/* Layout: top bar + centred column (student: 960px, teacher/wide: 1200px); cards only where an object needs separating. */
:root {
  --bg: #F4F5F2;
  --surface: #FFFFFF;
  --surface-2: #F0F2EE;
  --ink: #18231F;
  --ink-2: #44514C;
  --muted: #6A7570;
  --line: #E1E5DF;
  --brand: #0F5A50;          /* GES deep green */
  --brand-ink: #FFFFFF;
  --brand-soft: #E2EFEB;
  --accent: #E39A2D;         /* marigold, used sparingly */
  --accent-soft: #FBEFD9;
  --good: #1C7C46; --good-soft: #E1F2E7;
  --warn: #A86A10; --warn-soft: #FBEFD6;
  --bad: #B83A2B;  --bad-soft: #F9E3DF;
  --info: #2F5F9E; --info-soft: #E3ECF8;
  --focus: #2F7BFF;
  --shadow: 0 1px 2px rgba(20, 35, 30, .06), 0 4px 16px rgba(20, 35, 30, .05);
  --f-display: "Unbounded", "Onest", system-ui, sans-serif;
  --f-body: "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  --r: 12px; --r-sm: 8px;
  --sk-vocabulary: #2F7A6B; --sk-grammar: #3D5BA9; --sk-functional: #8A4FA3; --sk-listening: #B4602A; --sk-reading: #2E7FA0; --sk-writing: #A23F5C;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #111816; --surface: #18211E; --surface-2: #1F2926; --ink: #E8EEEB; --ink-2: #C3CDC9; --muted: #8E9A95; --line: #2B3633;
  --brand: #4DB59F; --brand-ink: #08201B; --brand-soft: #1B3530; --accent: #F0B455; --accent-soft: #3A2E18;
  --good: #5CC98A; --good-soft: #173525; --warn: #E2AE4F; --warn-soft: #3A2E15; --bad: #F08473; --bad-soft: #3D1F1A; --info: #84AEEA; --info-soft: #1B2A40;
  --shadow: 0 1px 2px rgba(0,0,0,.3);
  --sk-vocabulary: #6CC3B0; --sk-grammar: #8EA6EA; --sk-functional: #C59ADB; --sk-listening: #E79B67; --sk-reading: #74BEDD; --sk-writing: #E58AA6;
  color-scheme: dark; } }
:root[data-theme="dark"] {
  --bg: #111816; --surface: #18211E; --surface-2: #1F2926; --ink: #E8EEEB; --ink-2: #C3CDC9; --muted: #8E9A95; --line: #2B3633;
  --brand: #4DB59F; --brand-ink: #08201B; --brand-soft: #1B3530; --accent: #F0B455; --accent-soft: #3A2E18;
  --good: #5CC98A; --good-soft: #173525; --warn: #E2AE4F; --warn-soft: #3A2E15; --bad: #F08473; --bad-soft: #3D1F1A; --info: #84AEEA; --info-soft: #1B2A40;
  --shadow: 0 1px 2px rgba(0,0,0,.3);
  --sk-vocabulary: #6CC3B0; --sk-grammar: #8EA6EA; --sk-functional: #C59ADB; --sk-listening: #E79B67; --sk-reading: #74BEDD; --sk-writing: #E58AA6;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body { background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { margin: 0; text-wrap: balance; line-height: 1.2; }
h1 { font-size: clamp(22px, 3.2vw, 30px); font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: 18px; font-weight: 650; }
h3 { font-size: 16px; font-weight: 650; }
p { margin: 0; }
button { font: inherit; color: inherit; cursor: pointer; }
button:disabled { cursor: default; }
input, textarea { font: inherit; color: var(--ink); background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--r-sm); padding: 8px 10px; min-width: 0; }
input:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
input:disabled, textarea:disabled { background: var(--surface-2); color: var(--ink-2); }
textarea { width: 100%; resize: vertical; line-height: 1.55; }
.muted { color: var(--muted); } .small { font-size: 13px; } .tiny { font-size: 11px; } .thin { font-weight: 400; }
.grow { flex: 1; min-width: 0; } .nowrap { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.eyebrow { display: block; font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.row-gap { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row-gap.end { justify-content: flex-end; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border-radius: 999px; padding: 9px 18px; font-weight: 600; border: 1.5px solid var(--line); background: var(--surface); transition: background .15s, border-color .15s; white-space: nowrap; }
.btn:hover { border-color: var(--ink-2); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn.sm { padding: 6px 12px; font-size: 13px; }
.btn.full { width: 100%; }
.as-span { pointer-events: none; }
.link { background: none; border: 0; padding: 0; color: var(--brand); font-weight: 600; font-size: 13.5px; text-align: left; }
.link:hover { text-decoration: underline; }
.link.strong { font-size: 14px; color: var(--ink); }

/* ---------- top bar ---------- */
.topbar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar-in { max-width: 1240px; margin: 0 auto; padding: 0 16px; height: 58px; display: flex; align-items: center; gap: 18px; }
