/* =====================================================================
   SILENT NIGHT · design layer v3
   Palette pulled from the bot logo: polar-night navy + ice.
   Loaded after custom.css and intentionally overrides the legacy
   "Midnight Ice" rules. Component selectors are prefixed with
   html:is(.dark,.light) so they win over old html.light overrides.
   ===================================================================== */

:root {
    --sn-bg: #080f1d;          /* oklch(17% .032 262) */
    --sn-bg-deep: #040915;     /* oklch(14% .028 262) */
    --sn-s1: #0e1728;          /* surface  oklch(20.5% .036 262) */
    --sn-s2: #162034;          /* raised   oklch(24.5% .04 262) */
    --sn-s3: #1f2b42;          /* hover    oklch(29% .045 262) */
    --sn-line: #243047;
    --sn-line-2: #394863;
    --sn-text: #eff4f8;
    --sn-muted: #a1acbb;
    --sn-subtle: #707b8c;
    --sn-ice: #82e0ff;         /* oklch(86% .10 222) */
    --sn-ice-2: #47c7f8;
    --sn-ice-3: #009edb;
    --sn-ice-soft: #b2ecff;
    --sn-on-ice: #021322;
    --sn-aurora: #ab93ed;      /* oklch(72% .13 295), used sparingly */
    --sn-ok: #5fe0a8;
    --sn-warn: #f5c46b;
    --sn-danger: #ff8a9a;
    --sn-ice-a08: rgb(130 224 255 / 0.08);
    --sn-ice-a14: rgb(130 224 255 / 0.14);
    --sn-ice-a30: rgb(130 224 255 / 0.30);
    --sn-header-bg: rgb(8 15 29 / 0.82);
    --sn-glow: 0 0 0 1px rgb(130 224 255 / 0.32), 0 18px 40px -18px rgb(71 199 248 / 0.55);
    --sn-shadow: 0 24px 48px -28px rgb(2 6 18 / 0.9);
    --sn-radius: 14px;
    --sn-radius-lg: 22px;
    --sn-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --sn-ease-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --sn-ease-in: cubic-bezier(0.7, 0, 0.84, 0);
    --sn-font: "Onest", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    --sn-display: "Unbounded", "Onest", ui-sans-serif, system-ui, sans-serif;
    --sn-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html.light {
    --sn-bg: #f2f8fc;
    --sn-bg-deep: #e5eef5;
    --sn-s1: #fbfeff;
    --sn-s2: #eef4f9;
    --sn-s3: #e5eef5;
    --sn-line: #d0dce7;
    --sn-line-2: #b5c4d3;
    --sn-text: #121a2b;
    --sn-muted: #535e6f;
    --sn-subtle: #6e7a8b;
    --sn-ice: #007ab9;
    --sn-ice-2: #0090d6;
    --sn-ice-3: #006296;
    --sn-ice-soft: #005b8c;
    --sn-on-ice: #fbfeff;
    --sn-aurora: #6b54c9;
    --sn-ok: #0f8a5f;
    --sn-warn: #a86a00;
    --sn-danger: #c0344b;
    --sn-ice-a08: rgb(0 122 185 / 0.07);
    --sn-ice-a14: rgb(0 122 185 / 0.12);
    --sn-ice-a30: rgb(0 122 185 / 0.28);
    --sn-header-bg: rgb(242 248 252 / 0.86);
    --sn-glow: 0 0 0 1px rgb(0 122 185 / 0.3), 0 18px 36px -22px rgb(0 122 185 / 0.45);
    --sn-shadow: 0 22px 44px -30px rgb(18 26 43 / 0.35);
}

/* ---------- Cross-page transitions (Chromium, progressive) ---------- */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: sn-vt-out 180ms var(--sn-ease-in) both; }
::view-transition-new(root) { animation: sn-vt-in 420ms var(--sn-ease) both; }
@keyframes sn-vt-out { to { opacity: 0; transform: translateY(-6px); } }
@keyframes sn-vt-in { from { opacity: 0; transform: translateY(10px); } }

/* ---------- Base ---------- */
html { background: var(--sn-bg); color-scheme: dark; }
html.light { color-scheme: light; }

body.site-shell {
    font-family: var(--sn-font);
    font-optical-sizing: auto;
    letter-spacing: 0.005em;
    background: var(--sn-bg) !important;
    background-image: none !important;
    color: var(--sn-text);
    -webkit-font-smoothing: antialiased;
}
body.site-shell::before,
body.site-shell::after { display: none !important; }

h1, h2 {
    font-family: var(--sn-display);
    font-weight: 600;
    letter-spacing: -0.025em;
    text-wrap: balance;
}
h3, h4 {
    font-family: var(--sn-font);
    font-weight: 650;
    letter-spacing: -0.01em;
    text-wrap: balance;
}
p { text-wrap: pretty; }

::selection { background: var(--sn-ice); color: var(--sn-on-ice); }

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 2px solid var(--sn-ice) !important;
    outline-offset: 3px;
    box-shadow: none !important;
}

::-webkit-scrollbar-track { background: var(--sn-bg-deep); }
::-webkit-scrollbar-thumb { background: var(--sn-s3); border: 2px solid var(--sn-bg-deep); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--sn-line-2); }

/* Gradient text is retired site-wide: solid ice reads cleaner. */
html:is(.dark, .light) .grad-ice-text,
html:is(.dark, .light) .bg-clip-text.text-transparent,
html:is(.dark, .light) .step-num {
    background: none !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;
    -webkit-text-fill-color: currentColor;
    color: var(--sn-ice) !important;
    animation: none !important;
}

/* ---------- Sky: polar night backdrop ----------
 * Kept still on purpose: an endlessly moving full-screen glow repaints the
 * whole page every frame and makes scrolling (code, blocks) stutter. */
.aurora-stage, .bg-grid-overlay { display: none !important; }

.sn-sky {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
    background: linear-gradient(180deg, var(--sn-bg-deep) 0%, var(--sn-bg) 38%, var(--sn-bg) 100%);
}
.sn-sky__glow {
    position: absolute;
    left: 50%;
    top: -46vh;
    width: 150vw;
    height: 90vh;
    transform: translateX(-50%);
    background: radial-gradient(closest-side, rgb(71 199 248 / 0.17), rgb(125 146 232 / 0.07) 55%, transparent);
}
.sn-sky__ribbon {
    position: absolute;
    top: 6vh;
    left: -20vw;
    width: 140vw;
    height: 26vh;
    background:
        radial-gradient(60% 50% at 30% 50%, rgb(130 224 255 / 0.10), transparent 70%),
        radial-gradient(45% 45% at 72% 40%, rgb(171 147 237 / 0.08), transparent 70%);
    transform: rotate(-6deg);
    filter: blur(30px);
}
.sn-sky__grain {
    position: absolute;
    inset: 0;
    opacity: 0.06;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
html.light .sn-sky__glow { background: radial-gradient(closest-side, rgb(0 144 214 / 0.12), rgb(107 84 201 / 0.05) 55%, transparent); }
html.light .sn-sky__ribbon { opacity: 0.6; }
html.light .sn-sky__grain { opacity: 0.035; mix-blend-mode: multiply; }


