:root {
  --bg: #f5f4f0;
  --surface: #ffffff;
  --surface-2: #faf9f6;
  --ink: #16171b;
  --ink-2: #4a4d55;
  --ink-3: #868992;
  --line: #e7e5df;
  --line-2: #d9d6ce;
  --accent: #e5484d;
  --accent-ink: #b8282d;
  --accent-soft: #fdeeee;
  --ok: #1f8a5b;
  --ok-soft: #e7f5ee;
  --warn: #a86b00;
  --warn-soft: #fbf2df;
  --info: #3451b2;
  --info-soft: #edf0fb;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(22, 23, 27, .04), 0 4px 16px rgba(22, 23, 27, .04);
  --side: 236px;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-size: 15px; line-height: 1.5; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; letter-spacing: -.015em; line-height: 1.2; }
h1 { font-size: 28px; font-weight: 650; }
h2 { font-size: 19px; font-weight: 620; }
h3 { font-size: 16px; font-weight: 600; }
p { margin: 0; }
.i { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.i.sm { width: 15px; height: 15px; }
.i.lg { width: 22px; height: 22px; }
.muted { color: var(--ink-2); }
.faint { color: var(--ink-3); }
.small { font-size: 13px; }
.xs { font-size: 12px; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.row { display: flex; align-items: center; gap: 10px; }
.row.wrap { flex-wrap: wrap; }
.between { justify-content: space-between; }
.stack > * + * { margin-top: 12px; }
.stack-lg > * + * { margin-top: 28px; }
.grow { flex: 1; min-width: 0; }
.hidden { display: none !important; }

/* ---------- Shell ---------- */
.app { display: grid; grid-template-columns: var(--side) 1fr; min-height: 100vh; }
.side {
  position: sticky; top: 0; height: 100vh; padding: 20px 14px;
  border-right: 1px solid var(--line); background: var(--surface-2);
  display: flex; flex-direction: column; gap: 22px;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--ink); display: grid; place-items: center; flex: none; }
.brand-mark span { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(229, 72, 77, .28); }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: -.02em; }
.brand-sub { font-size: 11.5px; color: var(--ink-3); line-height: 1.2; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: 11px; padding: 9px 10px; border-radius: 9px;
  color: var(--ink-2); font-weight: 500; font-size: 14.5px;
}
.nav a:hover { background: #efede8; color: var(--ink); }
.nav a.active { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.nav .count { margin-left: auto; font-size: 11.5px; font-weight: 600; background: var(--accent); color: #fff; border-radius: 99px; padding: 1px 7px; }
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }
.me { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 10px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 650; background: #e9e6df; color: var(--ink-2); flex: none; }
.avatar.lg { width: 44px; height: 44px; font-size: 14px; }
.avatar.ink { background: var(--ink); color: #fff; }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 12px;
  padding: 12px 32px; background: rgba(245, 244, 240, .86); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}
.topbar.scrolled { border-bottom-color: var(--line); }
.crumbs { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--ink-3); min-width: 0; }
.crumbs a:hover { color: var(--ink); }
.crumbs b { color: var(--ink); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.top-brand { display: none; }
.seg { display: inline-flex; padding: 3px; background: #ebe9e3; border-radius: 10px; gap: 2px; }
.seg button { border: 0; background: transparent; padding: 6px 12px; border-radius: 8px; font-size: 13.5px; font-weight: 550; color: var(--ink-2); }
.seg button.on { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }
.icon-btn { width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); display: grid; place-items: center; color: var(--ink-2); }
.icon-btn:hover { color: var(--ink); border-color: var(--line-2); }

.page { width: 100%; max-width: 1140px; margin: 0 auto; padding: 16px 32px 80px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin: 8px 0 26px; flex-wrap: wrap; }
.page-head p { margin-top: 6px; color: var(--ink-2); max-width: 620px; }

.tabbar { display: none; }

/* ---------- Primitives ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card.flat { box-shadow: none; }
.card.pad-0 { padding: 0; overflow: hidden; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-head h3 { display: flex; align-items: center; gap: 8px; }
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 22px; align-items: start; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 15px;
  border-radius: 10px; border: 1px solid var(--line-2); background: var(--surface); font-weight: 560; font-size: 14px;
  white-space: nowrap; transition: background .12s, border-color .12s;
}
.btn:hover { border-color: #c5c1b7; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.primary:hover { background: #2b2d33; }
.btn.live { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.live:hover { background: var(--accent-ink); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--ink-2); }
.btn.ghost:hover { background: #ebe9e3; color: var(--ink); }
.btn.sm { padding: 6px 11px; font-size: 13px; border-radius: 8px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.link { color: var(--ink); font-weight: 560; display: inline-flex; align-items: center; gap: 4px; }
.link:hover { text-decoration: underline; text-underline-offset: 3px; }

