/* ==========================================================================
   Hotel Management System — Professional Blue Dashboard Design System
   Version 1.0.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Primary Palette */
    --color-primary: #1565C0;
    --color-primary-light: #42A5F5;
    --color-primary-dark: #0D47A1;
    --color-primary-50: #E3F2FD;
    --color-primary-100: #BBDEFB;
    --color-primary-200: #90CAF9;

    /* Navy / Sidebar */
    --color-navy: #1A237E;
    --color-navy-dark: #0D1642;
    --color-navy-light: #283593;
    --color-sidebar-gradient-start: #1A237E;
    --color-sidebar-gradient-end: #0D47A1;

    /* Semantic Colors */
    --color-success: #2E7D32;
    --color-success-light: #4CAF50;
    --color-success-bg: #E8F5E9;
    --color-success-border: #A5D6A7;

    --color-danger: #C62828;
    --color-danger-light: #EF5350;
    --color-danger-bg: #FFEBEE;
    --color-danger-border: #EF9A9A;

    --color-warning: #F57F17;
    --color-warning-light: #FFB300;
    --color-warning-bg: #FFF8E1;
    --color-warning-border: #FFE082;

    --color-info: #0277BD;
    --color-info-light: #29B6F6;
    --color-info-bg: #E1F5FE;
    --color-info-border: #81D4FA;

    /* Neutrals */
    --color-body-bg: #F0F4F8;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F8FAFC;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;
    --color-divider: #CBD5E1;

    /* Text */
    --color-text-primary: #1E293B;
    --color-text-secondary: #64748B;
    --color-text-muted: #94A3B8;
    --color-text-inverse: #FFFFFF;
    --color-text-link: #1565C0;

    /* Layout Dimensions */
    --sidebar-width: 260px;
    --navbar-height: 64px;
    --content-padding: 24px;
    --border-radius-sm: 6px;
    --border-radius: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-sidebar: 4px 0 24px rgba(26, 35, 126, 0.15);

    /* Typography */
    --font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-Index Scale */
    --z-sidebar: 1040;
    --z-navbar: 1030;
    --z-overlay: 1025;
    --z-dropdown: 1050;
    --z-modal: 1060;
    --z-toast: 1070;
    --z-loading: 1080;

    /* Stat Card Gradients */
    --gradient-stat-1: linear-gradient(135deg, #1565C0 0%, #42A5F5 100%);
    --gradient-stat-2: linear-gradient(135deg, #2E7D32 0%, #66BB6A 100%);
    --gradient-stat-3: linear-gradient(135deg, #F57F17 0%, #FFB300 100%);
    --gradient-stat-4: linear-gradient(135deg, #6A1B9A 0%, #AB47BC 100%);
    --gradient-stat-5: linear-gradient(135deg, #C62828 0%, #EF5350 100%);
    --gradient-stat-6: linear-gradient(135deg, #00838F 0%, #26C6DA 100%);

    /* Button Gradients */
    --gradient-btn-primary: linear-gradient(135deg, #1565C0 0%, #1976D2 50%, #0D47A1 100%);
    --gradient-btn-success: linear-gradient(135deg, #2E7D32 0%, #43A047 50%, #1B5E20 100%);
    --gradient-btn-danger: linear-gradient(135deg, #C62828 0%, #E53935 50%, #B71C1C 100%);
    --gradient-btn-warning: linear-gradient(135deg, #F57F17 0%, #FFA000 50%, #E65100 100%);
}

/* --------------------------------------------------------------------------
   2. Base Reset & Typography
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-body-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.sidebar-open {
    overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5em;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-md); }
h6 { font-size: var(--font-size-base); }

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

a {
    color: var(--color-text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* --------------------------------------------------------------------------
   3. Custom Scrollbar
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--color-divider);
    border-radius: 4px;
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.35);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-divider) var(--color-border-light);
}

/* --------------------------------------------------------------------------
   4. App Layout Shell
   -------------------------------------------------------------------------- */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-base);
}

.app-content {
    flex: 1;
    padding: var(--content-padding);
    padding-top: calc(var(--navbar-height) + var(--content-padding));
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.page-header__title {
    margin: 0;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.page-header__subtitle {
    margin: 4px 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.page-header__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    font-size: var(--font-size-sm);
}

.breadcrumb-nav__item {
    display: flex;
    align-items: center;
    color: var(--color-text-muted);
}

.breadcrumb-nav__item:not(:last-child)::after {
    content: '/';
    margin: 0 8px;
    color: var(--color-divider);
}

.breadcrumb-nav__item a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.breadcrumb-nav__item a:hover {
    color: var(--color-primary);
}

.breadcrumb-nav__item.active {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

/* --------------------------------------------------------------------------
   5. Sidebar
   -------------------------------------------------------------------------- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--color-sidebar-gradient-start) 0%, var(--color-sidebar-gradient-end) 100%);
    box-shadow: var(--shadow-sidebar);
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base);
    overflow: hidden;
}

.sidebar__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.sidebar__brand-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--color-text-inverse);
}

.sidebar__brand-text {
    flex: 1;
    min-width: 0;
}

.sidebar__brand-name {
    display: block;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-inverse);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.sidebar__brand-tagline {
    display: block;
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px 0;
}

.sidebar-nav__section {
    padding: 8px 16px 4px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.4);
}

.sidebar-nav__list {
    list-style: none;
    padding: 0;
    margin: 0 8px;
}

.sidebar-nav__item {
    margin-bottom: 2px;
}

.sidebar-nav__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--border-radius-sm);
    color: rgba(255, 255, 255, 0.75);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}

.sidebar-nav__link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-inverse);
    text-decoration: none;
}

.sidebar-nav__link.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text-inverse);
    box-shadow: inset 3px 0 0 var(--color-primary-light);
}

.sidebar-nav__link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--color-primary-light);
    border-radius: 0 2px 2px 0;
}

.sidebar-nav__icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    opacity: 0.85;
}

.sidebar-nav__link.active .sidebar-nav__icon,
.sidebar-nav__link:hover .sidebar-nav__icon {
    opacity: 1;
}

.sidebar-nav__text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav__badge {
    background: var(--color-danger-light);
    color: var(--color-text-inverse);
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    line-height: 1.4;
}

.sidebar-nav__arrow {
    font-size: 10px;
    transition: transform var(--transition-fast);
    opacity: 0.6;
}

.sidebar-nav__item.open > .sidebar-nav__link .sidebar-nav__arrow {
    transform: rotate(90deg);
}

.sidebar-nav__submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.sidebar-nav__item.open > .sidebar-nav__submenu {
    max-height: 500px;
}

.sidebar-nav__submenu .sidebar-nav__link {
    padding-left: 44px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-normal);
}

