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

:root {
    --color-bg: #0f0f0f;
    --color-surface: #1a1a1a;
    --color-surface-alt: #242424;
    --color-primary: #e50914;
    --color-primary-hover: #c1070f;
    --color-text: #f0f0f0;
    --color-text-muted: #999999;
    --color-border: #2e2e2e;
    --font-main: 'Segoe UI', Arial, sans-serif;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 40px;
    --container-width: 1280px;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: var(--container-width);
    width: 100%;
    margin: 0 auto;
}

img { display: block; max-width: 100%; }
ul { list-style: none; }

a {
    color: inherit;
    text-decoration: none;
    &:hover { color: var(--color-primary); }
}

button {
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 0.875rem;
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    transition: background-color 0.2s ease, color 0.2s ease;
}

input {
    font-family: var(--font-main);
    font-size: 0.875rem;
    border: none;
    outline: none;
    background: none;
    color: var(--color-text);
}

.hidden { display: none !important; }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    & h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: 0.02em; }
}

.filters { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; }

.filter-btn {
    background-color: var(--color-surface-alt);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    &:hover { background-color: var(--color-surface); color: var(--color-text); }
    &.active { background-color: var(--color-primary); color: #fff; border-color: var(--color-primary); }
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-lg);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.media-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    animation: fadeInUp 0.3s ease both;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    &:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.5); }

    & .media-card__link {
        display: flex;
        flex-direction: column;
        height: 100%;
        color: var(--color-text);
        &:hover { color: var(--color-text); }
    }

    & .media-card__poster {
        position: relative;
        aspect-ratio: 2 / 3;
        overflow: hidden;
        background-color: var(--color-surface-alt);
        & img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
        &:hover img { transform: scale(1.04); }
    }

    & .media-card__badge {
        position: absolute;
        bottom: var(--spacing-sm);
        left: var(--spacing-sm);
        background-color: rgba(0,0,0,0.75);
        color: #f5c518;
        font-size: 0.75rem;
        font-weight: 700;
        padding: 2px 6px;
        border-radius: var(--radius-sm);
    }

    & .media-card__info {
        padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    & .media-card__title {
        font-size: 0.875rem;
        font-weight: 600;
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    & .media-card__date { font-size: 0.75rem; color: var(--color-text-muted); }
}

.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;

    & .header-inner {
        max-width: var(--container-width);
        margin: 0 auto;
        padding: 0 var(--spacing-md);
        height: 64px;
        display: flex;
        align-items: center;
        gap: var(--spacing-xl);
    }

    & .logo {
        font-size: 1.4rem;
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: 0.03em;
        white-space: nowrap;
        flex-shrink: 0;
        &:hover { color: var(--color-primary-hover); }
    }

    & .main-nav {
        flex: 1;
        & ul { display: flex; gap: var(--spacing-lg); }
        & a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: color 0.2s ease;
            &:hover, &.active { color: var(--color-text); }
        }
    }

    & .search-form {
        display: flex;
        align-items: center;
        background-color: var(--color-surface-alt);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: var(--spacing-xs) var(--spacing-sm);
        gap: var(--spacing-sm);
        transition: border-color 0.2s ease;
        &:focus-within { border-color: var(--color-primary); }

        & input {
            width: 220px;
            background: none;
            color: var(--color-text);
            font-size: 0.875rem;
            &::placeholder { color: var(--color-text-muted); }
        }

        & button {
            background-color: var(--color-primary);
            color: #fff;
            font-size: 0.8rem;
            padding: var(--spacing-xs) var(--spacing-sm);
            flex-shrink: 0;
            &:hover { background-color: var(--color-primary-hover); }
        }
    }

    & .back-link {
        font-size: 0.875rem;
        color: var(--color-text-muted);
        white-space: nowrap;
        flex-shrink: 0;
        transition: color 0.2s ease;
        &:hover { color: var(--color-text); }
    }
}

.site-footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    & a { color: var(--color-primary); }
}

