/* CSS Design System for UP BCA Studio Booking System */
/* Built with Vanilla CSS, HSL Theme Colors (UP Purple & Gold) */

:root {
    /* Color Palette */
    --primary-h: 271;
    --primary-s: 76%;
    --primary-l: 53%;
    --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    --primary-light: hsl(var(--primary-h), var(--primary-s), 70%);
    --primary-dark: hsl(var(--primary-h), 80%, 35%);
    --primary-glow: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.08);
    --primary-glow-strong: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.15);

    --accent-h: 43;
    --accent-s: 100%;
    --accent-l: 52%;
    --accent: hsl(var(--accent-h), var(--accent-s), var(--accent-l));
    --accent-light: hsl(var(--accent-h), var(--accent-s), 65%);
    --accent-dark: hsl(var(--accent-h), 100%, 40%);
    --accent-glow: hsla(var(--accent-h), var(--accent-s), var(--accent-l), 0.15);

    /* Neutral Colors - Premium Light Mode (ขาวเรียบหรู ตัวหนังสือสีดำทันสมัย) */
    --bg-base: hsl(220, 20%, 97%);
    --bg-surface: hsl(0, 0%, 100%);
    --bg-panel: hsl(210, 20%, 96%);
    --bg-glass: rgba(255, 255, 255, 0.85);
    
    --text: hsl(220, 25%, 12%);
    --text-muted: hsl(220, 10%, 46%);
    --text-dark: hsl(220, 25%, 12%);
    
    --border: hsla(271, 35%, 55%, 0.12);
    --border-hover: hsla(271, 50%, 55%, 0.25);
    
    /* Semantic Status */
    --success: hsl(142, 70%, 35%);
    --success-glow: rgba(142, 70%, 45%, 0.1);
    --warning: hsl(38, 92%, 45%);
    --danger: hsl(354, 78%, 48%);
    --danger-glow: rgba(354, 78%, 56%, 0.1);
    --info: hsl(199, 89%, 40%);

    /* Transitions & Layout */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 10px 30px -10px rgba(90, 24, 154, 0.08);
    --shadow-glow: 0 0 20px -5px rgba(90, 24, 154, 0.15);
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-base);
    color: var(--text);
    font-family: 'Sarabun', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6, .brand-title, .stat-value {
    font-family: 'Outfit', 'Sarabun', sans-serif;
    font-weight: 600;
}

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

/* Sidebar Styling */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-base) 100%);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 24px;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.logo-circle {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(90, 24, 154, 0.2);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text);
    background: linear-gradient(90deg, var(--text) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-subtitle {
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-weight: 600;
}

/* User Badge */
.user-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px;
    margin-bottom: 32px;
    transition: var(--transition);
}

.user-badge:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.user-avatar {
    width: 38px;
    height: 38px;
    background: var(--primary-glow-strong);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 16px;
    border: 1px solid var(--primary);
}

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

.user-name {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

.switch-user-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.switch-user-btn:hover {
    color: var(--danger);
    background: rgba(90, 24, 154, 0.06);
}

/* Nav Menu */
.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 15px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.nav-item i {
    font-size: 18px;
    width: 20px;
    text-align: center;
    transition: var(--transition);
}

.nav-item:hover {
    color: var(--text);
    background: rgba(90, 24, 154, 0.05);
    padding-left: 22px;
}

.nav-item.active {
    color: var(--text);
    background: var(--primary-glow);
    border-color: var(--border);
    box-shadow: inset 4px 0 0 var(--primary);
    font-weight: 500;
}

.nav-item.active i {
    color: var(--accent);
    transform: scale(1.1);
}

.nav-item .badge {
    margin-left: auto;
    background: var(--primary);
    color: var(--text);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 800;
}

.sidebar-footer {
    margin-top: auto;
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.4;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

/* Main Content Area */
.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 32px;
    min-height: 100vh;
}

.top-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.page-title-area h1 {
    font-size: 28px;
    background: linear-gradient(135deg, var(--text) 30%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
}

.text-muted {
    color: var(--text-muted);
    font-size: 14px;
}

.server-time {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--accent);
    font-weight: 500;
}

/* View Panels */
.view-panel {
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.view-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 36px;
}

.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.purple {
    background: rgba(90, 24, 154, 0.15);
    color: var(--primary-light);
    border: 1px solid var(--primary);
}

.stat-icon.gold {
    background: rgba(255, 183, 3, 0.15);
    color: var(--accent);
    border: 1px solid var(--accent);
}