.sidebar__footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.sidebar__user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar__user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    flex-shrink: 0;
}

.sidebar__user-info {
    flex: 1;
    min-width: 0;
}

.sidebar__user-name {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-inverse);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar__user-role {
    display: block;
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
}

/* Sidebar Overlay (Mobile) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: var(--z-overlay);
    opacity: 0;
    transition: opacity var(--transition-base);
    backdrop-filter: blur(2px);
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* --------------------------------------------------------------------------
   6. Navbar
   -------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: var(--sidebar-width);
    height: var(--navbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-xs);
    z-index: var(--z-navbar);
    display: flex;
    align-items: center;
    padding: 0 var(--content-padding);
    transition: left var(--transition-base);
}

.navbar__toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-right: 12px;
}

.navbar__toggle:hover {
    background: var(--color-border-light);
    color: var(--color-text-primary);
}

.navbar__search {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.navbar__search-input {
    width: 100%;
    height: 38px;
    padding: 0 16px 0 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-body-bg);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.navbar__search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-surface);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.15);
}

.navbar__search-input::placeholder {
    color: var(--color-text-muted);
}

.navbar__search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 14px;
    pointer-events: none;
}

.navbar__actions {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.navbar__action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.navbar__action-btn:hover {
    background: var(--color-border-light);
    color: var(--color-text-primary);
}

.navbar__action-btn .badge-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-danger);
    border-radius: 50%;
    border: 2px solid var(--color-surface);
}

.navbar__divider {
    width: 1px;
    height: 28px;
    background: var(--color-border);
    margin: 0 8px;
}

.navbar__profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 8px 4px 4px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background var(--transition-fast);
    border: none;
    background: transparent;
}

.navbar__profile:hover {
    background: var(--color-border-light);
}

.navbar__profile-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--gradient-stat-1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.navbar__profile-info {
    text-align: left;
}

.navbar__profile-name {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    line-height: 1.3;
}

.navbar__profile-role {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   7. Cards
   -------------------------------------------------------------------------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-surface);
}

.card__title {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.card__subtitle {
    margin: 2px 0 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.card__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.card__body {
    padding: 20px;
}

.card__body--compact {
    padding: 16px;
}

.card__body--flush {
    padding: 0;
}

.card__footer {
    padding: 12px 20px;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-surface-hover);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

/* Stat Cards */
.stat-card {
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--color-text-inverse);
    margin-bottom: 16px;
}

.stat-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 4px;
    font-weight: var(--font-weight-medium);
}

.stat-card__value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-card__change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    padding: 2px 8px;
    border-radius: 12px;
}

.stat-card__change--up {
    color: var(--color-success);
    background: var(--color-success-bg);
}

.stat-card__change--down {
    color: var(--color-danger);
    background: var(--color-danger-bg);
}

.stat-card__change--neutral {
    color: var(--color-text-muted);
    background: var(--color-border-light);
}

/* Stat Card Gradient Variants */
.stat-card--gradient-1 .stat-card__icon { background: var(--gradient-stat-1); }
.stat-card--gradient-2 .stat-card__icon { background: var(--gradient-stat-2); }
.stat-card--gradient-3 .stat-card__icon { background: var(--gradient-stat-3); }
.stat-card--gradient-4 .stat-card__icon { background: var(--gradient-stat-4); }
.stat-card--gradient-5 .stat-card__icon { background: var(--gradient-stat-5); }
.stat-card--gradient-6 .stat-card__icon { background: var(--gradient-stat-6); }

.stat-card--gradient-1::after,
.stat-card--gradient-2::after,
.stat-card--gradient-3::after,
.stat-card--gradient-4::after,
.stat-card--gradient-5::after,
.stat-card--gradient-6::after {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.06;
}

.stat-card--gradient-1::after { background: #1565C0; }
.stat-card--gradient-2::after { background: #2E7D32; }
.stat-card--gradient-3::after { background: #F57F17; }
.stat-card--gradient-4::after { background: #6A1B9A; }
.stat-card--gradient-5::after { background: #C62828; }
.stat-card--gradient-6::after { background: #00838F; }

/* Full gradient stat cards */
.stat-card--full-gradient {
    color: var(--color-text-inverse);
    border: none;
}

.stat-card--full-gradient .stat-card__label {
    color: rgba(255, 255, 255, 0.8);
}

.stat-card--full-gradient .stat-card__value {
    color: var(--color-text-inverse);
}

.stat-card--full-gradient .stat-card__icon {
    background: rgba(255, 255, 255, 0.2);
}

.stat-card--full-gradient.stat-card--gradient-1 { background: var(--gradient-stat-1); }
.stat-card--full-gradient.stat-card--gradient-2 { background: var(--gradient-stat-2); }
.stat-card--full-gradient.stat-card--gradient-3 { background: var(--gradient-stat-3); }
.stat-card--full-gradient.stat-card--gradient-4 { background: var(--gradient-stat-4); }
.stat-card--full-gradient.stat-card--gradient-5 { background: var(--gradient-stat-5); }
.stat-card--full-gradient.stat-card--gradient-6 { background: var(--gradient-stat-6); }

/* --------------------------------------------------------------------------
   8. Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.25);
}

.btn:disabled,
.btn.disabled {
    opacity: 0.55;
    pointer-events: none;
    cursor: not-allowed;
}

.btn-sm {
    padding: 5px 12px;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 12px 24px;
    font-size: var(--font-size-md);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

.btn-icon.btn-sm {
    width: 30px;
    height: 30px;
}

.btn-icon.btn-lg {
    width: 44px;
    height: 44px;
}

/* Primary Gradient Button */
.btn-primary {
    background: var(--gradient-btn-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary-dark);
    box-shadow: 0 2px 4px rgba(var(--color-primary-rgb), 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse);
    box-shadow: 0 4px 8px rgba(var(--color-primary-rgb), 0.35);
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(var(--color-primary-rgb), 0.3);
}

/* Success Gradient Button */
.btn-success {
    background: var(--gradient-btn-success);
    color: var(--color-text-inverse);
    border-color: #1B5E20;
    box-shadow: 0 2px 4px rgba(46, 125, 50, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #43A047 0%, #388E3C 50%, #1B5E20 100%);
    color: var(--color-text-inverse);
    box-shadow: 0 4px 8px rgba(46, 125, 50, 0.35);
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-success:active {
    transform: translateY(0);
}

/* Danger Gradient Button */
.btn-danger {
    background: var(--gradient-btn-danger);
    color: var(--color-text-inverse);
    border-color: #B71C1C;
    box-shadow: 0 2px 4px rgba(198, 40, 40, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #E53935 0%, #D32F2F 50%, #B71C1C 100%);
    color: var(--color-text-inverse);
    box-shadow: 0 4px 8px rgba(198, 40, 40, 0.35);
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-danger:active {
    transform: translateY(0);
}

