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

:root {
    --bg-dark: #0d0d0d;
    --bg-card: #1a1a1a;
    --bg-hover: #252525;
    --gold: #c9a227;
    --gold-light: #e6c65c;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #666666;
    --border: #333333;
    --success: #27ae60;
    --error: #e74c3c;
    --vip-color: #e74c3c;
    --parter-color: #3498db;
    --balcony-color: #27ae60;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

.header {
    background: linear-gradient(180deg, rgba(201, 162, 39, 0.08) 0%, transparent 100%);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 1px;
}

.logo span {
    color: var(--text-primary);
}

.event-info {
    text-align: center;
    flex: 1;
}

.event-title {
    font-size: 22px;
    font-weight: 700;
}

.event-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
}

.hero {
    text-align: center;
    padding: 40px 0 30px;
}

.hero h1 {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 8px;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
    padding-bottom: 40px;
}

.scheme-container {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border);
}

.scheme-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.scheme-title {
    font-size: 18px;
    font-weight: 600;
}

.scheme-legend {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

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

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

.legend-dot.vip { background: var(--vip-color); }
.legend-dot.parter { background: var(--parter-color); }
.legend-dot.balcony { background: var(--balcony-color); }
.legend-dot.selected { background: var(--gold); }
.legend-dot.sold { background: var(--text-muted); opacity: 0.5; }

.sector-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.sector-tab {
    padding: 10px 16px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.sector-tab:hover {
    border-color: var(--gold);
    color: var(--text-primary);
}

.sector-tab.active {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--bg-dark);
    font-weight: 600;
}

.stage {
    background: linear-gradient(180deg, var(--bg-hover) 0%, transparent 100%);
    padding: 16px;
    text-align: center;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.stage-label {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.rows-container {
    overflow-x: auto;
    padding: 8px 0;
}

.rows-container::-webkit-scrollbar {
    height: 6px;
}

.rows-container::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-radius: 3px;
}

.rows-container::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.scheme-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: fit-content;
}

.sector-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 16px;
}

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

.sector-title {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.seat-row {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.row-label {
    font-size: 10px;
    color: var(--text-muted);
    margin-right: 6px;
    min-width: 20px;
    text-align: right;
    flex-shrink: 0;
}

.seat-line {
    display: flex;
    align-items: center;
}

.seat-section {
    display: flex;
    align-items: center;
}

.seat-section.left {
    justify-content: flex-start;
}

.seat-section.right {
    justify-content: flex-end;
}

.parter-wide-gap {
    width: 80px;
    flex-shrink: 0;
}

.aisle {
    width: 24px;
    flex-shrink: 0;
}

.aisle-wide {
    width: 48px;
    flex-shrink: 0;
}

.seat-btn {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: 3px;
    background: var(--border);
    cursor: pointer;
    font-size: 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    border: none;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
}

.seat-btn:hover:not(.sold):not(:disabled) {
    transform: scale(1.15);
    background: var(--gold);
    color: var(--bg-dark);
}

.seat-btn.selected {
    background: var(--gold);
    color: #fff;
    font-weight: 700;
}

.seat-btn.sold, .seat-btn:disabled {
    background: var(--text-muted);
    opacity: 0.35;
    cursor: not-allowed;
    color: var(--text-primary);
}

.cart-sidebar {
    position: sticky;
    top: 90px;
    align-self: start;
}

.cart-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border);
}

.cart-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.cart-empty {
    text-align: center;
    padding: 24px 0;
    color: var(--text-muted);
    font-size: 14px;
}

.cart-items {
    margin-bottom: 16px;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-seat {
    color: var(--text-primary);
}

.cart-price {
    color: var(--gold);
    font-weight: 600;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    margin-top: 8px;
    border-top: 2px solid var(--border);
}

.stage-promo {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.stage-promo.hidden {
    display: none;
}

.stage-promo .promo-row {
    margin-top: 0;
}

#book-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    border: none;
    border-radius: 10px;
    color: var(--bg-dark);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#book-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(201, 162, 39, 0.3);
}

#book-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.user-form {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.user-form.hidden {
    display: none;
}

.hidden {
    display: none !important;
}

.form-group {
    margin-bottom: 12px;
}

.form-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

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

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

.form-input::placeholder {
    color: var(--text-muted);
}

.phone-wrapper {
    position: relative;
}

.phone-prefix {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

.phone-wrapper .form-input {
    padding-left: 36px;
}

.promo-row {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.promo-input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    box-sizing: border-box;
}

.promo-btn {
    padding: 10px 16px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
    white-space: nowrap;
}

.promo-btn:hover {
    border-color: var(--gold);
}

.promo-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.promo-applied {
    display: block;
    padding: 10px 14px;
    background: rgba(39, 174, 96, 0.1);
    border: 1px solid var(--success);
    border-radius: 8px;
    color: var(--success);
    font-size: 13px;
    text-align: center;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.form-actions .btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    border: none;
    border-radius: 10px;
    color: var(--bg-dark);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    text-align: center;
    display: block;
}

.form-actions .btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(201, 162, 39, 0.3);
}

.form-actions .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.form-actions .btn-secondary {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

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

.processing-block {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.processing-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 12px;
    text-align: center;
}

.processing-info {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    text-align: center;
}

.processing-timer {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 20px;
    font-variant-numeric: tabular-nums;
}

#pay-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    border: none;
    border-radius: 10px;
    color: var(--bg-dark);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 20px;
    text-transform: uppercase;
}

#pay-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(201, 162, 39, 0.3);
}

#pay-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#clear-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    margin-top: 10px;
    transition: all 0.2s;
}

#clear-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.btn-secondary {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    margin-top: 10px;
    transition: all 0.2s;
}

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

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    z-index: 1000;
    font-size: 14px;
    animation: slideUp 0.3s ease;
}

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

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

@keyframes slideUp {
    from {
        transform: translateX(-50%) translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .cart-sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        z-index: 100;
        padding: 12px 16px 20px;
        background: linear-gradient(180deg, transparent 0%, var(--bg-dark) 30%);
    }
    
    .cart-card {
        border-radius: 16px 16px 0 0;
        max-height: 50vh;
        overflow-y: auto;
    }
    
    .cart-total-label {
        font-size: 13px;
    }
    
    .cart-total-value {
        font-size: 20px;
    }
    
    .seat-btn {
        width: 22px;
        height: 22px;
        min-width: 22px;
        font-size: 7px;
    }
    
    .aisle {
        width: 20px;
    }
    
    .aisle-wide {
        width: 40px;
    }
}

@media (max-width: 500px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .event-title {
        font-size: 18px;
    }
    
    .scheme-container {
        padding: 16px;
        border-radius: 12px;
    }
    
    .scheme-title {
        font-size: 16px;
    }
    
    .seat-btn {
        width: 18px;
        height: 18px;
        min-width: 18px;
    }
    
    .aisle {
        width: 16px;
    }
    
    .aisle-wide {
        width: 32px;
    }
    
    .parter-wide-gap {
        width: 40px;
    }
    
    .row-label {
        font-size: 9px;
        min-width: 16px;
        margin-right: 4px;
    }
}