/* ═══════════════════════════════════════════════════════════════════════════
 * DearPlay Website — Global Stylesheet
 * Based on design tokens extracted from the native macOS app
 * ═══════════════════════════════════════════════════════════════════════════ */

/* ── Tokens — DESIGN.md Cinematic Minimal ──────────────────────────────── */
:root {
    /* Warm neutrals (not Tailwind defaults) */
    --warm-50: #FAFAF8; --warm-100: #F5F5F0; --warm-200: #EEEEE8;
    --warm-300: #DDDDD5; --warm-400: #9C9C94; --warm-500: #6B6B63;
    --warm-600: #5C5C56; --warm-700: #3A3A36; --warm-800: #2A2A26;
    --warm-900: #1C1C1A; --warm-950: #0C0C0B;

    /* Brand colors (from SVG logo gradient) */
    --brand-gold: #F9E925;
    --brand-amber: #F9B025;
    --brand-coral: #F95A35;
    --brand-bronze: #B37116;
    --brand-gradient: linear-gradient(135deg, #F9B025 0%, #F95A35 100%);

    /* Semantic colors — warm-shifted, not pure Tailwind */
    --blue-400: #60A5FA; --blue-500: #3B82F6; --blue-600: #2563EB;
    --green-400: #4ADE80; --green-500: #22C55E;
    --orange-400: #FB923C; --orange-500: #F97316;
    --purple-400: #C084FC; --purple-500: #A855F7;
    --teal-400: #2DD4BF; --teal-500: #14B8A6;
    --cyan-400: #22D3EE; --cyan-500: #06B6D4;
    --red-400: #F87171; --red-500: #EF4444;

    /* Feature colors (from DESIGN.md) */
    --feature-playback: var(--blue-500);
    --feature-browser: var(--orange-500);
    --feature-transcription: var(--green-500);
    --feature-translation: var(--purple-500);
    --feature-subtitle: var(--teal-500);
    --feature-download: var(--cyan-500);

    /* Typography */
    --font-display: 'Satoshi', -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    --font-mono: "SF Mono", ui-monospace, Menlo, monospace;

    /* Light theme (default) — warm off-white */
    --bg: var(--warm-50);
    --bg-secondary: var(--warm-100);
    --bg-tertiary: var(--warm-200);
    --bg-card: #FFFFFF;
    --bg-glass: rgba(250, 250, 248, 0.72);
    --text: #1A1A18;
    --text-secondary: var(--warm-500);
    --text-tertiary: var(--warm-400);
    --text-muted: var(--warm-400);
    --border: #E5E5DF;
    --border-subtle: rgba(0, 0, 0, 0.06);
    --accent: var(--blue-500);
    --accent-hover: var(--blue-600);
    --accent-subtle: rgba(59, 130, 246, 0.1);
    --accent-glow: rgba(59, 130, 246, 0.15);

    /* Surface aliases (for components using surface-*) */
    --surface-primary: var(--bg);
    --surface-secondary: var(--bg-secondary);
    --text-primary: var(--text);
}

@media (prefers-color-scheme: dark) {
    :root {
        /* Dark theme — warm near-black (DESIGN.md) */
        --bg: var(--warm-950);
        --bg-secondary: #141413;
        --bg-tertiary: var(--warm-900);
        --bg-card: #1A1A18;
        --bg-glass: rgba(20, 20, 18, 0.78);
        --text: #F0F0EC;
        --text-secondary: #8C8C84;
        --text-tertiary: var(--warm-600);
        --text-muted: var(--warm-600);
        --border: var(--warm-800);
        --border-subtle: rgba(255, 255, 255, 0.06);
        --accent: var(--blue-400);
        --accent-hover: #93C5FD;
        --accent-subtle: rgba(96, 165, 250, 0.12);
        --accent-glow: rgba(96, 165, 250, 0.2);

        --surface-primary: var(--bg);
        --surface-secondary: var(--bg-secondary);
        --text-primary: var(--text);
    }
}

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

html {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

body { min-height: 100vh; }

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

/* ── Navigation ─────────────────────────────────────────────────────────── */
.nav {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.25rem; font-weight: 700; color: var(--text);
    display: flex; align-items: center; gap: 0.5rem;
}
.nav-logo { width: 28px; height: 28px; }