/* Warning Gradient Button */
.btn-warning {
    background: var(--gradient-btn-warning);
    color: var(--color-text-inverse);
    border-color: #E65100;
    box-shadow: 0 2px 4px rgba(245, 127, 23, 0.3);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #FFA000 0%, #FF8F00 50%, #E65100 100%);
    color: var(--color-text-inverse);
    box-shadow: 0 4px 8px rgba(245, 127, 23, 0.35);
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-warning:active {
    transform: translateY(0);
}

/* Secondary / Outline Buttons */
.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-border-light);
    color: var(--color-text-primary);
    border-color: var(--color-divider);
    text-decoration: none;
}

.btn-outline-primary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background: var(--color-primary-50);
    color: var(--color-primary-dark);
    text-decoration: none;
}

.btn-outline-danger {
    background: transparent;
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.btn-outline-danger:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    text-decoration: none;
}

.btn-link {
    background: transparent;
    color: var(--color-primary);
    border: none;
    box-shadow: none;
    padding: 4px 8px;
}

.btn-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
    background: transparent;
}

.btn-group {
    display: inline-flex;
    gap: 0;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.btn-group .btn:not(:last-child) {
    border-right: none;
}

/* --------------------------------------------------------------------------
   9. Form Elements
   -------------------------------------------------------------------------- */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-control,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: 9px 14px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    line-height: 1.5;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    background-clip: padding-box;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.15);
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

.form-control:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--color-border-light);
    opacity: 0.7;
    cursor: not-allowed;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.15);
}

.form-control.is-valid,
.form-select.is-valid {
    border-color: var(--color-success);
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}

.form-text {
    display: block;
    margin-top: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.form-error {
    display: block;
    margin-top: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-danger);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.form-row > .form-group {
    flex: 1;
    min-width: 200px;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    flex: 1;
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.input-group .form-control:last-child {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0 14px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    background: var(--color-border-light);
    border: 1px solid var(--color-border);
    white-space: nowrap;
}

.input-group-text:first-child {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    border-right: none;
}

.input-group-text:last-child {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    border-left: none;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    cursor: pointer;
}

.form-switch .form-check-input {
    width: 36px;
    height: 20px;
    border-radius: 10px;
}

/* Select2 Bootstrap 5 Theme Overrides */
.select2-container--bootstrap-5 .select2-selection {
    border-color: var(--color-border) !important;
    border-radius: var(--border-radius-sm) !important;
    min-height: 38px !important;
    font-size: var(--font-size-sm) !important;
}

.select2-container--bootstrap-5.select2-container--focus .select2-selection,
.select2-container--bootstrap-5.select2-container--open .select2-selection {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.15) !important;
}

.select2-container--bootstrap-5 .select2-dropdown {
    border-color: var(--color-border) !important;
    border-radius: var(--border-radius-sm) !important;
    box-shadow: var(--shadow-lg) !important;
}

.select2-container--bootstrap-5 .select2-results__option--highlighted {
    background-color: var(--color-primary-50) !important;
    color: var(--color-primary-dark) !important;
}

.select2-container--bootstrap-5 .select2-results__option--selected {
    background-color: var(--color-primary) !important;
    color: var(--color-text-inverse) !important;
}

/* --------------------------------------------------------------------------
   10. Badges
   -------------------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    border-radius: 50px;
    white-space: nowrap;
}

.badge-primary {
    background: var(--color-primary-50);
    color: var(--color-primary-dark);
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.badge-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.badge-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge-info {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.badge-secondary {
    background: var(--color-border-light);
    color: var(--color-text-secondary);
}

.badge-dark {
    background: var(--color-text-primary);
    color: var(--color-text-inverse);
}

.badge-outline-primary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary-200);
}

.badge-outline-success {
    background: transparent;
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.badge-outline-danger {
    background: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}

.badge-dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border-radius: 50%;
}

/* Room Status Badges */
.badge-vacant { background: var(--color-success-bg); color: var(--color-success); }
.badge-occupied { background: var(--color-primary-50); color: var(--color-primary-dark); }
.badge-dirty { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-clean { background: var(--color-info-bg); color: var(--color-info); }
.badge-inspected { background: #F3E5F5; color: #7B1FA2; }
.badge-out-of-order { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-out-of-service { background: var(--color-border-light); color: var(--color-text-muted); }

/* --------------------------------------------------------------------------
   11. Alerts
   -------------------------------------------------------------------------- */
.alert {
    position: relative;
    padding: 14px 18px;
    padding-right: 44px;
    margin-bottom: 16px;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    animation: fadeIn 0.3s ease;
}

.alert__title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: 4px;
}

.alert__close {
    position: absolute;
    top: 50%;
    right: 14px;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    font-size: 18px;
    line-height: 1;
    color: inherit;
    opacity: 0.5;
    cursor: pointer;
    padding: 4px;
    transition: opacity var(--transition-fast);
}

.alert__close:hover {
    opacity: 1;
}

.alert-primary {
    background: var(--color-primary-50);
    border-color: var(--color-primary-100);
    color: var(--color-primary-dark);
}

.alert-success {
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
    color: #1B5E20;
}

.alert-danger {
    background: var(--color-danger-bg);
    border-color: var(--color-danger-border);
    color: #B71C1C;
}

.alert-warning {
    background: var(--color-warning-bg);
    border-color: var(--color-warning-border);
    color: #E65100;
}

.alert-info {
    background: var(--color-info-bg);
    border-color: var(--color-info-border);
    color: #01579B;
}

/* --------------------------------------------------------------------------
   12. Modals
   -------------------------------------------------------------------------- */

/* Bootstrap 5: hidden modals must not cover the page */
.modal.fade:not(.show) {
    display: none !important;
    pointer-events: none;
    visibility: hidden;
}

/* Backdrop must stay BELOW .modal — do not raise z-index above Bootstrap modal */
.modal-backdrop {
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(2px);
}

.modal-backdrop.show {
    z-index: var(--z-modal);
}

.modal.show {
    z-index: calc(var(--z-modal) + 5);
    pointer-events: auto;
}

.modal.show .modal-dialog {
    pointer-events: auto;
}

/* Custom modal shell (BEM) — use .app-modal, not .modal, to avoid Bootstrap conflicts */
.app-modal {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-modal) + 1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    overflow-y: auto;
}

.app-modal__dialog {
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    animation: slideUp 0.3s ease;
    overflow: hidden;
}

