/* ============================================================
   Distilltube — Design System (premium dark)
   ============================================================ */
:root {
  --bg:       #0a0b0e;
  --bg-2:     #0e1014;
  --panel:    #141720;
  --panel-2:  #1b1f2a;
  --border:   #262b37;
  --border-2: #333a49;
  --text:     #eef1f6;
  --muted:    #98a2b3;
  --muted-2:  #6b7280;
  --accent:   #ff5c49;
  --accent-2: #ffb86b;
  --accent-ink: #fff;
  --ok:   #34d399;
  --warn: #fbbf24;
  --err:  #f87171;
  --radius:   14px;
  --radius-sm:10px;
  --shadow:   0 10px 40px -12px rgba(0,0,0,.55);
  --shadow-sm:0 4px 18px -8px rgba(0,0,0,.5);
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, .display {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.5rem;
}
h1 { font-size: 1.9rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.05rem; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

p { margin: 0 0 0.9rem; }

.muted { color: var(--muted); }
.small { font-size: 0.82rem; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0.85rem 1.6rem;
  background: rgba(10,11,14,.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: "Space Grotesk", sans-serif; font-weight: 700;
  font-size: 1.05rem; color: var(--text); letter-spacing: -0.01em;
}
.brand:hover { color: var(--text); }
.logo-mark { width: 26px; height: 26px; display: block; }
.nav { flex: 1; display: flex; gap: 1.4rem; }
.nav a { color: var(--muted); font-size: 0.92rem; font-weight: 500; }
.nav a:hover { color: var(--text); }
.topbar-user { display: flex; align-items: center; gap: 1rem; }
.topbar-email {
  color: var(--muted); font-size: 0.85rem; max-width: 200px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.nav-signin { color: var(--muted); font-weight: 600; font-size: 0.9rem; }
.nav-signin:hover { color: var(--text); }
.btn-logout {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 0.45rem 0.9rem; border-radius: 8px; font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: border-color .15s;
}
.btn-logout:hover { border-color: var(--accent); }

/* ---------- Layout ---------- */
.site-main { flex: 1 0 auto; width: 100%; }
.container { max-width: 860px; margin: 0 auto; padding: 2rem 1.5rem; }
.wide { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Buttons ---------- */
button, .btn-primary, .btn-ghost {
  font-family: inherit; cursor: pointer; transition: transform .08s ease, box-shadow .15s, background .15s, border-color .15s;
}
button {
  padding: 0.62rem 1.1rem; border: none; border-radius: 10px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: 0.92rem;
}
button:hover { filter: brightness(1.05); }
button:active { transform: translateY(1px); }
button.secondary { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
button.secondary:hover { border-color: var(--border-2); filter: none; }
button.danger { background: transparent; border: 1px solid var(--err); color: var(--err); }
button.danger:hover { background: rgba(248,113,113,.1); filter: none; }

.btn-primary {
  display: inline-block; padding: 0.7rem 1.3rem; border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), #ff7a4d);
  color: var(--accent-ink); font-weight: 600; font-size: 0.95rem;
  box-shadow: 0 8px 24px -10px rgba(255,92,73,.7);
}
.btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 12px 30px -10px rgba(255,92,73,.8); }
.btn-sm { padding: 0.45rem 0.95rem; font-size: 0.85rem; border-radius: 9px; }
.btn-ghost {
  display: inline-block; padding: 0.7rem 1.3rem; border-radius: 11px;
  background: transparent; border: 1px solid var(--border-2); color: var(--text); font-weight: 600;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }

/* ---------- Forms ---------- */
input[type="text"], input[type="email"], input[type="password"], select, textarea {
  padding: 0.62rem 0.85rem; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 9px; color: var(--text); font-size: 0.95rem; font-family: inherit;
  transition: border-color .15s, box-shadow .15s; max-width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,92,73,.15);
}
textarea { width: 100%; resize: vertical; }
input[type="text"], input[type="email"], input[type="password"] { flex: 1; }

.row { display: flex; gap: 0.6rem; align-items: center; }
.row.spread { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 0.6rem; margin: 1rem 0; }

