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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--tg-theme-bg-color, #f0f0f0);
    color: var(--tg-theme-text-color, #000);
    line-height: 1.6;
}

.container {
    max-width: 100vw;
    margin: 0 auto;
    padding: 20px 16px;
}

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

header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
    color: var(--tg-theme-button-color, #007AFF);
}

header p {
    color: var(--tg-theme-hint-color, #666);
    font-size: 0.9rem;
}

.search-section {
    margin-bottom: 30px;
}

.search-container {
    display: flex;
    gap: 10px;
    background: var(--tg-theme-secondary-bg-color, #fff);
    border-radius: 12px;
    padding: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

#searchInput {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--tg-theme-text-color, #000);
    outline: none;
}

#searchInput::placeholder {
    color: var(--tg-theme-hint-color, #999);
}

#searchBtn {
    padding: 12px 16px;
    background: var(--tg-theme-button-color, #007AFF);
    color: var(--tg-theme-button-text-color, #fff);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: opacity 0.2s;
}

#searchBtn:hover {
    opacity: 0.8;
}

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

.loading {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--tg-theme-hint-color, #ddd);
    border-top: 3px solid var(--tg-theme-button-color, #007AFF);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

.results-container {
    display: grid;
    gap: 16px;
}

.video-item {
    display: flex;
    background: var(--tg-theme-secondary-bg-color, #fff);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.video-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.video-thumbnail {
    width: 120px;
    height: 90px;
    object-fit: cover;
    flex-shrink: 0;
}

.video-info {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.video-title {
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--tg-theme-text-color, #000);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.video-channel {
    font-size: 0.85rem;
    color: var(--tg-theme-hint-color, #666);
    margin-bottom: 4px;
}

.video-duration {
    font-size: 0.8rem;
    color: var(--tg-theme-hint-color, #888);
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    align-self: flex-start;
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--tg-theme-hint-color, #666);
}

.hidden {
    display: none !important;
}

.converting {
    opacity: 0.6;
    pointer-events: none;
}

.converting::after {
    content: ">=25@B0F8O...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--tg-theme-button-color, #007AFF);
    color: var(--tg-theme-button-text-color, #fff);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
}

@media (max-width: 480px) {
    .video-item {
        flex-direction: column;
    }
    
    .video-thumbnail {
        width: 100%;
        height: 180px;
    }
    
    .container {
        padding: 16px 12px;
    }
}