:root {
    --bg: #111312;
    --panel: #1a1d1b;
    --panel-soft: #222722;
    --text: #f4f7f2;
    --muted: #aeb7ad;
    --line: rgba(255, 255, 255, 0.11);
    --accent: #26d3a2;
    --accent-dark: #16a77f;
    --warm: #ffbd5a;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(circle at top left, rgba(38, 211, 162, 0.12), transparent 26rem),
        linear-gradient(180deg, #151816 0%, var(--bg) 36%);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Header */
.site-header {
    background: rgba(17, 19, 18, 0.94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
}

.navbar-brand {
    color: var(--text);
    font-weight: 800;
    letter-spacing: 0;
}

.navbar-brand:hover,
.navbar-brand:focus {
    color: var(--text);
}

.navbar-toggler {
    border-color: var(--line);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.15rem rgba(38, 211, 162, 0.35);
}

.navbar-toggler-icon {
    filter: invert(1) grayscale(1);
}

.sort-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.btn-sort,
.btn-install {
    min-height: 2.6rem;
    border-radius: 8px;
    font-weight: 700;
}

.btn-sort {
    color: var(--text);
    border: 1px solid var(--line);
    background: var(--panel);
}

.btn-sort:hover,
.btn-sort.active {
    color: #07110d;
    border-color: var(--accent);
    background: var(--accent);
}

.btn-install {
    align-items: center;
    justify-content: center;
    color: #17110a;
    border: 1px solid var(--warm);
    background: var(--warm);
}

.btn-install:hover,
.btn-install:focus {
    color: #17110a;
    border-color: #ffd28c;
    background: #ffd28c;
}

/* Grid — desktop: auto-fill with min 160px */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
}

/* Card */
.post-card {
    overflow: hidden;
    min-width: 0;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.post-card:hover {
    transform: translateY(-3px);
    border-color: rgba(38, 211, 162, 0.45);
    background: var(--panel-soft);
}

/* Thumbnail fills 16:9, image covers it exactly */
.thumb-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, #20261f, #121512);
}

.thumb-wrap img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.thumb-placeholder {
    display: grid;
    width: 100%;
    height: 100%;
    place-items: center;
    color: var(--muted);
    font-weight: 800;
}

.media-pill,
.views-pill {
    position: absolute;
    top: 0.5rem;
    padding: 0.2rem 0.45rem;
    color: #09130f;
    background: rgba(38, 211, 162, 0.92);
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 800;
}

.media-pill {
    left: 0.5rem;
}

.views-pill {
    right: 0.5rem;
    background: rgba(255, 189, 90, 0.92);
}

/* Card body — only Watch Now, no caption */
.post-body {
    padding: 0.6rem;
}

.link-actions {
    display: grid;
    gap: 0.4rem;
}

.btn-watch {
    width: 100%;
    min-height: 2.2rem;
    color: #06120e;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.85rem;
}

.btn-watch:hover,
.btn-watch:focus {
    color: #06120e;
    background: #5ce5bd;
    border-color: #5ce5bd;
}

.btn-share {
    width: 100%;
    min-height: 2rem;
    margin-top: 0.35rem;
    color: var(--muted);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.78rem;
    cursor: pointer;
}

.btn-share:hover,
.btn-share:focus {
    color: var(--text);
    border-color: rgba(255,255,255,0.3);
    background: var(--panel-soft);
}

.loading-state,
.empty-state {
    padding: 2.5rem 1rem;
    color: var(--muted);
    text-align: center;
}

.scroll-sentinel {
    height: 1px;
}

/* Tablet / collapsed navbar */
@media (max-width: 991.98px) {
    .navbar-collapse {
        padding-top: 1rem;
    }

    .sort-actions,
    .sort-actions .btn-sort {
        width: 100%;
    }

    .sort-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Mobile: exactly 2 columns */
@media (max-width: 600px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
}