/* Reset and Core Variables */
:root {
    /* Color Palette - Light Mode Default */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-sidebar: #0f172a;
    --text-primary: #1e293b;
    --text-muted: #64748b;
    --text-light: #f1f5f9;
    
    --primary: #0d9488; /* Teal */
    --primary-hover: #0f766e;
    --primary-rgb: 13, 148, 136;
    
    --accent: #d97706; /* Amber */
    --accent-hover: #b45309;
    
    --border-color: #e2e8f0;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --hover-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition-speed: 0.25s;
    
    /* Room Status Colors - Light Mode */
    --status-vacant-purple-bg: #f3e8ff;
    --status-vacant-purple-border: #d8b4fe;
    --status-vacant-purple-text: #6b21a8;
    
    --status-vacant-green-bg: #dcfce7;
    --status-vacant-green-border: #86efac;
    --status-vacant-green-text: #166534;
    
    --status-occupied-bg: #ffffff;
    --status-occupied-border: #0ea5e9; /* Light blue left indicator */
    --status-occupied-text: #0369a1;
    --status-occupied-name: #0f172a;
    
    --status-blocked-bg: #1e293b;
    --status-blocked-border: #475569;
    --status-blocked-text: #cbd5e1;
}

/* Dark Mode Variables Override */
[data-theme="dark"] {
    --bg-primary: #090d16;
    --bg-secondary: #131b2e;
    --bg-sidebar: #070a12;
    --text-primary: #e2e8f0;
    --text-muted: #94a3b8;
    --text-light: #f1f5f9;
    
    --border-color: #1e293b;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --hover-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    
    /* Room Status Colors - Dark Mode */
    --status-vacant-purple-bg: #2e1065;
    --status-vacant-purple-border: #6b21a8;
    --status-vacant-purple-text: #e9d5ff;
    
    --status-vacant-green-bg: #064e3b;
    --status-vacant-green-border: #047857;
    --status-vacant-green-text: #a7f3d0;
    
    --status-occupied-bg: #1e293b;
    --status-occupied-border: #38bdf8;
    --status-occupied-text: #e0f2fe;
    --status-occupied-name: #f8fafc;
    
    --status-blocked-bg: #0b0f19;
    --status-blocked-border: #334155;
    --status-blocked-text: #94a3b8;
}

/* Base resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Sarabun', 'Outfit', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* App Container Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    padding: 2rem 1rem;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    box-shadow: 4px 0 10px rgb(0 0 0 / 0.15);
}

.sidebar-header {
    text-align: center;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid #1e293b;
    padding-bottom: 1.5rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    color: var(--primary);
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 8px rgba(13, 148, 136, 0.4));
}

.sidebar-header h2 {
    font-family: 'Sarabun', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #ffffff;
}

.sidebar-header p {
    font-size: 0.85rem;
    color: var(--primary);
    margin-top: 0.2rem;
    font-weight: 500;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.menu-item {
    background: none;
    border: none;
    color: #94a3b8;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
    font-family: inherit;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-speed) ease;
    width: 100%;
}

.menu-item:hover, .menu-item.active {
    background-color: #1e293b;
    color: #ffffff;
}

.menu-item.active {
    border-left: 4px solid var(--primary);
    padding-left: 0.75rem;
}

.sidebar-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #1e293b;
    padding-top: 1.5rem;
}

.version-tag {
    font-size: 0.75rem;
    color: #64748b;
}

/* Main Content Area */
.main-content {
    margin-left: 260px;
    flex-grow: 1;
    padding: 2rem;
    max-width: 1600px;
}

/* Header Styling */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    background-color: var(--bg-secondary);
    padding: 1.25rem 2rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.header-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-title p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-box {
    position: relative;
    width: 320px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-speed) ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-speed) ease;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--accent);
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: var(--accent-hover);
}

.btn-danger {
    background-color: #ef4444;
    color: #ffffff;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-success {
    background-color: #22c55e;
    color: #ffffff;
}

.btn-success:hover {
    background-color: #16a34a;
}

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

.btn-outline:hover {
    background-color: var(--bg-primary);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed) ease;
}

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

/* Tab Management */
.tab-pane {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Stats Dashboard cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-speed) ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background-color: var(--bg-primary);
}

.stat-card.total .stat-icon { background-color: rgba(13, 148, 136, 0.1); }
.stat-card.occupied .stat-icon { background-color: rgba(14, 165, 233, 0.1); }
.stat-card.blocked .stat-icon { background-color: rgba(30, 41, 59, 0.15); }
.stat-card.rate .stat-icon { background-color: rgba(217, 119, 6, 0.1); }