.nav-actions { display: flex; align-items: center; gap: 0.5rem; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { color: var(--text-secondary); font-size: 0.9375rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); }

/* Language Switcher */
.lang-switcher {
    position: relative;
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    transition: border-color 0.15s;
}
.lang-switcher:hover { border-color: var(--accent); color: var(--text); }
.lang-current { font-weight: 500; white-space: nowrap; display: flex; align-items: center; gap: 0.375rem; }
.lang-current-flag { font-size: 1.125rem; line-height: 1; }
.lang-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    padding-top: 6px;
    min-width: 160px;
    z-index: 100;
}
.lang-dropdown-inner {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.25rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.lang-switcher:hover .lang-dropdown { display: block; }
.lang-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    text-decoration: none;
    transition: background 0.1s, color 0.1s;
}
.lang-option:hover { background: var(--bg-secondary); color: var(--text); }
.lang-option.lang-active { color: var(--accent); font-weight: 500; }
.lang-flag { font-size: 1rem; line-height: 1; }

@media (prefers-color-scheme: dark) {
    .lang-dropdown-inner { box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
}

/* ── Container ──────────────────────────────────────────────────────────── */
.container { max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }
.container-wide { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 680px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Hero Section ───────────────────────────────────────────────────────── */
.hero {
    text-align: center;
    padding: 5rem 1.5rem 4rem;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: var(--accent-subtle); color: var(--accent);
    font-size: 0.8125rem; font-weight: 600;
    padding: 0.25rem 0.875rem; border-radius: 9999px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 3.75rem);
    font-weight: 700; letter-spacing: -0.03em;
    line-height: 1.1; margin-bottom: 1rem;
}

.hero-tagline {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--text-secondary);
    max-width: 600px; margin: 0 auto 2.5rem;
    line-height: 1.5;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    font-family: var(--font-sans); font-weight: 600;
    border: none; border-radius: 12px; cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.btn-primary {
    background: var(--brand-gradient); color: #fff;
    padding: 0.875rem 2rem; font-size: 1.0625rem;
    box-shadow: 0 4px 14px rgba(249, 90, 53, 0.3);
    white-space: nowrap;
}
.btn-primary:hover {
    background: linear-gradient(135deg, #FAC030 0%, #FA6A45 100%); color: #fff;
    box-shadow: 0 6px 20px rgba(249, 90, 53, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent; color: var(--text-secondary);
    padding: 0.875rem 2rem; font-size: 1.0625rem;
    border: 1px solid var(--border);
}
.btn-secondary:hover { color: var(--text); border-color: var(--warm-400); }

.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; border-radius: 8px; }

.btn-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.download-meta {
    display: block; font-size: 0.75rem; font-weight: 400; opacity: 0.8; margin-top: 2px;
}
.download-card .btn-primary {
    font-size: 1rem; padding: 0.875rem 1.5rem; white-space: nowrap;
}

/* ── Section ────────────────────────────────────────────────────────────── */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-secondary); }

.section-header {
    text-align: center; margin-bottom: 3rem;
}
.section-header h2 {
    font-family: var(--font-display);
    font-size: 1.875rem; font-weight: 700; letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}
.section-header p {
    color: var(--text-secondary); font-size: 1.0625rem;
    max-width: 560px; margin: 0 auto;
}

/* ── Feature Grid ───────────────────────────────────────────────────────── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.2s;
}
.feature-card:hover {
    border-color: var(--warm-300);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
    .feature-card:hover {
        border-color: var(--warm-700);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
}

.feature-card-header {
    display: flex; align-items: center; gap: 0.625rem;
    margin-bottom: 0.75rem;
}

.feature-icon {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 8px;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-card h3 {
    font-size: 1.0625rem; font-weight: 600;
    margin-bottom: 0;
}
.feature-card p {
    color: var(--text-secondary); font-size: 0.9375rem;
    line-height: 1.5;
}

/* Feature icon color variants — warm tinted backgrounds */
.icon-blue { background: rgba(59,130,246,0.08); color: var(--blue-400); }
.icon-orange { background: rgba(249,115,22,0.08); color: var(--orange-400); }
.icon-green { background: rgba(34,197,94,0.08); color: var(--green-400); }
.icon-purple { background: rgba(168,85,247,0.08); color: var(--purple-400); }
.icon-teal { background: rgba(20,184,166,0.08); color: var(--teal-400); }
.icon-cyan { background: rgba(6,182,212,0.08); color: var(--cyan-400); }

