/* Wakewand — standby-LED / CRT phosphor theme */

:root {
    --bg: #0b0f14;
    --bg-raise: #111823;
    --ink: #dbe7f4;
    --muted: #8fa3b8;
    --line: #223141;
    --glow: #46e08c;
    --glow-dim: #1f5c3c;
    --amber: #e0b346;
    --red: #e05a5a;
    --accent: #57b8ff;
    --radius: 14px;
    color-scheme: dark;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background:
        radial-gradient(1100px 500px at 70% -10%, #14304d55, transparent 60%),
        radial-gradient(900px 420px at 10% 110%, #10402955, transparent 60%),
        var(--bg);
    color: var(--ink);
    font: 400 1rem/1.6 system-ui, "Segoe UI", Roboto, sans-serif;
    min-height: 100dvh;
}

.wrap { max-width: 62rem; margin: 0 auto; padding: 1.25rem 1.25rem 3rem; }

.skip-link {
    position: absolute; left: -999px; top: 0;
    background: var(--glow); color: #04110a; padding: .5rem .9rem; border-radius: 0 0 8px 0;
    z-index: 10;
}
.skip-link:focus { left: 0; }

/* ---- hero ---- */
.hero { text-align: center; padding: 2rem 0 1rem; }
.back { color: var(--muted); text-decoration: none; font-size: .9rem; }
.back:hover, .foot a:hover { color: var(--glow); }
.hero-mark {
    font-size: 3.2rem; line-height: 1; margin: 1rem auto .3rem; width: fit-content;
    filter: drop-shadow(0 0 18px #46e08c66);
}
h1 {
    margin: 0 0 .4rem;
    font-size: clamp(2rem, 6vw, 2.8rem);
    letter-spacing: .04em;
    text-shadow: 0 0 24px #46e08c40;
}
.lede { max-width: 44rem; margin: 0 auto; color: var(--muted); }
.lede strong { color: var(--ink); }

.autoline {
    margin: 1.1rem auto .2rem;
    font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
    font-size: .95rem;
    color: var(--glow);
}

.actions { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; margin-top: .9rem; }

.btn {
    font: 600 1rem/1 inherit;
    padding: .75rem 1.2rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--bg-raise);
    color: var(--ink);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); border-color: var(--glow-dim); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary {
    background: linear-gradient(180deg, #1c6b43, #145032);
    border-color: #2c8a58;
    box-shadow: 0 0 22px #46e08c33;
}
.btn-primary:hover:not(:disabled) { box-shadow: 0 0 30px #46e08c55; }

/* ---- channel cards ---- */
.channels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(21rem, 100%), 1fr));
    gap: 1rem;
    margin-top: 2rem;
}
.card {
    background: var(--bg-raise);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.1rem 1.2rem 1.2rem;
}
.card h2 { margin: 0 0 .5rem; font-size: 1.15rem; letter-spacing: .02em; }
.card-sub { color: var(--muted); font-size: .92rem; margin: 0 0 .8rem; }
.card-sub code, .explain code {
    background: #0a121c; border: 1px solid var(--line); border-radius: 5px;
    padding: .05rem .35rem; font-size: .85em; color: var(--accent);
}
.card-actions { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .8rem; }
.card-actions .btn { font-size: .88rem; padding: .55rem .95rem; }

.status { margin: .2rem 0 .6rem; }
.pill {
    display: inline-block;
    font: 600 .8rem/1 ui-monospace, Consolas, monospace;
    letter-spacing: .04em;
    padding: .4rem .7rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--muted);
}
.pill.on { color: #073; background: var(--glow); border-color: var(--glow); color: #04110a; box-shadow: 0 0 14px #46e08c55; }
.pill.idle { color: var(--amber); border-color: #6b5620; }
.pill.off { color: var(--red); border-color: #5c2a2a; }

.devlist { margin: 0 0 .4rem; padding-left: 1.2rem; color: var(--muted); font-size: .9rem; }
.devlist li { margin: .15rem 0; }

.snippet {
    background: #0a121c;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: .7rem .9rem;
    overflow-x: auto;
    font-size: .85rem;
    color: var(--glow);
    margin: .3rem 0 .2rem;
}

/* ---- log ---- */
.logwrap { margin-top: 2rem; }
.logwrap h2, .explain h2 { font-size: 1.2rem; letter-spacing: .03em; }
.log {
    background: #060a10;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .8rem 1rem;
    height: 14rem;
    overflow-y: auto;
    font: 400 .82rem/1.55 ui-monospace, "Cascadia Mono", Consolas, monospace;
}
.log:empty::before { content: "waiting for the first CEC frame…"; color: var(--muted); }
.logline { white-space: pre-wrap; word-break: break-word; }
.logline.tx { color: var(--accent); }
.logline.rx { color: var(--glow); }
.logline.info { color: var(--muted); }

/* ---- explainer + footer ---- */
.explain { margin-top: 2.2rem; }
.explain h3 { font-size: 1rem; color: var(--amber); }
.explain p, .steps li { color: var(--muted); }
.steps li { margin: .45rem 0; }
.steps strong, .explain p strong { color: var(--ink); }

.note {
    border-left: 3px solid var(--accent);
    background: #0e1826;
    padding: .6rem .9rem;
    border-radius: 0 8px 8px 0;
    font-size: .92rem;
}
.note.warn { border-color: var(--amber); background: #201a0c; color: var(--amber); }

.foot {
    margin-top: 3rem; padding-top: 1rem;
    border-top: 1px solid var(--line);
    text-align: center; color: var(--muted); font-size: .9rem;
}
.foot a { color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn { transition: none; }
}