.tag { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 560; padding: 2px 8px; border-radius: 99px; background: #efede8; color: var(--ink-2); white-space: nowrap; }
.tag.ok { background: var(--ok-soft); color: var(--ok); }
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.tag.live { background: var(--accent-soft); color: var(--accent-ink); }
.tag.info { background: var(--info-soft); color: var(--info); }
.tag.illus { background: transparent; border: 1px dashed var(--line-2); color: var(--ink-3); }

.bar { height: 6px; border-radius: 99px; background: #ebe9e3; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--ink); border-radius: inherit; }
.bar.ok > span { background: var(--ok); }
.row > .bar { flex: 1; min-width: 60px; }

.list { display: flex; flex-direction: column; }
.list-row { display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-top: 1px solid var(--line); }
.list-row:first-child { border-top: 0; }
a.list-row:hover, button.list-row:hover { background: var(--surface-2); }
button.list-row { border: 0; border-top: 1px solid var(--line); background: none; text-align: left; width: 100%; }
.status-ico { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; flex: none; border: 1.5px solid var(--line-2); color: var(--ink-3); background: var(--surface); }
.status-ico .i { width: 14px; height: 14px; }
.status-ico.done { background: var(--ok); border-color: var(--ok); color: #fff; }
.status-ico.done .i { stroke-width: 3; }
.status-ico.now { border-color: var(--ink); color: var(--ink); }
.status-ico.session { border-radius: 8px; border-color: var(--info); color: var(--info); background: var(--info-soft); }
.status-ico.session.done { background: var(--info); color: #fff; }

.kpi { display: flex; flex-direction: column; gap: 4px; }
.kpi b { font-size: 26px; font-weight: 650; letter-spacing: -.02em; }

.empty { padding: 28px; text-align: center; color: var(--ink-3); }

/* ---------- Home ---------- */
.hero { display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; }
.next-up { position: relative; padding: 26px; background: var(--ink); color: #fff; border: 0; display: flex; flex-direction: column; gap: 18px; min-height: 230px; }
.next-up .eyebrow { color: rgba(255, 255, 255, .55); }
.next-up h2 { font-size: 24px; }
.next-up .muted { color: rgba(255, 255, 255, .72); }
.next-up .btn.primary { background: #fff; color: var(--ink); border-color: #fff; }
.next-up .bar { background: rgba(255, 255, 255, .15); }
.next-up .bar > span { background: #fff; }
.next-up .meta { display: flex; gap: 16px; font-size: 13px; color: rgba(255, 255, 255, .7); flex-wrap: wrap; }
.next-up .meta span { display: inline-flex; gap: 6px; align-items: center; }

.session-card .when { font-size: 22px; font-weight: 650; letter-spacing: -.02em; }
.prep-list { display: flex; flex-direction: column; gap: 8px; margin: 14px 0 16px; }
.prep-item { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.prep-item.on span { color: var(--ink-3); text-decoration: line-through; }
.check-dot { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--line-2); flex: none; margin-top: 1px; display: grid; place-items: center; background: var(--surface); padding: 0; color: #fff; }
.check-dot.on { background: var(--ok); border-color: var(--ok); }
.check-dot .i { width: 11px; height: 11px; stroke-width: 3; }

/* Course path */
.path { display: grid; grid-template-columns: repeat(4, 1fr); }
.phase { padding-right: 16px; position: relative; }
.phase-head { display: flex; flex-direction: column; gap: 2px; margin-bottom: 14px; }
.phase-head b { font-size: 14.5px; }
.phase-track { display: flex; align-items: center; position: relative; }
.phase-track::before { content: ""; position: absolute; left: 0; right: -16px; top: 50%; height: 2px; background: var(--line); }
.phase:last-child .phase-track::before { right: 0; }
.phase-track.filled::before { background: var(--ok); }
.node { position: relative; z-index: 1; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); border: 1.5px solid var(--line-2); color: var(--ink-3); font-size: 12px; font-weight: 650; margin-right: 12px; }
.node .i { width: 14px; height: 14px; }
.node.done { background: var(--ok); border-color: var(--ok); color: #fff; }
.node.now { border: 2px solid var(--ink); color: var(--ink); box-shadow: 0 0 0 4px rgba(22, 23, 27, .08); }
.node.sess { border-radius: 9px; border-color: var(--info); color: var(--info); background: var(--info-soft); }
.node.sess.done { background: var(--info); border-color: var(--info); color: #fff; }
.phase-mods { margin-top: 12px; display: flex; flex-direction: column; gap: 3px; font-size: 13px; color: var(--ink-2); }
.phase-mods a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