/* ── Subtitle Preview ───────────────────────────────────────────────────── */
.subtitle-showcase {
    background: var(--warm-950); border-radius: 12px;
    padding: 3rem 2rem;
    display: flex; flex-direction: column; align-items: center; gap: 1.5rem;
    position: relative; overflow: hidden;
}

.subtitle-showcase::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(59,130,246,0.05), rgba(168,85,247,0.05));
}

.subtitle-sample {
    font-family: var(--font-sans); text-align: center; position: relative;
}

.sub-default { font-size: 20px; font-weight: 500; color: #fff; background: rgba(0,0,0,0.6); border-radius: 8px; padding: 8px 16px; text-shadow: 1px 1px 2px rgba(0,0,0,0.8); }
.sub-netflix { font-size: 22px; font-weight: 600; color: #fff; background: rgba(0,0,0,0.7); border-radius: 4px; padding: 6px 14px; text-shadow: 0 2px 3px rgba(0,0,0,0.9); }
.sub-cinema  { font-size: 24px; font-weight: 700; color: #FFFF00; text-shadow: 1px 2px 4px rgba(0,0,0,1); -webkit-text-stroke: 1px black; }
.sub-minimal { font-size: 18px; font-weight: 400; color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,0.6); }
.sub-bold    { font-size: 26px; font-weight: 700; color: #fff; background: rgba(0,0,0,0.8); border-radius: 6px; padding: 10px 20px; }

.subtitle-labels {
    display: flex; gap: 0.75rem; flex-wrap: wrap; justify-content: center;
    position: relative;
}

.subtitle-label {
    font-size: 0.6875rem; color: var(--warm-400); font-weight: 500;
    padding: 0.25rem 0.75rem; border: 1px solid var(--warm-700);
    border-radius: 9999px; cursor: default;
}
.subtitle-label.active { color: #F0F0EC; border-color: var(--warm-500); background: var(--warm-800); }

/* ── AI Engine Badge ────────────────────────────────────────────────────── */
.engine-list {
    display: flex; gap: 0.75rem; flex-wrap: wrap;
    justify-content: center; margin-top: 1.5rem;
}

.engine-badge {
    display: inline-flex; align-items: center; gap: 0.375rem;
    font-size: 0.8125rem; font-weight: 500;
    padding: 0.375rem 0.875rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 9999px;
    color: var(--text-secondary);
}

/* ── Keyboard Shortcuts Table ───────────────────────────────────────────── */
.shortcut-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.75rem;
}

.shortcut-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.625rem 1rem;
    border-radius: 8px;
    font-size: 0.9375rem;
}
.shortcut-item:nth-child(odd) { background: var(--bg-tertiary); }

kbd {
    display: inline-flex; align-items: center;
    font-family: var(--font-mono); font-size: 0.75rem; font-weight: 600;
    padding: 0.2rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: 0 1px 0 var(--border);
    color: var(--text-secondary);
    gap: 0.25rem;
}

/* ── Download Page ──────────────────────────────────────────────────────── */
.download-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.download-card h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.download-card .version { color: var(--text-secondary); font-size: 0.9375rem; margin-bottom: 2rem; }

.download-info {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 1rem; margin-top: 2rem; text-align: left;
}
.download-info dt { font-size: 0.75rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; }
.download-info dd { font-size: 0.9375rem; font-weight: 500; margin: 0 0 0.75rem; }

.checksum {
    margin-top: 1.5rem; padding: 1rem;
    background: var(--bg-tertiary); border-radius: 8px;
    font-family: var(--font-mono); font-size: 0.75rem;
    color: var(--text-secondary); word-break: break-all;
    text-align: left;
}

/* ── Requirements List ──────────────────────────────────────────────────── */
.req-list {
    list-style: none; padding: 0;
}
.req-list li {
    display: flex; align-items: flex-start; gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.9375rem;
}
.req-list li:last-child { border-bottom: none; }
.req-check { color: var(--green-500); font-weight: 700; flex-shrink: 0; }