.app-modal__dialog--sm { max-width: 400px; }
.app-modal__dialog--lg { max-width: 800px; }
.app-modal__dialog--xl { max-width: 1140px; }

.app-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--color-border-light);
}

.app-modal__title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.app-modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 20px;
}

.app-modal__close:hover {
    background: var(--color-border-light);
    color: var(--color-text-primary);
}

.app-modal__body {
    padding: 24px;
}

.app-modal__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 24px;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-surface-hover);
}

/* Bootstrap Modal Overrides */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg) !important;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid var(--color-border-light);
    padding: 18px 24px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--color-border-light);
    background: var(--color-surface-hover);
    padding: 16px 24px;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

/* --------------------------------------------------------------------------
   13. DataTables Styling
   -------------------------------------------------------------------------- */
.datatable-wrapper {
    overflow-x: auto;
}

table.datatable,
table.dataTable {
    width: 100% !important;
    border-collapse: separate;
    border-spacing: 0;
    font-size: var(--font-size-sm);
}

table.datatable thead th,
table.dataTable thead th {
    background: var(--color-primary-50) !important;
    color: var(--color-primary-dark) !important;
    font-weight: var(--font-weight-semibold) !important;
    font-size: var(--font-size-xs) !important;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 12px 16px !important;
    border-bottom: 2px solid var(--color-primary-100) !important;
    white-space: nowrap;
    vertical-align: middle;
}

table.datatable thead th:first-child,
table.dataTable thead th:first-child {
    border-radius: var(--border-radius-sm) 0 0 0;
}

table.datatable thead th:last-child,
table.dataTable thead th:last-child {
    border-radius: 0 var(--border-radius-sm) 0 0;
}

table.datatable tbody td,
table.dataTable tbody td {
    padding: 12px 16px !important;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-border-light) !important;
    color: var(--color-text-primary);
}

table.datatable tbody tr,
table.dataTable tbody tr {
    transition: background var(--transition-fast);
}

table.datatable tbody tr:nth-child(even),
table.dataTable tbody tr:nth-child(even),
table.datatable.stripe tbody tr:nth-child(even),
table.dataTable.stripe tbody tr:nth-child(even) {
    background-color: var(--color-surface-hover) !important;
}

table.datatable tbody tr:hover,
table.dataTable tbody tr:hover {
    background-color: var(--color-primary-50) !important;
}

table.datatable tbody tr:last-child td:first-child,
table.dataTable tbody tr:last-child td:first-child {
    border-radius: 0 0 0 var(--border-radius-sm);
}

table.datatable tbody tr:last-child td:last-child,
table.dataTable tbody tr:last-child td:last-child {
    border-radius: 0 0 var(--border-radius-sm) 0;
}

/* DataTables Controls */
.dataTables_wrapper {
    font-size: var(--font-size-sm);
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    padding: 12px 0;
    color: var(--color-text-secondary);
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    margin: 0 6px;
    background: var(--color-surface);
}

.dataTables_wrapper .dataTables_filter input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.15);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 6px 12px !important;
    margin: 0 2px !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--border-radius-sm) !important;
    background: var(--color-surface) !important;
    color: var(--color-text-secondary) !important;
    font-size: var(--font-size-sm) !important;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--color-primary-50) !important;
    border-color: var(--color-primary-200) !important;
    color: var(--color-primary-dark) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: var(--color-text-inverse) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--color-surface) !important;
    color: var(--color-text-muted) !important;
}

.dataTables_wrapper .dataTables_processing {
    background: rgba(255, 255, 255, 0.9) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-md) !important;
    color: var(--color-primary) !important;
    font-weight: var(--font-weight-medium);
}

/* Sorting Icons */
table.dataTable thead .sorting::after,
table.dataTable thead .sorting_asc::after,
table.dataTable thead .sorting_desc::after {
    opacity: 0.4;
}

table.dataTable thead .sorting_asc::after,
table.dataTable thead .sorting_desc::after {
    opacity: 1;
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   14. POS Grid Layout
   -------------------------------------------------------------------------- */
.pos-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 20px;
    height: calc(100vh - var(--navbar-height) - 48px);
    min-height: 500px;
}

.pos-menu {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pos-menu__categories {
    display: flex;
    gap: 8px;
    padding-bottom: 16px;
    overflow-x: auto;
    flex-shrink: 0;
}

.pos-menu__category {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    background: var(--color-surface);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.pos-menu__category:hover {
    border-color: var(--color-primary-200);
    color: var(--color-primary);
}

.pos-menu__category.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.pos-menu__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    overflow-y: auto;
    flex: 1;
    padding-right: 4px;
}

.pos-menu__item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.pos-menu__item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.pos-menu__item-image {
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius);
    background: var(--color-border-light);
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.pos-menu__item-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: 4px;
    line-height: 1.3;
}

.pos-menu__item-price {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.pos-cart {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.pos-cart__header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-primary-50);
}

.pos-cart__title {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-dark);
}

.pos-cart__items {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.pos-cart__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 8px;
    background: var(--color-surface-hover);
}

.pos-cart__item-info {
    flex: 1;
    min-width: 0;
}

.pos-cart__item-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.pos-cart__item-price {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.pos-cart__item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pos-cart__qty-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.pos-cart__qty-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pos-cart__qty-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    min-width: 20px;
    text-align: center;
}

.pos-cart__item-total {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    min-width: 80px;
    text-align: right;
}

.pos-cart__summary {
    padding: 16px 20px;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-surface-hover);
}

.pos-cart__summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.pos-cart__summary-row--total {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
    margin-top: 8px;
    margin-bottom: 16px;
}

.pos-cart__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

/* --------------------------------------------------------------------------
   15. Tables (General)
   -------------------------------------------------------------------------- */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-border-light);
}

.table th {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: var(--color-surface-hover);
}

.table tbody tr:hover {
    background: var(--color-primary-50);
}

.table--bordered th,
.table--bordered td {
    border: 1px solid var(--color-border-light);
}

.table--compact th,
.table--compact td {
    padding: 8px 12px;
}

.table__actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* --------------------------------------------------------------------------
   16. Utility Classes
   -------------------------------------------------------------------------- */
.text-primary { color: var(--color-primary) !important; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-info { color: var(--color-info) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.text-secondary { color: var(--color-text-secondary) !important; }

.bg-primary { background-color: var(--color-primary) !important; }
.bg-success { background-color: var(--color-success-bg) !important; }
.bg-danger { background-color: var(--color-danger-bg) !important; }
.bg-warning { background-color: var(--color-warning-bg) !important; }
.bg-surface { background-color: var(--color-surface) !important; }

