/* Tanso TV site styles — no frameworks, no external requests. */
:root {
  --bg: #0b0e14;
  --bg2: #10141c;
  --card: #141a25;
  --card2: #18202d;
  --line: #232c3c;
  --text: #e9edf3;
  --muted: #9aa5b5;
  --faint: #6b7688;
  --accent: #ff453a;
  --accent-dim: rgba(255, 69, 58, 0.12);
  --accent-text: #ff6b62;
  --ok: #34c759;
  --radius: 14px;
  --wrap: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.rec-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px rgba(255,69,58,.8); }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover, .nav-links a.active { color: var(--text); text-decoration: none; }
.nav-cta {
  background: var(--accent); color: #fff !important; font-weight: 600;
  padding: 8px 18px; border-radius: 999px;
}
.nav-cta:hover { background: #e0352b; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 6px 12px; font-size: 1.1rem; cursor: pointer; }

/* ---------- hero ---------- */
.hero { padding: 96px 0 72px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 300px at 50% 0%, rgba(255,69,58,.12), transparent 70%);
}
.eyebrow {
  display: inline-block; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 6px 16px; margin-bottom: 24px;
  background: var(--bg2);
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.12; margin: 0 0 20px; letter-spacing: -0.02em; }
.hero h1 .rec { color: var(--accent); }
.hero p.lede { font-size: 1.2rem; color: var(--muted); max-width: 640px; margin: 0 auto 36px; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px; border-radius: 12px; font-weight: 650; font-size: 1rem;
  border: 1px solid transparent; cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #e0352b; }
.btn-ghost { border-color: var(--line); color: var(--text); background: var(--bg2); }
.btn-ghost:hover { border-color: var(--faint); }
.platform-badges { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; color: var(--faint); font-size: 0.9rem; }
.platform-badges span { border: 1px solid var(--line); border-radius: 8px; padding: 6px 14px; background: var(--bg2); }

.hero-shot {
  margin: 56px auto 0; max-width: 860px;
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: linear-gradient(180deg, var(--card2), var(--bg2));
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.hero-shot .shot-bar { display: flex; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.shot-bar i { width: 12px; height: 12px; border-radius: 50%; background: var(--line); display: block; }
.shot-bar i:first-child { background: var(--accent); }
.shot-body { padding: 48px 32px; color: var(--faint); }
.shot-body .big { font-size: 3rem; margin-bottom: 12px; }

/* ---------- sections ---------- */
.section { padding: 72px 0; }
.section.alt { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.01em; margin: 0 0 12px; text-align: center; }
.section .sub { color: var(--muted); text-align: center; max-width: 640px; margin: 0 auto 48px; }

.grid { display: grid; gap: 20px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-3px); border-color: #33405270; border-color: var(--faint); }
.card .icon { font-size: 1.8rem; margin-bottom: 14px; }
.card h3 { margin: 0 0 10px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.96rem; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step);
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-dim); color: var(--accent-text); font-weight: 700; margin-bottom: 16px;
}
.step h3 { margin: 0 0 8px; }
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* ---------- download cards ---------- */
.dl-card { text-align: center; display: flex; flex-direction: column; }
.dl-card .os { font-size: 2.4rem; margin-bottom: 8px; }
.dl-card h3 { margin: 0 0 4px; }
.dl-card .ver { color: var(--faint); font-size: 0.85rem; margin-bottom: 18px; font-family: var(--mono); }
.dl-card .btn { justify-content: center; margin-bottom: 14px; }
.dl-card .meta { color: var(--faint); font-size: 0.85rem; margin-top: auto; }
.req { margin-top: 8px; font-size: 0.9rem; color: var(--muted); text-align: left; }
.req li { margin-bottom: 6px; }

.checksum {
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 14px; font-family: var(--mono); font-size: 0.78rem; color: var(--muted);
  word-break: break-all; margin-top: 12px; text-align: left;
}