.logo-btn { background: none; border: 0; padding: 0; }
.logo { display: inline-flex; align-items: center; gap: 8px; }
.logo-mark { font-family: var(--f-display); font-weight: 700; font-size: 15px; letter-spacing: .02em; background: var(--brand); color: var(--brand-ink); padding: 5px 8px 4px; border-radius: 7px; }
.logo-text { font-weight: 600; color: var(--ink-2); font-size: 14px; }
.mainnav { display: flex; gap: 2px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.mainnav::-webkit-scrollbar { display: none; }
.nav-btn { background: none; border: 0; padding: 8px 12px; border-radius: 8px; font-weight: 550; color: var(--ink-2); white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.nav-btn:hover { background: var(--surface-2); }
.nav-btn.on { color: var(--brand); background: var(--brand-soft); }
.badge { background: var(--accent); color: #2b1a00; font-size: 11px; font-weight: 700; border-radius: 99px; padding: 1px 6px; min-width: 18px; text-align: center; }
.menu { position: relative; }
.menu-btn { display: flex; align-items: center; gap: 8px; background: none; border: 0; padding: 4px; border-radius: 99px; }
.menu-name { font-weight: 600; font-size: 14px; }
.menu-pop { position: absolute; right: 0; top: 46px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); padding: 12px; width: 230px; display: grid; gap: 8px; }
.menu-item { background: none; border: 0; text-align: left; padding: 6px 4px; border-radius: 6px; }
.menu-item:hover { background: var(--surface-2); }
@media (max-width: 720px) { .logo-text, .menu-name { display: none; } .topbar-in { gap: 8px; } .nav-btn { padding: 8px 9px; font-size: 14px; } }

.main { padding-block: 22px 60px; }
.page { max-width: 980px; margin: 0 auto; padding: 0 16px; display: grid; gap: 18px; }
.page.wide { max-width: 1240px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.page-head h1 { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.page-head p { margin-top: 4px; }
.crumbs { display: flex; gap: 8px; align-items: center; font-size: 13.5px; color: var(--muted); flex-wrap: wrap; }
.crumbs .sep { opacity: .6; }

/* ---------- cards & grids ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.card-title { font-size: 15.5px; font-weight: 650; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ---------- avatar, chips ---------- */
.avatar { --h: 160; width: 36px; height: 36px; flex: none; border-radius: 50%; display: inline-grid; place-items: center; font-size: 13px; font-weight: 700; background: hsl(var(--h) 40% 88%); color: hsl(var(--h) 45% 26%); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .avatar { background: hsl(var(--h) 25% 25%); color: hsl(var(--h) 50% 82%); } }
:root[data-theme="dark"] .avatar { background: hsl(var(--h) 25% 25%); color: hsl(var(--h) 50% 82%); }
.chip { display: inline-flex; align-items: center; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 99px; white-space: nowrap; }
.chip-good { background: var(--good-soft); color: var(--good); } .chip-warn { background: var(--warn-soft); color: var(--warn); }
.chip-bad { background: var(--bad-soft); color: var(--bad); } .chip-info { background: var(--info-soft); color: var(--info); }
.chip-idle { background: var(--surface-2); color: var(--muted); }
.chip + .chip { margin-left: 4px; }
.skill { font-size: 11.5px; font-weight: 650; padding: 2px 8px; border-radius: 6px; white-space: nowrap; background: var(--surface-2); }
.skill-vocabulary { color: var(--sk-vocabulary); } .skill-grammar { color: var(--sk-grammar); } .skill-functional { color: var(--sk-functional); }
.skill-listening { color: var(--sk-listening); } .skill-reading { color: var(--sk-reading); } .skill-writing { color: var(--sk-writing); }

/* ---------- metrics ---------- */
.bar { position: relative; display: block; height: 10px; border-radius: 99px; background: var(--surface-2); min-width: 60px; }
.bar.thin { height: 6px; }
.bar .fill { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 99px; }
.bar .tick { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--ink-2); opacity: .55; border-radius: 2px; }
.bar .target { position: absolute; top: -2px; bottom: -2px; width: 0; border-left: 1.5px dashed var(--muted); opacity: .6; }