.ready-list { display: flex; flex-direction: column; gap: 14px; }
.ready-item { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: center; font-size: 14px; }
.ready-item .bar { grid-column: 1 / -1; }

.feedback-quote { border-left: 2px solid var(--line-2); padding: 2px 0 2px 14px; color: var(--ink-2); font-size: 14.5px; }

/* ---------- Learn ---------- */
.how { display: grid; grid-template-columns: repeat(4, 1fr); padding: 0; }
.how > div { padding: 18px 20px; display: flex; gap: 12px; align-items: flex-start; border-left: 1px solid var(--line); }
.how > div:first-child { border-left: 0; }
.how .ico { width: 34px; height: 34px; border-radius: 10px; background: #f0eee9; display: grid; place-items: center; flex: none; }
.how b { display: block; font-size: 14px; }
.how span { font-size: 13px; color: var(--ink-2); }

.phase-block { display: grid; grid-template-columns: 180px 1fr; gap: 24px; }
.phase-block + .phase-block { margin-top: 30px; }
.phase-label { padding-top: 14px; }
.phase-label .faint { font-size: 13px; }
.mod-row .num { font-size: 12px; font-weight: 650; color: var(--ink-3); width: 22px; }
.mod-row .title { font-weight: 600; }
.mod-row .sub { font-size: 13.5px; color: var(--ink-2); }
.mod-row .prog { width: 120px; display: flex; flex-direction: column; gap: 6px; align-items: flex-end; font-size: 12px; color: var(--ink-3); }
.mod-row .prog .bar { width: 100%; }

.outcome { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; font-size: 14.5px; max-width: 640px; }
.lesson-row .type { width: 92px; justify-content: center; }
.type-understand { background: var(--info-soft) !important; color: var(--info) !important; }
.type-memorize { background: var(--warn-soft) !important; color: var(--warn) !important; }
.type-perform { background: var(--accent-soft) !important; color: var(--accent-ink) !important; }
.type-reference { background: #efede8 !important; color: var(--ink-2) !important; }
.side-panel .card + .card { margin-top: 14px; }
.mini-link { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 14px; }
.card-head + .mini-link, .mini-link:first-child { border-top: 0; }
.mini-link:hover b { text-decoration: underline; text-underline-offset: 3px; }
.mini-link .ico { width: 30px; height: 30px; border-radius: 8px; background: #f0eee9; display: grid; place-items: center; flex: none; color: var(--ink-2); }

/* Lesson reader */
.reader { max-width: 720px; margin: 0 auto; }
.reader-head { display: flex; flex-direction: column; gap: 10px; margin: 6px 0 26px; }
.steps { display: flex; gap: 4px; }
.steps a { flex: 1; height: 4px; border-radius: 99px; background: #e3e0d9; }
.steps a.done { background: var(--ok); }
.steps a.cur { background: var(--ink); }
.block + .block { margin-top: 26px; }
.lead { font-size: 19px; line-height: 1.5; letter-spacing: -.01em; }
.block-title { font-size: 12px; font-weight: 600; color: var(--ink-3); margin-bottom: 10px; text-transform: uppercase; letter-spacing: .06em; }
.flow { display: flex; align-items: stretch; gap: 6px; flex-wrap: wrap; }
.flow-step { flex: 1 1 110px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.flow-step b { display: block; font-size: 14px; }
.flow-step span { font-size: 12.5px; color: var(--ink-2); line-height: 1.4; display: block; margin-top: 3px; }
.flow-step .n { font-size: 11px; color: var(--ink-3); font-weight: 650; margin: 0 0 2px; }
.flow-arrow { display: grid; place-items: center; color: var(--ink-3); flex: none; }
.flow-arrow .i { width: 14px; height: 14px; }
.loop-note { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); margin-top: 8px; }

.ladder { display: flex; flex-direction: column; gap: 6px; }
.ladder-row { display: grid; grid-template-columns: 150px 1fr; gap: 14px; align-items: center; font-size: 14px; }
.ladder-row .lbar { height: 30px; border-radius: 8px; background: linear-gradient(90deg, #c6d0f1, var(--info)); display: flex; align-items: center; padding: 0 10px; color: #fff; font-size: 12.5px; font-weight: 500; white-space: nowrap; overflow: hidden; }
.ladder-axis { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); margin-left: 164px; margin-top: 4px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.mini { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.mini b { display: flex; align-items: center; gap: 8px; font-size: 14.5px; }
.mini p { font-size: 13.5px; color: var(--ink-2); margin-top: 4px; }
.mini .ex { font-size: 12.5px; color: var(--ink-3); margin-top: 8px; }
.mini .n { width: 22px; height: 22px; border-radius: 6px; background: var(--ink); color: #fff; font-size: 12px; display: grid; place-items: center; flex: none; }
.mini ul { margin: 8px 0 0; padding-left: 16px; font-size: 13.5px; color: var(--ink-2); }