/* ---------- Cards ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem 1.4rem; margin: 1rem 0; box-shadow: var(--shadow-sm);
}
.card ul { margin: 0; padding-left: 1.2rem; }
.card li { margin: 0.2rem 0; }
.prose { white-space: pre-wrap; }

.add-box {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.4rem; margin-bottom: 1.6rem;
}

/* ---------- Library ---------- */
.channel-group { margin-bottom: 1.6rem; }
.channel-group-head { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.6rem; }
.channel-group-head h3 { margin: 0; }
.follow-form { margin: 0; }
.follow-btn {
  background: none; border: 1px solid var(--border); color: var(--muted);
  padding: 0.25rem 0.7rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; cursor: pointer;
}
.follow-btn:hover { border-color: var(--accent); color: var(--text); }
.follow-state { font-size: 0.75rem; }

.video-list { list-style: none; padding: 0; margin: 0; }
.video-list li {
  padding: 0.6rem 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 0.6rem;
}
.video-row { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--text); flex: 1; min-width: 0; font-weight: 500; }
.video-row:hover .video-row-title { color: var(--accent); }
.video-row-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.video-thumb-sm { width: 72px; height: 40px; object-fit: cover; border-radius: 6px; flex-shrink: 0; background: var(--panel-2); }

.badge {
  font-size: 0.7rem; padding: 0.12rem 0.5rem; border-radius: 999px;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); white-space: nowrap;
}
.badge.new { background: var(--accent); color: #fff; border: none; }
.badge.status-ready { color: var(--ok); }
.badge.status-pending { color: var(--warn); }
.badge.status-error { color: var(--err); }
.badge.status-no_transcript { color: var(--muted); }

/* ---------- Video detail ---------- */
.video-head { margin-bottom: 1rem; }
.video-thumb { width: 100%; max-width: 520px; border-radius: var(--radius); display: block; margin-bottom: 0.9rem; box-shadow: var(--shadow); }
.video-meta { display: flex; flex-wrap: wrap; gap: 1rem; color: var(--muted); font-size: 0.9rem; margin: 0.3rem 0 0.8rem; }
.video-actions { display: flex; gap: 0.5rem; }
.video-actions form { margin: 0; }

.video-description { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.85rem 1.2rem; margin-bottom: 1rem; }
.video-description summary { cursor: pointer; color: var(--accent); font-size: 0.9rem; font-weight: 600; }
.video-description-text { margin-top: 0.6rem; white-space: pre-wrap; font-size: 0.9rem; color: var(--text); max-width: 70ch; }
.video-description-text a { word-break: break-all; }

.dashboard { display: flex; gap: 0.8rem; margin: 1rem 0; }
.stat { flex: 1; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; text-align: center; }
.stat-value { font-family: "Space Grotesk"; font-size: 1.35rem; font-weight: 700; }
.stat-label { font-size: 0.76rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.2rem; }

.chapters { list-style: none; padding: 0; }
.chapters li { padding: 0.25rem 0; }
.ts { color: var(--accent); font-variant-numeric: tabular-nums; margin-right: 0.5rem; font-weight: 600; }

blockquote {
  margin: 0.6rem 0; padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--accent); color: var(--text); font-style: italic;
}
.quote-translation { display: block; margin-top: 0.3rem; color: var(--muted); font-size: 0.85rem; font-style: normal; }

.pdf-buttons { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.pill {
  display: inline-block; padding: 0.28rem 0.75rem; border: 1px solid var(--border);
  border-radius: 999px; background: var(--panel-2); color: var(--text); font-size: 0.82rem;
}
.pill:hover { border-color: var(--accent); color: var(--text); }
.email-form { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.9rem; flex-wrap: wrap; }
.regen-form { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.6rem; }
.regen-form select { width: 100%; }
.regen-form button { align-self: flex-start; }