/* ── Beta Banner ────────────────────────────────────────────────────────── */
.beta-banner {
    background: linear-gradient(135deg, var(--accent-subtle), rgba(168, 85, 247, 0.08));
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}
.beta-banner h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; }
.beta-banner p { color: var(--text-secondary); font-size: 0.9375rem; max-width: 520px; margin: 0 auto; line-height: 1.6; }

/* ── Board / Post ──────────────────────────────────────────────────────── */
.board-toolbar {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 0.75rem;
    margin-bottom: 1.5rem; padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}
.board-count { font-size: 0.875rem; color: var(--text-tertiary); white-space: nowrap; }
.board-toolbar-actions { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.board-sort { display: flex; gap: 0.25rem; flex-shrink: 0; }
.sort-btn {
    padding: 0.3125rem 0.625rem; border-radius: 6px; font-size: 0.8125rem;
    color: var(--text-secondary); border: 1px solid transparent; background: transparent;
    text-decoration: none; transition: all 0.15s; white-space: nowrap;
}
.sort-btn:hover { background: var(--bg-tertiary); color: var(--text); }
.sort-btn.active { background: var(--accent-subtle); border-color: rgba(96,165,250,0.25); color: var(--accent); font-weight: 600; }

/* Write / CTA button (used in board toolbar) */
.btn-write {
    display: inline-flex; align-items: center; gap: 0.375rem;
    padding: 0.5rem 1rem; border-radius: 8px; font-weight: 600; font-size: 0.875rem;
    text-decoration: none; white-space: nowrap;
    background: var(--brand-gradient); color: #fff;
    transition: all 0.15s;
}
.btn-write:hover { background: linear-gradient(135deg, #FAC030 0%, #FA6A45 100%); color: #fff; box-shadow: 0 2px 8px rgba(249,90,53,0.25); }

.board-empty {
    text-align: center; padding: 4rem 1rem; color: var(--text-tertiary);
    border: 1px dashed var(--border); border-radius: 12px;
}

.post-list { display: flex; flex-direction: column; gap: 0; }
.post-card {
    display: block; padding: 1.25rem 1rem; text-decoration: none;
    border-bottom: 1px solid var(--border-subtle);
    border-radius: 8px; margin: 0 -1rem;
    transition: background 0.15s ease;
}
.post-card:first-child { padding-top: 1rem; }
.post-card:hover { background: var(--bg-secondary); }
.post-pinned { border-left: 3px solid var(--accent); padding-left: 1rem; }
.post-pin-badge {
    display: inline-flex; align-items: center; gap: 0.25rem;
    font-size: 0.6875rem; font-weight: 600;
    color: var(--accent); background: var(--accent-subtle);
    padding: 0.1875rem 0.625rem; border-radius: 4px; margin-bottom: 0.375rem;
    text-transform: uppercase; letter-spacing: 0.04em;
    border-left: 2.5px solid var(--accent);
}
.post-category {
    display: inline-flex; align-items: center; gap: 0.375rem;
    font-size: 0.6875rem; font-weight: 600;
    padding: 0.1875rem 0.625rem; border-radius: 4px; margin-bottom: 0.375rem;
    text-transform: uppercase; letter-spacing: 0.04em;
    border-left: 2.5px solid currentColor;
}
.post-category-feature_request { background: rgba(249,176,37,0.1); color: var(--brand-amber); border-left-color: var(--brand-amber); }
.post-category-bug_report { background: rgba(249,90,53,0.1); color: var(--brand-coral); border-left-color: var(--brand-coral); }
.post-category-discussion { background: var(--bg-tertiary); color: var(--text-secondary); border-left-color: var(--warm-400); }
.post-title {
    font-family: var(--font-display);
    font-size: 1.0625rem; font-weight: 600; color: var(--text);
    margin-bottom: 0.375rem; line-height: 1.4;
}
.post-meta {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem;
    font-size: 0.8125rem; color: var(--text-tertiary);
}
.post-meta-sep { color: var(--text-tertiary); opacity: 0.4; }

/* Post Detail */
.breadcrumb { font-size: 0.8125rem; color: var(--text-tertiary); margin-bottom: 1rem; }
.breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { margin: 0 0.375rem; opacity: 0.4; }
.breadcrumb-current { color: var(--text); }