.b-good { background: var(--good); } .b-warn { background: var(--accent); } .b-bad { background: var(--bad); } .b-none { background: var(--line); } .b-brand { background: var(--brand); }
.pct { font-weight: 700; font-variant-numeric: tabular-nums; font-size: 14px; }
.pct.b-good { background: none; color: var(--good); } .pct.b-warn { background: none; color: var(--warn); } .pct.b-bad { background: none; color: var(--bad); } .pct.b-none { background: none; color: var(--muted); }
.pct.big { font-size: 22px; font-family: var(--f-display); font-weight: 600; }
.delta { font-size: 12px; font-weight: 650; font-variant-numeric: tabular-nums; white-space: nowrap; }
.delta.up { color: var(--good); } .delta.down { color: var(--bad); } .delta.flat { color: var(--muted); }
.ring { position: relative; display: inline-grid; place-items: center; flex: none; }
.ring svg { position: absolute; inset: 0; }
.ring-bg { fill: none; stroke: var(--surface-2); stroke-width: 7; }
.ring-fg { fill: none; stroke: var(--brand); stroke-width: 7; stroke-linecap: round; transition: stroke-dashoffset .5s; }
.ring-label { font-weight: 700; font-size: 15px; font-variant-numeric: tabular-nums; }
.skill-bars { display: grid; gap: 4px; }
.sb-row { display: grid; grid-template-columns: 130px 1fr 44px 44px; align-items: center; gap: 10px; padding: 6px 4px; border-radius: 8px; background: none; border: 0; text-align: left; width: 100%; }
.sb-row.clickable:hover { background: var(--surface-2); }
.sb-name { font-size: 14px; font-weight: 550; }
.sb-v { text-align: right; font-weight: 650; font-variant-numeric: tabular-nums; font-size: 14px; }
@media (max-width: 480px) { .sb-row { grid-template-columns: 96px 1fr 40px 38px; gap: 6px; } }
.legend-line { display: flex; align-items: center; gap: 6px; }
.lg-tick { display: inline-block; width: 2px; height: 12px; background: var(--ink-2); opacity: .55; }
.lg-target { display: inline-block; width: 0; height: 12px; border-left: 1.5px dashed var(--muted); margin-left: 8px; }
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 860px) { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.tile { text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; display: grid; gap: 2px; position: relative; }
.tile:not(.static):hover { border-color: var(--brand); }
.tile-label { font-size: 13px; color: var(--muted); font-weight: 550; }
.tile-value { font-family: var(--f-display); font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.tile-sub { font-size: 12.5px; color: var(--muted); }
.tile-good .tile-value { color: var(--good); } .tile-warn .tile-value { color: var(--warn); } .tile-bad .tile-value { color: var(--bad); }
.tile::after { content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 0 3px 3px 0; }
.tile-warn::after { background: var(--accent); } .tile-bad::after { background: var(--bad); } .tile-good::after { background: var(--good); }

/* ---------- student home ---------- */
.hello { display: flex; justify-content: space-between; align-items: flex-end; }
.continue { display: flex; align-items: center; gap: 18px; text-align: left; width: 100%; background: var(--brand); color: var(--brand-ink); border: 0; border-radius: 16px; padding: 20px 22px; }
.continue .eyebrow, .continue .muted { color: inherit; opacity: .78; }
.continue .btn.primary { background: var(--accent); border-color: var(--accent); color: #2b1a00; }
.continue.done { background: var(--brand-soft); color: var(--ink); }
.continue > .grow { display: grid; gap: 4px; }
.cont-code { font-family: var(--f-display); font-size: 26px; font-weight: 700; width: 64px; height: 64px; border-radius: 14px; display: grid; place-items: center; background: rgba(255,255,255,.14); flex: none; }
.cont-title { font-size: 17px; font-weight: 650; line-height: 1.3; }
@media (max-width: 600px) { .continue { flex-wrap: wrap; } .continue .btn { width: 100%; } .cont-code { width: 48px; height: 48px; font-size: 20px; } }
.banner { display: block; width: 100%; text-align: left; background: var(--accent-soft); border: 1px solid var(--accent); color: var(--ink); padding: 12px 16px; border-radius: var(--r); }
.progress-hero { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.stats { display: flex; gap: 22px; flex-wrap: wrap; }
.stats > div { display: grid; }