/* ---------- Chat ---------- */
.chat #chat-log { display: flex; flex-direction: column; gap: 0.7rem; margin-bottom: 1rem; }
.msg { padding: 0.7rem 0.9rem; border-radius: 12px; background: var(--panel-2); }
.msg.user { background: #21262f; }
.msg.error { background: transparent; }
.msg-role { font-size: 0.72rem; color: var(--muted); margin-bottom: 0.25rem; display: flex; gap: 0.4rem; align-items: center; }
.msg-body { white-space: pre-wrap; }
#chat-form { display: flex; gap: 0.5rem; }
.toggle { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--muted); margin-bottom: 0.8rem; cursor: pointer; }
.toggle input { width: auto; }

/* ---------- Status / messages ---------- */
.status-box { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.6rem; text-align: center; color: var(--muted); }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
.htmx-indicator { opacity: 0; color: var(--muted); font-size: 0.85rem; transition: opacity .2s; }
.htmx-request.htmx-indicator, .htmx-request .htmx-indicator { opacity: 1; }

.error, .error-box { color: var(--err); }
.error-box { background: var(--panel); border: 1px solid var(--err); border-radius: var(--radius); padding: 1rem 1.3rem; }
.info-box { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.3rem; }
.info-box strong { color: var(--text); }
.notice { background: rgba(52,211,153,.1); border: 1px solid rgba(52,211,153,.3); border-radius: 9px; padding: 0.8rem 1rem; color: var(--text); font-size: 0.9rem; }

/* ---------- Comments ---------- */
.comment-list { list-style: none; padding: 0; margin: 0.5rem 0 0; }
.comment-list li { padding: 0.6rem 0; border-bottom: 1px solid var(--border); }
.comment-head { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--muted); margin-bottom: 0.2rem; }
.comment-author { font-weight: 600; }
.comment-text { white-space: pre-wrap; }

/* ---------- Channels admin ---------- */
.channel-admin { list-style: none; padding: 0; }
.channel-admin li { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.8rem; padding: 0.8rem 0; border-bottom: 1px solid var(--border); }
.channel-admin form { margin: 0; }
.channel-info { flex: 1; }
.channel-avatar { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.channel-about { margin-top: 0.5rem; }
.channel-about summary { cursor: pointer; color: var(--accent); font-size: 0.85rem; }
.channel-about-text { margin-top: 0.4rem; white-space: pre-wrap; font-size: 0.85rem; color: var(--text); max-width: 60ch; }
.channel-about-text a { word-break: break-all; }
.channel-style { margin-top: 0.5rem; display: flex; flex-direction: column; gap: 0.2rem; }
.channel-style select { max-width: 320px; }

/* ---------- Help / forms ---------- */
.help { margin-top: 0.9rem; }
.help summary, details summary { cursor: pointer; color: var(--accent); font-size: 0.9rem; }
.help-body { margin-top: 0.6rem; font-size: 0.9rem; }
.help-body code, code { background: var(--panel-2); padding: 0.1rem 0.4rem; border-radius: 5px; font-size: 0.85em; }
.help-body p { margin: 0.45rem 0; }
.form-grid { display: flex; flex-direction: column; gap: 0.9rem; margin-top: 1rem; }
.form-grid label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; color: var(--muted); }
.form-grid select { color: var(--text); }
.form-grid button { align-self: flex-start; }
.divider { border: none; border-top: 1px solid var(--border); margin: 1.3rem 0 0.6rem; }
.style-list { list-style: none; padding: 0; margin: 0.5rem 0 1rem; }
.style-list li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.6rem 0; border-bottom: 1px solid var(--border); }
.style-list form { margin: 0; }
.danger-zone { border-color: var(--err); }
.danger-zone h2 { color: var(--err); }
.danger-zone .stack { max-width: 380px; }

/* ---------- Auth ---------- */
.auth-box { max-width: 400px; margin: 3.5rem auto; background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 2.2rem; text-align: center; box-shadow: var(--shadow); }
.auth-brand { display: flex; align-items: center; justify-content: center; gap: 0.6rem; margin-bottom: 0.6rem; }
.auth-brand .logo-mark { width: 40px; height: 40px; }
.auth-brand h1 { font-size: 1.6rem; margin: 0; }
.auth-tagline { color: var(--muted); font-size: 0.95rem; margin: 0 0 1.5rem; }
.auth-links { display: flex; flex-direction: column; gap: 0.45rem; margin-top: 1.1rem; font-size: 0.9rem; }