#scrollProgress {
    height: 2px;
    background: var(--sn-ice) !important;
    box-shadow: 0 0 10px var(--sn-ice-a30) !important;
}

/* ---------- Header ---------- */
html:is(.dark, .light) .site-header {
    background-color: transparent !important;
    border-bottom: 1px solid transparent !important;
    box-shadow: none !important;
    transition: background-color 280ms var(--sn-ease), border-color 280ms var(--sn-ease);
}
html:is(.dark, .light) .site-header.scrolled,
html:is(.dark, .light) .site-header.menu-open {
    background-color: var(--sn-header-bg) !important;
    border-bottom-color: var(--sn-line) !important;
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    backdrop-filter: blur(14px) saturate(140%);
}

.sn-wordmark {
    font-family: var(--sn-display);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
    color: var(--sn-text);
}
.sn-wordmark b { font-weight: 600; color: var(--sn-ice); }

.brand-avatar-ring {
    box-shadow: 0 0 0 1px var(--sn-ice-a30), 0 0 18px -4px rgb(71 199 248 / 0.55) !important;
}

html:is(.dark, .light) .nav-link {
    color: var(--sn-muted) !important;
    padding: 0.4rem 0;
    transition: color 200ms var(--sn-ease);
}
html:is(.dark, .light) .nav-link i {
    color: var(--sn-subtle);
    font-size: 0.8em;
    transition: color 200ms var(--sn-ease), transform 300ms var(--sn-ease);
}
html:is(.dark, .light) .nav-link:hover,
html:is(.dark, .light) .nav-link.nav-active { color: var(--sn-text) !important; }
html:is(.dark, .light) .nav-link:hover i,
html:is(.dark, .light) .nav-link.nav-active i { color: var(--sn-ice); }
html:is(.dark, .light) .nav-link:hover i { transform: translateY(-1px); }
html:is(.dark, .light) .nav-link::after {
    left: 0;
    right: 0;
    bottom: -4px;
    height: 1.5px;
    background: var(--sn-ice);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 320ms var(--sn-ease);
}
html:is(.dark, .light) .nav-link:hover::after,
html:is(.dark, .light) .nav-link.nav-active::after { transform: scaleX(1); transform-origin: left; right: 0; }
html:is(.dark, .light) .site-nav-link:hover { transform: none; }

.sn-nav-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--sn-text);
    background: var(--sn-ice-a08);
    border: 1px solid var(--sn-ice-a30);
    transition: background-color 200ms var(--sn-ease), border-color 200ms var(--sn-ease), transform 200ms var(--sn-ease);
}
.sn-nav-pill:hover { background: var(--sn-ice-a14); border-color: var(--sn-ice); transform: translateY(-1px); }
.sn-nav-pill.is-active { border-color: var(--sn-ice); }
.sn-nav-pill i { color: var(--sn-ice); font-size: 0.8em; }

.sn-user-chip {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.3rem 0.75rem 0.3rem 0.3rem;
    border-radius: 999px;
    background: var(--sn-s1);
    border: 1px solid var(--sn-line);
    color: var(--sn-text);
}
.sn-user-chip a { color: var(--sn-subtle); transition: color 180ms var(--sn-ease); }
.sn-user-chip a:hover { color: var(--sn-danger); }

html:is(.dark, .light) .icon-button {
    background: var(--sn-s1) !important;
    border: 1px solid var(--sn-line) !important;
    color: var(--sn-muted) !important;
    border-radius: 12px;
}
html:is(.dark, .light) .icon-button:hover {
    border-color: var(--sn-ice-a30) !important;
    color: var(--sn-text) !important;
    transform: translateY(-1px);
    box-shadow: none;
}
html:is(.dark, .light) .theme-toggle-btn:hover { transform: rotate(-12deg); }

html:is(.dark, .light) #mobileNavMenu {
    background: var(--sn-header-bg) !important;
    border-color: var(--sn-line) !important;
}
html:is(.dark, .light) #mobileNavMenu a,
html:is(.dark, .light) #mobileNavMenu button { color: var(--sn-text) !important; border-radius: 12px; }
html:is(.dark, .light) #mobileNavMenu a:hover,
html:is(.dark, .light) #mobileNavMenu button:hover { background: var(--sn-s2) !important; }
html:is(.dark, .light) #mobileNavMenu i { color: var(--sn-ice) !important; }
#mobileNavMenu:not(.hidden) { animation: sn-drop 360ms var(--sn-ease) both; }
@keyframes sn-drop { from { opacity: 0; transform: translateY(-8px); } }

/* ---------- Buttons ---------- */
html:is(.dark, .light) .btn-ice {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 44px;
    font-weight: 600;
    letter-spacing: 0;
    color: var(--sn-on-ice) !important;
    background: var(--sn-ice);
    border: 1px solid transparent;
    border-radius: 12px;
    box-shadow: 0 1px 0 rgb(255 255 255 / 0.35) inset, 0 14px 30px -14px rgb(71 199 248 / 0.7);
    overflow: hidden;
    isolation: isolate;
    filter: none;
    transition: transform 240ms var(--sn-ease), box-shadow 240ms var(--sn-ease), background-color 240ms var(--sn-ease);
}
html:is(.dark, .light) .btn-ice * { color: inherit !important; }
html:is(.dark, .light) .btn-ice::after {
    content: "";
    position: absolute;
    inset: 0;
    left: auto;
    width: auto;
    z-index: -1;
    transform: none;
    animation: none;
    background: radial-gradient(120px circle at var(--mx, 50%) var(--my, 50%), rgb(255 255 255 / 0.45), transparent 60%);
    opacity: 0;
    transition: opacity 240ms var(--sn-ease);
}
html:is(.dark, .light) .btn-ice:hover {
    transform: translateY(-2px);
    box-shadow: 0 1px 0 rgb(255 255 255 / 0.35) inset, 0 20px 36px -14px rgb(71 199 248 / 0.8);
    filter: none;
}
html:is(.dark, .light) .btn-ice:hover::after { opacity: 1; }
html:is(.dark, .light) .btn-ice:active { transform: translateY(0) scale(0.98); transition-duration: 90ms; }
html.light .btn-ice { box-shadow: 0 14px 28px -16px rgb(0 122 185 / 0.7); }