.stat-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Legend Panel */
.legend-panel {
    background-color: var(--bg-secondary);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.85rem;
}

.legend-title {
    font-weight: 600;
    color: var(--text-primary);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    display: inline-block;
    border: 1px solid transparent;
}

.legend-color.vacant-purple { background-color: var(--status-vacant-purple-bg); border-color: var(--status-vacant-purple-border); }
.legend-color.vacant-green { background-color: var(--status-vacant-green-bg); border-color: var(--status-vacant-green-border); }
.legend-color.occupied { background-color: var(--status-occupied-bg); border-color: var(--status-occupied-border); }
.legend-color.blocked-black { background-color: var(--status-blocked-bg); border-color: var(--status-blocked-border); }

/* Buildings Lists and Room Grids */
.buildings-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.building-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.building-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #ffffff;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.building-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
}

.building-stats {
    font-size: 0.85rem;
    background-color: rgba(255, 255, 255, 0.18);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 500;
}

.rooms-grid {
    padding: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
}

/* Individual Room Card */
.room-card {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 120px;
}

.room-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--hover-shadow);
}

.room-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.room-number {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
}

.room-beds-badge {
    font-size: 0.7rem;
    background-color: rgba(0,0,0,0.06);
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    font-weight: 600;
}

.room-guest-name {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.2rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.room-dates {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.room-remarks {
    font-size: 0.75rem;
    color: #ef4444;
    font-weight: 600;
    margin-top: auto;
    padding-top: 0.3rem;
}

/* Room Status Specific Colors mapping */
.room-card.vacant_purple {
    background-color: var(--status-vacant-purple-bg);
    border-color: var(--status-vacant-purple-border);
    color: var(--status-vacant-purple-text);
}
.room-card.vacant_purple .room-dates, 
.room-card.vacant_purple .room-beds-badge {
    color: rgba(107, 33, 168, 0.7);
}

.room-card.vacant_green {
    background-color: var(--status-vacant-green-bg);
    border-color: var(--status-vacant-green-border);
    color: var(--status-vacant-green-text);
}
.room-card.vacant_green .room-dates,
.room-card.vacant_green .room-beds-badge {
    color: rgba(22, 101, 52, 0.7);
}

.room-card.occupied {
    background-color: var(--status-occupied-bg);
    border-color: var(--border-color);
    border-left: 5px solid var(--status-occupied-border);
    color: var(--status-occupied-text);
}
.room-card.occupied .room-number {
    color: var(--primary);
}
.room-card.occupied .room-guest-name {
    color: var(--status-occupied-name);
}

.room-card.blocked_black {
    background-color: var(--status-blocked-bg);
    border-color: var(--status-blocked-border);
    color: var(--status-blocked-text);
    background-image: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,0.02) 10px, rgba(255,255,255,0.02) 20px);
}
.room-card.blocked_black .room-dates {
    color: rgba(255, 255, 255, 0.5);
}
.room-card.blocked_black .room-beds-badge {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

/* History logs sub tab navigation */
.card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.tab-sub-nav {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sub-nav-item {
    background: none;
    border: none;
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-speed) ease;
}

.sub-nav-item:hover, .sub-nav-item.active {
    color: var(--primary);
}

.sub-nav-item.active {
    border-bottom-color: var(--primary);
    font-weight: 600;
}

.sub-tab-pane {
    display: none;
}

.sub-tab-pane.active {
    display: block;
}

/* Table Design */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.data-table th, .data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    color: var(--text-muted);
    background-color: var(--bg-primary);
}

.data-table tbody tr:hover {
    background-color: rgba(var(--primary-rgb), 0.02);
}

.text-center { text-align: center; }
.text-right { text-align: right; }

.status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.active { background-color: #dcfce7; color: #15803d; }
.status-badge.checked_out { background-color: #f1f5f9; color: #475569; }

/* Settings Layout */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media(max-width: 1024px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

input, select, textarea {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all var(--transition-speed) ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.optional {
    color: var(--text-muted);
    font-weight: normal;
}

/* Modals Overlay and Box */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(15, 23, 42, 0.5); /* Semi-transparent blue-slate overlay */
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-secondary);
    margin: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    width: 90%;
    max-width: 580px;
    animation: modalSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.modal-sm {
    max-width: 400px;
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(40px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
}

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

.modal-body {
    padding: 1.5rem;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