.fw-normal { font-weight: var(--font-weight-normal) !important; }
.fw-medium { font-weight: var(--font-weight-medium) !important; }
.fw-semibold { font-weight: var(--font-weight-semibold) !important; }
.fw-bold { font-weight: var(--font-weight-bold) !important; }

.text-xs { font-size: var(--font-size-xs) !important; }
.text-sm { font-size: var(--font-size-sm) !important; }
.text-base { font-size: var(--font-size-base) !important; }
.text-lg { font-size: var(--font-size-lg) !important; }
.text-xl { font-size: var(--font-size-xl) !important; }

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-left { text-align: left !important; }

.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-block { display: block !important; }
.d-none { display: none !important; }
.d-grid { display: grid !important; }

.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.align-items-center { align-items: center !important; }
.align-items-start { align-items: flex-start !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-end { justify-content: flex-end !important; }
.flex-1 { flex: 1 !important; }
.gap-1 { gap: 4px !important; }
.gap-2 { gap: 8px !important; }
.gap-3 { gap: 16px !important; }
.gap-4 { gap: 24px !important; }

.m-0 { margin: 0 !important; }
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 16px !important; }
.mt-4 { margin-top: 24px !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 16px !important; }
.mb-4 { margin-bottom: 24px !important; }
.ms-auto { margin-left: auto !important; }
.me-auto { margin-right: auto !important; }

.p-0 { padding: 0 !important; }
.p-2 { padding: 8px !important; }
.p-3 { padding: 16px !important; }
.p-4 { padding: 24px !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.rounded { border-radius: var(--border-radius) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }

.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }

.position-relative { position: relative !important; }

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Grid gap utilities */
.grid-gap-2 { gap: 8px; }
.grid-gap-3 { gap: 16px; }
.grid-gap-4 { gap: 24px; }

/* --------------------------------------------------------------------------
   17. Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease forwards;
}

.animate-slideUp {
    animation: slideUp 0.3s ease forwards;
}

.animate-slideDown {
    animation: slideDown 0.3s ease forwards;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.75);
    z-index: var(--z-loading);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
    backdrop-filter: blur(2px);
    animation: fadeIn 0.2s ease;
}

.loading-overlay__spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay__text {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.loading-inline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.loading-inline__spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--color-border-light) 25%, var(--color-border) 50%, var(--color-border-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--border-radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
}

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.skeleton-card {
    height: 120px;
}

/* --------------------------------------------------------------------------
   18. Toast Notifications
   -------------------------------------------------------------------------- */
.toast-container {
    position: fixed;
    top: calc(var(--navbar-height) + 16px);
    right: 16px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 380px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: slideDown 0.3s ease;
    min-width: 280px;
}

.toast--success {
    border-left: 4px solid var(--color-success);
}

.toast--error {
    border-left: 4px solid var(--color-danger);
}

.toast--warning {
    border-left: 4px solid var(--color-warning);
}

.toast--info {
    border-left: 4px solid var(--color-info);
}

.toast__icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.toast--success .toast__icon { color: var(--color-success); }
.toast--error .toast__icon { color: var(--color-danger); }
.toast--warning .toast__icon { color: var(--color-warning); }
.toast--info .toast__icon { color: var(--color-info); }

.toast__content {
    flex: 1;
    min-width: 0;
}

.toast__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.toast__message {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.toast__close {
    flex-shrink: 0;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 2px;
    font-size: 16px;
    line-height: 1;
    transition: color var(--transition-fast);
}

.toast__close:hover {
    color: var(--color-text-primary);
}

.toast.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(20px); }
}

/* --------------------------------------------------------------------------
   19. Dropdown
   -------------------------------------------------------------------------- */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown__menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 6px 0;
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown__menu,
.dropdown__menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: background var(--transition-fast);
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}

.dropdown__item:hover {
    background: var(--color-border-light);
    text-decoration: none;
    color: var(--color-text-primary);
}

.dropdown__item--danger {
    color: var(--color-danger);
}

.dropdown__item--danger:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.dropdown__divider {
    height: 1px;
    background: var(--color-border-light);
    margin: 6px 0;
}

/* --------------------------------------------------------------------------
   20. Tabs
   -------------------------------------------------------------------------- */
.tabs {
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 20px;
}

.tabs__list {
    display: flex;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-x: auto;
}

.tabs__item {
    flex-shrink: 0;
}

.tabs__link {
    display: block;
    padding: 12px 20px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    margin-bottom: -1px;
}

.tabs__link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.tabs__link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   21. Empty State
   -------------------------------------------------------------------------- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
}

.empty-state__icon {
    font-size: 48px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.empty-state__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

/* --------------------------------------------------------------------------
   22. Room Status Board
   -------------------------------------------------------------------------- */
.room-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}

.room-card {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 12px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.room-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.room-card__number {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.room-card__type {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.room-card--vacant { border-color: var(--color-success); background: var(--color-success-bg); }
.room-card--occupied { border-color: var(--color-primary); background: var(--color-primary-50); }
.room-card--dirty { border-color: var(--color-warning); background: var(--color-warning-bg); }
.room-card--clean { border-color: var(--color-info); background: var(--color-info-bg); }
.room-card--inspected { border-color: #AB47BC; background: #F3E5F5; }
.room-card--out-of-order { border-color: var(--color-danger); background: var(--color-danger-bg); }
.room-card--out-of-service { border-color: var(--color-divider); background: var(--color-border-light); opacity: 0.7; }

/* --------------------------------------------------------------------------
   23. App Footer
   -------------------------------------------------------------------------- */
.app-footer {
    padding: 16px var(--content-padding);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    flex-shrink: 0;
}

.app-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.app-footer__version {
    font-weight: var(--font-weight-medium);
}

/* Bootstrap collapse integration for sidebar submenus */
.sidebar-nav__submenu.collapse:not(.show) {
    display: none;
    max-height: none;
}

.sidebar-nav__submenu.collapse.show {
    display: block;
    max-height: none;
    overflow: visible;
}

.sidebar-nav__item:has(.sidebar-nav__submenu.show) > .sidebar-nav__link .sidebar-nav__arrow,
.sidebar-nav__item.open > .sidebar-nav__link .sidebar-nav__arrow {
    transform: rotate(90deg);
}

/* --------------------------------------------------------------------------
   24. Auth Layout
   -------------------------------------------------------------------------- */
.auth-body {
    margin: 0;
    min-height: 100vh;
}

.auth-layout {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(135deg, var(--color-sidebar-gradient-start) 0%, var(--color-primary) 45%, var(--color-sidebar-gradient-end) 100%);
    overflow: hidden;
}

.auth-layout__background {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.auth-layout__shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}

.auth-layout__shape--1 {
    width: 480px;
    height: 480px;
    top: -120px;
    right: -80px;
}