.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.versus > div { border-radius: 12px; padding: 14px 16px; border: 1px solid var(--line); background: var(--surface); }
.versus > div.good { border-color: #cfe7da; background: #f6fbf8; }
.versus ul { margin: 8px 0 0; padding-left: 18px; font-size: 14px; color: var(--ink-2); }

.compare { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--surface); }
.compare-row { display: grid; grid-template-columns: 1fr 1fr; }
.compare-row + .compare-row { border-top: 1px solid var(--line); }
.compare-row > div { padding: 11px 14px; font-size: 14px; display: flex; gap: 9px; align-items: flex-start; }
.compare-row > div .i { margin-top: 2px; width: 15px; height: 15px; }
.compare-row > div:first-child { color: var(--ink-3); background: #fdfafa; }
.compare-row > div:first-child .i { color: var(--accent); }
.compare-row > div:last-child .i { color: var(--ok); }
.compare-head > div { font-size: 12px; font-weight: 600; color: var(--ink-3) !important; text-transform: uppercase; letter-spacing: .05em; background: var(--surface-2) !important; padding: 8px 14px !important; }

.callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: 12px; font-size: 14.5px; background: var(--surface); border: 1px solid var(--line); }
.callout .i { margin-top: 2px; }
.callout.rule { background: var(--accent-soft); border-color: #f6d3d4; }
.callout.rule .i { color: var(--accent-ink); }
.callout.tip .i { color: var(--info); }
.callout.script { font-size: 16px; }

.check-block { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.check-block .q { font-weight: 600; font-size: 15.5px; margin: 6px 0 12px; }
.opts { display: flex; flex-direction: column; gap: 8px; }
.opt { text-align: left; border: 1px solid var(--line-2); background: var(--surface); border-radius: 10px; padding: 11px 14px; font-size: 14.5px; display: flex; gap: 10px; align-items: flex-start; }
.opt .k { width: 20px; height: 20px; border-radius: 6px; background: #f0eee9; font-size: 11.5px; font-weight: 650; display: grid; place-items: center; flex: none; color: var(--ink-2); }
.opt:hover:not(:disabled) { border-color: var(--ink); }
.opt:disabled { cursor: default; color: var(--ink); }
.opt.right { border-color: var(--ok); background: var(--ok-soft); }
.opt.wrong { border-color: var(--accent); background: var(--accent-soft); }
.opt.dim { opacity: .5; }
.why { margin-top: 12px; font-size: 14px; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); color: var(--ink-2); display: flex; gap: 8px; }

.order-answer, .order-pool { display: flex; flex-direction: column; gap: 8px; }
.order-answer { min-height: 50px; padding: 10px; border: 1.5px dashed var(--line-2); border-radius: 12px; margin-bottom: 10px; }
.chip-line { text-align: left; border: 1px solid var(--line-2); background: var(--surface); border-radius: 10px; padding: 10px 12px; font-size: 14px; display: flex; gap: 10px; align-items: center; width: 100%; }
.chip-line .slot { font-size: 11px; font-weight: 700; letter-spacing: .05em; color: var(--ink-3); width: 66px; flex: none; }
.chip-line.right { border-color: var(--ok); background: var(--ok-soft); }
.chip-line.wrong { border-color: var(--accent); background: var(--accent-soft); }

.calc { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 550; color: var(--ink-2); }
.field input, .field select, .field textarea, .input {
  border: 1px solid var(--line-2); border-radius: 10px; padding: 9px 12px; background: var(--surface); font-size: 15px; font-weight: 500; color: var(--ink); width: 100%;
}
.field textarea { min-height: 120px; resize: vertical; line-height: 1.5; font-size: 14px; }
.money { position: relative; }
.money input { padding-left: 24px; }
.money::before { content: "$"; position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--ink-3); }
.calc-out { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; grid-column: 1 / -1; }
.calc-out > div { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.calc-out b { display: block; font-size: 20px; letter-spacing: -.02em; }
.calc-out span { font-size: 12px; color: var(--ink-3); }

.flip-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.flip { border: 1px solid var(--line); background: var(--surface); border-radius: 12px; padding: 16px; min-height: 108px; text-align: left; display: flex; flex-direction: column; justify-content: space-between; gap: 8px; }
.flip b { font-size: 15px; }
.flip .hint { font-size: 12px; color: var(--ink-3); display: flex; gap: 5px; align-items: center; }
.flip.open { background: var(--ink); color: #fff; border-color: var(--ink); }
.flip.open .hint { color: rgba(255, 255, 255, .6); }