html:is(.dark, .light) .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 44px;
    font-weight: 500;
    color: var(--sn-text) !important;
    background: transparent;
    border: 1px solid var(--sn-line-2);
    border-radius: 12px;
    transition: transform 240ms var(--sn-ease), border-color 240ms var(--sn-ease), background-color 240ms var(--sn-ease);
}
html:is(.dark, .light) .btn-ghost i { color: var(--sn-ice) !important; }
html:is(.dark, .light) .btn-ghost:hover {
    transform: translateY(-2px);
    background: var(--sn-ice-a08);
    border-color: var(--sn-ice);
    color: var(--sn-text) !important;
}
html:is(.dark, .light) .btn-ghost:active { transform: translateY(0) scale(0.98); transition-duration: 90ms; }

.sn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-weight: 500;
    color: var(--sn-ice);
    text-decoration: none;
}
.sn-link i { transition: transform 300ms var(--sn-ease); font-size: 0.8em; }
.sn-link:hover i { transform: translateX(4px); }
.sn-link:hover { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }

/* Tailwind gradient buttons across dashboard / editor get the ice treatment */
html:is(.dark, .light) :is(a, button).bg-gradient-to-r {
    background-image: none !important;
    background-color: var(--sn-ice) !important;
    color: var(--sn-on-ice) !important;
    border-color: transparent !important;
}
html:is(.dark, .light) :is(a, button).bg-gradient-to-r * { color: inherit !important; }
html:is(.dark, .light) :is(a, button).bg-gradient-to-r:hover { box-shadow: 0 16px 30px -14px rgb(71 199 248 / 0.7); }

/* ---------- Surfaces ---------- */
html:is(.dark, .light) .glass {
    background: var(--sn-s1);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border: 1px solid var(--sn-line);
}

html:is(.dark, .light) .ice-card {
    background: var(--sn-s1);
    border: 1px solid var(--sn-line);
    border-radius: var(--sn-radius);
    box-shadow: none;
    transition: transform 360ms var(--sn-ease), border-color 360ms var(--sn-ease), background-color 360ms var(--sn-ease);
}
html:is(.dark, .light) .ice-card::before {
    inset: 0;
    height: auto;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), var(--sn-ice-a08), transparent 60%);
    opacity: 0;
    transition: opacity 360ms var(--sn-ease);
    pointer-events: none;
}
html:is(.dark, .light) .ice-card:hover {
    transform: translateY(-3px);
    border-color: var(--sn-ice-a30);
    box-shadow: var(--sn-shadow);
}
html:is(.dark, .light) .ice-card:hover::before { opacity: 1; }
html:is(.dark, .light) .ice-icon-tile {
    color: var(--sn-ice);
    background: var(--sn-ice-a08);
    border: 1px solid var(--sn-ice-a30);
    box-shadow: none;
    transition: transform 360ms var(--sn-ease);
}
html:is(.dark, .light) .ice-card:hover .ice-icon-tile { transform: translateY(-2px); }

html:is(.dark, .light) .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0;
    font-family: var(--sn-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--sn-ice);
    background: none;
    border: 0;
    box-shadow: none;
}
html:is(.dark, .light) .eyebrow i { color: var(--sn-ice) !important; font-size: 0.9em; }

html:is(.dark, .light) .dash-card,
html:is(.dark, .light) .editor-card,
html:is(.dark, .light) .emulator-shell {
    background: var(--sn-s1);
    border: 1px solid var(--sn-line);
    border-radius: var(--sn-radius);
    box-shadow: none;
}
html:is(.dark, .light) .editor-card:focus-within { border-color: var(--sn-ice-a30); box-shadow: 0 0 0 3px var(--sn-ice-a08); }
html:is(.dark, .light) .dash-card-head,
html:is(.dark, .light) .editor-card-head {
    background: var(--sn-s2);
    border-bottom: 1px solid var(--sn-line);
}

html:is(.dark, .light) .dash-tabs,
html:is(.dark, .light) .mode-switch {
    background: var(--sn-s1);
    border: 1px solid var(--sn-line);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}
html:is(.dark, .light) .dash-tab-btn { color: var(--sn-muted); transition: color 200ms var(--sn-ease), background-color 200ms var(--sn-ease); }
html:is(.dark, .light) .dash-tab-btn:hover { background: var(--sn-s2); color: var(--sn-text); }
html:is(.dark, .light) .dash-tab-btn.active {
    background: var(--sn-ice-a14) !important;
    border: 1px solid var(--sn-ice-a30) !important;
    color: var(--sn-text) !important;
    box-shadow: none;
}
html:is(.dark, .light) .dash-tab-btn.active i { color: var(--sn-ice) !important; }

html:is(.dark, .light) .modal-panel {
    background: var(--sn-s1);
    border: 1px solid var(--sn-line-2);
    box-shadow: 0 40px 80px -30px rgb(2 6 18 / 0.9);
    animation: sn-pop 380ms var(--sn-ease) both;
}
@keyframes sn-pop { from { opacity: 0; transform: translateY(14px) scale(0.98); } }

html:is(.dark, .light) .dash-table-wrap { background: var(--sn-s1); border: 1px solid var(--sn-line); }
html:is(.dark, .light) .dash-table-wrap table thead th {
    background: var(--sn-s2);
    color: var(--sn-muted);
    font-family: var(--sn-mono);
    font-weight: 600;
    border-bottom: 1px solid var(--sn-line);
}
html:is(.dark, .light) .dash-table-wrap table tbody td { border-bottom-color: var(--sn-line); font-variant-numeric: tabular-nums; }
html:is(.dark, .light) .dash-table-wrap table tbody tr:hover { background: var(--sn-ice-a08); }

html:is(.dark, .light) .dash-check {
    background: var(--sn-bg-deep);
    border-color: var(--sn-line-2);
}
html:is(.dark, .light) .dash-check::before { background: var(--sn-ice); box-shadow: none; }
html:is(.dark, .light) .dash-check:checked { border-color: var(--sn-ice); box-shadow: none; background: var(--sn-ice-a14); }

html:is(.dark, .light) .analytics-fill { background: var(--sn-ice-2); box-shadow: none; }
html:is(.dark, .light) .analytics-fill.fail { background: var(--sn-danger); }
html:is(.dark, .light) .analytics-track { background: var(--sn-s3); }
html:is(.dark, .light) .analytics-label { color: var(--sn-text); }
html:is(.dark, .light) .analytics-value { color: var(--sn-text); font-family: var(--sn-mono); }

