:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #e0e7ff;
    --secondary: #8b5cf6;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --bg: #f1f5f9;
    --surface: #ffffff;
    --surface-hover: #f8fafc;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ========== HEADER ========== */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    white-space: nowrap;
}

.nav-tabs {
    display: flex;
    gap: 4px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-btn:hover { background: var(--bg); color: var(--text); }
.nav-btn.active { background: var(--primary-light); color: var(--primary); }

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

.tz-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.tz-selector select {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    background: var(--surface);
    color: var(--text);
    max-width: 200px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}

.mobile-nav {
    display: none;
    flex-direction: column;
    padding: 12px 24px 16px;
    gap: 8px;
    border-top: 1px solid var(--border);
}

.mobile-nav.show { display: flex; }

.mobile-tz {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.mobile-tz-select {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
}

/* ========== VIEWS ========== */
.view { display: none; max-width: 1400px; margin: 0 auto; padding: 24px; }
.view.active { display: block; }

/* ========== FILTERS ========== */
.filters-bar {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.filters-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 180px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.date-sep { color: var(--text-muted); font-size: 13px; }

.filter-group input,
.filter-group select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text);
    background: var(--surface);
    transition: var(--transition);
    width: 100%;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.btn-clear {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    border-radius: var(--radius);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    align-self: flex-end;
}

.btn-clear:hover { background: var(--bg); color: var(--text); }

/* ========== CONTENT LAYOUT ========== */
.content-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    align-items: start;
}

/* ========== CALENDAR ========== */
.calendar-section {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 88px;
}

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

.calendar-header h2 {
    font-size: 17px;
    font-weight: 600;
}

.cal-nav {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--text-secondary);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.cal-nav:hover { background: var(--bg); color: var(--text); }

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-light);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.cal-cell {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    border-radius: var(--radius);
    cursor: default;
    position: relative;
    transition: var(--transition);
}

.cal-cell.other-month { color: var(--text-muted); opacity: 0.4; }
.cal-cell.today { background: var(--primary-light); color: var(--primary); font-weight: 700; }

.cal-cell.has-events {
    cursor: pointer;
    font-weight: 600;
}

.cal-cell.has-events:hover { background: var(--bg); }

.cal-cell.active-date {
    background: var(--primary) !important;
    color: #fff !important;
}

.cal-dots {
    display: flex;
    gap: 3px;
    margin-top: 2px;
}

.cal-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary);
}

.cal-cell.active-date .cal-dot { background: rgba(255,255,255,0.7); }

/* ========== EVENTS ========== */
.events-section { min-height: 400px; }

.events-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.events-header h2 { font-size: 20px; font-weight: 600; }

.events-count {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 999px;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.event-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

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

.event-card-banner {
    height: 140px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.event-card-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.event-card-icon {
    font-size: 40px;
    z-index: 1;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.event-card-category {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    z-index: 1;
}

.event-card-body { padding: 16px; }
.event-card-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }

.event-card-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
}

.event-card-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.event-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--border-light);
}

.event-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.event-price small {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
}

.event-seats-left {
    font-size: 12px;
    font-weight: 600;
    color: var(--success);
    background: var(--success-light);
    padding: 4px 10px;
    border-radius: 999px;
}

.event-seats-left.few { color: var(--warning); background: var(--warning-light); }
.event-seats-left.none { color: var(--danger); background: var(--danger-light); }

.no-events {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.no-events p { margin-top: 12px; font-size: 15px; }

.hidden { display: none !important; }

/* ========== MODALS ========== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow-y: auto;
}

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

.modal-dialog {
    background: var(--surface);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    position: relative;
    animation: modalIn 0.25s ease;
}

.modal-dialog.large { max-width: 900px; }

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--bg);
    color: var(--text-secondary);
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover { background: var(--border); color: var(--text); }
.modal-body { padding: 24px; }

/* ========== EVENT DETAIL ========== */
.event-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.event-info-panel h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-right: 30px;
}

.event-info-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.event-info-row svg { flex-shrink: 0; margin-top: 2px; }
.event-info-row strong { color: var(--text); }

.event-description {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========== SEAT MAP ========== */
.seat-panel h3 { font-size: 16px; font-weight: 600; margin-bottom: 12px; }