.stat-v { font-family: var(--f-display); font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat-v small { font-size: 14px; color: var(--muted); font-family: var(--f-body); }
.stat-l { font-size: 12.5px; color: var(--muted); }
.lesson-dots { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.ld { position: relative; height: 40px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface-2); overflow: hidden; padding: 0; }
.ld-fill { position: absolute; left: 0; bottom: 0; right: 0; height: calc(var(--p) * 100%); background: var(--brand-soft); }
.ld-fill.full { background: var(--brand); }
.ld-fill.full + .ld-code { color: var(--brand-ink); }
.ld-code { position: relative; font-weight: 700; font-size: 13px; }
.obj-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.obj-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dot.good { background: var(--good); } .dot.warn { background: var(--accent); } .dot.bad { background: var(--bad); }
.assign { display: grid; text-align: left; gap: 2px; width: 100%; background: var(--info-soft); border: 0; border-radius: var(--r-sm); padding: 10px 12px; }

/* ---------- course & unit ---------- */
.units { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 700px) { .units { grid-template-columns: 1fr; } }
.unit-card { display: flex; gap: 14px; align-items: center; text-align: left; padding: 14px; border-radius: var(--r); border: 1px solid var(--line); background: var(--surface); }
.unit-card .grow { display: grid; gap: 4px; }
.unit-card.on { border-color: var(--brand); grid-column: 1 / -1; padding: 18px; }
.unit-card.locked { opacity: .6; }
.unit-no { font-family: var(--f-display); font-size: 20px; font-weight: 700; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; background: var(--surface-2); flex: none; }
.unit-card.on .unit-no { background: var(--brand); color: var(--brand-ink); }
.arrow { color: var(--muted); font-weight: 600; }
.head-stats { display: flex; align-items: center; gap: 10px; }
.head-stats > div:last-child { display: grid; }
.lessons { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.lesson { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.lesson.open { border-color: var(--brand); }
.lesson-head { width: 100%; display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: none; border: 0; text-align: left; }
.lesson-head .grow { display: grid; }
.lesson-code { font-family: var(--f-display); font-weight: 700; font-size: 16px; min-width: 46px; height: 40px; padding: 0 6px; display: inline-grid; place-items: center; border-radius: 10px; background: var(--brand-soft); color: var(--brand); flex: none; }
.lesson-code.sm { min-width: 32px; height: 26px; font-size: 12px; border-radius: 7px; margin-right: 6px; }
.lesson-prog { display: flex; gap: 10px; align-items: center; }
.chev { font-size: 20px; color: var(--muted); width: 20px; text-align: center; }
.act-list { list-style: none; margin: 0; padding: 0 8px 8px; display: grid; gap: 2px; }
.act-row { width: 100%; display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: 8px; border: 0; background: none; text-align: left; }
.act-row:hover { background: var(--surface-2); }
.act-num { font-weight: 650; font-size: 13.5px; width: 52px; flex: none; }
.act-ins { font-size: 14px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.act-score { min-width: 70px; text-align: right; }
@media (max-width: 600px) { .act-row .skill { display: none; } .lesson-prog .pct { display: none; } }
.act-state { width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--line); flex: none; }
.s-done, .s-reviewed { background: var(--good); border-color: var(--good); }
.s-in-progress, .s-draft { border-color: var(--info); background: linear-gradient(90deg, var(--info) 50%, transparent 50%); }
.s-submitted { background: var(--accent); border-color: var(--accent); }
.s-returned { background: var(--bad); border-color: var(--bad); }

/* ---------- activity player ---------- */
.lesson-tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px; }
.lt { font-family: var(--f-display); font-weight: 600; font-size: 13px; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); }
.lt.on { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.player-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 22px; align-items: start; }