/* ---------- Docs ---------- */
html:is(.dark, .light) #docSidebar {
    background: var(--sn-s1);
    border: 1px solid var(--sn-line);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    box-shadow: none;
}
html:is(.dark, .light) .nav-cat-btn { color: var(--sn-muted) !important; }
html:is(.dark, .light) .nav-cat-btn:hover { background: var(--sn-s2) !important; border-color: var(--sn-line) !important; color: var(--sn-text) !important; }
html:is(.dark, .light) .nav-cat-btn.active {
    background: var(--sn-ice-a14) !important;
    border: 1px solid var(--sn-ice-a30) !important;
    color: var(--sn-text) !important;
    box-shadow: none;
}
html:is(.dark, .light) .nav-sub-list a {
    border-left: 0 !important;
    padding-left: 0.4rem;
    color: var(--sn-muted) !important;
    transition: color 200ms var(--sn-ease), transform 260ms var(--sn-ease);
}
html:is(.dark, .light) .nav-sub-list a:hover { color: var(--sn-ice) !important; padding-left: 0.4rem; transform: translateX(4px); }
html:is(.dark, .light) .sidebar-link.active {
    border-left: 0 !important;
    background: var(--sn-ice-a14) !important;
    box-shadow: inset 0 0 0 1px var(--sn-ice-a30);
    color: var(--sn-text) !important;
    border-radius: 10px;
}
html:is(.dark, .light) .doc-search {
    background: var(--sn-bg-deep);
    border: 1px solid var(--sn-line);
    box-shadow: none;
}
html:is(.dark, .light) .doc-search:focus { border-color: var(--sn-ice); box-shadow: 0 0 0 3px var(--sn-ice-a14); }
html:is(.dark, .light) .doc-section h2 { padding-left: 1.1rem; }
html:is(.dark, .light) .doc-section h2::before {
    top: 0.5em;
    bottom: auto;
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 2px;
    background: var(--sn-ice);
    box-shadow: 0 0 12px var(--sn-ice-a30);
    transform: rotate(45deg);
}
html:is(.dark, .light) .doc-section code:not(.not-code) {
    font-family: var(--sn-mono);
    color: var(--sn-ice-soft);
    background: var(--sn-ice-a08);
    border-color: var(--sn-ice-a14);
}
html:is(.dark, .light) .doc-section pre,
html:is(.dark, .light) .pre-ice {
    background: #050a16;
    border: 1px solid var(--sn-line);
    font-family: var(--sn-mono);
}
html:is(.dark, .light) .doc-section table { border: 1px solid var(--sn-line); }
html:is(.dark, .light) .doc-section thead th {
    background: var(--sn-s2);
    color: var(--sn-muted);
    font-family: var(--sn-mono);
    border-bottom: 1px solid var(--sn-line);
}
html:is(.dark, .light) .doc-section tbody td { border-bottom-color: var(--sn-line); }
html:is(.dark, .light) .doc-section tbody tr:hover { background: var(--sn-ice-a08); }

html:is(.dark, .light) code { font-family: var(--sn-mono); }
html:is(.dark, .light) .copy-btn {
    background: var(--sn-s2);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border: 1px solid var(--sn-line-2);
    color: var(--sn-muted);
    box-shadow: none;
}
html:is(.dark, .light) .copy-btn:hover { background: var(--sn-ice); color: var(--sn-on-ice); border-color: transparent; box-shadow: none; }

/* ---------- Chat ---------- */
html:is(.dark, .light) .chat-msg-item[class*="purple-950"] {
    background: var(--sn-ice-a08);
    border-color: var(--sn-ice-a30) !important;
    box-shadow: none;
}

/* ---------- Scroll reveal (shared) ---------- */
.reveal {
    transform: translateY(22px);
    transition: opacity 800ms var(--sn-ease), transform 800ms var(--sn-ease);
}

/* =====================================================================
   LANDING
   ===================================================================== */
.home-page.sn-home { display: block; text-align: left; align-items: stretch; overflow: visible; padding: 0; }
.sn-home > * { animation: none !important; }

.sn-home section { position: relative; }

/* Hero */
.sn-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2.5rem, 5vw, 6rem);
    align-items: center;
    min-height: min(calc(100vh - 8rem), 860px);
    padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(3rem, 6vw, 5rem);
}
.sn-status {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--sn-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sn-muted);
}
.sn-status b { color: var(--sn-text); font-weight: 600; }
.sn-dot {
    position: relative;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sn-ok);
    flex: none;
}
.sn-dot::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid currentColor;
    color: var(--sn-ok);
    animation: sn-ping 2.4s var(--sn-ease) infinite;
}
.sn-dot.is-warn { background: var(--sn-warn); }
.sn-dot.is-warn::after { color: var(--sn-warn); }
.sn-dot.is-wait { background: var(--sn-ice-2); }
.sn-dot.is-wait::after { color: var(--sn-ice-2); }
@keyframes sn-ping {
    0% { transform: scale(0.6); opacity: 0.9; }
    80%, 100% { transform: scale(1.8); opacity: 0; }
}

.sn-display {
    margin-top: 1.75rem;
    font-size: clamp(2.5rem, 5.6vw, 5.25rem);
    line-height: 1.02;
    font-weight: 600;
    letter-spacing: -0.035em;
    color: var(--sn-text);
}
.sn-display em { font-style: normal; color: var(--sn-ice); }
.sn-display .sn-word {
    display: inline-block;
    opacity: 0;
    transform: translateY(0.4em);
    filter: blur(6px);
    animation: sn-word 900ms var(--sn-ease) forwards;
    animation-delay: calc(120ms + var(--i, 0) * 70ms);
}
@keyframes sn-word { to { opacity: 1; transform: none; filter: blur(0); } }

.sn-lead {
    margin-top: 1.5rem;
    max-width: 34rem;
    font-size: clamp(1.05rem, 1.3vw, 1.2rem);
    line-height: 1.65;
    color: var(--sn-muted);
}
.sn-actions {
    margin-top: 2.25rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
}
.sn-actions .btn-ice, .sn-actions .btn-ghost { padding: 0.8rem 1.35rem; font-size: 0.975rem; }
.sn-actions .sn-link { margin-left: 0.5rem; }

.sn-facts {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--sn-line);
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 3rem;
    max-width: 34rem;
}
.sn-facts dt {
    font-family: var(--sn-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--sn-subtle);
}
.sn-facts dd {
    margin-top: 0.35rem;
    font-family: var(--sn-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--sn-text);
    font-variant-numeric: tabular-nums;
}