.post-detail-header { margin-bottom: 2rem; }
.post-detail-title { font-family: var(--font-display); font-size: 1.75rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.75rem; color: var(--text); }
.post-detail-meta {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0.375rem;
    font-size: 0.875rem; color: var(--text-tertiary);
}
.post-author { display: flex; align-items: center; gap: 0.375rem; }
.post-author-avatar { width: 24px; height: 24px; border-radius: 50%; }
.post-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.tag-badge {
    font-size: 0.75rem; padding: 0.1875rem 0.625rem; border-radius: 9999px;
    background: var(--bg-tertiary); color: var(--text-secondary);
    border: 1px solid var(--border);
}

/* Post Actions (edit/delete bar) */
.post-actions {
    display: flex; gap: 0.75rem; margin-bottom: 1.5rem;
    padding-top: 1rem; border-top: 1px solid var(--border);
}
.btn-edit {
    padding: 0.5rem 1rem; border: 1px solid var(--border); border-radius: 6px;
    color: var(--text-secondary); text-decoration: none; font-size: 0.875rem;
    transition: all 0.15s;
}
.btn-edit:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger {
    padding: 0.5rem 1rem; border-radius: 6px; font-size: 0.875rem; cursor: pointer;
    background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.2);
    color: var(--red-400); transition: all 0.15s;
}
.btn-danger:hover { background: rgba(248,113,113,0.15); border-color: rgba(248,113,113,0.4); }

/* Vote Section */
.post-vote-section {
    display: flex; align-items: center; gap: 1rem;
    padding: 1rem 0; border-top: 1px solid var(--border); margin-bottom: 1rem;
}
.post-vote-label { font-size: 0.8125rem; color: var(--text-muted); }

/* Comments */
.comments-section {
    padding-top: 1rem; border-top: 1px solid var(--border);
}
.comments-title {
    font-family: var(--font-display);
    font-size: 1.125rem; font-weight: 600; margin-bottom: 1rem;
}
.comment-item { margin-bottom: 1.25rem; }
.comment-header {
    display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.375rem;
}
.comment-avatar { width: 24px; height: 24px; border-radius: 50%; }
.comment-author { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.comment-time { font-size: 0.75rem; color: var(--text-muted); }
.comment-delete-btn {
    background: none; border: none; color: var(--text-muted); font-size: 0.75rem;
    cursor: pointer; padding: 0; transition: color 0.15s;
}
.comment-delete-btn:hover { color: var(--red-400); }
.comment-body {
    font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.6;
    padding-left: 2rem;
}
.comment-replies {
    margin-left: 2rem; margin-top: 0.75rem; padding-left: 1rem;
    border-left: 2px solid var(--border);
}
.comment-replies .comment-item { margin-bottom: 0.75rem; }
.comment-replies .comment-avatar { width: 20px; height: 20px; }
.comment-replies .comment-author { font-size: 0.8125rem; }
.comment-replies .comment-time { font-size: 0.6875rem; }
.comment-replies .comment-delete-btn { font-size: 0.6875rem; }
.comment-replies .comment-body { font-size: 0.875rem; line-height: 1.5; padding-left: 0; }
.comment-reply-btn {
    background: none; border: none; color: var(--text-muted); font-size: 0.75rem;
    cursor: pointer; padding-left: 2rem; margin-top: 0.25rem;
    transition: color 0.15s;
}
.comment-reply-btn:hover { color: var(--accent); }

/* Comment Form */
.comment-form { margin-top: 1.5rem; }
.comment-form-inline { display: none; margin-top: 0.5rem; padding-left: 2rem; }
.comment-textarea {
    width: 100%; padding: 0.75rem; font-size: 0.9375rem; font-family: var(--font-sans);
    border: 1px solid var(--border); border-radius: 8px;
    background: var(--bg-secondary); color: var(--text);
    resize: vertical; margin-bottom: 0.5rem; line-height: 1.6;
    transition: border-color 0.15s;
}
.comment-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-subtle); }
.comment-textarea-sm { padding: 0.5rem; font-size: 0.875rem; border-radius: 6px; }
.comment-submit {
    padding: 0.5rem 1rem; background: var(--accent); color: #fff;
    border: none; border-radius: 8px; font-weight: 600; font-size: 0.875rem;
    cursor: pointer; transition: all 0.15s;
}
.comment-submit:hover { background: var(--accent-hover); box-shadow: 0 2px 8px var(--accent-glow); }
.comment-submit-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; border-radius: 6px; margin-top: 0.375rem; }
.comment-login {
    color: var(--text-muted); font-size: 0.875rem; margin-top: 1rem;
}
.comment-login a { color: var(--accent); }