.auth-layout__shape--2 {
    width: 320px;
    height: 320px;
    bottom: -60px;
    left: -40px;
}

.auth-layout__shape--3 {
    width: 200px;
    height: 200px;
    top: 40%;
    left: 15%;
    background: rgba(255, 255, 255, 0.04);
}

.auth-layout__content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: var(--color-surface);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: slideUp 0.4s ease;
}

.auth-card__header {
    text-align: center;
    padding: 32px 32px 0;
}

.auth-card__logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: var(--border-radius-lg);
    background: var(--gradient-stat-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-md);
}

.auth-card__title {
    margin: 0 0 4px;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.auth-card__subtitle {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.auth-card__body {
    padding: 28px 32px 24px;
}

.auth-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 32px;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-surface-hover);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.auth-card__version {
    font-weight: var(--font-weight-medium);
}

.auth-form__title {
    margin: 0 0 4px;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.auth-form__desc {
    margin: 0 0 24px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.auth-demo-hint {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding: 14px 16px;
    background: var(--color-primary-50);
    border: 1px solid var(--color-primary-100);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    color: var(--color-primary-dark);
}

.auth-demo-hint__icon {
    flex-shrink: 0;
    font-size: 18px;
    color: var(--color-primary);
    margin-top: 2px;
}

.auth-demo-hint__content strong {
    display: block;
    margin-bottom: 4px;
    font-size: var(--font-size-sm);
}

.auth-demo-hint code {
    background: rgba(255, 255, 255, 0.7);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------------
   25. Responsive Breakpoints
   -------------------------------------------------------------------------- */

/* Tablet and below (max 991px) */
@media (max-width: 991px) {
    :root {
        --content-padding: 16px;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .app-main {
        margin-left: 0;
    }

    .navbar {
        left: 0;
    }

    .navbar__toggle {
        display: flex;
    }

    .navbar__search {
        display: none;
    }

    .navbar__profile-info {
        display: none;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .stat-card__value {
        font-size: var(--font-size-xl);
    }

    .pos-layout {
        grid-template-columns: 1fr;
        height: auto;
    }

    .pos-cart {
        max-height: 400px;
    }

    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row > .form-group {
        min-width: 100%;
    }

    .app-modal__dialog--lg,
    .app-modal__dialog--xl {
        max-width: 100%;
    }

    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter {
        text-align: left;
        margin-bottom: 8px;
    }

    .room-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* Mobile (max 575px) */
@media (max-width: 575px) {
    :root {
        --content-padding: 12px;
        --navbar-height: 56px;
    }

    .app-content {
        padding-top: calc(var(--navbar-height) + 12px);
    }

    .page-header__title {
        font-size: var(--font-size-xl);
    }

    .card__body {
        padding: 16px;
    }

    .card__header {
        padding: 12px 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-card__value {
        font-size: var(--font-size-lg);
    }

    .stat-card__icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
        margin-bottom: 12px;
    }

    .btn {
        padding: 7px 14px;
    }

    .btn-lg {
        padding: 10px 20px;
        font-size: var(--font-size-sm);
    }

    .pos-menu__grid {
        grid-template-columns: 1fr;
    }

    .pos-cart__actions {
        grid-template-columns: 1fr;
    }

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }

    .app-modal__body {
        padding: 16px;
    }

    .app-modal__header,
    .app-modal__footer {
        padding: 12px 16px;
    }

    .toast-container {
        left: 12px;
        right: 12px;
        max-width: none;
    }

    .toast {
        min-width: auto;
    }

    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .room-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 8px;
    }

    .room-card {
        padding: 8px;
    }

    .room-card__number {
        font-size: var(--font-size-md);
    }

    .navbar__action-btn {
        width: 36px;
        height: 36px;
    }

    .dataTables_wrapper .dataTables_paginate .paginate_button {
        padding: 4px 8px !important;
        font-size: var(--font-size-xs) !important;
    }
}

/* --------------------------------------------------------------------------
   26. Print Styles
   -------------------------------------------------------------------------- */
@media print {
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    body {
        background: #fff !important;
        font-size: 12pt;
        line-height: 1.4;
    }

    .sidebar,
    .navbar,
    .sidebar-overlay,
    .btn,
    .navbar__actions,
    .page-header__actions,
    .card__actions,
    .table__actions,
    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter,
    .dataTables_wrapper .dataTables_paginate,
    .dataTables_wrapper .dataTables_info,
    .toast-container,
    .loading-overlay,
    .no-print {
        display: none !important;
    }

    .app-main {
        margin-left: 0 !important;
    }

    .app-content {
        padding: 0 !important;
        padding-top: 0 !important;
    }

    .card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .card__header {
        border-bottom: 1px solid #ddd !important;
    }

    table,
    table.datatable,
    table.dataTable {
        border-collapse: collapse !important;
        width: 100% !important;
    }

    table thead th,
    table.datatable thead th,
    table.dataTable thead th {
        background: #f0f0f0 !important;
        color: #000 !important;
        border: 1px solid #ddd !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    table tbody td,
    table.datatable tbody td,
    table.dataTable tbody td {
        border: 1px solid #ddd !important;
        padding: 6px 8px !important;
    }

    table tbody tr:nth-child(even),
    table.datatable tbody tr:nth-child(even),
    table.dataTable tbody tr:nth-child(even) {
        background: #f9f9f9 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }

    a[href^="#"]::after,
    a[href^="javascript"]::after {
        content: "";
    }

    .page-header {
        margin-bottom: 16px;
    }

    .page-header__title {
        font-size: 18pt;
    }

    .badge {
        border: 1px solid #999 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    @page {
        margin: 1.5cm;
        size: A4;
    }

    h1, h2, h3 {
        break-after: avoid;
        page-break-after: avoid;
    }

    tr {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    img {
        max-width: 100% !important;
    }
}

/* --------------------------------------------------------------------------
   Detail Card & Row Components
   -------------------------------------------------------------------------- */
.detail-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-hover);
}

.detail-card__title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.detail-card__title i {
    color: var(--color-primary);
}

.detail-card__actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.detail-card__body {
    padding: 20px;
}

.detail-row__label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.detail-row__value {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

/* --------------------------------------------------------------------------
   Form Card Component
   -------------------------------------------------------------------------- */
.form-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-surface) 100%);
}

.form-card__title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.form-card__title i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
}

.form-card__subtitle {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.form-card__body {
    padding: 24px;
}

.form-card__footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface-hover);
}

.form-card__section {
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-border-light);
}

.form-card__section:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.form-card__section-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
}

/* === AdminLTE Enhancements === */

/* --- Filter Card --- */
.filter-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.filter-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse);
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast);
}

