:root {
    --primary: #ff5533;
    --primary-dark: #e04525;
    --secondary: #1a1a2e;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --bg-dark: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-input: #252540;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --border-color: #2a2a4a;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a3e 100%);
}

.login-box {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 10px;
    color: var(--primary);
    font-size: 28px;
}

.login-box .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.login-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.login-btn.admin {
    background: var(--primary);
    color: white;
}

.login-btn.admin:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.login-btn.user {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.login-btn.user:hover {
    border-color: var(--primary);
    background: rgba(255, 85, 51, 0.1);
}

/* Main Layout */
.app-container {
    display: none;
    min-height: 100vh;
}

.app-container.active {
    display: block;
}

/* Header */
.header {
    background: var(--bg-card);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.header-title {
    font-size: 18px;
    color: var(--text-secondary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.date-picker input {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg-input);
    border-radius: 8px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: var(--danger);
    color: white;
}

/* Main Content */
.main-content {
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

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

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

.btn-success:hover {
    background: #0d9668;
}

.btn-warning {
    background: var(--warning);
    color: white;
}

.btn-warning:hover {
    background: #d97706;
}

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

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

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

.btn-icon {
    padding: 8px;
    min-width: 36px;
    justify-content: center;
}

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

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

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

/* File Upload */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-area:hover {
    border-color: var(--primary);
    background: rgba(255, 85, 51, 0.05);
}

.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(255, 85, 51, 0.1);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.upload-text {
    font-size: 16px;
    color: var(--text-secondary);
}

.upload-text span {
    color: var(--primary);
    font-weight: 600;
}

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

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-input);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.primary {
    background: rgba(255, 85, 51, 0.2);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.2);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.2);
}

.stat-icon.danger {
    background: rgba(239, 68, 68, 0.2);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* QR Scanner */
.scanner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.scanner-box {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--bg-input);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
}

.scanner-box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scanner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.scanner-frame {
    width: 250px;
    height: 250px;
    border: 3px solid var(--primary);
    border-radius: 20px;
    box-shadow: 0 0 0 4000px rgba(0, 0, 0, 0.5);
}

.scan-result {
    width: 100%;
    max-width: 500px;
}

.result-card {
    background: var(--bg-input);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}

.result-card.success {
    border: 2px solid var(--success);
}

.result-card.error {
    border: 2px solid var(--danger);
}

.result-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.result-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.result-message {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.booking-details {
    text-align: left;
    background: var(--bg-card);
    border-radius: 8px;
    padding: 16px;
    margin-top: 16px;
}

.booking-details h4 {
    margin-bottom: 12px;
    color: var(--primary);
}

.booking-details p {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.booking-details p:last-child {
    border-bottom: none;
}

.booking-details span:first-child {
    color: var(--text-secondary);
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 16px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    min-width: 300px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-success {
    background: var(--success);
}

.toast-error {
    background: var(--danger);
}

.toast-warning {
    background: var(--warning);
}

.toast-info {
    background: #3b82f6;
}

/* Loader */
.loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Action Buttons in Table */
.action-buttons {
    display: flex;
    gap: 8px;
}

/* Manual Entry Badge */
.manual-badge {
    background: rgba(139, 92, 246, 0.2);
    color: #8b5cf6;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }

    .header-left, .header-right {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .main-content {
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    table {
        font-size: 12px;
    }

    th, td {
        padding: 10px 8px;
    }

    .action-buttons {
        flex-direction: column;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* Booking List for User Panel */
.booking-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.booking-item {
    background: var(--bg-input);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

.booking-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.booking-item.arrived {
    border-left: 4px solid var(--success);
}

.booking-item.pending {
    border-left: 4px solid var(--warning);
}

.booking-info h4 {
    margin-bottom: 4px;
}

.booking-info p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-input);
    padding: 4px;
    border-radius: 8px;
    margin-bottom: 24px;
}

.tab {
    flex: 1;
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.tab.active {
    background: var(--primary);
    color: white;
}

.tab:hover:not(.active) {
    color: var(--text-primary);
}

/* Tab Content */
.tab-content {
    display: none;
}

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