.stat-icon.pink {
    background: rgba(247, 37, 133, 0.15);
    color: hsl(332, 94%, 65%);
    border: 1px solid hsl(332, 94%, 55%);
}

.stat-icon.blue {
    background: rgba(72, 149, 239, 0.15);
    color: var(--info);
    border: 1px solid var(--info);
}

.stat-data {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

/* Section Titles */
.section-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* Studios Showcase */
.studios-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 36px;
}

@media (max-width: 992px) {
    .studios-showcase {
        grid-template-columns: 1fr;
    }
}

.studio-showcase-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
}

.studio-showcase-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow);
}

.studio-showcase-header {
    padding: 32px;
    position: relative;
    overflow: hidden;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.studio-showcase-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.studio1-bg {
    background: linear-gradient(135deg, hsl(271, 70%, 15%) 0%, hsl(271, 80%, 35%) 100%);
    border-bottom: 2px solid var(--primary);
}

.studio2-bg {
    background: linear-gradient(135deg, hsl(43, 70%, 15%) 0%, hsl(43, 100%, 30%) 100%);
    border-bottom: 2px solid var(--accent);
}

.studio-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.studio-showcase-header h3 {
    position: relative;
    z-index: 2;
    font-size: 22px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.studio-showcase-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.studio-showcase-body .description {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.room-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.room-list li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.room-list li i {
    font-size: 16px;
    margin-top: 4px;
}

.room-list li strong {
    display: block;
    font-size: 14px;
    color: var(--text);
}

.room-list li span {
    font-size: 12px;
    color: var(--text-muted);
}

.text-purple { color: var(--primary-light); }
.text-gold { color: var(--accent); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

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

.btn-purple:hover {
    background: var(--primary-dark);
    box-shadow: 0 0 15px rgba(90, 24, 154, 0.4);
}

.btn-gold {
    background: var(--accent);
    color: var(--text-dark);
}

.btn-gold:hover {
    background: var(--accent-light);
    box-shadow: 0 0 15px rgba(255, 183, 3, 0.4);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(90, 24, 154, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(90, 24, 154, 0.5);
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    box-shadow: 0 0 15px var(--success-glow);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    box-shadow: 0 0 15px var(--danger-glow);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 16px 28px;
    font-size: 16px;
    border-radius: var(--radius-md);
}

/* Rules Alert Box */
.rules-alert-box {
    background: var(--bg-surface);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 24px;
    margin-bottom: 24px;
    border-top: 1px solid var(--border);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.rules-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--accent);
}

.rules-header h3 {
    font-size: 16px;
}

.rules-content ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rules-content li {
    font-size: 14px;
    color: var(--text-muted);
}

.rules-content li i {
    font-size: 10px;
    margin-right: 6px;
    color: var(--accent);
}

/* Booking Grid Layout */
.booking-grid-layout {
    display: grid;
    grid-template-columns: 450px 1fr;
    gap: 28px;
}

@media (max-width: 1200px) {
    .booking-grid-layout {
        grid-template-columns: 1fr;
    }
}

.booking-config-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.panel-subtitle {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    background-color: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

select option {
    color: #000000;
    background-color: #ffffff;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Time Range Pickers */
.time-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 10px;
}

.time-field {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
}

.time-field span {
    font-size: 13px;
    color: var(--text-muted);
}

.time-field select {
    border: none;
    background: transparent;
    padding: 8px 4px;
    width: 100%;
    color: var(--text);
    outline: none;
}

.duration-display {
    font-size: 13px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    padding: 10px;
    text-align: center;
    border: 1px dashed var(--border);
}

.duration-display strong {
    color: var(--accent);
}

.form-section-title {
    font-size: 15px;
    margin: 24px 0 16px 0;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

/* Equipment Loan Section */
.equipment-loan-section {
    margin-bottom: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.btn-toggle-equip {
    width: 100%;
    background: var(--bg-panel);
    border: none;
    padding: 14px;
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-toggle-equip:hover {
    background: rgba(90, 24, 154, 0.04);
}

.btn-toggle-equip .fold-icon {
    transition: var(--transition);
}

.btn-toggle-equip.active .fold-icon {
    transform: rotate(180deg);
}

.equipment-list-wrapper {
    padding: 14px;
    border-top: 1px solid var(--border);
    background: var(--bg-surface);
}