.table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--surface); }
.table th { text-align: left; font-size: 12px; font-weight: 600; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--surface-2); white-space: nowrap; }
.table td { padding: 12px 14px; border-top: 1px solid var(--line); vertical-align: middle; }
.table tr:first-child td { border-top: 0; }
.table-wrap { border: 1px solid var(--line); border-radius: 12px; overflow: auto; background: var(--surface); }
tr.click:hover td { background: var(--surface-2); cursor: pointer; }

.checklist { display: flex; flex-direction: column; gap: 2px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 6px; }
.checklist label { display: flex; gap: 10px; align-items: center; padding: 8px 10px; border-radius: 8px; font-size: 14.5px; cursor: pointer; }
.checklist label:hover { background: var(--surface-2); }
.checklist input { width: 17px; height: 17px; accent-color: var(--ok); flex: none; }
.checklist .grp { font-size: 12px; font-weight: 600; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; padding: 10px 10px 4px; }

.fade { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.fade svg { width: 100%; height: auto; display: block; }

.practice-link { display: flex; align-items: center; gap: 14px; padding: 16px; border: 1px solid var(--line); background: var(--surface); border-radius: 14px; }
.practice-link:hover { border-color: var(--ink); }
.practice-link .ico { width: 42px; height: 42px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-ink); display: grid; place-items: center; flex: none; }

.reader-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); gap: 12px; }

/* ---------- Rehearse ---------- */
.drill { display: flex; flex-direction: column; gap: 10px; }
.drill:hover { border-color: var(--line-2); }
.drill .ico { width: 38px; height: 38px; border-radius: 11px; background: #f0eee9; display: grid; place-items: center; color: var(--ink-2); }
.drill.featured { grid-column: 1 / -1; background: var(--ink); color: #fff; border-color: var(--ink); flex-direction: row; align-items: center; gap: 20px; padding: 24px; }
.drill.featured .muted { color: rgba(255, 255, 255, .72); }
.drill.featured .ico { background: rgba(255, 255, 255, .1); color: #fff; width: 56px; height: 56px; border-radius: 16px; }
.drill.featured .tag { background: rgba(255, 255, 255, .12); color: #fff; }
.drill.featured .btn { background: #fff; color: var(--ink); border-color: #fff; }

/* Recorder */
.stage { position: relative; aspect-ratio: 16 / 9; background: #1b1c21; border-radius: 16px; overflow: hidden; display: grid; place-items: center; color: rgba(255, 255, 255, .72); }
.stage video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.stage video.mirror { transform: scaleX(-1); }
.stage-overlay { position: absolute; left: 14px; top: 14px; right: 14px; display: flex; gap: 8px; z-index: 2; }
.stage-pill { background: rgba(0, 0, 0, .55); color: #fff; font-size: 12.5px; font-weight: 600; padding: 4px 10px; border-radius: 99px; display: inline-flex; align-items: center; gap: 6px; backdrop-filter: blur(6px); }
.stage-pill.rec { background: var(--accent); }
.stage-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: #fff; }
.stage-pill.rec .dot { animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .2; } }
.stage-empty { display: flex; flex-direction: column; gap: 10px; align-items: center; text-align: center; padding: 20px; font-size: 14px; position: relative; z-index: 1; }
.timer-big { font-variant-numeric: tabular-nums; font-size: 34px; font-weight: 650; letter-spacing: -.02em; }

/* Simulator */
.sim { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 16px; }
.sim-stage { aspect-ratio: auto; min-height: 400px; }
.sim-product { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 12px; margin-bottom: 60px; }
.listing-bar { position: absolute; left: 14px; right: 14px; bottom: 14px; z-index: 2; background: rgba(255, 255, 255, .97); color: var(--ink); border-radius: 12px; padding: 10px 14px; display: flex; align-items: center; gap: 14px; font-size: 13px; }
.listing-bar .price { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.listing-bar .clock { margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 700; font-size: 18px; color: var(--accent-ink); }
.chat { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; display: flex; flex-direction: column; height: 400px; }
.chat-head { padding: 12px 14px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; font-size: 13.5px; font-weight: 600; }
.chat-body { flex: 1; overflow-y: auto; padding: 10px 14px; display: flex; flex-direction: column; gap: 7px; font-size: 13.5px; }
.msg b { font-weight: 600; margin-right: 6px; }
.msg.sys { color: var(--ink-3); font-size: 12.5px; }
.msg.q { background: var(--warn-soft); padding: 6px 9px; border-radius: 8px; }
.msg.bid { color: var(--ok); font-weight: 550; }
.msg.prod { background: var(--info-soft); color: var(--info); padding: 6px 9px; border-radius: 8px; }
.msg.host { color: var(--ink-2); background: var(--surface-2); padding: 6px 9px; border-radius: 8px; border: 1px solid var(--line); }
.dock { margin-top: 16px; }
.dock-title { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.action-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 8px; }
.action { text-align: left; border: 1px solid var(--line-2); background: var(--surface); border-radius: 12px; padding: 12px 14px; display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.action:hover:not(:disabled) { border-color: var(--ink); }
.action:disabled { cursor: default; }
.action.used { background: var(--ok-soft); border-color: #cfe7da; }
.action .i { margin-top: 2px; }
.action b { display: block; font-size: 14px; color: var(--ink); }
.action span { font-size: 12.5px; color: var(--ink-2); }
.setup { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end; padding: 14px; background: var(--surface); border-radius: 12px; border: 1px solid var(--line); margin-top: 12px; }
.setup .field { min-width: 150px; }
.signals { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 12px 0; }
.signals > div { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.signals b { display: block; font-size: 19px; }
.signals span { font-size: 12px; color: var(--ink-3); }