/* ============================================================
   Landing / marketing
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  padding: 5.5rem 1.5rem 4rem; text-align: center;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(60% 50% at 50% -5%, rgba(255,92,73,.22), transparent 70%),
    radial-gradient(40% 40% at 85% 10%, rgba(255,184,107,.12), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); background: rgba(255,92,73,.1);
  border: 1px solid rgba(255,92,73,.25); padding: 0.3rem 0.8rem; border-radius: 999px; margin-bottom: 1.3rem;
}
.hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); margin-bottom: 1rem; }
.hero h1 .grad { background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: 1.15rem; color: var(--muted); max-width: 600px; margin: 0 auto 2rem; }
.hero-cta { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 1rem; font-size: 0.85rem; color: var(--muted-2); }

.hero-visual { max-width: 720px; margin: 3rem auto 0; position: relative; z-index: 1; }
.hero-visual svg { width: 100%; height: auto; display: block; filter: drop-shadow(0 20px 50px rgba(0,0,0,.5)); }

section.block { max-width: var(--maxw); margin: 0 auto; padding: 4rem 1.5rem; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.section-head h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
.section-head p { color: var(--muted); font-size: 1.05rem; }

.cards-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.2rem; }
.feature {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; transition: transform .15s, border-color .15s;
}
.feature:hover { transform: translateY(-3px); border-color: var(--border-2); }
.feature .ficon { width: 44px; height: 44px; border-radius: 11px; display: flex; align-items: center; justify-content: center; background: rgba(255,92,73,.12); margin-bottom: 1rem; }
.feature .ficon svg { width: 24px; height: 24px; stroke: var(--accent); fill: none; stroke-width: 1.8; }
.feature h3 { margin-bottom: 0.4rem; }
.feature p { color: var(--muted); font-size: 0.95rem; margin: 0; }

.steps { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 0; counter-reset: step; }
.step { display: flex; gap: 1.1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--border); }
.step:last-child { border-bottom: none; }
.step-num {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #ff7a4d); color: #fff;
  font-family: "Space Grotesk"; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.step-body h3 { margin-bottom: 0.2rem; font-size: 1rem; }
.step-body p { color: var(--muted); margin: 0; font-size: 0.95rem; }

.cta-band {
  max-width: var(--maxw); margin: 1rem auto 4rem; padding: 3rem 2rem; text-align: center;
  background: linear-gradient(135deg, rgba(255,92,73,.14), rgba(255,184,107,.08));
  border: 1px solid rgba(255,92,73,.25); border-radius: 20px;
}
.cta-band h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
.cta-band p { color: var(--muted); max-width: 520px; margin: 0 auto 1.6rem; }

/* article / info pages */
.article { max-width: 720px; margin: 0 auto; padding: 3rem 1.5rem; }
.article h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); margin-bottom: 1rem; }
.article .lead { font-size: 1.15rem; color: var(--muted); margin-bottom: 2rem; }
.article h2 { margin-top: 2.2rem; }
.article p, .article li { color: #d7dbe3; }
.faq-item { border-bottom: 1px solid var(--border); padding: 1rem 0; }
.faq-item summary { font-family: "Space Grotesk"; font-weight: 600; color: var(--text); font-size: 1.02rem; }
.faq-item p { margin: 0.7rem 0 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-2); margin-top: 2rem; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 2rem 1.5rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.footer-brand { display: flex; align-items: center; gap: 0.5rem; font-family: "Space Grotesk"; font-weight: 700; }
.footer-brand .logo-mark { width: 22px; height: 22px; }
.footer-links { flex: 1; display: flex; gap: 1.3rem; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--text); }
.footer-note { color: var(--muted-2); font-size: 0.82rem; width: 100%; }

@media (max-width: 640px) {
  .topbar { gap: 0.8rem; padding: 0.7rem 1rem; }
  .nav { gap: 0.9rem; }
  .topbar-email { display: none; }
  .dashboard { flex-direction: column; }
}