@media (max-width: 900px) { .player-layout { grid-template-columns: 1fr; } .rail { position: static !important; } .rail ol { display: flex !important; overflow-x: auto; } .rail-item { white-space: nowrap; } }
.rail { position: sticky; top: 76px; display: grid; gap: 8px; }
.rail ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.rail-item { width: 100%; display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; background: none; border: 0; text-align: left; font-size: 14px; font-weight: 550; }
.rail-item:hover { background: var(--surface); }
.rail-item.on { background: var(--surface); box-shadow: inset 3px 0 0 var(--brand); }
.player-main { min-width: 0; }
.player { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: clamp(16px, 3vw, 28px); display: grid; gap: 18px; }
.act-head { display: grid; gap: 8px; }
.act-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.act-no { font-size: 13px; font-weight: 650; color: var(--muted); }
.act-title { font-size: clamp(19px, 2.4vw, 23px); font-weight: 650; }
.obj-line { display: flex; gap: 6px; flex-wrap: wrap; }
.obj { font-size: 12.5px; color: var(--ink-2); background: var(--surface-2); padding: 3px 9px; border-radius: 6px; }
.obj::before { content: "◎ "; color: var(--brand); }
.act-body.with-text { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 22px; align-items: start; }
@media (max-width: 900px) { .act-body.with-text { grid-template-columns: 1fr; } }
.items { display: grid; gap: 10px; min-width: 0; align-content: start; }
.item { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 12px 14px; display: grid; gap: 8px; background: var(--surface); transition: border-color .15s, background .15s; }
.item.ok { border-color: var(--good); background: var(--good-soft); }
.item.bad { border-color: var(--bad); background: var(--bad-soft); }
.item.part { border-color: var(--accent); background: var(--warn-soft); }
.row { display: flex; gap: 12px; align-items: flex-start; }
.num { font-weight: 700; font-size: 13px; color: var(--muted); min-width: 22px; padding-top: 7px; font-variant-numeric: tabular-nums; }
.gap-line { display: inline; line-height: 2.4; }
.lead { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-weight: 600; letter-spacing: .04em; background: var(--surface-2); padding: 4px 8px; border-radius: 6px; }
.arrow { margin: 0 8px; }
.gap { display: inline-flex; align-items: center; vertical-align: baseline; }
.gap input { padding: 6px 8px; }
.gap.has-prefix { border: 1.5px solid var(--line); border-radius: var(--r-sm); background: var(--surface); padding-left: 8px; }
.gap.has-prefix:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.gap.has-prefix input { border: 0; box-shadow: none; padding-left: 1px; }
.prefix { font-weight: 650; }
.context { font-size: 14px; color: var(--muted); }
.card-item { align-content: start; }
.items:has(.card-item) { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.items:has(.card-item) > .example, .items:has(.card-item) > .tip { grid-column: 1 / -1; }
.vis { display: grid; place-items: center; background: var(--surface-2); border-radius: 8px; padding: 10px; }
.flag { width: 100%; max-width: 150px; height: auto; aspect-ratio: 3 / 2; border-radius: 4px; box-shadow: 0 0 0 1px var(--line); display: block; }
.jobpic { font-size: 54px; line-height: 1.2; }
.card-item .gap input { width: 100%; }
.card-item .gap { width: 100%; }
.card-item .gap-line { display: block; flex: 1; }
.ex-vis .flag { width: 48px; display: inline-block; vertical-align: middle; }
.lines { display: grid; gap: 8px; }
.line { display: flex; gap: 8px; align-items: center; }
.who { font-weight: 700; width: 20px; color: var(--muted); flex: none; }
.fixed { color: var(--ink-2); }
input.wide { flex: 1; width: 100%; }
.source { font-size: 14px; color: var(--ink-2); font-style: italic; }
.source::before { content: "→ "; color: var(--muted); font-style: normal; }
.example { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); padding: 10px 12px; border-radius: var(--r-sm); background: var(--surface-2); }
.ex-tag { font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--brand); background: var(--brand-soft); padding: 2px 7px; border-radius: 5px; flex: none; }
.tip { font-size: 14px; border-radius: var(--r-sm); background: var(--info-soft); padding: 8px 12px; }
.tip summary { cursor: pointer; font-weight: 600; color: var(--info); }
.tip p { margin-top: 6px; }