.debrief-row { display: grid; grid-template-columns: 28px 1fr; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); }
.debrief-row:first-of-type { border-top: 0; }

/* Feedback */
.fb-trainer { border-left: 3px solid var(--ink); }
.fb-ai { border: 1px dashed var(--line-2); background: var(--surface-2); box-shadow: none; }
.fb-item { display: grid; grid-template-columns: 56px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 14px; }
.fb-item:first-of-type { border-top: 0; }
.ts { font-variant-numeric: tabular-nums; font-size: 12.5px; font-weight: 600; color: var(--info); background: var(--info-soft); padding: 2px 6px; border-radius: 6px; height: fit-content; text-align: center; }
.quote { color: var(--ink-2); font-style: italic; }
.transcript { font-size: 14px; line-height: 1.6; display: flex; flex-direction: column; gap: 8px; max-height: 320px; overflow: auto; }
.transcript p { display: grid; grid-template-columns: 50px 1fr; gap: 8px; }
.transcript mark { background: var(--warn-soft); padding: 0 2px; border-radius: 3px; }

.rubric-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); font-size: 14px; }
.rubric-row:first-of-type { border-top: 0; }
.score { display: inline-flex; gap: 4px; }
.score button { width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--surface); font-size: 13px; font-weight: 600; }
.score button.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* Sessions */
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.slot { border: 1px solid var(--line-2); background: var(--surface); border-radius: 10px; padding: 9px 12px; text-align: left; font-size: 13px; color: var(--ink-2); }
.slot b { display: block; font-size: 14px; color: var(--ink); }
.slot:hover { border-color: var(--ink); }
.slot.on { background: var(--ink); color: rgba(255, 255, 255, .75); border-color: var(--ink); }
.slot.on b { color: #fff; }
.agenda { margin: 0; padding-left: 18px; font-size: 14px; color: var(--ink-2); }
.agenda li + li { margin-top: 4px; }

/* Call */
.call { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 16px; }
.tiles { position: relative; }
.tile { position: relative; border-radius: 16px; background: #23252b; aspect-ratio: 16 / 9; display: grid; place-items: center; overflow: hidden; color: #fff; }
.tile.self { position: absolute; right: 14px; top: 14px; width: 24%; aspect-ratio: 4 / 3; border: 2px solid rgba(255, 255, 255, .2); z-index: 3; background: #34363d; }
.tile video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.tile .name { position: absolute; left: 12px; bottom: 10px; font-size: 12.5px; background: rgba(0, 0, 0, .5); padding: 3px 9px; border-radius: 99px; z-index: 2; }
.call-bar { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); display: flex; gap: 8px; z-index: 4; }
.call-bar button { width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .16); color: #fff; display: grid; place-items: center; }
.call-bar button.end { background: var(--accent); width: 60px; border-radius: 22px; }

/* Calendar */
.cal { display: grid; grid-template-columns: 56px repeat(5, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--surface); }
.cal > div { border-top: 1px solid var(--line); border-left: 1px solid var(--line); min-height: 50px; padding: 3px; font-size: 12.5px; }
.cal .hd { border-top: 0; padding: 10px 8px; font-weight: 600; background: var(--surface-2); min-height: 0; }
.cal .hd span { display: block; font-weight: 500; color: var(--ink-3); font-size: 12px; }
.cal .hd.today { color: var(--accent-ink); }
.cal .hr { border-left: 0; color: var(--ink-3); text-align: right; padding: 6px 8px 0 0; font-size: 11.5px; }
.cal .corner { border-left: 0; border-top: 0; background: var(--surface-2); min-height: 0; }
.cal-cell { width: 100%; height: 100%; min-height: 42px; border: 0; background: transparent; border-radius: 8px; text-align: left; padding: 5px 8px; font-size: 12.5px; color: var(--ink-3); }
.cal-cell:hover { background: var(--surface-2); }
.cal-cell.open { background: var(--ok-soft); color: var(--ok); font-weight: 550; }
.cal-cell.booked { background: var(--info-soft); color: var(--info); font-weight: 600; }
.cal-cell.past { opacity: .35; pointer-events: none; }
.legend { display: flex; gap: 14px; font-size: 12.5px; color: var(--ink-2); flex-wrap: wrap; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 12px; height: 12px; border-radius: 4px; display: inline-block; }