/* Post Form */
.board-section { max-width: 800px; margin: 0 auto; padding: 3rem 1.5rem; }
.form-error {
    background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.2);
    border-radius: 8px; padding: 0.75rem 1rem; margin-bottom: 1.5rem;
    color: var(--red-400);
}
.form-group { margin-bottom: 1.25rem; }
.form-label {
    display: block; margin-bottom: 0.5rem; font-weight: 500;
    color: var(--text-secondary); font-size: 0.875rem;
}
.form-select, .form-input, .form-textarea {
    width: 100%; padding: 0.625rem 0.875rem;
    border: 1px solid var(--border); border-radius: 8px;
    background: var(--bg-secondary); color: var(--text);
    font-size: 0.9375rem; font-family: var(--font-sans);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-select:focus, .form-input:focus, .form-textarea:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}
.form-input-title { font-size: 1.125rem; font-weight: 600; }
.form-textarea { line-height: 1.7; resize: vertical; }
.form-actions {
    display: flex; gap: 0.75rem; justify-content: flex-end;
}
.btn-cancel {
    padding: 0.625rem 1.5rem; border: 1px solid var(--border); border-radius: 8px;
    color: var(--text-secondary); text-decoration: none; font-size: 0.9375rem;
    transition: all 0.15s;
}
.btn-cancel:hover { border-color: var(--text-tertiary); color: var(--text); }
.btn-submit {
    padding: 0.625rem 1.5rem; background: var(--accent); color: #fff;
    border: none; border-radius: 8px; font-weight: 600; font-size: 0.9375rem;
    cursor: pointer; transition: all 0.15s;
}
.btn-submit:hover { background: var(--accent-hover); box-shadow: 0 2px 8px var(--accent-glow); }

.post-content.prose { line-height: 1.75; font-size: 1rem; color: var(--text); }
.post-content.prose h2 { font-size: 1.375rem; font-weight: 700; margin: 2rem 0 0.75rem; }
.post-content.prose h3 { font-size: 1.125rem; font-weight: 600; margin: 1.5rem 0 0.5rem; }
.post-content.prose p { margin-bottom: 1rem; }
.post-content.prose ul, .post-content.prose ol { margin-bottom: 1rem; padding-left: 1.5rem; }
.post-content.prose li { margin-bottom: 0.375rem; }
.post-content.prose code {
    font-family: var(--font-mono); font-size: 0.875rem;
    background: var(--bg-tertiary); padding: 0.125rem 0.375rem; border-radius: 4px;
}
.post-content.prose pre {
    background: var(--bg-tertiary); padding: 1rem; border-radius: 8px;
    overflow-x: auto; margin-bottom: 1rem; font-size: 0.8125rem;
}
.post-content.prose pre code { background: none; padding: 0; }
.post-content.prose blockquote {
    border-left: 3px solid var(--accent); padding-left: 1rem;
    color: var(--text-secondary); margin: 1rem 0;
}
.post-content.prose img { max-width: 100%; border-radius: 8px; margin: 1rem 0; }
.post-content.prose a { color: var(--accent); }
.post-content.prose a:hover { text-decoration: underline; }

.post-detail-footer { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border-subtle); }

/* Pagination */
.pagination {
    display: flex; justify-content: center; align-items: center; gap: 0.5rem;
    margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border-subtle);
}
.page-numbers { display: flex; gap: 0.25rem; }
.page-link {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 36px; height: 36px; padding: 0 0.5rem;
    border-radius: 8px; font-size: 0.875rem; text-decoration: none;
    color: var(--text-secondary); transition: all 0.15s;
}
.page-link:hover:not(.disabled):not(.page-current) { background: var(--bg-secondary); color: var(--text); }
.page-current { background: var(--accent); color: #fff; font-weight: 600; border-radius: 8px; }
.page-link.disabled { opacity: 0.35; cursor: not-allowed; }
.page-ellipsis { display: inline-flex; align-items: center; color: var(--text-tertiary); padding: 0 0.25rem; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
    padding: 3rem 0; text-align: center;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-tertiary); font-size: 0.8125rem;
}
.footer a { color: var(--text-secondary); }

