:root {
    --bg-main: #111111;
    --bg-card: #1C1C1E;
    --bg-card-light: #2A2A2C;
    
    --text-primary: #FFFFFF;
    --text-secondary: #999999;
    
    --accent-green: #34C759;
    --accent-pink: #E880E8;
    --accent-gold: #F8CB64;
    --accent-red: #FF4D4D;
    --section-booked: #2C2C2C;
    
    --border-color: #2A2A2A;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Tier Colors */
    --tier-pavilion: #FFD700;
    --tier-corporate: #A78BFA;
    --tier-premium: #60A5FA;
    --tier-upper: #34D399;
    --tier-general: #FB923C;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.app-container.seats-page {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    background-color: var(--bg-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ─── Header ─── */
.top-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
}

.back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.header-titles {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.h-title {
    font-size: 1rem;
    font-weight: 700;
}

.h-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
}


/* ─── Live Viewers ─── */
.live-viewers-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.78rem;
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 4px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-red);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 77, 77, 0.5); }
    70% { box-shadow: 0 0 0 8px rgba(255, 77, 77, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 77, 77, 0); }
}

/* ═══════════════════════════════════════════════
   STADIUM MAP
   ═══════════════════════════════════════════════ */
.stadium-section {
    padding: 0 20px;
}

.section-heading {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.section-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.stadium-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 0;
}

.stadium-svg {
    width: 100%;
    max-width: 420px;
}

/* Stadium section styling */
.std-section {
    stroke: var(--bg-main);
    stroke-width: 2;
    transition: all 0.25s ease;
    cursor: default;
}

.std-section.booked {
    fill: #222;
    cursor: not-allowed;
}

.std-section.avail {
    cursor: pointer;
    filter: saturate(0.85);
}

.std-section.avail:hover {
    filter: brightness(1.3) saturate(1);
    stroke: #fff;
    stroke-width: 3;
}

.std-section.avail.active-section {
    stroke: #fff;
    stroke-width: 3.5;
    filter: brightness(1.4) drop-shadow(0 0 8px currentColor);
}

/* Tier color fills */
.std-section.tier-pavilion { fill: var(--tier-pavilion); }
.std-section.tier-corporate { fill: var(--tier-corporate); }
.std-section.tier-premium { fill: var(--tier-premium); }
.std-section.tier-premium-first { fill: #7DD3FC; }
.std-section.tier-upper { fill: var(--tier-upper); }
.std-section.tier-general { fill: var(--tier-general); }

.price-label {
    pointer-events: none;
    text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}

/* ─── Map Legend ─── */
.map-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 16px;
    padding: 16px 0 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.68rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
}

/* ─── Section Toast (bottom info bar when section is tapped) ─── */
.section-toast {
    position: fixed;
    bottom: -120px;
    left: 0;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    right: 0;
    background: rgba(28, 28, 30, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 16px 20px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 90;
    transition: bottom 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.section-toast.visible {
    bottom: 0;
}

.toast-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.toast-name {
    font-size: 0.95rem;
    font-weight: 700;
}

.toast-meta {
    display: flex;
    align-items: center;
    gap: 6px;
}

.toast-price {
    font-size: 1.05rem;
    font-weight: 800;
}

.toast-seats {
    font-size: 0.75rem;
    color: var(--accent-red);
    font-weight: 600;
}

.toast-btn {
    background: white;
    color: #111;
    border: none;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 800;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: transform 0.2s;
    white-space: nowrap;
}

.toast-btn:active {
    transform: scale(0.95);
}

/* ─── Offer Banner ─── */
.offer-banner {
    margin: 20px 20px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(248, 203, 100, 0.1), rgba(248, 203, 100, 0.03));
    border: 1px solid rgba(248, 203, 100, 0.2);
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    color: var(--accent-gold);
}

.offer-icon {
    font-size: 1.3rem;
}

/* ─── Trust Badges ─── */
.trust-badges {
    display: flex;
    justify-content: space-around;
    padding: 20px;
    margin-top: 12px;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 0.68rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.bottom-spacer {
    height: 20px;
}

/* ═══════════════════════════════════════════════
   SEAT OVERLAY
   ═══════════════════════════════════════════════ */
.seat-overlay {
    position: fixed;
    bottom: -100%;
    left: 0;
    width: 100%;
    height: 90vh;
    background: var(--bg-card);
    border-radius: 24px 24px 0 0;
    z-index: 100;
    transition: bottom 0.4s cubic-bezier(0.1, 1, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 0 -10px 60px rgba(0,0,0,0.7);
}

@media (min-width: 600px) {
    .seat-overlay {
        left: 50%;
        transform: translateX(-50%);
        width: 600px;
    }
}

.seat-overlay.active {
    bottom: 0;
}

.seat-overlay-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.close-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    padding: 4px;
}

.overlay-title {
    flex: 1;
}

.overlay-title h2 {
    font-size: 1.1rem;
    font-weight: 700;
}

.overlay-title .sub-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.overlay-demand-badge {
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.2), rgba(255, 77, 77, 0.1));
    border: 1px solid rgba(255, 77, 77, 0.3);
    color: var(--accent-red);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
}

.seat-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 14px;
    background: var(--bg-card-light);
}