.focus-main { max-width: var(--container-width); width: 100%; margin: 0 auto; padding: 0; gap: 0; }

.focus-backdrop {
    width: 100%;
    height: 320px;
    background-size: cover;
    background-position: center top;
    background-color: var(--color-surface);
    position: relative;
    &::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, rgba(15,15,15,0.2), rgba(15,15,15,1));
    }
}

.focus-content {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-md);
    align-items: flex-start;
}

.focus-poster {
    flex-shrink: 0;
    width: 220px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.6);
    margin-top: -80px;
    position: relative;
    z-index: 1;
    & img { width: 100%; height: auto; }
}

.focus-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    & .focus-title { font-size: 2rem; font-weight: 800; line-height: 1.2; }
    & .focus-tagline { font-size: 1rem; color: var(--color-text-muted); font-style: italic; }
}

.focus-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    & .focus-meta__item { font-size: 0.875rem; color: var(--color-text-muted); }
    & .focus-meta__rating { color: #f5c518; font-weight: 700; font-size: 1rem; }
}

.focus-genres {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    & .genre-tag {
        background-color: var(--color-surface-alt);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        padding: 2px var(--spacing-sm);
        font-size: 0.8rem;
        color: var(--color-text-muted);
    }
}

.focus-overview {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    & h2 { font-size: 1.1rem; font-weight: 700; }
    & p { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7; max-width: 720px; }
}

.focus-casting {
    padding: var(--spacing-xl) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    & h2 { font-size: 1.25rem; font-weight: 700; }
}

.casting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.actor-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    text-align: center;
    animation: fadeInUp 0.3s ease both;
    & img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; background-color: var(--color-surface-alt); }
    & .actor-card__info {
        padding: var(--spacing-sm);
        & .actor-card__name { font-size: 0.8rem; font-weight: 600; line-height: 1.3; }
        & .actor-card__role { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 2px; }
    }
}

.focus-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    text-align: center;
    min-height: 300px;
    color: var(--color-text-muted);
    & a { color: var(--color-primary); }
}

@media (max-width: 1024px) {
    .cards-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

@media (max-width: 900px) {
    .site-header {
        & .header-inner { gap: var(--spacing-md); }
        & .search-form input { width: 160px; }
    }
    .focus-poster { width: 180px; }
    .focus-details .focus-title { font-size: 1.6rem; }
}

@media (max-width: 768px) {
    main { gap: var(--spacing-lg); padding: var(--spacing-lg) var(--spacing-sm); }
    .cards-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: var(--spacing-md); }
    .section-header { flex-direction: column; align-items: flex-start; & h2 { font-size: 1.25rem; } }
    .filter-btn { font-size: 0.8rem; padding: var(--spacing-xs) var(--spacing-sm); }

    .site-header {
        & .header-inner { height: auto; flex-wrap: wrap; padding: var(--spacing-sm) var(--spacing-md); gap: var(--spacing-sm); }
        & .main-nav ul { gap: var(--spacing-md); }
        & .search-form { width: 100%; order: 3; & input { width: 100%; flex: 1; } }
    }

    .focus-backdrop { height: 200px; }
    .focus-content { flex-direction: column; align-items: center; padding: var(--spacing-lg) var(--spacing-md); }
    .focus-poster { width: 160px; margin-top: -60px; }
    .focus-details {
        width: 100%;
        & .focus-title { font-size: 1.4rem; text-align: center; }
        & .focus-tagline { text-align: center; }
    }
    .focus-meta, .focus-genres { justify-content: center; }
}

@media (max-width: 480px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-sm); }
    .section-header h2 { font-size: 1.1rem; }
    .filters { gap: var(--spacing-xs); }

    .site-header {
        & .main-nav { display: none; }
        & .header-inner { justify-content: space-between; }
    }

    .media-card {
        & .media-card__title { font-size: 0.8rem; }
        & .media-card__date { font-size: 0.7rem; }
    }

    .casting-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
    .focus-details .focus-title { font-size: 1.2rem; }
}