/* Products */
.pack { aspect-ratio: 4 / 3; border-radius: 12px; display: flex; flex-direction: column; justify-content: space-between; padding: 12px; color: #fff; position: relative; overflow: hidden; }
.pack::after { content: ""; position: absolute; right: -30px; bottom: -40px; width: 120px; height: 120px; border-radius: 50%; background: rgba(255, 255, 255, .12); }
.pack .cc { font-size: 11.5px; font-weight: 700; letter-spacing: .08em; background: rgba(0, 0, 0, .18); padding: 2px 7px; border-radius: 6px; width: fit-content; }
.pack .pn { font-weight: 650; font-size: 15px; line-height: 1.2; position: relative; z-index: 1; }
.pack .pb { font-size: 12px; opacity: .8; position: relative; z-index: 1; }
.pack.lg { aspect-ratio: auto; min-height: 220px; padding: 18px; }
.pack.lg .pn { font-size: 22px; }
.pack.stage-pack { width: 210px; aspect-ratio: 3 / 4; box-shadow: 0 20px 50px rgba(0, 0, 0, .35); }
.p-spicy { background: linear-gradient(150deg, #d9423f, #a8241f); }
.p-savory { background: linear-gradient(150deg, #c98a1b, #8f5c08); }
.p-sweet { background: linear-gradient(150deg, #d46aa0, #a23f73); }
.p-tangy { background: linear-gradient(150deg, #6aa338, #3f7618); }
.p-umami { background: linear-gradient(150deg, #4f6bd8, #2c46a6); }
.prod-card { display: flex; flex-direction: column; gap: 10px; padding: 10px; }
.prod-card:hover { border-color: var(--line-2); }
.prod-card .meta { padding: 0 4px 4px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.chip { border: 1px solid var(--line-2); background: var(--surface); padding: 6px 12px; border-radius: 99px; font-size: 13px; font-weight: 550; color: var(--ink-2); }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.search { display: flex; align-items: center; gap: 8px; padding: 0 12px; border: 1px solid var(--line-2); background: var(--surface); border-radius: 10px; min-width: 260px; color: var(--ink-3); }
.search input { border: 0; outline: 0; padding: 9px 0; background: transparent; width: 100%; color: var(--ink); }
.facts { display: grid; grid-template-columns: 130px 1fr; font-size: 14px; }
.facts > div { padding: 9px 0; border-top: 1px solid var(--line); }
.facts > div:nth-child(-n+2) { border-top: 0; }
.facts .k { color: var(--ink-3); }
.internal { background: #fbfaf7; border-style: dashed; box-shadow: none; }

/* Modal / toast */
.scrim { position: fixed; inset: 0; background: rgba(22, 23, 27, .38); z-index: 50; display: flex; justify-content: flex-end; }
.sheet { width: min(520px, 100%); height: 100%; background: var(--surface); padding: 26px; overflow-y: auto; box-shadow: -20px 0 50px rgba(0, 0, 0, .12); }
.sheet h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); margin: 24px 0 8px; }
.sheet ul { margin: 0; padding-left: 18px; font-size: 14px; color: var(--ink-2); }
.sheet li + li { margin-top: 6px; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); opacity: 0; background: var(--ink); color: #fff; padding: 11px 16px; border-radius: 12px; font-size: 14px; z-index: 60; transition: .2s; display: flex; gap: 8px; align-items: center; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%); }