/* ---------- docs ---------- */
.doc-layout { display: grid; grid-template-columns: 240px 1fr; gap: 48px; align-items: start; }
.doc-nav { position: sticky; top: 88px; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: var(--bg2); font-size: 0.92rem; }
.doc-nav h4 { margin: 0 0 12px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); }
.doc-nav ul { list-style: none; margin: 0; padding: 0; }
.doc-nav li { margin-bottom: 8px; }
.doc-nav a { color: var(--muted); }
.doc-nav a.active, .doc-nav a:hover { color: var(--text); text-decoration: none; }
.doc h1 { font-size: 2rem; margin: 0 0 8px; letter-spacing: -0.01em; }
.doc .updated { color: var(--faint); font-size: 0.85rem; margin-bottom: 32px; }
.doc h2 { font-size: 1.35rem; margin: 40px 0 12px; text-align: left; }
.doc h3 { font-size: 1.1rem; margin: 28px 0 8px; }
.doc p, .doc li { color: #c9d1dd; }
.doc ol.steps-list { counter-reset: li; list-style: none; padding: 0; }
.doc ol.steps-list > li {
  position: relative; padding: 18px 18px 18px 64px; margin-bottom: 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
}
.doc ol.steps-list > li::before {
  counter-increment: li; content: counter(li);
  position: absolute; left: 18px; top: 18px;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent-dim); color: var(--accent-text);
  font-weight: 700; font-size: 0.9rem; display: flex; align-items: center; justify-content: center;
}
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 8px; }
code { font-family: var(--mono); background: var(--bg2); border: 1px solid var(--line); border-radius: 6px; padding: 2px 7px; font-size: 0.88em; }
pre { background: #070a0f; border: 1px solid var(--line); border-radius: 10px; padding: 18px; overflow-x: auto; }
pre code { background: none; border: none; padding: 0; }
.callout {
  border-left: 3px solid var(--accent); background: var(--accent-dim);
  padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 24px 0; font-size: 0.95rem;
}
.callout strong { color: var(--accent-text); }

/* ---------- share ---------- */
.share-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
.share-btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  padding: 10px 20px; border-radius: 999px; font-size: 0.92rem; cursor: pointer; font-family: var(--font);
}
.share-btn:hover { border-color: var(--faint); text-decoration: none; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 48px 0 32px; background: var(--bg2); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
.foot-grid h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); margin: 0 0 14px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 10px; }
.foot-grid a { color: var(--muted); font-size: 0.93rem; }
.foot-brand p { color: var(--faint); font-size: 0.9rem; max-width: 280px; }
.foot-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--faint); font-size: 0.85rem; border-top: 1px solid var(--line); padding-top: 24px; }

/* ---------- misc ---------- */
.page-hero { padding: 72px 0 48px; text-align: center; }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin: 0 0 14px; letter-spacing: -0.01em; }
.page-hero p { color: var(--muted); max-width: 640px; margin: 0 auto; font-size: 1.1rem; }
.legal { max-width: 760px; margin: 0 auto; }
.legal h2 { text-align: left; font-size: 1.3rem; margin: 36px 0 10px; }
.legal p, .legal li { color: #c9d1dd; }
.prose-narrow { max-width: 760px; margin: 0 auto; }
.center { text-align: center; }
.mt-2 { margin-top: 16px; } .mt-4 { margin-top: 32px; } .mb-4 { margin-bottom: 32px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 14px; }
.faq-item h3 { margin: 0 0 8px; font-size: 1.05rem; }
.faq-item p { margin: 0; color: var(--muted); }

.card .icon svg { width: 32px; height: 32px; }
.dl-card .os svg { width: 42px; height: 42px; }
.platform-badges svg { width: 18px; height: 18px; vertical-align: -4px; margin-right: 6px; }

/* ---------- comments ---------- */
.comments { border-top: 1px solid var(--line); padding-top: 32px; }
.comments h2 { font-size: 1.3rem; text-align: left; margin-bottom: 8px; }

@media (max-width: 900px) {
  .grid.cols-3, .steps { grid-template-columns: 1fr 1fr; }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-nav { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid.cols-3, .grid.cols-2, .steps { grid-template-columns: 1fr; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; background: var(--bg2); border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px; gap: 14px; align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; margin-left: auto; }
  .hero { padding: 64px 0 48px; }
  .section { padding: 48px 0; }
  .foot-grid { grid-template-columns: 1fr; }
}

/* Comments (D1-backed widget + /admin.html moderation) */
.c-list { margin: 18px 0 28px; }
.c-empty { color: var(--faint); }
.c-item { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-bottom: 12px; background: var(--bg2); }
.c-meta { display: flex; gap: 10px; align-items: baseline; margin-bottom: 6px; }
.c-meta strong { font-size: 0.95rem; }
.c-time { color: var(--faint); font-size: 0.8rem; }
.c-body { margin: 0; white-space: pre-wrap; color: var(--muted); }
.c-form { display: flex; flex-direction: column; gap: 10px; max-width: 640px; }
.c-name, .c-body-input { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; color: var(--text); font: inherit; }
.c-body-input { min-height: 100px; resize: vertical; }
.c-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.c-note { color: var(--faint); font-size: 0.85rem; }
.c-status { color: var(--muted); font-size: 0.9rem; min-height: 1.4em; margin: 0; }
.c-honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }