/* Mini App (Telegram WebView) — внешний файл, т.к. inline-стили могут блокироваться CSP */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    min-height: 100vh;
}

.app {
    padding: 20px;
    max-width: 400px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.header h1 {
    font-size: 24px;
    margin-bottom: 8px;
}

.header p {
    color: var(--tg-theme-hint-color, #999);
    font-size: 14px;
}

.user-card {
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
}

.user-card .avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--tg-theme-button-color, #3390ec);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tg-theme-button-text-color, #fff);
    font-size: 24px;
    margin: 0 auto 12px;
}

.user-card .name {
    text-align: center;
    font-weight: 600;
    font-size: 18px;
}

.user-card .id {
    text-align: center;
    color: var(--tg-theme-hint-color, #999);
    font-size: 12px;
    margin-top: 4px;
}

.product-card {
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.product-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.product-card .description {
    color: var(--tg-theme-hint-color, #999);
    font-size: 14px;
    margin-bottom: 16px;
}

.product-card .price {
    font-size: 24px;
    font-weight: 700;
    color: var(--tg-theme-button-color, #3390ec);
}

.product-card .price span {
    font-size: 14px;
    font-weight: 400;
}

.btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

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

.btn-primary {
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #fff);
}

.btn:active:not(:disabled) {
    opacity: 0.8;
}

.status {
    text-align: center;
    padding: 16px;
    border-radius: 12px;
    margin-top: 20px;
}

.status.success {
    background: rgba(52, 199, 89, 0.1);
    color: #34c759;
}

.status.error {
    background: rgba(255, 59, 48, 0.1);
    color: #ff3b30;
}

.status.loading {
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    color: var(--tg-theme-hint-color, #999);
}

.status.warning {
    background: rgba(255, 149, 0, 0.1);
    color: #ff9500;
    margin-top: 20px;
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.tab {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    color: var(--tg-theme-text-color, #000);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.tab.active {
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #fff);
}

.transfer-card {
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.transfer-card h3 { font-size: 18px; margin-bottom: 12px; }
.transfer-card .hint { color: var(--tg-theme-hint-color, #999); font-size: 12px; margin-bottom: 12px; }

.input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 16px;
    background: var(--tg-theme-bg-color, #fff);
    color: var(--tg-theme-text-color, #000);
}

.debug {
    margin-top: 30px;
    padding: 12px;
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    border-radius: 8px;
    font-size: 11px;
    font-family: monospace;
    word-break: break-all;
    color: var(--tg-theme-hint-color, #999);
}

.auth-section {
    margin-bottom: 16px;
}

.auth-badge {
    background: rgba(255, 149, 0, 0.15);
    color: #ff9500;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
}

.btn-secondary {
    background: var(--tg-theme-secondary-bg-color, #e5e5e5);
    color: var(--tg-theme-text-color, #000);
    margin-top: 8px;
}

.balance-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.balance-label {
    font-size: 12px;
    opacity: 0.85;
}

.balance-value {
    font-size: 28px;
    font-weight: 700;
}

.balance-user {
    font-size: 12px;
    opacity: 0.75;
}

.ton-balance {
    background: linear-gradient(135deg, #0098EA 0%, #00D4FF 100%);
}

.wallet-address {
    font-family: monospace;
    font-size: 11px;
    opacity: 0.9;
}

.disconnect-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 11px;
    cursor: pointer;
    margin-top: 8px;
}

.disconnect-btn:hover {
    background: rgba(255,255,255,0.3);
}

.qr-card {
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
}

.qr-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.qr-actions .btn {
    padding: 10px;
    font-size: 14px;
}

.qr-image {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 12px 0;
}

.qr-image img {
    width: 220px;
    height: 220px;
    border-radius: 8px;
    background: #fff;
    padding: 8px;
}

#qr-reader {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
}