/* Discord demo window */
.sn-stage { position: relative; }
.sn-stage::before {
    content: "";
    position: absolute;
    inset: 8% -6% -8% 10%;
    z-index: -1;
    border-radius: 40px;
    background: radial-gradient(closest-side, rgb(71 199 248 / 0.22), transparent);
    filter: blur(30px);
}
.sn-window {
    position: relative;
    border-radius: var(--sn-radius-lg);
    background: var(--sn-s1);
    border: 1px solid var(--sn-line);
    box-shadow: 0 50px 100px -40px rgb(2 6 18 / 0.95), 0 0 0 1px rgb(255 255 255 / 0.02) inset;
    overflow: hidden;
    transform: perspective(1400px) rotateY(-5deg) rotateX(2deg);
    transition: transform 900ms var(--sn-ease);
}
.sn-stage:hover .sn-window { transform: perspective(1400px) rotateY(0) rotateX(0); }
html.light .sn-window { box-shadow: 0 40px 80px -40px rgb(18 26 43 / 0.35); }

.sn-window__bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--sn-line);
    background: var(--sn-s2);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sn-text);
}
.sn-window__bar .sn-hash { color: var(--sn-subtle); font-weight: 500; font-size: 1.1rem; line-height: 1; }
.sn-window__bar .sn-topic { color: var(--sn-subtle); font-weight: 400; font-size: 0.8rem; margin-left: 0.25rem; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.sn-window__lights { margin-left: auto; display: flex; gap: 6px; }
.sn-window__lights span { width: 9px; height: 9px; border-radius: 50%; background: var(--sn-line-2); }

.sn-feed {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 1.1rem;
    height: 23rem;
    padding: 1.25rem 1.25rem 0.75rem;
    overflow: hidden;
}
.sn-msg {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 0.85rem;
    animation: sn-msg-in 520ms var(--sn-ease) both;
}
.sn-msg.is-leaving { animation: sn-msg-out 260ms var(--sn-ease-in) both; }
@keyframes sn-msg-in { from { opacity: 0; transform: translateY(12px); } }
@keyframes sn-msg-out { to { opacity: 0; transform: translateY(-10px); } }
.sn-msg__ava {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--sn-on-ice);
    background: var(--sn-aurora);
}
.sn-msg__head { display: flex; align-items: baseline; gap: 0.5rem; font-size: 0.9rem; }
.sn-msg__name { font-weight: 600; color: var(--sn-text); }
.sn-msg__name.is-bot { color: var(--sn-ice); }
.sn-msg__tag {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    background: var(--sn-ice);
    color: var(--sn-on-ice);
    transform: translateY(-1px);
}
.sn-msg__time { font-size: 0.72rem; color: var(--sn-subtle); }
.sn-msg__text { margin-top: 0.2rem; font-size: 0.95rem; color: var(--sn-text); }
.sn-msg__text code {
    font-family: var(--sn-mono);
    font-size: 0.88em;
    padding: 0.1rem 0.35rem;
    border-radius: 6px;
    background: var(--sn-s3);
    border: 0;
    color: var(--sn-ice-soft);
}

.sn-embed {
    margin-top: 0.5rem;
    max-width: 26rem;
    padding: 0.9rem 1rem 1rem;
    border-radius: 10px;
    background: var(--sn-s2);
    border: 1px solid var(--sn-line);
}
.sn-embed__title { display: flex; align-items: center; gap: 0.5rem; font-weight: 650; font-size: 0.95rem; color: var(--sn-text); }
.sn-embed__title::before { content: ""; width: 8px; height: 8px; border-radius: 2px; transform: rotate(45deg); background: var(--c, var(--sn-ice)); flex: none; }
.sn-embed__desc { margin-top: 0.35rem; font-size: 0.85rem; color: var(--sn-muted); white-space: pre-line; }
.sn-embed__fields { margin-top: 0.75rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr)); gap: 0.6rem 1rem; }
.sn-embed__fields dt { font-size: 0.72rem; font-weight: 700; color: var(--sn-text); }
.sn-embed__fields dd { margin-top: 0.1rem; font-size: 0.85rem; color: var(--sn-muted); font-variant-numeric: tabular-nums; }
.sn-embed__bar { margin-top: 0.85rem; height: 4px; border-radius: 4px; background: var(--sn-s3); overflow: hidden; }
.sn-embed__bar span { display: block; height: 100%; width: 100%; border-radius: inherit; background: var(--sn-ice); transform-origin: left; transform: scaleX(0.08); animation: sn-progress 8s linear forwards; }
@keyframes sn-progress { to { transform: scaleX(0.72); } }
.sn-embed__buttons { margin-top: 0.6rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.sn-dbtn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    min-height: 32px;
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sn-text);
    background: var(--sn-s3);
    border: 0;
    cursor: pointer;
    transition: transform 160ms var(--sn-ease), background-color 160ms var(--sn-ease);
}
.sn-dbtn:hover { background: var(--sn-line-2); }
.sn-dbtn:active { transform: scale(0.95); }
.sn-dbtn.is-primary { background: var(--sn-ice-3); color: #fbfeff; }
.sn-dbtn.is-primary:hover { background: var(--sn-ice-2); color: var(--sn-on-ice); }

.sn-typing { display: flex; align-items: center; gap: 0.5rem; height: 1.25rem; padding: 0 1.25rem; font-size: 0.75rem; color: var(--sn-subtle); opacity: 0; transition: opacity 200ms var(--sn-ease); }
.sn-typing.is-on { opacity: 1; }
.sn-typing i { display: inline-flex; gap: 3px; }
.sn-typing i span { width: 5px; height: 5px; border-radius: 50%; background: var(--sn-muted); animation: sn-bounce-dot 1s var(--sn-ease-quart) infinite; }
.sn-typing i span:nth-child(2) { animation-delay: 0.15s; }
.sn-typing i span:nth-child(3) { animation-delay: 0.3s; }
@keyframes sn-bounce-dot { 0%, 60%, 100% { opacity: 0.35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.sn-composer {
    margin: 0.5rem 1rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1rem;
    border-radius: 10px;
    background: var(--sn-s2);
    font-size: 0.9rem;
    color: var(--sn-text);
    min-height: 46px;
}
.sn-composer .fa-circle-plus { color: var(--sn-subtle); }
.sn-composer__text { font-family: var(--sn-mono); font-size: 0.88rem; white-space: pre; }
.sn-composer__text:empty::before { content: attr(data-placeholder); font-family: var(--sn-font); color: var(--sn-subtle); }
.sn-caret { width: 2px; height: 1.1em; background: var(--sn-ice); animation: sn-caret 1s steps(1) infinite; margin-left: -0.6rem; }
@keyframes sn-caret { 50% { opacity: 0; } }
/* Like Discord: an empty box shows only the placeholder, the caret appears while someone types. */
.sn-composer__text:empty + .sn-caret { display: none; }