.fb { display: flex; gap: 8px; align-items: flex-start; font-size: 13.5px; padding: 2px 0 0 34px; }
.fb-icon { font-weight: 800; width: 18px; height: 18px; flex: none; border-radius: 50%; display: grid; place-items: center; font-size: 11px; margin-top: 1px; }
.fb-ok { color: var(--good); } .fb-ok .fb-icon { background: var(--good); color: #fff; }
.fb-bad { color: var(--bad); } .fb-bad .fb-icon { background: var(--bad); color: #fff; }
.fb-part { color: var(--warn); } .fb-part .fb-icon { background: var(--accent); color: #2b1a00; }
.fb-ans { color: var(--ink); }
.items > .fb, .player > .fb, .card > .fb, form .fb, .ws-side .fb { padding-left: 0; }
.order-built { min-height: 46px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 6px 8px; border: 1.5px dashed var(--line); border-radius: var(--r-sm); }
.order-bank { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.wtile { font-weight: 600; }
.order-bank .wtile, .order-built .wtile { padding: 6px 12px; border-radius: 8px; border: 1.5px solid var(--line); background: var(--surface); box-shadow: 0 1px 0 var(--line); display: inline-block; }
.order-built .wtile.placed { background: var(--brand-soft); border-color: var(--brand); }
.order-bank .wtile.used { opacity: .3; }
.end { font-weight: 700; font-size: 18px; }
.choice-line { line-height: 2.4; }
.seg { display: inline-flex; border: 1.5px solid var(--line); border-radius: 9px; overflow: hidden; vertical-align: middle; background: var(--surface); flex-wrap: wrap; }
.seg-btn { border: 0; background: none; padding: 5px 12px; font-weight: 550; font-size: 14px; }
.seg-btn + .seg-btn { border-left: 1.5px solid var(--line); }
.seg-btn.on { background: var(--brand); color: var(--brand-ink); }
.seg-btn:not(.on):hover:not(:disabled) { background: var(--surface-2); }
.seg-btn .count { font-size: 12px; opacity: .75; margin-left: 4px; }
.seg.tabs { justify-self: start; }
.tf { min-width: 42px; font-weight: 700; }
.match-row, .tf-row { align-items: center; flex-wrap: wrap; }
.match-prompt { font-size: 15px; }
.keys { display: flex; gap: 5px; flex-wrap: wrap; }
.key { min-width: 34px; height: 34px; border-radius: 8px; border: 1.5px solid var(--line); background: var(--surface); font-weight: 650; }
.key.name { padding: 0 10px; font-weight: 550; font-size: 14px; }
.key.on { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.opt-list { margin: 0; padding: 12px 14px 12px 34px; background: var(--surface-2); border-radius: var(--r-sm); font-size: 14px; display: grid; gap: 4px; list-style: none; }
.opt-list b { display: inline-block; width: 18px; color: var(--brand); }
.mcq-prompt { margin-bottom: 8px; padding-top: 4px; }
.mcq-opts { display: grid; gap: 6px; }
.opt { display: flex; gap: 10px; align-items: center; text-align: left; padding: 9px 12px; border-radius: 8px; border: 1.5px solid var(--line); background: var(--surface); }
.opt.on { border-color: var(--brand); background: var(--brand-soft); }
.opt-k { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; background: var(--surface-2); }
.opt.on .opt-k { background: var(--brand); color: var(--brand-ink); }
.tick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; }
.tick-cell { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 8px; background: var(--surface); flex-wrap: wrap; }
.tick-cell input { width: 18px; height: 18px; accent-color: var(--brand); }
.tick-cell.ok { border-color: var(--good); background: var(--good-soft); } .tick-cell.bad { border-color: var(--bad); background: var(--bad-soft); }
.tick-cell.example { background: var(--surface-2); }
.tick-note { font-size: 12px; color: var(--bad); width: 100%; padding-left: 26px; }
.table-wrap { overflow-x: auto; max-width: 100%; }
.fill-table { border-collapse: collapse; width: 100%; font-size: 14px; }
.fill-table th { text-align: left; font-size: 12.5px; color: var(--muted); font-weight: 650; padding: 6px 8px; border-bottom: 1.5px solid var(--line); }
.fill-table td { padding: 5px 6px; border-bottom: 1px solid var(--line); }
.fill-table input { width: 100%; min-width: 100px; padding: 6px 8px; }
.fill-table tr.example td { color: var(--muted); }
.fill-table tr.ok td { background: var(--good-soft); } .fill-table tr.bad td { background: var(--bad-soft); } .fill-table tr.part td { background: var(--warn-soft); }