.equip-category-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
}

.equip-tab {
    flex: 1;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    transition: var(--transition);
}

.equip-tab.active {
    background: var(--primary-glow);
    border-color: var(--primary);
    color: var(--text);
}

.equip-items-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 180px;
    overflow-y: auto;
    padding-right: 4px;
}

.equip-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 12px;
}

.equip-checkbox-label:hover {
    border-color: var(--border-hover);
}

.equip-checkbox-label input {
    accent-color: var(--primary);
}

.equip-checkbox-label .equip-details {
    display: flex;
    flex-direction: column;
}

.equip-checkbox-label .equip-details span {
    font-weight: 500;
}

.equip-checkbox-label .equip-details small {
    color: var(--text-muted);
}

/* Booking Workspace Panel */
.booking-workspace-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    min-height: 500px;
}

.workspace-header {
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.workspace-header h3 {
    font-size: 18px;
    color: var(--text);
    margin-bottom: 4px;
}

/* Lab Screen Indicator */
.lab-screen-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.screen-box {
    background: linear-gradient(90deg, rgba(90, 24, 154, 0.1) 0%, rgba(90, 24, 154, 0.3) 50%, rgba(90, 24, 154, 0.1) 100%);
    border: 1px solid var(--primary);
    border-radius: 4px;
    padding: 10px 40px;
    font-size: 13px;
    color: var(--primary-light);
    text-align: center;
    box-shadow: 0 0 15px rgba(90, 24, 154, 0.1);
    width: 80%;
}

/* PC layout Grid */
.pc-layout-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .pc-layout-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pc-seat {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.pc-seat i {
    font-size: 22px;
    color: var(--success);
    transition: var(--transition);
}

.pc-seat span {
    font-size: 13px;
    font-weight: 600;
}

.pc-seat::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success);
}

/* PC Seat Status States */
.pc-seat:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 6px 15px rgba(90, 24, 154, 0.2);
}

.pc-seat.selected {
    background: var(--primary-glow);
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
    animation: pulseSelected 2s infinite;
}

.pc-seat.selected i {
    color: var(--accent);
}

.pc-seat.selected::after {
    background-color: var(--accent);
}

.pc-seat.booked {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.08);
    color: rgba(0, 0, 0, 0.25);
    cursor: not-allowed;
}

.pc-seat.booked i {
    color: var(--danger);
}

.pc-seat.booked::after {
    background-color: var(--danger);
}

.pc-seat.booked:hover {
    transform: none;
    box-shadow: none;
    border-color: rgba(0, 0, 0, 0.08);
}

@keyframes pulseSelected {
    0% {
        box-shadow: 0 0 0 0 hsla(var(--accent-h), var(--accent-s), var(--accent-l), 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px hsla(var(--accent-h), var(--accent-s), var(--accent-l), 0);
    }
    100% {
        box-shadow: 0 0 0 0 hsla(var(--accent-h), var(--accent-s), var(--accent-l), 0);
    }
}

.pc-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
    font-size: 13px;
}

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

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.legend-color.available { background: var(--success); }
.legend-color.selected { background: var(--accent); }
.legend-color.booked { background: var(--danger); }

.selected-pc-status-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: auto;
    border-left: 4px solid var(--accent);
}

.selected-pc-status-card h4 {
    margin-bottom: 4px;
}

.status-indicator-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    margin-top: 10px;
}

.status-indicator-tag.success {
    background: var(--success-glow);
    color: var(--success);
}

/* Room Preview Component */
.room-preview-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.empty-preview-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.empty-preview-state i {
    font-size: 64px;
    margin-bottom: 20px;
    color: var(--primary-glow-strong);
}

.room-preview-details {
    animation: fadeIn 0.4s ease-out;
}

.room-preview-img-placeholder {
    width: 100%;
    height: 240px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, hsl(250, 24%, 18%) 0%, hsl(250, 24%, 10%) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--primary-glow-strong);
    border: 1px solid var(--border);
    margin-bottom: 20px;
}

.room-specs-list {
    margin: 20px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.spec-item {
    background: var(--bg-panel);
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.spec-item strong {
    display: block;
    font-size: 13px;
    color: var(--accent);
}

.spec-item span {
    font-size: 12px;
    color: var(--text-muted);
}

/* My Bookings View */
.my-bookings-wrapper {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.bookings-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
}

.user-filter-box {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.user-filter-box label {
    font-size: 13px;
    color: var(--text-muted);
}