.sn-scenes { margin-top: 1.1rem; display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.sn-scene-btn {
    min-height: 36px;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-family: var(--sn-mono);
    font-size: 0.75rem;
    color: var(--sn-muted);
    background: transparent;
    border: 1px solid var(--sn-line);
    cursor: pointer;
    transition: color 200ms var(--sn-ease), border-color 200ms var(--sn-ease), background-color 200ms var(--sn-ease);
}
.sn-scene-btn:hover { color: var(--sn-text); border-color: var(--sn-line-2); }
.sn-scene-btn[aria-pressed="true"] { color: var(--sn-on-ice); background: var(--sn-ice); border-color: var(--sn-ice); }

/* Section headers */
.sn-section { padding: clamp(4rem, 9vw, 8rem) 0 0; }
.sn-section__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.5rem 4rem;
    align-items: end;
    margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.sn-h2 {
    margin-top: 1rem;
    font-size: clamp(2rem, 3.8vw, 3.4rem);
    line-height: 1.06;
    color: var(--sn-text);
}
.sn-h2 em { font-style: normal; color: var(--sn-ice); }
.sn-section__aside { max-width: 30rem; font-size: 1.05rem; line-height: 1.65; color: var(--sn-muted); justify-self: end; }

/* Module index: editorial list, not a card grid */
.sn-modules { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--sn-line); }
.sn-module {
    position: relative;
    display: grid;
    grid-template-columns: 4.5rem minmax(0, 16rem) minmax(0, 1fr) auto;
    gap: 0.5rem 2rem;
    align-items: baseline;
    padding: 1.6rem 1.25rem;
    border-bottom: 1px solid var(--sn-line);
    isolation: isolate;
}
.sn-module::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(520px circle at var(--mx, 30%) 50%, var(--sn-ice-a08), transparent 65%), var(--sn-s1);
    opacity: 0;
    transform: scaleY(0.6);
    transition: opacity 360ms var(--sn-ease), transform 460ms var(--sn-ease);
}
.sn-module:hover::before { opacity: 1; transform: none; }
.sn-module__num { font-family: var(--sn-mono); font-size: 0.8rem; color: var(--sn-subtle); transition: color 300ms var(--sn-ease); }
.sn-module__title {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 1.2rem;
    font-weight: 650;
    color: var(--sn-text);
    transition: transform 460ms var(--sn-ease);
}
.sn-module__title i { color: var(--sn-ice); font-size: 0.9em; width: 1.25rem; text-align: center; }
.sn-module__desc { font-size: 0.975rem; line-height: 1.6; color: var(--sn-muted); max-width: 60ch; }
.sn-module__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: flex-end; }
.sn-tag {
    font-family: var(--sn-mono);
    font-size: 0.7rem;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    color: var(--sn-muted);
    background: var(--sn-s2);
    border: 1px solid var(--sn-line);
    white-space: nowrap;
}
.sn-module:hover .sn-module__num { color: var(--sn-ice); }
.sn-module:hover .sn-module__title { transform: translateX(6px); }
.sn-module.is-feature .sn-module__title { color: var(--sn-ice); }
.sn-module.is-feature .sn-tag { color: var(--sn-ice); border-color: var(--sn-ice-a30); background: var(--sn-ice-a08); }

/* Builder spotlight */
.sn-builder {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
}
.sn-points { margin-top: 2rem; display: grid; gap: 1.1rem; list-style: none; padding: 0; }
.sn-points li { display: grid; grid-template-columns: 1.75rem minmax(0, 1fr); gap: 0.75rem; font-size: 1rem; line-height: 1.55; color: var(--sn-muted); }
.sn-points li b { color: var(--sn-text); font-weight: 600; }
.sn-points li i { color: var(--sn-ice); margin-top: 0.3rem; }

.sn-split {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    border-radius: var(--sn-radius-lg);
    border: 1px solid var(--sn-line);
    background: var(--sn-s1);
    overflow: hidden;
}
.sn-code { background: #050a16; border-right: 1px solid var(--sn-line); min-width: 0; }
html.light .sn-code { background: #0b1322; }
.sn-code__bar, .sn-preview__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 1rem;
    border-bottom: 1px solid var(--sn-line);
    font-family: var(--sn-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sn-subtle);
}
html.light .sn-code__bar { border-color: #243047; color: #a1acbb; }
html:is(.dark, .light) .sn-code pre {
    margin: 0;
    padding: 1rem 0 1.25rem !important;
    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    font-family: var(--sn-mono) !important;
    font-size: 0.8rem;
    line-height: 1.85;
    color: #cfd8e3 !important;
    overflow-x: auto;
    white-space: pre !important;
}
.sn-code .ln {
    display: block;
    padding: 0 1.1rem 0 0;
    transition: background-color 400ms var(--sn-ease);
}
.sn-code .ln::before {
    content: attr(data-n);
    display: inline-block;
    width: 2.6rem;
    padding-right: 1rem;
    text-align: right;
    color: #3d4a62;
    user-select: none;
}
.sn-code .ln.is-hot { background: rgb(130 224 255 / 0.12); transition-duration: 60ms; }
.sn-code .k { color: #82e0ff; }
.sn-code .f { color: #ab93ed; }
.sn-code .s { color: #9fe3b8; }
.sn-code .n { color: #f5c46b; }
.sn-code .p { color: #707b8c; }
.sn-code .c { color: var(--sn-subtle); font-style: italic; }
/* Static mock of an emulator image result (no external requests). */
.sn-shot {
    margin-top: 0.6rem;
    height: 120px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: linear-gradient(135deg, #ff9ecf 0%, #ab93ed 55%, #47c7f8 100%);
    border: 1px solid var(--sn-line);
}

.sn-preview { padding: 0 0 1.25rem; min-width: 0; }
.sn-preview .sn-msg { padding: 1.1rem 1.1rem 0; animation: none; }
.sn-y { display: inline-block; font-variant-numeric: tabular-nums; color: var(--sn-text); font-weight: 600; }
.sn-y.is-bump { animation: sn-bump 420ms var(--sn-ease); }
@keyframes sn-bump { 0% { transform: translateY(-6px); color: var(--sn-ice); } 100% { transform: none; } }