.res-cell { font-weight: 700; font-size: 13px; white-space: nowrap; }
.ws { display: flex; gap: 22px; flex-wrap: wrap; }
.ws-grid { display: grid; gap: 2px; touch-action: manipulation; }
.ws-row { display: flex; gap: 2px; }
.ws-cell { width: clamp(20px, 5.4vw, 32px); height: clamp(20px, 5.4vw, 32px); border: 0; border-radius: 5px; background: var(--surface-2); font-weight: 650; font-size: clamp(11px, 2.6vw, 14px); padding: 0; }
.ws-cell:hover { background: var(--brand-soft); }
.ws-cell.found { background: var(--brand); color: var(--brand-ink); }
.ws-cell.reveal { background: var(--accent); color: #2b1a00; }
.ws-cell.start { box-shadow: 0 0 0 2px var(--accent) inset; background: var(--accent-soft); }
.ws-side { flex: 1; min-width: 180px; display: grid; gap: 8px; align-content: start; }
.ws-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 14px; }
.ws-list li { padding: 4px 8px; border-radius: 6px; background: var(--surface-2); color: var(--muted); }
.ws-list li.found { background: var(--good-soft); color: var(--good); font-weight: 600; }
.ws-list li.bad { background: var(--bad-soft); color: var(--bad); }
.tokens { display: flex; flex-wrap: wrap; gap: 4px; }
.tok { border: 1.5px solid transparent; background: var(--surface-2); border-radius: 6px; padding: 3px 7px; font-size: 15px; }
.tok.dot { font-weight: 900; color: var(--muted); }
.tok.on { background: var(--brand-soft); border-color: var(--brand); text-decoration: underline; text-decoration-thickness: 2px; }
.tok.dot.on { border-radius: 50%; color: var(--brand); }
.tok.missed { border-color: var(--accent); border-style: dashed; }
.tok.extra { border-color: var(--bad); }
.set-label { font-weight: 650; margin-bottom: 6px; }
.set-inputs { display: flex; flex-wrap: wrap; gap: 6px; }
.set-inputs input { width: 140px; }
.given { padding: 7px 10px; border-radius: 8px; background: var(--surface-2); color: var(--muted); font-style: italic; }
.check-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 14px; }
.warn-text { color: var(--warn); font-weight: 600; font-size: 14px; }
.result { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; padding: 16px; border-radius: var(--r); background: var(--surface-2); }
.result .grow { display: grid; gap: 4px; min-width: 200px; }
.rule { font-size: 13.5px; color: var(--ink-2); }
.result-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* context panels */
.ctx { border-radius: var(--r); }
.ctx.reading { background: var(--surface-2); padding: 16px; display: grid; gap: 12px; position: sticky; top: 76px; max-height: calc(100vh - 100px); overflow: auto; }
@media (max-width: 900px) { .ctx.reading { position: static; max-height: none; } }
.web-head { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); background: var(--surface); border-radius: 6px; padding: 5px 8px; }
.dots { display: inline-flex; gap: 4px; } .dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line); display: block; }
.web-title { font-size: 22px; color: var(--sk-writing); font-weight: 600; }
.web-intro { font-size: 14px; background: var(--surface); padding: 10px 12px; border-radius: 8px; }
.web-block { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.ctx.media { display: flex; gap: 14px; align-items: flex-start; background: var(--accent-soft); padding: 14px; }
.media-icon { width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: #2b1a00; display: grid; place-items: center; flex: none; }
.ctx.profiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.profile { display: flex; gap: 10px; align-items: flex-start; background: var(--surface-2); padding: 12px; border-radius: 10px; font-size: 14px; position: relative; }
.pkey { font-weight: 800; font-size: 12px; background: var(--sk-writing); color: #fff; border-radius: 5px; padding: 1px 6px; flex: none; }
.ctx.focus { background: var(--accent-soft); padding: 14px 16px; font-size: 14px; display: grid; gap: 6px; }
.ctx.focus h4 { font-size: 15px; }
.ctx.focus ul { margin: 0; padding-left: 18px; }

/* writing */
.info-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.info-card { background: var(--surface-2); border-radius: 10px; padding: 12px; font-size: 14px; display: grid; gap: 2px; }
.info-card .pkey { justify-self: start; margin-bottom: 4px; }
.w-fields { display: grid; gap: 16px; }
.w-group { display: grid; gap: 10px; }
