.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 28px 0;
    background: rgba(18, 18, 18, 0.3);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: inset 0 -1px 0 0 rgba(255, 255, 255, 0.08);
}

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

.logo h1 {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.city-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.3px;
    color: var(--text-secondary);
    box-shadow: inset 0 0 0 1px var(--glow);
}

.city-badge svg {
    width: 14px;
    height: 14px;
    opacity: 0.6;
}

.city-selector {
    max-width: 480px;
    margin: 120px auto;
}

.city-selector h2 {
    font-size: 24px;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-bottom: 48px;
    color: var(--text-primary);
    text-align: center;
}

.city-form {
    background: rgba(18, 18, 18, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 48px;
    border-radius: 20px;
    box-shadow: inset 0 0 0 1px var(--glow);
}

.city-search-wrapper {
    position: relative;
    margin-bottom: 24px;
}

.city-suggestions {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 12px;
    margin-top: 4px;
    max-height: 320px;
    overflow-y: auto;
    z-index: 10000;
    display: none;
    box-shadow: inset 0 0 0 1px var(--glow), 0 8px 32px rgba(0, 0, 0, 0.4);
    pointer-events: auto;
}

.city-suggestions.active {
    display: block;
}

.city-suggestion-item {
    padding: 14px 18px;
    cursor: pointer;
    transition: all 0.15s;
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.3px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--glow);
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
}

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

.city-suggestion-item:hover {
    background: var(--glow);
    color: var(--text-primary);
}

.city-suggestion-item.highlighted {
    background: var(--glow);
    color: var(--accent);
}

.models-section {
    padding: 64px 0 140px;
}

.section-title {
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-bottom: 48px;
    color: var(--text-primary);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.model-card {
    display: block;
    background: rgba(18, 18, 18, 0.4);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    box-shadow: inset 0 0 0 1px var(--glow);
    text-decoration: none;
    color: inherit;
}

.model-card:hover {
    box-shadow: inset 0 0 0 1px var(--accent), 0 0 32px rgba(0, 209, 255, 0.12);
    transform: translateY(-2px);
}

.model-photo {
    width: 100%;
    height: 360px;
    overflow: hidden;
    background: var(--glow);
    position: relative;
}

.model-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.model-photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, 
        rgba(0, 209, 255, 0.15) 0%, 
        rgba(18, 18, 18, 0.8) 50%,
        rgba(0, 209, 255, 0.1) 100%
    );
    position: relative;
    overflow: hidden;
}

.model-photo-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at center,
        rgba(0, 209, 255, 0.1) 0%,
        transparent 70%
    );
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.model-photo-placeholder span {
    font-size: 96px;
    font-weight: 300;
    letter-spacing: 0;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    z-index: 1;
    text-shadow: 0 0 40px rgba(0, 209, 255, 0.3);
}

.model-info {
    padding: 24px;
}

.model-name {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.4px;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.model-age {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 15px;
}

.model-description {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.3px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.model-prices {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.price-btn {
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--glow);
    color: var(--text-secondary);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.price-btn:hover {
    background: rgba(0, 209, 255, 0.1);
    color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.model-status {
    display: flex;
    justify-content: flex-end;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.3px;
    background: var(--glow);
    color: var(--text-secondary);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.status-badge.available {
    color: var(--accent);
    background: rgba(0, 209, 255, 0.08);
    box-shadow: inset 0 0 0 1px rgba(0, 209, 255, 0.2);
}

.status-badge svg {
    width: 12px;
    height: 12px;
}

.empty-state {
    text-align: center;
    padding: 120px 32px;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.3px;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(18, 18, 18, 0.4);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    display: flex;
    justify-content: space-around;
    padding: 20px 0 calc(20px + env(safe-area-inset-bottom));
    z-index: 1000;
    box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.08);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.2s;
    padding: 8px 24px;
    border-radius: 12px;
}

.nav-item.active {
    color: var(--accent);
}

.nav-item:hover {
    color: var(--text-primary);
    background: var(--glow);
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
}

.nav-item.active .nav-icon svg {
    stroke: var(--accent);
}

.nav-label {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.3px;
}

#orderModal .modal-content {
    max-width: 560px;
}

#orderDetails {
    background: var(--glow);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 32px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

#orderDetails h3 {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.4px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

#orderDetails p {
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.3px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.payment-methods {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.payment-option {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    padding: 16px;
    background: var(--glow);
    border-radius: 12px;
    transition: all 0.2s;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.3px;
    color: var(--text-secondary);
}

.payment-option:hover {
    background: rgba(0, 209, 255, 0.08);
    box-shadow: inset 0 0 0 1px var(--accent);
    color: var(--accent);
}

.payment-option input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--accent);
}

.payment-option input[type="radio"]:checked ~ span {
    color: var(--accent);
}

#paymentDetails {
    background: var(--glow);
    padding: 24px;
    border-radius: 12px;
    margin: 24px 0;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

#paymentDetails h4 {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.3px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

#paymentDetails p {
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.3px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.6;
}

#receiptUpload {
    margin: 24px 0;
}

#receiptUpload input[type="file"] {
    padding: 14px 18px;
    background: rgba(18, 18, 18, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: none;
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.3px;
    box-shadow: inset 0 0 0 1px var(--glow);
    cursor: pointer;
}

#receiptUpload input[type="file"]::file-selector-button {
    padding: 8px 16px;
    background: rgba(0, 209, 255, 0.1);
    border: none;
    border-radius: 6px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
    cursor: pointer;
    margin-right: 12px;
    transition: all 0.2s;
}

#receiptUpload input[type="file"]::file-selector-button:hover {
    background: rgba(0, 209, 255, 0.15);
}

.modal-content h2 {
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-bottom: 32px;
    color: var(--text-primary);
}

@media (max-width: 1024px) {
    .models-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .container {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .models-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
        padding: 20px;
    }
    
    .header-logo {
        font-size: 18px;
    }
    
    .header-city {
        font-size: 13px;
    }
    
    .city-form {
        padding: 24px 20px;
        margin: 0 16px;
    }
    
    .city-form h2 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    input[type="text"] {
        font-size: 14px;
        padding: 12px 16px;
    }
    
    .city-suggestions {
        max-height: 200px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .section-title {
        font-size: 18px;
        margin-bottom: 24px;
    }
    
    .model-card {
        border-radius: 16px;
    }
    
    .model-photo {
        height: 280px;
    }
    
    .model-info {
        padding: 16px;
    }
    
    .model-name {
        font-size: 15px;
    }
    
    .model-city {
        font-size: 12px;
    }
    
    .bottom-nav {
        padding: 0;
    }
    
    .nav-item {
        font-size: 11px;
        padding: 12px 8px;
    }
    
    .nav-icon {
        width: 20px;
        height: 20px;
    }
    
    .modal-content {
        padding: 28px 20px;
        margin: 20px;
        max-width: calc(100% - 40px);
    }
    
    .modal-content h2 {
        font-size: 18px;
    }
    
    .btn {
        font-size: 14px;
        padding: 12px 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .city-form {
        margin: 0 12px;
        padding: 20px 16px;
    }
    
    .model-photo {
        height: 240px;
    }
    
    .bottom-nav {
        flex-direction: row;
        justify-content: space-around;
    }
    
    .nav-item {
        flex: 1;
        font-size: 10px;
        padding: 10px 4px;
    }
}