/* Steps */
.sn-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
    position: relative;
}
.sn-steps::before {
    content: "";
    position: absolute;
    top: 1.15rem;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--sn-line);
}
.sn-step { position: relative; padding-top: 3.25rem; }
.sn-step__num {
    position: absolute;
    top: 0;
    left: 0;
    width: 2.3rem;
    height: 2.3rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-family: var(--sn-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sn-ice);
    background: var(--sn-bg);
    border: 1px solid var(--sn-ice-a30);
    transition: background-color 300ms var(--sn-ease), color 300ms var(--sn-ease);
}
.sn-step:hover .sn-step__num { background: var(--sn-ice); color: var(--sn-on-ice); }
.sn-step h3 { font-size: 1.25rem; color: var(--sn-text); }
.sn-step p { margin-top: 0.6rem; max-width: 34ch; font-size: 0.975rem; line-height: 1.6; color: var(--sn-muted); }

/* CTA */
.sn-cta {
    margin-top: clamp(4rem, 9vw, 8rem);
    padding: clamp(3rem, 7vw, 6rem) clamp(1.5rem, 5vw, 5rem);
    border-radius: 28px;
    background: var(--sn-s1);
    border: 1px solid var(--sn-line);
    overflow: hidden;
    isolation: isolate;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2rem 4rem;
    align-items: end;
}
.sn-cta::before {
    content: "";
    position: absolute;
    z-index: -1;
    left: -10%;
    right: -10%;
    bottom: -70%;
    height: 120%;
    background: radial-gradient(50% 50% at 50% 50%, rgb(71 199 248 / 0.22), transparent 70%);
    animation: sn-rise 12s ease-in-out infinite alternate;
}
.sn-cta::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 0;
    background-image: radial-gradient(var(--sn-line) 1px, transparent 1px);
    background-size: 22px 22px;
    -webkit-mask-image: linear-gradient(to top, black, transparent 70%);
    mask-image: linear-gradient(to top, black, transparent 70%);
    opacity: 0.6;
}
@keyframes sn-rise { from { transform: translateY(8%); } to { transform: translateY(-4%); } }
.sn-cta h2 { font-size: clamp(2.2rem, 5vw, 4.2rem); line-height: 1.02; color: var(--sn-text); }
.sn-cta p { margin-top: 1rem; font-size: 1.05rem; color: var(--sn-muted); max-width: 32rem; }
.sn-cta .sn-actions { margin-top: 0; justify-content: flex-end; }

/* ---------- Footer ---------- */
html:is(.dark, .light) .sn-footer {
    background: transparent !important;
    border-top: 1px solid var(--sn-line) !important;
    margin-top: clamp(4rem, 8vw, 7rem);
    overflow: hidden;
}
.sn-footer a { color: var(--sn-muted); transition: color 180ms var(--sn-ease); }
.sn-footer a:hover { color: var(--sn-ice); }
.sn-footer__label { font-family: var(--sn-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sn-subtle); }
.sn-footer__giant {
    font-family: var(--sn-display);
    font-weight: 700;
    font-size: clamp(4rem, 17vw, 17rem);
    line-height: 0.8;
    letter-spacing: -0.06em;
    color: var(--sn-s1);
    text-align: center;
    user-select: none;
    margin-bottom: -0.12em;
    transition: color 600ms var(--sn-ease);
}
.sn-footer:hover .sn-footer__giant { color: var(--sn-s2); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    .sn-module { grid-template-columns: 3rem minmax(0, 1fr); }
    .sn-module__desc, .sn-module__tags { grid-column: 2; }
    .sn-module__tags { justify-content: flex-start; margin-top: 0.4rem; }
}
@media (max-width: 1023px) {
    .sn-hero { grid-template-columns: minmax(0, 1fr); min-height: 0; }
    .sn-window { transform: none; }
    .sn-builder { grid-template-columns: minmax(0, 1fr); }
    .sn-section__head { grid-template-columns: minmax(0, 1fr); }
    .sn-section__aside { justify-self: start; }
    .sn-cta { grid-template-columns: minmax(0, 1fr); }
    .sn-cta .sn-actions { justify-content: flex-start; }
}
@media (max-width: 720px) {
    .sn-display { font-size: 2.1rem; line-height: 1.06; }
    .sn-composer__text { overflow: hidden; text-overflow: ellipsis; }
    .sn-top { right: 0.8rem; bottom: 0.8rem; }
    .sn-split { grid-template-columns: minmax(0, 1fr); }
    .sn-code { border-right: 0; border-bottom: 1px solid var(--sn-line); }
    .sn-steps { grid-template-columns: minmax(0, 1fr); gap: 0; }
    .sn-steps::before { top: 0; bottom: 0; left: 1.15rem; right: auto; width: 1px; height: auto; }
    .sn-step { padding: 0 0 2.25rem 3.5rem; }
    .sn-feed { height: 21rem; padding: 1rem 0.9rem 0.5rem; }
    .sn-module { padding: 1.3rem 0.25rem; gap: 0.35rem 1rem; }
    .sn-actions .sn-link { margin-left: 0; }
    .sn-facts { gap: 1.25rem 2rem; }
}

@media (prefers-reduced-motion: reduce) {
    .sn-display .sn-word { opacity: 1; transform: none; filter: none; animation: none; }
    .sn-sky__glow, .sn-sky__ribbon, .sn-cta::before { animation: none; }
    .sn-window { transform: none; }
}

/* ==================== DOCS REDESIGN (sn-docs scope) ==================== */

/* Surfaces → Silent Night tokens (both themes via vars). */
.sn-docs .bg-silent-surface { background-color: var(--sn-s1); }
.sn-docs .bg-silent-surfaceAlt { background-color: var(--sn-s2); }
.sn-docs .border-silent-border { border-color: var(--sn-line); }
.sn-docs .border-silent-borderLight { border-color: var(--sn-line-2); }
.sn-docs .divide-silent-border > * + * { border-color: var(--sn-line); }
/* Code/dark blocks stay dark in both themes for contrast. */
.sn-docs .bg-silent-darkest { background-color: #0b1322; border-color: var(--sn-line); }
.sn-docs .bg-silent-darkest :is(.text-slate-300, .text-slate-400, .text-slate-200, .text-white) { color: #cfd8e3; }

