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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: #0f0f0f;
    color: #f1f1f1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 2rem;
    background: #1a1a1a;
    border-bottom: 1px solid #2a2a2a;
    flex-wrap: wrap;
}

header h1 a {
    color: #ff4444;
    text-decoration: none;
    font-size: 1.4rem;
}

.search {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    max-width: 640px;
}

.search input {
    flex: 1;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    border: 1px solid #3a3a3a;
    background: #121212;
    color: #f1f1f1;
    font-size: 1rem;
}

.search input:focus {
    outline: none;
    border-color: #ff4444;
}

.search button {
    padding: 0.6rem 1.4rem;
    border-radius: 999px;
    border: none;
    background: #ff4444;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
}

.search button:hover {
    background: #e03e3e;
}

main {
    flex: 1;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.hint {
    text-align: center;
    color: #888;
    padding: 4rem 1rem;
}

.error {
    text-align: center;
    color: #ff6b6b;
    padding: 4rem 1rem;
}

.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    max-height: 480px;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.video-title {
    font-size: 1.25rem;
    margin: 1rem 0 0.5rem;
}

.video-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    color: #aaa;
    font-size: 0.9rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #2a2a2a;
}

.video-description {
    white-space: pre-wrap;
    color: #ddd;
    font-size: 0.9rem;
    margin-top: 1rem;
    line-height: 1.5;
}

footer {
    text-align: center;
    padding: 1.5rem;
    color: #666;
    border-top: 1px solid #2a2a2a;
    font-size: 0.85rem;
}