/* ── Tokens ─────────────────────────────────────────── */
:root {
    --bg: #0e0e10;
    --surface: #15151a;
    --border: #222228;
    --text: #e8e8f0;
    --muted: #62627a;
    --subtle: #9898b0;
    --accent: #c8f064;
    --accent2: #6477f0;

    --radius-card: 14px;
    --radius-tag: 100px;

    --pad-h: 48px;
}

/* ── Light theme ────────────────────────────────────── */
[data-theme="light"] {
    --bg: #f5f5f7;
    --surface: #ffffff;
    --border: #e0e0e8;
    --text: #111118;
    --muted: #8888a0;
    --subtle: #555568;
    --accent: #5a9e00;
    --accent2: #4055d4;
}

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

/* ── Layout shell ───────────────────────────────────── */
body {
    background: var(--bg);
    color: var(--text);
    font-family: "DM Sans", sans-serif;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition:
        background 0.3s ease,
        color 0.3s ease;
}

/* Grain overlay */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1000;
}

/* ── Header ─────────────────────────────────────────── */
header {
    flex-shrink: 0;
    padding: 28px var(--pad-h) 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: border-color 0.3s ease;
}

.header-left h1 {
    font-family: "Syne", sans-serif;
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
}

.header-left h1 span {
    color: var(--accent);
}

.header-left p {
    margin-top: 5px;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 300;
}

/* ── Theme toggle ───────────────────────────────────── */
.theme-toggle {
    flex-shrink: 0;
    width: 44px;
    height: 26px;
    border-radius: 100px;
    border: 1.5px solid var(--border);
    background: var(--surface);
    cursor: pointer;
    position: relative;
    transition:
        background 0.3s ease,
        border-color 0.3s ease;
    padding: 0;
}

.theme-toggle-icon {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--muted);
    transition:
        transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
        background 0.3s ease;
}

[data-theme="light"] .theme-toggle-icon {
    transform: translateX(18px);
    background: var(--accent2);
}

.theme-toggle:hover .theme-toggle-icon {
    background: var(--accent);
}

[data-theme="light"] .theme-toggle:hover .theme-toggle-icon {
    background: var(--accent2);
}

/* ── Filter bar ─────────────────────────────────────── */
.filter-bar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px var(--pad-h);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    transition: border-color 0.3s ease;
}

.filter-btn {
    padding: 5px 13px;
    border-radius: var(--radius-tag);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    font-family: "DM Sans", sans-serif;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition:
        background 0.18s,
        color 0.18s,
        border-color 0.18s;
    letter-spacing: 0.015em;
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--subtle);
    color: var(--text);
}

.filter-btn.active {
    background: var(--accent);
    color: #0e0e10;
    border-color: var(--accent);
    font-weight: 700;
}

.filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    margin-left: 5px;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.09);
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1;
    transition: background 0.18s;
}

.filter-btn.active .filter-count {
    background: rgba(0, 0, 0, 0.18);
}

/* ── Scroll region ──────────────────────────────────── */
.scroll-region {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: 64px;
    mask-image: linear-gradient(
        to bottom,
        black calc(100% - 80px),
        transparent 100%
    );
    -webkit-mask-image: linear-gradient(
        to bottom,
        black calc(100% - 80px),
        transparent 100%
    );
}

.scroll-region::-webkit-scrollbar {
    width: 5px;
}
.scroll-region::-webkit-scrollbar-track {
    background: transparent;
}
.scroll-region::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 99px;
}
.scroll-region::-webkit-scrollbar-thumb:hover {
    background: var(--muted);
}

/* ── Count badge ────────────────────────────────────── */
.count-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin: 24px 0 16px;
    padding: 0 var(--pad-h);
}

.count-badge span {
    display: inline-block;
    width: 5px;
    height: 5px;
    background: var(--accent);
    border-radius: 50%;
}

/* ── Card grid ──────────────────────────────────────── */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
    padding: 0 var(--pad-h);
}

/* ── Card ───────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    text-decoration: none;
    display: block;
    color: inherit;
    transition:
        transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.22s ease,
        border-color 0.22s ease,
        opacity 0.22s ease,
        background 0.3s ease;
    animation: fadeUp 0.45s ease both;
}

.card--hidden {
    opacity: 0;
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}

.card:hover {
    transform: translateY(-4px) scale(1.008);
    box-shadow:
        0 20px 48px rgba(0, 0, 0, 0.45),
        0 0 0 1px var(--accent2);
    border-color: var(--accent2);
}

/* ── Card preview ───────────────────────────────────── */
.card-preview {
    width: 100%;
    height: 160px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-preview-blur {
    position: absolute;
    inset: -20%;
    width: 140%;
    height: 140%;
    object-fit: cover;
    filter: blur(26px) saturate(1.4) brightness(0.5);
    transform: scale(1.05);
    transition:
        transform 0.5s ease,
        filter 0.5s ease;
    pointer-events: none;
}

.card:hover .card-preview-blur {
    transform: scale(1.14);
    filter: blur(30px) saturate(1.6) brightness(0.45);
}

.card-preview-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(
            ellipse at center,
            transparent 25%,
            rgba(14, 14, 16, 0.5) 100%
        ),
        linear-gradient(to bottom, transparent 50%, rgba(21, 21, 26, 0.9));
    pointer-events: none;
}

.card-preview-logo-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.11);
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow:
        0 6px 24px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    transition:
        transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.3s ease;
}

.card:hover .card-preview-logo-wrap {
    transform: scale(1.08) translateY(-2px);
    box-shadow:
        0 12px 36px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.card-preview-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

/* ── Card body ──────────────────────────────────────── */
.card-body {
    padding: 14px 16px 16px;
}

.card-meta {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.card-tag {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: var(--radius-tag);
    background: rgba(200, 240, 100, 0.1);
    color: var(--accent);
    cursor: pointer;
    transition:
        opacity 0.15s,
        transform 0.15s,
        box-shadow 0.15s;
}

.card-tag:hover {
    opacity: 0.8;
    transform: scale(1.04);
}
.card-tag:active {
    transform: scale(0.97);
}
.card-tag.tag--active-filter {
    box-shadow: 0 0 0 1.5px currentColor;
}

.card-tag.blue {
    background: rgba(100, 119, 240, 0.12);
    color: var(--accent2);
}
.card-tag.pink {
    background: rgba(240, 100, 180, 0.1);
    color: #f064b4;
}
.card-tag.orange {
    background: rgba(240, 160, 80, 0.1);
    color: #f0a050;
}

.card-title {
    font-family: "Syne", sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 4px;
}

.card-url {
    font-size: 0.72rem;
    color: var(--muted);
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

.card-desc {
    font-size: 0.8rem;
    color: var(--subtle);
    line-height: 1.55;
    font-weight: 300;
}

/* ── Animations ─────────────────────────────────────── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card:nth-child(1) {
    animation-delay: 0.04s;
}
.card:nth-child(2) {
    animation-delay: 0.08s;
}
.card:nth-child(3) {
    animation-delay: 0.12s;
}
.card:nth-child(4) {
    animation-delay: 0.16s;
}
.card:nth-child(5) {
    animation-delay: 0.2s;
}
.card:nth-child(6) {
    animation-delay: 0.24s;
}
.card:nth-child(7) {
    animation-delay: 0.28s;
}
.card:nth-child(8) {
    animation-delay: 0.32s;
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 640px) {
    :root {
        --pad-h: 20px;
    }
    header {
        padding: 20px var(--pad-h) 16px;
    }
    .filter-bar {
        padding: 10px var(--pad-h);
    }
    .grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}