/* Room Info Banner in Modal */
.room-info-banner {
    background-color: var(--bg-primary);
    border-radius: 8px;
    padding: 0.8rem 1.2rem;
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

.room-info-banner div {
    display: flex;
    flex-direction: column;
}

.room-info-banner .label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.status-section {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    background-color: var(--bg-secondary);
}

.status-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
    border-left: 3px solid var(--primary);
    padding-left: 0.5rem;
}

.detail-display-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-item.full-width {
    grid-column: span 2;
}

.detail-item .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

.detail-item .value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.action-buttons-group {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.action-buttons-group > * {
    flex: 1;
}

/* Checkout options button panel */
.checkout-status-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.btn-status-select {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
}

.btn-status-select.purple { background-color: var(--status-vacant-purple-bg); color: var(--status-vacant-purple-text); border-color: var(--status-vacant-purple-border); }
.btn-status-select.purple:hover { filter: brightness(0.95); box-shadow: 0 0 0 3px rgba(107, 33, 168, 0.2); }

.btn-status-select.green { background-color: var(--status-vacant-green-bg); color: var(--status-vacant-green-text); border-color: var(--status-vacant-green-border); }
.btn-status-select.green:hover { filter: brightness(0.95); box-shadow: 0 0 0 3px rgba(22, 101, 52, 0.2); }

.btn-status-select.black { background-color: var(--status-blocked-bg); color: var(--status-blocked-text); border-color: var(--status-blocked-border); }
.btn-status-select.black:hover { filter: brightness(1.2); box-shadow: 0 0 0 3px rgba(30, 41, 59, 0.2); }

/* Room Configuration section in Modal */
.room-config-section {
    border-top: 2px dashed var(--border-color);
    padding-top: 1.5rem;
}

/* Loading indicators */
.loading-state {
    padding: 3rem;
    text-align: center;
    color: var(--text-muted);
    font-weight: 500;
}

/* Responsive adjustments */
@media(max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1rem;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    
    .sidebar-header {
        margin-bottom: 1rem;
        padding-bottom: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        border: none;
    }
    
    .sidebar-header h2, .sidebar-header p {
        margin: 0;
    }
    
    .logo-icon {
        width: 30px;
        height: 30px;
        margin: 0;
    }
    
    .sidebar-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .menu-item {
        white-space: nowrap;
        padding: 0.5rem 0.8rem;
    }
    
    .menu-item.active {
        border-left: none;
        border-bottom: 3px solid var(--primary);
        border-radius: 0;
        padding-bottom: 0.3rem;
    }
    
    .sidebar-footer {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .top-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
        align-items: stretch;
    }
    
    .search-box {
        width: 100%;
    }
    
    .header-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .rooms-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        padding: 1rem;
    }
    
    .detail-display-grid {
        grid-template-columns: 1fr;
    }
    .detail-item.full-width {
        grid-column: auto;
    }
}

/* Login Overlay Screen */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    animation: fadeIn var(--transition-speed) ease;
}

.login-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    padding: 2.5rem;
    width: 100%;
    max-width: 440px;
    transform: translateY(0);
    animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo-icon {
    width: 60px;
    height: 60px;
    color: var(--primary);
    margin-bottom: 0.8rem;
    filter: drop-shadow(0 0 8px rgba(13, 148, 136, 0.3));
}

.login-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}

.login-header p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.error-banner {
    background-color: #fef2f2;
    border: 1px solid #fca5a5;
    color: #991b1b;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    font-weight: 500;
    text-align: center;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

/* User Profile Widget in Sidebar */
.user-profile-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: #1e293b;
    border-radius: 10px;
    padding: 0.75rem;
    margin-bottom: 1.5rem;
    border: 1px solid #334155;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.user-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-role-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    display: inline-block;
    width: max-content;
    margin-top: 0.2rem;
    text-transform: uppercase;
}

/* Role color overrides */
.user-role-badge.superadmin {
    background-color: #ef4444;
    color: #ffffff;
}
.user-role-badge.admin {
    background-color: #f97316;
    color: #ffffff;
}
.user-role-badge.moderator {
    background-color: #3b82f6;
    color: #ffffff;
}

.btn-logout-icon {
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) ease;
}

.btn-logout-icon:hover {
    background-color: #ef4444;
    color: #ffffff;
}

/* Restricted elements control */
.role-restricted-hide {
    display: none !important;
}

.role-restricted-disable {
    opacity: 0.5 !important;
    pointer-events: none !important;
    cursor: not-allowed !important;
}