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

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #242424;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --accent: #2481cc;
    --accent-hover: #1a6ba8;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --border: #333333;
    --shadow: rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Индикатор статуса API */
.api-status {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 8px;
    text-align: center;
    font-size: 12px;
    z-index: 1000;
    background: var(--warning);
    color: white;
}

.api-status.connected {
    background: var(--success);
}

.api-status.error {
    background: var(--error);
}

.app-container {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    background: var(--bg-primary);
}

/* Навигация */
.nav-bar {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-btn {
    flex: 1;
    padding: 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
}

.nav-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

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

/* Страницы */
.page {
    display: none;
    padding: 20px;
}

.page.active {
    display: block;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 600;
}

/* Загрузка */
.loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

/* Список заказов */
.orders-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.order-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.order-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    transform: translateY(-2px);
}

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

.order-id {
    font-weight: 600;
    color: var(--text-primary);
}

.order-status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.order-status.pending {
    background: rgba(255, 152, 0, 0.2);
    color: var(--warning);
}

.order-status.processing {
    background: rgba(33, 150, 243, 0.2);
    color: #2196f3;
}

.order-status.completed {
    background: rgba(76, 175, 80, 0.2);
    color: var(--success);
}

.order-status.failed {
    background: rgba(244, 67, 54, 0.2);
    color: var(--error);
}

.order-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}

.order-platform {
    font-weight: 600;
    color: var(--accent);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.order-service {
    color: var(--text-primary);
    font-weight: 500;
}

/* Платформы */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.platform-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.platform-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.platform-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Категории */
.categories-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.category-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    transform: translateX(4px);
}

/* Услуги */
.services-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.service-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
}

.service-name {
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
}

.service-price {
    font-weight: 600;
    color: var(--accent);
    white-space: nowrap;
    margin-left: 12px;
}

/* Форма */
.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-step h2 {
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

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

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

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-tertiary);
}

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

/* Кнопки */
.btn-back {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    margin-bottom: 16px;
    transition: all 0.2s;
}

.btn-back:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    color: var(--accent);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 20px;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Превью цены */
.price-preview {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    text-align: center;
}

.price-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.price-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
}

/* Адаптивность */
@media (max-width: 480px) {
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .page {
        padding: 16px;
    }
    
    .page-header h1 {
        font-size: 20px;
    }
}