.seat-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.available { background: var(--success); }
.dot.selected { background: var(--primary); }
.dot.booked { background: var(--border); }
.dot.vip { background: var(--warning); }

.seat-map-wrap {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 12px;
    margin-bottom: 16px;
    overflow-x: auto;
}

#seat-svg {
    width: 100%;
    height: auto;
    display: block;
}

.seat-map-wrap .seat {
    cursor: pointer;
    transition: var(--transition);
}

.seat-map-wrap .seat:hover:not(.booked) { opacity: 0.8; filter: brightness(1.1); }
.seat-map-wrap .seat.booked { cursor: not-allowed; }

.booking-summary {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.summary-seats {
    font-size: 13px;
    color: var(--text-secondary);
    flex: 1;
}

.summary-total {
    font-size: 14px;
    white-space: nowrap;
}

.summary-total strong {
    font-size: 20px;
    color: var(--primary);
}

.booking-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-input {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text);
    transition: var(--transition);
}

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

.btn-primary {
    padding: 12px 24px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
    padding: 12px 24px;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-book { width: 100%; }

/* ========== TICKET ========== */
.ticket-card {
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.ticket-top {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    padding: 24px;
    text-align: center;
}

.ticket-top h2 { font-size: 20px; margin-bottom: 4px; }
.ticket-top p { opacity: 0.8; font-size: 14px; }

.ticket-body {
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
}

.ticket-details { display: flex; flex-direction: column; gap: 12px; }

.ticket-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ticket-label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.ticket-value { font-size: 14px; font-weight: 500; }

.ticket-qr {
    width: 140px;
    height: 140px;
    background: var(--bg);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.ticket-qr canvas,
.ticket-qr img { max-width: 100%; max-height: 100%; }

.ticket-footer {
    padding: 16px 24px;
    border-top: 2px dashed var(--border);
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
}

.ticket-code {
    font-family: "Courier New", monospace;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 2px;
}

.ticket-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.ticket-actions > * { flex: 1; }

/* ========== ADMIN ========== */
.admin-header-bar {
    margin-bottom: 24px;
}

.admin-header-bar h1 { font-size: 24px; font-weight: 700; }
.admin-header-bar p { color: var(--text-secondary); font-size: 14px; margin-top: 4px; }

.stats-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card-change {
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 999px;
}

.stat-card-change.up { color: var(--success); background: var(--success-light); }
.stat-card-change.down { color: var(--danger); background: var(--danger-light); }

.stat-card-value { font-size: 28px; font-weight: 700; margin-bottom: 4px; }
.stat-card-label { font-size: 13px; color: var(--text-secondary); }

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

.chart-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.chart-card.full-width { margin-bottom: 16px; }
.chart-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.chart-area { min-height: 250px; }

.table-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.table-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 16px; }

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}

tbody tr:hover { background: var(--surface-hover); }

.no-bookings {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* ========== TOAST ========== */
.toast-container {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 14px 20px;
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn 0.3s ease;
    border-left: 4px solid var(--success);
    min-width: 280px;
}

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

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .content-layout {
        grid-template-columns: 1fr;
    }
    .calendar-section {
        position: static;
    }
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .charts-row {
        grid-template-columns: 1fr;
    }
    .event-detail-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-inner { padding: 0 16px; }
    .nav-tabs { display: none; }
    .tz-selector { display: none; }
    .mobile-menu-btn { display: block; }
    .view { padding: 16px; }

    .filters-inner {
        flex-direction: column;
    }
    .filter-group { min-width: 100%; }

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

    .modal-overlay { padding: 12px; }
    .modal-dialog { max-height: 95vh; }

    .ticket-body {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .ticket-qr { margin: 0 auto; }

    .ticket-actions {
        flex-direction: column;
    }

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

@media (max-width: 480px) {
    .logo span { display: none; }
    .header-inner { gap: 12px; }

    .event-card-banner { height: 100px; }
    .event-card-icon { font-size: 32px; }

    .modal-body { padding: 16px; }

    .stat-card-value { font-size: 22px; }
}

/* ========== Print ========== */
@media print {
    .header, .filters-bar, .modal-close, .ticket-actions, .toast-container { display: none !important; }
    .modal-overlay { position: static; background: none; padding: 0; }
    .modal-dialog { max-width: none; box-shadow: none; max-height: none; }
    .ticket-card { border: 2px solid #000; }
}