.s-legend {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.seat-icon {
    width: 14px;
    height: 14px;
    border-radius: 3px;
}

.seat-icon.available { border: 1.5px solid var(--accent-pink); background: transparent; }
.seat-icon.selected { background: var(--accent-green); border: none; }
.seat-icon.booked { background: var(--section-booked); border: none; }

/* ─── Seat Grid ─── */
.seat-grid-container {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.screen-indicator {
    width: 70%;
    text-align: center;
    padding: 10px;
    margin-bottom: 20px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.05), transparent);
    border-top: 3px solid rgba(255,255,255,0.15);
    border-radius: 100% 100% 0 0 / 30px 30px 0 0;
    color: var(--text-secondary);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 3px;
}

.grid-wrapper {
    display: flex;
    gap: 8px;
    width: 100%;
    max-width: 420px;
}

.row-labels {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.row-label {
    height: 28px;
    width: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.seat-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 5px;
    flex: 1;
}

.seat {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5rem;
    font-weight: 700;
    position: relative;
}

.seat.available {
    border: 1.2px solid var(--accent-pink);
    color: var(--accent-pink);
    background: rgba(232, 128, 232, 0.05);
}

.seat.available:hover {
    background: rgba(232, 128, 232, 0.15);
}

.seat.selected {
    background: var(--accent-green);
    border: 1.2px solid var(--accent-green);
    color: var(--bg-main);
}

.seat.booked {
    background: var(--section-booked);
    cursor: not-allowed;
    color: transparent;
}

/* ─── Bottom Action Bar ─── */
.bottom-action-bar {
    padding: 14px 20px;
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
    background: rgba(28, 28, 30, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.total-info {
    display: flex;
    flex-direction: column;
}

.t-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.t-amount {
    font-size: 1.2rem;
    font-weight: 800;
}

.t-savings {
    font-size: 0.65rem;
    color: var(--accent-green);
    font-weight: 600;
}

.btn-proceed {
    background: white;
    color: black;
    border: none;
    padding: 12px 28px;
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-proceed:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-proceed:not(:disabled) {
    animation: subtlePulse 2s infinite;
}

@keyframes subtlePulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.3); }
    70% { box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

.btn-proceed:active {
    transform: scale(0.96);
}

/* ─── Reserving Overlay ─── */
.reserving-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
}

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

.loader-content {
    text-align: center;
}

.premium-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid var(--accent-green);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.reserving-text {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.reserving-sub {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ─── Details Bottom Sheet ─── */
.details-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 250;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.details-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.details-sheet {
    position: fixed;
    bottom: -100%;
    left: 0;
    width: 100%;
    max-width: 600px;
    right: 0;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: 24px 24px 0 0;
    z-index: 260;
    padding: 20px 24px;
    padding-bottom: calc(24px + env(safe-area-inset-bottom));
    transition: bottom 0.4s cubic-bezier(0.1, 1, 0.2, 1);
    max-height: 85vh;
    overflow-y: auto;
}

.details-sheet.active {
    bottom: 0;
}

.sheet-handle {
    width: 40px;
    height: 4px;
    background: #444;
    border-radius: 2px;
    margin: 0 auto 20px;
}

.sheet-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: white;
    margin-bottom: 4px;
}

.sheet-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Order Summary inside sheet */
.sheet-order-summary {
    background: var(--bg-card-light);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.sos-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
}

.sos-row + .sos-row {
    border-top: 1px solid rgba(255,255,255,0.05);
}

.sos-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.sos-val {
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
}

.sos-total {
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.1) !important;
}

.sos-total .sos-label {
    font-weight: 700;
    color: white;
    font-size: 0.9rem;
}

.sos-total .sos-val {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--accent-green);
}

/* Form fields */
.sheet-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
}

.sf-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sf-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sf-input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #333;
    border-radius: 10px;
    font-size: 1rem;
    color: white;
    background: var(--bg-main);
    outline: none;
    transition: border-color 0.2s;
    font-family: 'Inter', sans-serif;
}

.sf-input::placeholder {
    color: #555;
}

.sf-input:focus {
    border-color: var(--accent-pink);
}

.sf-phone-row {
    display: flex;
    gap: 10px;
}

.sf-country {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 14px;
    border: 1px solid #333;
    border-radius: 10px;
    background: var(--bg-card-light);
    font-weight: 600;
    font-size: 0.9rem;
    color: white;
    flex-shrink: 0;
}

.flag {
    width: 20px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px;
}

.sf-phone {
    flex: 1;
}

.btn-confirm-booking {
    width: 100%;
    background: white;
    color: #111;
    border: none;
    padding: 16px;
    border-radius: 14px;
    font-size: 1.05rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.3px;
}

.btn-confirm-booking:active {
    transform: scale(0.97);
}

.sheet-terms {
    text-align: center;
    font-size: 0.75rem;
    color: #555;
    margin-top: 16px;
    line-height: 1.5;
}

.sheet-terms a {
    color: #777;
    text-decoration: underline;
}

/* ─── Processing Overlay ─── */
.processing-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    z-index: 400;
    display: none;
    align-items: center;
    justify-content: center;
}

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

.proc-spinner {
    border-top-color: white;
}