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

:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #0088cc;
    --tg-theme-button-color: #0088cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f5f5f5;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    line-height: 1.6;
    padding: 8px;
    /* Предотвращаем случайный zoom на мобильных */
    touch-action: pan-y pinch-zoom;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    position: relative;
}

.search-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--tg-theme-hint-color);
    border-radius: 8px;
    font-size: 16px;
    background-color: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: var(--tg-theme-link-color);
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--tg-theme-secondary-bg-color);
    border-top: 2px solid var(--tg-theme-link-color);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.loading-spinner.hidden {
    display: none;
}

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

.results-container {
    flex: 1;
    overflow-y: auto;
    border-radius: 8px;
}

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--tg-theme-hint-color);
    text-align: center;
    padding: 20px;
}

.product-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    margin-bottom: 8px;
    background-color: var(--tg-theme-secondary-bg-color);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    border: 1px solid transparent;

    /* Критически важно для мобильных устройств */
    touch-action: manipulation; /* Устраняет 300ms задержку при тапе на мобильных */
    -webkit-tap-highlight-color: transparent; /* Убирает серую подсветку на iOS */
    user-select: none; /* Предотвращает выделение текста при тапе */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.product-item:active {
    opacity: 0.7;
    transform: scale(0.98); /* Визуальный фидбек при тапе */
    background-color: var(--tg-theme-link-color);
    color: var(--tg-theme-button-text-color);
}

.product-item:hover {
    border-color: var(--tg-theme-link-color);
}

.product-image {
    width: 60px;
    height: 60px;
    border-radius: 6px;
    object-fit: cover;
    background-color: var(--tg-theme-hint-color);
    flex-shrink: 0;
}

.product-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
}

.product-name {
    font-weight: 600;
    color: var(--tg-theme-text-color);
    word-break: break-word;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-description {
    font-size: 13px;
    color: var(--tg-theme-hint-color);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
    margin-bottom: 4px;
}

.product-category {
    font-size: 12px;
    color: var(--tg-theme-link-color);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.error-message {
    padding: 12px;
    background-color: #fee;
    color: #c33;
    border-radius: 8px;
    margin-bottom: 8px;
    border-left: 4px solid #c33;
}

/* Оверлей для показа при выборе продукта */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.overlay.hidden {
    display: none;
}

/* Большой центрированный спиннер */
.overlay-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--tg-theme-button-color);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Responsive design */
@media (max-width: 480px) {
    .container {
        height: 100vh;
        padding: 4px;
    }

    .product-item {
        gap: 10px;
        padding: 10px;
        margin-bottom: 6px;
    }

    .product-image {
        width: 50px;
        height: 50px;
    }

    .search-input {
        font-size: 14px;
        padding: 8px 10px;
    }
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    :root {
        --tg-theme-bg-color: #212121;
        --tg-theme-text-color: #ffffff;
        --tg-theme-hint-color: #666666;
        --tg-theme-link-color: #36a9e1;
        --tg-theme-button-color: #0088cc;
        --tg-theme-button-text-color: #ffffff;
        --tg-theme-secondary-bg-color: #2c2c2c;
    }
}