/* Text scale → tokens. */
.sn-docs .text-slate-300 { color: var(--sn-text); }
.sn-docs .text-slate-400 { color: var(--sn-muted); }
.sn-docs .text-slate-500 { color: var(--sn-subtle); }
.sn-docs .text-slate-200 { color: var(--sn-text); }
.sn-docs .text-silent-muted { color: var(--sn-muted); }
.sn-docs .text-silent-subtle { color: var(--sn-subtle); }
.sn-docs .text-white { color: var(--sn-text); }
/* ...except where white sits on colored controls (keep readable). */
.sn-docs button.text-white { color: #f2f8fc; }
.sn-docs .bg-gradient-to-br.text-white { color: #f2f8fc; }
.sn-docs .bg-silent-darkest .text-white { color: #cfd8e3; }
.sn-docs .hover\:text-white:hover { color: var(--sn-text) !important; }

/* Accent text → tokens (light-theme contrast fix). */
.sn-docs .text-sky-400 { color: var(--sn-ice); }
.sn-docs .text-cyan-300 { color: var(--sn-ice); }
.sn-docs .text-blue-400 { color: var(--sn-ice); }
.sn-docs .text-indigo-400 { color: var(--sn-aurora); }
.sn-docs .text-purple-400 { color: var(--sn-aurora); }
.sn-docs .text-violet-400 { color: var(--sn-aurora); }
.sn-docs .text-emerald-400 { color: var(--sn-ok); }
.sn-docs .text-rose-400, .sn-docs .text-rose-300 { color: var(--sn-danger); }
.sn-docs .text-amber-400, .sn-docs .text-amber-300 { color: var(--sn-warn); }
/* ...but inside dark code blocks keep the original bright glow. */
.sn-docs pre .text-sky-400, .sn-docs .bg-silent-darkest .text-sky-400 { color: #38bdf8; }
.sn-docs pre .text-indigo-400, .sn-docs .bg-silent-darkest .text-indigo-400 { color: #818cf8; }
.sn-docs pre .text-emerald-400, .sn-docs .bg-silent-darkest .text-emerald-400 { color: #34d399; }
.sn-docs pre .text-rose-400, .sn-docs .bg-silent-darkest .text-rose-400,
.sn-docs pre .text-rose-300, .sn-docs .bg-silent-darkest .text-rose-300 { color: #fb7185; }
.sn-docs pre .text-amber-400, .sn-docs .bg-silent-darkest .text-amber-400,
.sn-docs pre .text-amber-300, .sn-docs .bg-silent-darkest .text-amber-300 { color: #fbbf24; }
.sn-docs pre .text-cyan-300, .sn-docs .bg-silent-darkest .text-cyan-300 { color: #67e8f9; }
.sn-docs pre .text-purple-400, .sn-docs .bg-silent-darkest .text-purple-400 { color: #c084fc; }
.sn-docs pre .text-white, .sn-docs pre .text-slate-300 { color: #e6edf5; }

/* Doc cards: softer, glowing on hover. */
.sn-docs .doc-section > div[class*="rounded-2xl"] {
    border-radius: var(--sn-radius-lg);
    box-shadow: var(--sn-shadow);
    transition: border-color 240ms var(--sn-ease), box-shadow 240ms var(--sn-ease), transform 240ms var(--sn-ease);
}
.sn-docs .doc-section > div[class*="rounded-2xl"]:hover {
    border-color: var(--sn-ice-a30);
    box-shadow: var(--sn-glow);
}
/* Section titles get an ice marker. */
.sn-docs .doc-section h2 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.sn-docs .doc-section h2::before {
    content: "";
    width: 6px;
    height: 1.4em;
    border-radius: 3px;
    background: var(--sn-ice);
    box-shadow: 0 0 12px var(--sn-ice-a30);
    flex: none;
}
/* Entrance animation when a category opens. */
.sn-docs .doc-section:not(.hidden) > div[class*="rounded-2xl"] {
    animation: sn-doc-in 420ms var(--sn-ease) both;
}
.sn-docs .doc-section:not(.hidden) > div[class*="rounded-2xl"]:nth-child(2) { animation-delay: 60ms; }
.sn-docs .doc-section:not(.hidden) > div[class*="rounded-2xl"]:nth-child(3) { animation-delay: 120ms; }
.sn-docs .doc-section:not(.hidden) > div[class*="rounded-2xl"]:nth-child(n+4) { animation-delay: 180ms; }
@keyframes sn-doc-in { from { opacity: 0; transform: translateY(14px); } }
/* Tables. */
.sn-docs table { border-radius: 12px; overflow: hidden; }
.sn-docs thead th {
    background: var(--sn-s2) !important;
    color: var(--sn-muted) !important;
    font-family: var(--sn-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
}
.sn-docs tbody td { border-color: var(--sn-line); }
/* Inline code chips. */
.sn-docs p code, .sn-docs li code, .sn-docs td code, .sn-docs h2 code, .sn-docs h3 code, .sn-docs h4 code {
    font-family: var(--sn-mono);
    font-size: 0.85em;
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    color: var(--sn-ice-soft);
    background: var(--sn-ice-a08);
    border: 1px solid var(--sn-ice-a14);
    white-space: nowrap;
}
/* Sidebar nav. */
.sn-docs .nav-cat-btn { border: 1px solid transparent; color: var(--sn-muted); }
.sn-docs .nav-cat-btn.text-slate-300 { color: var(--sn-muted); }
.sn-docs .nav-cat-btn:hover { background: var(--sn-s2); color: var(--sn-text); }
.sn-docs .nav-cat-btn.active {
    color: var(--sn-text);
    background: var(--sn-ice-a08);
    border-color: var(--sn-ice-a30);
    box-shadow: var(--sn-glow);
}
.sn-docs aside a { border-left: 2px solid transparent; }
.sn-docs aside a:hover { color: var(--sn-text); }
/* Copy buttons. */
.sn-docs .copy-btn {
    font-family: var(--sn-mono);
    background: var(--sn-s2);
    border: 1px solid var(--sn-line);
    color: var(--sn-muted);
    border-radius: 8px;
    transition: all 180ms var(--sn-ease);
}
.sn-docs .copy-btn:hover { color: var(--sn-text); border-color: var(--sn-ice-a30); box-shadow: var(--sn-glow); }
/* Reading progress + back to top. */
.sn-doc-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    z-index: 60;
    transform-origin: left;
    transform: scaleX(0);
    background: linear-gradient(90deg, var(--sn-ice-2), var(--sn-aurora));
}
.sn-top {
    position: fixed;
    right: 1.1rem;
    bottom: 1.1rem;
    z-index: 60;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: var(--sn-on-ice);
    background: var(--sn-ice-3);
    box-shadow: var(--sn-glow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: all 240ms var(--sn-ease);
}
.sn-top.is-on { opacity: 1; pointer-events: auto; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .sn-docs .doc-section:not(.hidden) > div[class*="rounded-2xl"] { animation: none; }
}