.search-input-group {
    display: flex;
    gap: 8px;
}

.search-input-group .form-control {
    width: 200px;
    padding: 8px 12px;
}

.bookings-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 200px;
}

.empty-bookings-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
}

.empty-bookings-state i {
    font-size: 54px;
    color: var(--border-hover);
    margin-bottom: 16px;
}

/* Booking Card (My Bookings) */
.booking-item-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 20px;
    align-items: center;
    transition: var(--transition);
}

.booking-item-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.booking-item-card .booking-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-glow);
    border: 1px solid var(--primary);
    color: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.booking-main-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.booking-main-details h4 {
    font-size: 16px;
    color: var(--text);
}

.booking-meta-info {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--text-muted);
}

.booking-meta-info span i {
    color: var(--accent);
    margin-right: 4px;
}

.booking-action-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-align: center;
}

.status-badge.pending {
    background: rgba(255, 183, 3, 0.15);
    color: var(--accent);
    border: 1px solid var(--accent);
}

.status-badge.approved {
    background: var(--success-glow);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-badge.rejected {
    background: var(--danger-glow);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.status-badge.cancelled {
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.btn-cancel-booking {
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-cancel-booking:hover {
    background: var(--danger);
    color: #fff;
}

/* Admin Settings */
.admin-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.admin-card-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.admin-card-header h3 {
    font-size: 18px;
    color: var(--text);
}

.admin-actions-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.table-title {
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--text);
}

.admin-table-wrapper {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.admin-table th {
    background: var(--bg-panel);
    padding: 12px;
    border-bottom: 2px solid var(--border);
    color: var(--text-muted);
    font-weight: 500;
}

.admin-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.admin-table tr:hover {
    background: rgba(90, 24, 154, 0.02);
}

/* Google Drive Sync elements */
.gdrive-sync-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
}

.sync-status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-dot.warning { background-color: var(--warning); }
.status-dot.success { background-color: var(--success); }

.input-group-btn {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.gdrive-actions-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: modalFadeIn 0.3s ease-out forwards;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 480px;
    max-width: 90%;
    padding: 28px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    animation: modalSlideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.guide-modal-content {
    width: 700px;
    max-width: 95%;
    max-height: 85vh;
    overflow-y: auto;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.modal-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-modal-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
}

.close-modal-btn:hover {
    color: var(--danger);
}

.modal-footer {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    margin-top: 20px;
    display: flex;
    justify-content: flex-end;
}

.code-box {
    background: var(--bg-base);
    border: 1px solid var(--border);
    padding: 12px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 11px;
    color: var(--accent);
    overflow-x: auto;
    margin: 8px 0;
}

.setup-steps {
    padding-left: 20px;
}

.setup-steps li {
    margin-bottom: 16px;
    font-size: 13px;
}

.alert {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    margin: 16px 0;
}

.alert-info {
    background: rgba(199, 199, 199, 0.05);
    border: 1px solid var(--info);
    color: var(--text);
}

.alert-info i {
    color: var(--info);
    margin-right: 6px;
}

/* Notifications */
.notification-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 2000;
}

.toast {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    color: var(--text);
    min-width: 300px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    animation: toastSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.toast.success { border-left-color: var(--success); }
.toast.danger { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.mt-4 { margin-top: 24px; }
.mt-3 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }

/* Responsive Adjustments for Mobile Nav & Diverse Screens */
@media (max-width: 992px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 16px;
    }
    .user-badge {
        margin-bottom: 16px;
    }
    .nav-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 8px;
        gap: 4px;
    }
    .nav-item {
        white-space: nowrap;
        padding: 10px 14px;
        font-size: 13px;
    }
    .nav-item:hover {
        padding-left: 14px;
    }
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    .sidebar-footer {
        display: none;
    }
}

@media (max-width: 768px) {
    .booking-item-card {
        grid-template-columns: 1fr;
        gap: 16px;
        text-align: center;
    }
    .booking-item-card .booking-icon {
        margin: 0 auto;
    }
    .booking-meta-info {
        justify-content: center;
    }
    .booking-action-area {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }
    .booking-action-area .status-badge {
        width: 100%;
    }
    .btn-cancel-booking {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .top-navbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .server-time {
        width: 100%;
        justify-content: center;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .time-inputs {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .pc-layout-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .pc-seat {
        padding: 10px 4px;
    }
    .pc-seat i {
        font-size: 18px;
    }
    .pc-seat span {
        font-size: 11px;
    }
    .equip-category-tabs {
        flex-direction: column;
        gap: 4px;
    }
}

/* Print Stylesheet - Triggers during window.print() */
@media print {
    body * {
        visibility: hidden;
    }
    
    #printReportContainer, #printReportContainer * {
        visibility: visible;
    }
    
    #printReportContainer {
        display: block !important;
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        color: #000 !important;
        background: #fff !important;
        padding: 0;
        margin: 0;
    }

    /* Force black and white on white bg for printing */
    * {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
}

/* Detailed Print layout container styles */
.print-only-report {
    display: none;
    color: #000;
    background: #fff;
    padding: 30px;
    font-family: 'Sarabun', sans-serif;
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px double #000;
    padding-bottom: 16px;
    margin-bottom: 24px;
}

.report-logo {
    text-align: left;
}

.report-logo h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 2px;
}

.report-logo h3 {
    font-size: 13px;
    font-weight: 500;
    color: #444;
}

.report-title-area {
    text-align: right;
}

.report-title-area h1 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.report-title-area p {
    font-size: 11px;
    color: #555;
    margin: 2px 0;
}

.print-date {
    font-style: italic;
    font-size: 11px;
    margin-top: 4px;
}

.report-stats {
    display: flex;
    justify-content: space-between;
    background: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 12px 20px;
    margin-bottom: 24px;
    font-size: 13px;
}

.report-stat-item strong {
    color: #333;
}

.report-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 40px;
    font-size: 12px;
}

.report-table th, .report-table td {
    border: 1px solid #000;
    padding: 8px 6px;
    text-align: left;
}

.report-table th {
    background-color: #f0f0f0 !important;
    font-weight: 600;
}

.report-table tr {
    page-break-inside: avoid;
}

.report-signatures {
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
    page-break-inside: avoid;
}

.signature-line {
    width: 45%;
    text-align: center;
    font-size: 13px;
}

.signature-line p {
    margin-bottom: 12px;
}

.signature-line p:last-child {
    margin-bottom: 0;
}

/* LINE Chat Mockup Notification Popup */
.line-notification-popup {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 340px;
    background: #7494C4; /* LINE Chat background classic blue */
    border: 2px solid #06C755;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    z-index: 3000;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    font-family: 'Sarabun', sans-serif;
    animation: lineSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes lineSlideIn {
    from {
        opacity: 0;
        transform: translateY(100px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.line-popup-header {
    background: #06C755;
    color: white;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.line-popup-header .header-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.line-popup-header i {
    font-size: 16px;
}

.line-popup-header .close-line-popup {
    background: transparent;
    border: none;
    color: white;
    font-size: 16px;
    cursor: pointer;
    opacity: 0.8;
}

.line-popup-header .close-line-popup:hover {
    opacity: 1;
}

.line-popup-body {
    padding: 14px;
    max-height: 350px;
    overflow-y: auto;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.line-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 11px;
    font-weight: bold;
    border: 1px solid rgba(255,255,255,0.2);
    flex-shrink: 0;
}

.line-bubble-area {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1;
}

.line-sender-name {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 4px;
    font-weight: 600;
}

.line-chat-bubble {
    background: #85E29B; /* LINE Soft green bubble for incoming */
    color: #000 !important;
    padding: 10px 14px;
    border-radius: 16px;
    border-top-left-radius: 2px;
    font-size: 12px;
    line-height: 1.5;
    position: relative;
    max-width: 95%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    white-space: pre-wrap;
}

.line-bubble-footer {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    margin-top: 4px;
}

.line-chat-time {
    font-size: 9px;
    color: rgba(255, 255, 255, 0.7);
}

.line-chat-read {
    font-size: 9px;
    color: #ffd700;
    font-weight: bold;
}

/* Admin Login Panel Styling */
.admin-login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
    min-height: 60vh;
}

.admin-login-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow), 0 0 40px rgba(90, 24, 154, 0.25);
    animation: fadeIn 0.4s ease-out forwards;
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-header i {
    font-size: 44px;
    margin-bottom: 14px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.3));
}

.login-header h3 {
    font-size: 22px;
    color: var(--text);
    margin-bottom: 8px;
}

.login-header p {
    font-size: 13px;
    color: var(--text-muted);
}

.password-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-group .form-control {
    padding-right: 45px;
}

.btn-toggle-password {
    position: absolute;
    right: 8px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-toggle-password:hover {
    color: var(--accent);
}