.filter-card__header:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.filter-card__header--static {
    cursor: default;
}

.filter-card__header--static:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.filter-card__title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.filter-card__title i {
    opacity: 0.9;
}

.filter-card__toggle {
    transition: transform var(--transition-base);
    opacity: 0.85;
}

.filter-card__header[aria-expanded="false"] .filter-card__toggle {
    transform: rotate(-90deg);
}

.filter-card__body {
    padding: 20px;
    background: var(--color-surface);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.filter-card__actions {
    display: flex;
    gap: 8px;
    padding-top: 4px;
}

/* --- Datagrid --- */
.datagrid {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.datagrid__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px 20px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
}

.datagrid__title {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.datagrid__toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.datagrid__body {
    padding: 0;
}

.datagrid__body .table-responsive {
    margin: 0;
}

.datagrid-table {
    margin-bottom: 0 !important;
    font-size: var(--font-size-sm);
}

.datagrid-table thead th {
    background: var(--color-primary-50);
    color: var(--color-primary-dark);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 12px 16px;
    border-bottom: 2px solid var(--color-primary-100);
    white-space: nowrap;
    vertical-align: middle;
}

.datagrid-table thead th:first-child {
    border-top-left-radius: 0;
}

.datagrid-table tbody td {
    padding: 10px 16px;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
}

.datagrid-table tbody tr:hover td {
    background: var(--color-primary-50);
}

.datagrid-table tbody tr:last-child td {
    border-bottom: none;
}

.datagrid .dataTables_wrapper {
    padding: 16px 20px;
}

.datagrid .dataTables_wrapper .dataTables_filter input {
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-border);
    padding: 6px 12px;
    font-size: var(--font-size-sm);
}

/* --- Detail Card & Row --- */
.detail-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.detail-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--color-surface-hover);
    border-bottom: 1px solid var(--color-border-light);
}

.detail-card__title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.detail-card__title i {
    color: var(--color-primary);
}

.detail-card__actions {
    display: flex;
    gap: 8px;
}

.detail-card__body {
    padding: 20px;
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row__label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.detail-row__value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

/* --- Print Layout --- */
.print-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 20px;
}

.print-header__brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.print-header__logo {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius);
    background: var(--color-primary-50);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.print-header__hotel {
    margin: 0 0 4px;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.print-header__doc {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.print-header__meta {
    text-align: right;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.print-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-surface-hover);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
}

.print-toolbar__left,
.print-toolbar__right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.print-doc {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    padding: 24px;
}

.print-divider {
    border: none;
    border-top: 2px solid var(--color-primary);
    margin: 16px 0 24px;
    opacity: 0.3;
}

/* --- Form Section & Form Card --- */
.form-section {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border-light);
}

.form-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.form-section__title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 16px;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-dark);
}

.form-section__title i {
    color: var(--color-primary);
    opacity: 0.85;
}

.form-section__subtitle {
    margin: -8px 0 16px;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.form-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    padding: 24px;
}

.form-card .form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form-card .form-control,
.form-card .form-select {
    border-radius: var(--border-radius-sm);
    border-color: var(--color-border);
    font-size: var(--font-size-sm);
}

.form-card .form-control:focus,
.form-card .form-select:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.12);
}

/* --- Button Action Group --- */
.btn-action-group {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.btn-action-group .btn {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

.btn-action-group .btn-action-view { color: var(--color-info); border-color: var(--color-info-border); }
.btn-action-group .btn-action-edit { color: var(--color-warning); border-color: var(--color-warning-border); }
.btn-action-group .btn-action-delete { color: var(--color-danger); border-color: var(--color-danger-border); }

.btn-action-group .btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-xs);
}

/* --- Nav Tabs (AdminLTE Pills) --- */
.nav-tabs {
    border-bottom: 2px solid var(--color-border-light);
    gap: 4px;
    padding-bottom: 0;
}

.nav-tabs .nav-link {
    border: none;
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
    padding: 10px 18px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    background: transparent;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-tabs .nav-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-50);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--color-primary);
    background: var(--color-surface);
    font-weight: var(--font-weight-semibold);
    border: 1px solid var(--color-border-light);
    border-bottom-color: var(--color-surface);
    margin-bottom: -2px;
}

.nav-tabs .nav-link.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    border-radius: 3px 3px 0 0;
}

.nav-tabs.nav-tabs-pills {
    border-bottom: none;
    background: var(--color-surface-hover);
    padding: 6px;
    border-radius: var(--border-radius);
    gap: 4px;
}

.nav-tabs.nav-tabs-pills .nav-link {
    border-radius: var(--border-radius-sm);
    margin-bottom: 0;
}

.nav-tabs.nav-tabs-pills .nav-link.active {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.nav-tabs.nav-tabs-pills .nav-link.active::after {
    display: none;
}

/* --- POS Layout Enhancements --- */
.pos-layout .pos-menu__item {
    position: relative;
    overflow: hidden;
}

.pos-layout .pos-menu__item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.pos-layout .pos-menu__item:hover::before {
    transform: scaleX(1);
}

.pos-layout .pos-menu__item:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.pos-layout .pos-cart {
    border: none;
    box-shadow: var(--shadow-lg);
}

.pos-layout .pos-cart__header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.pos-layout .pos-cart__title {
    color: var(--color-text-inverse);
}

.pos-layout .pos-cart__item {
    transition: background var(--transition-fast);
}

.pos-layout .pos-cart__item:hover {
    background: var(--color-primary-50);
}

.pos-layout .pos-cart__summary-row--total {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-dark);
    padding-top: 8px;
    margin-top: 8px;
    border-top: 2px dashed var(--color-border);
}

/* --- Dashboard Widget --- */
.dashboard-widget {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    overflow: hidden;
    height: 100%;
}

.dashboard-widget:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.dashboard-widget__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border-light);
}

.dashboard-widget__title {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.dashboard-widget__title i {
    color: var(--color-primary);
}

.dashboard-widget__body {
    padding: 20px;
}

.dashboard-widget--chart .dashboard-widget__body {
    padding: 16px 20px 20px;
}

/* --- Report Card --- */
.report-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    height: 100%;
    overflow: hidden;
    position: relative;
}

.report-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.report-card:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.report-card:hover::before {
    opacity: 1;
}

.report-card__body {
    padding: 20px;
}

.report-card__code {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    background: var(--color-primary-50);
    padding: 3px 10px;
    border-radius: 50px;
    margin-bottom: 10px;
    letter-spacing: 0.03em;
}

.report-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-text-inverse);
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.report-card__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0 0 12px;
    line-height: 1.4;
}