/* ── Guide Page ─────────────────────────────────────────────────────────── */
.guide-toc {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    margin-bottom: 3rem;
}
.guide-toc h3 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-tertiary); margin-bottom: 1rem; }
.guide-toc ol { padding-left: 1.25rem; }
.guide-toc li { padding: 0.25rem 0; font-size: 0.9375rem; }
.guide-toc a { color: var(--text-secondary); }
.guide-toc a:hover { color: var(--accent); }

.guide-section { margin-bottom: 3rem; }
.guide-section h2 {
    font-size: 1.5rem; font-weight: 700;
    padding-bottom: 0.75rem; border-bottom: 2px solid var(--border);
    margin-bottom: 1.5rem;
}
.guide-section h3 { font-size: 1.125rem; font-weight: 600; margin: 1.5rem 0 0.75rem; }
.guide-section p { color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.7; }
.guide-section ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.guide-section li { padding: 0.25rem 0; color: var(--text-secondary); line-height: 1.6; }

.tip-box {
    background: var(--accent-subtle);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem; margin: 1rem 0;
}
.format-tag {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem;
    font-family: var(--font-mono); font-size: 0.8125rem; font-weight: 600;
    padding: 0.5rem 0.625rem;
    background: var(--bg-tertiary); border-radius: 6px;
    color: var(--text-secondary);
}
.format-icon { flex-shrink: 0; opacity: 0.6; }

/* ── Screenshot / Figure ───────────────────────────────────────────────── */
.screenshot-figure {
    margin: 2rem 0;
    text-align: center;
}

.screenshot-figure picture {
    display: block;
}

.screenshot-figure img {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

@media (prefers-color-scheme: dark) {
    .screenshot-figure img {
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    }
}

.screenshot-figure figcaption {
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    font-style: italic;
}

/* Full-width screenshot variant */
.screenshot-figure.screenshot-wide img {
    max-width: 960px;
}

/* Smaller screenshot variant */
.screenshot-figure.screenshot-sm img {
    max-width: 560px;
}

/* Side-by-side screenshot pair */
.screenshot-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 2rem 0;
}

.screenshot-pair .screenshot-figure {
    margin: 0;
}

.screenshot-pair .screenshot-figure img {
    max-width: 100%;
}

@media (max-width: 768px) {
    .screenshot-pair {
        grid-template-columns: 1fr;
    }
}

/* ── Auth / User Menu ──────────────────────────────────────────────────── */
.nav-login-btn {
    padding: 0.375rem 0.875rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.15s ease;
    white-space: nowrap;
}
.nav-login-btn:hover {
    background: var(--surface-secondary);
    color: var(--text-primary);
}

.user-menu {
    position: relative;
}
.user-trigger {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}
.user-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}
.user-name {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    padding-top: 6px;
    z-index: 1001;
}
.user-menu:hover .user-dropdown {
    display: block;
}
.user-dropdown-inner {
    background: var(--surface-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 0.75rem;
    min-width: 180px;
}
.user-dropdown-info {
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}
.user-dropdown-info strong {
    display: block;
    font-size: 0.875rem;
    color: var(--text-primary);
}
.user-dropdown-info small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
}
.user-logout-btn {
    width: 100%;
    padding: 0.5rem;
    background: none;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s;
}
.user-logout-btn:hover {
    background: var(--surface-secondary);
    color: var(--text-primary);
}

/* ── Release / Changelog ──────────────────────────────────────────────── */
.release-timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.release-card {
    background: var(--surface-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: border-color 0.15s;
}
.release-card:hover {
    border-color: var(--text-muted);
}
.release-latest {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}
.release-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.release-version {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}
.release-version a {
    color: var(--text-primary);
    text-decoration: none;
}
.release-version a:hover {
    color: var(--accent);
}
.release-date {
    font-size: 0.875rem;
    color: var(--text-muted);
}
.badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.badge-accent {
    background: var(--accent);
    color: #000;
}
.badge-beta {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}
.release-notes {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.release-section {
    margin-bottom: 1rem;
}
.release-items {
    list-style: disc;
    padding-left: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}
.release-items li {
    margin-bottom: 0.25rem;
}