.notice { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--ink-3); padding: 10px 12px; border: 1px dashed var(--line-2); border-radius: 10px; }
.notice .i { margin-top: 1px; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .split, .sim, .call { grid-template-columns: 1fr; }
  .chat { height: 300px; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .side { display: none; }
  .top-brand { display: flex; }
  .crumbs { display: none; }
  .topbar { padding: 10px 16px; }
  .page { padding: 8px 16px 110px; }
  .tabbar {
    display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); border-top: 1px solid var(--line); padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
  }
  .tabbar a { display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 11px; font-weight: 550; color: var(--ink-3); padding: 4px 0; position: relative; }
  .tabbar a.active { color: var(--ink); }
  .tabbar .count { position: absolute; top: 0; right: calc(50% - 20px); font-size: 10px; background: var(--accent); color: #fff; border-radius: 99px; padding: 0 5px; }
  .hero, .g2, .g3 { grid-template-columns: 1fr; }
  .path { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .how { grid-template-columns: 1fr 1fr; }
  .how > div:nth-child(3) { border-left: 0; }
  .how > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .phase-block { grid-template-columns: 1fr; gap: 10px; }
  .phase-label { padding-top: 0; }
  .drill.featured { flex-direction: column; align-items: flex-start; }
  .signals { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 24px; }
}
@media (max-width: 560px) {
  .g4 { grid-template-columns: 1fr 1fr; }
  .mod-row .prog, .lesson-row .type { display: none; }
  .versus, .calc, .compare-row { grid-template-columns: 1fr; }
  .compare-head { display: none !important; }
  .ladder-row { grid-template-columns: 1fr; gap: 4px; }
  .ladder-axis { margin-left: 0; }
  .seg button { padding: 6px 9px; }
  .cal { grid-template-columns: 40px repeat(5, minmax(0, 1fr)); }
  .cal-cell { padding: 4px; font-size: 10.5px; }
  .search { min-width: 0; width: 100%; }
  .path { grid-template-columns: 1fr; }
  .calc-out { grid-template-columns: 1fr; }
}

/* Owner view */
.stages { display: flex; gap: 4px; }
.stages span { flex: 1; height: 7px; border-radius: 4px; background: var(--line); }
.stages span.on { background: var(--ok); }
.stages span.cur { background: var(--info); }
.shows-wrap { overflow-x: auto; }
.shows { display: grid; grid-template-columns: 130px repeat(7, minmax(84px, 1fr)); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--surface); min-width: 720px; }
.shows > div { border-top: 1px solid var(--line); border-left: 1px solid var(--line); padding: 8px; font-size: 12.5px; }
.shows .hd { border-top: 0; font-weight: 600; background: var(--surface-2); }
.shows .corner { border-top: 0; border-left: 0; background: var(--surface-2); }
.shows .hr { border-left: 0; display: flex; flex-direction: column; gap: 2px; }
.shows .hr span, .shows .show span { color: var(--ink-3); font-size: 11.5px; }
.show { display: flex; flex-direction: column; gap: 2px; background: var(--info-soft); }
.show b { color: var(--info); font-weight: 600; }
.show.none { background: transparent; color: var(--ink-3); }
.show.out { background: var(--warn-soft); }
.show.out b { color: var(--warn); text-decoration: line-through; }
.show.out .btn { margin-top: 4px; align-self: flex-start; }
.show.covered { background: var(--ok-soft); }
.show.covered b { color: var(--ok); }

/* Mock Show */
.ms-queue { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.ms-queue > div { border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; display: flex; flex-direction: column; gap: 2px; background: var(--surface); }
.ms-queue > div.now { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.ms-queue > div.done { background: var(--ok-soft); border-color: transparent; }
@media (max-width: 560px) { .ms-queue { grid-template-columns: 1fr 1fr; } }

/* Product photos */
.pack.has-img { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.pack.has-img::after { display: none; }
.pack.has-img .cc { background: var(--surface-2); color: var(--ink-2); position: relative; z-index: 1; }
.pack.has-img img { position: absolute; inset: 14% 10% 30%; width: 80%; height: 56%; object-fit: contain; }
.pack.has-img .pb { opacity: 1; color: var(--ink-3); }
.pack.lg.has-img { min-height: 320px; }
.pack.lg.has-img img { inset: 12% 15% 26%; width: 70%; height: 62%; }
.say { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; font-size: 15px; }
details.card summary { cursor: pointer; }
.pack.has-img img { inset: 16% 10% 38%; height: 46%; }
.prod-card .pack.has-img { aspect-ratio: 1 / 1; }
.prod-card .pack.has-img img { inset: 12% 10% 8%; height: 80%; }
.prod-card .pack.has-img > div { display: none; }
.pack.quiz > div { display: none; }
.split > * { min-width: 0; }
.table-wrap { overflow-x: auto; }

/* Draft quiz context + product card */
.q-ctx { display: flex; flex-direction: column; gap: 6px; margin: 10px 0 4px; padding: 10px 12px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; font-size: 14px; }
.q-ctx > div { display: grid; grid-template-columns: 96px 1fr; gap: 10px; }
.q-ctx > div > span:first-child { color: var(--ink-3); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; padding-top: 2px; }
.say-card { display: flex; flex-direction: column; gap: 10px; font-size: 16px; }
.say-card > div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; }
.say-card span { color: var(--ink-3); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; padding-top: 3px; }
@media (max-width: 560px) { .q-ctx > div, .say-card > div { grid-template-columns: 1fr; gap: 2px; } }