.report-card__footer {
    padding-top: 12px;
    border-top: 1px solid var(--color-border-light);
    margin-top: 12px;
}

/* --- Summary KPI Grid --- */
.summary-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.summary-kpi {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    padding: 16px 20px;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.summary-kpi::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.summary-kpi:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-sm);
}

.summary-kpi:hover::after {
    transform: scaleX(1);
}

.summary-kpi__label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.summary-kpi__value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-dark);
    line-height: 1.2;
}

.summary-kpi--highlight {
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-surface) 100%);
    border-color: var(--color-primary-100);
}

.summary-kpi--highlight .summary-kpi__value {
    color: var(--color-primary);
}

/* --- Dashboard Stat Animation --- */
.stat-card.stat-card--animated {
    animation: statFadeIn 0.5s ease forwards;
    opacity: 0;
}

.stat-card.stat-card--animated:nth-child(1) { animation-delay: 0.05s; }
.stat-card.stat-card--animated:nth-child(2) { animation-delay: 0.1s; }
.stat-card.stat-card--animated:nth-child(3) { animation-delay: 0.15s; }
.stat-card.stat-card--animated:nth-child(4) { animation-delay: 0.2s; }
.stat-card.stat-card--animated:nth-child(5) { animation-delay: 0.25s; }
.stat-card.stat-card--animated:nth-child(6) { animation-delay: 0.3s; }

@keyframes statFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Quick Actions Grid --- */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--color-surface-hover);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
    text-align: center;
}

.quick-action-btn i {
    font-size: 1.4rem;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.quick-action-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-action-btn:hover i {
    color: var(--color-text-inverse);
    transform: scale(1.1);
}

/* --- Room Status Visual --- */
.room-status-visual {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.room-status-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.room-status-bar__label {
    flex: 0 0 110px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-align: right;
}

.room-status-bar__track {
    flex: 1;
    height: 10px;
    background: var(--color-border-light);
    border-radius: 50px;
    overflow: hidden;
}

.room-status-bar__fill {
    height: 100%;
    border-radius: 50px;
    transition: width 0.8s ease;
    min-width: 2px;
}

.room-status-bar__count {
    flex: 0 0 36px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    text-align: right;
}

.room-status-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.room-status-legend__item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    padding: 4px 10px;
    background: var(--color-surface-hover);
    border-radius: 50px;
}

.room-status-legend__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* --- Export Button Group --- */
.export-btn-group {
    display: inline-flex;
    gap: 6px;
}

.export-btn-group .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: 8px 14px;
    border-radius: var(--border-radius-sm);
}

.export-btn-group .btn-export-pdf {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: var(--color-text-inverse);
}

.export-btn-group .btn-export-pdf:hover {
    background: #b71c1c;
    border-color: #b71c1c;
    color: var(--color-text-inverse);
}

.export-btn-group .btn-export-excel {
    background: var(--color-success);
    border-color: var(--color-success);
    color: var(--color-text-inverse);
}

.export-btn-group .btn-export-excel:hover {
    background: #1b5e20;
    border-color: #1b5e20;
    color: var(--color-text-inverse);
}

.export-btn-group .btn-export-print {
    background: var(--color-text-secondary);
    border-color: var(--color-text-secondary);
    color: var(--color-text-inverse);
}

.export-btn-group .btn-export-print:hover {
    background: var(--color-text-primary);
    border-color: var(--color-text-primary);
    color: var(--color-text-inverse);
}

/* --- HR Dashboard --- */
.hr-dashboard-hero {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg, 12px);
    background: linear-gradient(135deg, #0d47a1 0%, #1565c0 45%, #1976d2 100%);
    color: var(--color-text-inverse, #fff);
    padding: 1.75rem 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.hr-dashboard-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -5%;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.hr-dashboard-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: 10%;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

.hr-dashboard-hero__inner {
    position: relative;
    z-index: 1;
}

.hr-dashboard-hero__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
}

.hr-dashboard-hero__subtitle {
    opacity: 0.9;
    margin: 0;
    font-size: 0.9375rem;
}

.hr-dashboard-hero__metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.hr-dashboard-hero__metric {
    min-width: 100px;
}

.hr-dashboard-hero__metric-value {
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.2;
}

.hr-dashboard-hero__metric-label {
    font-size: 0.75rem;
    opacity: 0.85;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hr-dashboard-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.hr-dashboard-hero__actions .btn {
    border-color: rgba(255, 255, 255, 0.35);
}

.hr-dashboard-hero__actions .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
}

.hr-attendance-ring {
    --ring-percent: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(
        var(--color-success, #2e7d32) calc(var(--ring-percent) * 1%),
        var(--color-border-light, #e2e8f0) 0
    );
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    position: relative;
}

.hr-attendance-ring::before {
    content: '';
    position: absolute;
    inset: 10px;
    border-radius: 50%;
    background: var(--color-surface, #fff);
}

.hr-attendance-ring__value {
    position: relative;
    z-index: 1;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

.hr-attendance-ring__value small {
    display: block;
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.hr-quick-card {
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    border: 1px solid var(--color-border-light);
}

.hr-quick-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-200, #90caf9);
}

.hr-quick-card__icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.hr-quick-card--alert {
    border-left: 4px solid var(--color-warning, #ef6c00);
}

.hr-module-group {
    margin-bottom: 1.25rem;
}

.hr-module-group:last-child {
    margin-bottom: 0;
}

.hr-module-group__title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border-light);
}

.hr-module-group__title i {
    color: var(--color-primary);
}

.hr-module-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all 0.15s ease;
    height: 100%;
    background: var(--color-surface);
}

.hr-module-tile:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-50, #e3f2fd);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.hr-module-tile__icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
}

.hr-module-tile__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.25;
}

.hr-pending-tabs .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 500;
}

.hr-pending-tabs .nav-link .badge {
    font-size: 0.65rem;
    padding: 0.2em 0.45em;
}

.hr-today-feed__item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.hr-today-feed__item:last-child {
    border-bottom: none;
}

.hr-today-feed__avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.hr-today-feed__avatar--placeholder {
    background: var(--color-bg-subtle, #f1f5f9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
}

.hr-report-tile {
    display: block;
    padding: 1rem;
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: inherit;
    height: 100%;
    transition: all 0.15s ease;
    background: var(--color-surface);
}

.hr-report-tile:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
    color: var(--color-primary);
}

.hr-report-tile__icon {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 0.375rem;
}

.hr-report-tile__label {
    font-weight: 600;
    font-size: 0.875rem;
}

.hr-report-tile__desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.hr-analytics-hero {
    background: linear-gradient(135deg, #4527a0 0%, #6a1b9a 50%, #7b1fa2 100%);
}