/* ── FAQ ──────────────────────────────────────────────────────────────── */
.faq-category {
    margin-bottom: 2.5rem;
}
.faq-category-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.faq-item {
    border-bottom: 1px solid var(--border);
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
    list-style: none;
    gap: 1rem;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::marker { display: none; content: ''; }
.faq-chevron {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}
.faq-item[open] .faq-chevron {
    transform: rotate(180deg);
}
.faq-answer {
    padding: 0 0 1rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}
.faq-answer a { color: var(--accent); }

/* ── Vote Button ──────────────────────────────────────────────────────── */
.vote-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
}
.vote-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.vote-btn.voted {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-subtle);
}

/* ── Hamburger Toggle (hidden on desktop) ──────────────────────────────── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
    background: none;
    border: none;
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 1px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .nav { padding: 0.75rem 1rem; }
    .nav-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 0.5rem 0;
        box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    }
    .nav-links.open {
        display: flex;
    }
    .nav-links a {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    .nav-links a:hover {
        background: var(--bg-secondary);
    }

    /* Auth in mobile menu */
    .nav-login-btn {
        margin: 0.25rem 1.5rem;
        text-align: center;
        display: block;
    }
    .user-menu {
        padding: 0.75rem 1.5rem;
    }
    .user-dropdown {
        position: static;
        padding-top: 0.5rem;
    }
    .user-menu:hover .user-dropdown {
        display: none;
    }
    .user-menu.open .user-dropdown {
        display: block;
    }

    /* Lang switcher: flag-only on mobile */
    .lang-switcher {
        margin: 0;
        padding: 0.25rem;
        border: none;
    }
    .lang-current-label { display: none; }
    .lang-current-flag { font-size: 1.375rem; }
    .lang-dropdown {
        position: absolute;
        top: 100%;
        right: 0;
        display: none;
        padding-top: 6px;
    }
    .lang-switcher:hover .lang-dropdown {
        display: none;
    }
    .lang-switcher.open .lang-dropdown {
        display: block;
    }

    /* Containers: tighter padding on mobile */
    .container, .container-wide, .container-narrow { padding: 0 1rem; }
    .board-section { padding: 2rem 1rem; }

    .hero { padding: 2.5rem 1rem 2rem; }
    .section { padding: 2rem 0; }
    .feature-grid { grid-template-columns: 1fr; }
    .download-info { grid-template-columns: 1fr; }
    .shortcut-grid { grid-template-columns: 1fr; }
    .user-name { display: none; }

    /* Post cards: edge-to-edge on mobile */
    .post-card { margin: 0; border-radius: 0; padding: 1rem 0; }
    .post-card:first-child { padding-top: 0.75rem; }
    .post-pinned { border-radius: 0; }

    /* Board toolbar */
    .board-toolbar { margin-bottom: 1rem; padding-bottom: 0.75rem; }

    /* Board empty state */
    .board-empty { padding: 2.5rem 1rem; border-radius: 8px; }

    /* Download button: compact on mobile */
    .btn-primary { padding: 0.75rem 1.25rem; font-size: 1rem; }
    .download-meta { display: none; }
    .download-card .btn-primary { font-size: 0.9375rem; padding: 0.75rem 1rem; }

    /* Post detail: tighter on mobile */
    .post-detail-title { font-size: 1.375rem; }
    .post-detail-header { margin-bottom: 1.25rem; }
    .post-detail-footer { margin-top: 1rem; padding-top: 1rem; }

    /* Comments: reduce indent on mobile */
    .comment-body { padding-left: 0; }
    .comment-replies { margin-left: 1rem; padding-left: 0.75rem; }
    .comment-reply-btn { padding-left: 0; }
    .comment-form-inline { padding-left: 1rem; }

    /* Forms on mobile */
    .form-actions { flex-direction: column; gap: 0.75rem; }
    .form-actions .btn-submit,
    .form-actions .btn-cancel { width: 100%; text-align: center; }
}

@media (max-width: 768px) and (prefers-color-scheme: dark) {
    .nav-links {
        box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    }
}