.w-group-title { font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.prep-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.w-field { display: grid; gap: 4px; }
.w-label { font-size: 13px; font-weight: 650; color: var(--ink-2); }
.notice { background: var(--info-soft); color: var(--ink); padding: 10px 14px; border-radius: var(--r-sm); font-size: 14px; }
.notice.slim { border-radius: 0; text-align: center; }
.review-card { border: 1.5px solid var(--good); background: var(--good-soft); border-radius: var(--r); padding: 16px; display: grid; gap: 10px; }
.review-card.returned { border-color: var(--bad); background: var(--bad-soft); }
.review-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.review-score b { font-family: var(--f-display); font-size: 28px; }
.teacher-note { font-size: 15px; font-style: italic; }
.teacher-note.small { font-size: 13px; display: block; margin-top: 4px; color: var(--ink-2); }
.rubric-mini { display: grid; gap: 4px; }
.rm { display: grid; grid-template-columns: minmax(120px, 1fr) auto 80px; gap: 10px; align-items: center; font-size: 14px; }
.dots4 { display: inline-flex; gap: 3px; } .dots4 i { width: 14px; height: 8px; border-radius: 3px; background: var(--line); } .dots4 i.on { background: var(--good); }

/* revision / feedback */
.rev-list, .fb-list { display: grid; gap: 14px; }
.rev-head { display: flex; gap: 14px; align-items: flex-start; flex-wrap: wrap; }
.rev-head h2 { margin-top: 2px; }
.rev-score { display: flex; align-items: center; gap: 6px; }
.assigned-note { font-size: 13.5px; margin-top: 6px; background: var(--info-soft); padding: 6px 10px; border-radius: 6px; }
.step-label { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; }
.rev-acts { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.rev-acts li { display: flex; gap: 12px; align-items: center; padding: 8px 10px; border-radius: 8px; background: var(--surface-2); flex-wrap: wrap; }
.fb-row { display: flex; gap: 14px; text-align: left; width: 100%; align-items: center; }
.fb-row .grow { display: grid; gap: 2px; }
.fb-right { display: grid; gap: 6px; justify-items: end; }
.score-sm { font-variant-numeric: tabular-nums; }

/* teacher */
.data { width: 100%; border-collapse: collapse; font-size: 14px; }
.data th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 650; padding: 8px 10px; border-bottom: 1.5px solid var(--line); white-space: nowrap; }
.data td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.data.compact td { padding: 6px 8px; }
.data tr.clickable { cursor: pointer; }
.data tr.clickable:hover td { background: var(--surface-2); }
.data tr.open td { background: var(--brand-soft); }
.num-col { text-align: right; font-variant-numeric: tabular-nums; }
.data td .bar { min-width: 80px; }
.cmp { display: flex; align-items: center; gap: 8px; } .cmp .bar { flex: 1; min-width: 60px; }
.th-btn { background: none; border: 0; padding: 0; font: inherit; color: inherit; font-weight: 650; }
.th-btn.on { color: var(--brand); }
.who-cell { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; white-space: nowrap; }
.skill-col { text-align: center; width: 54px; }
.heat { display: inline-grid; place-items: center; width: 34px; height: 24px; border-radius: 5px; font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; }
.heat.b-good { background: var(--good-soft); color: var(--good); } .heat.b-warn { background: var(--warn-soft); color: var(--warn); } .heat.b-bad { background: var(--bad-soft); color: var(--bad); } .heat.b-none { background: var(--surface-2); color: var(--muted); }
.detail-row td { background: var(--surface-2); }
.answers { display: grid; gap: 8px; padding: 6px 0; }
.ok-t { color: var(--good); } .bad-t { color: var(--bad); }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.search { flex: 1; min-width: 180px; max-width: 320px; }
.ins-mini { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ins-row { display: flex; gap: 10px; align-items: flex-start; text-align: left; width: 100%; padding: 10px; border-radius: 8px; border: 0; background: var(--surface-2); flex-wrap: wrap; }
.ins-row .grow { display: grid; gap: 2px; min-width: 200px; }
button.ins-row:hover { background: var(--brand-soft); }
.sev-dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 5px; flex: none; }
.sev-dot.sev-bad { background: var(--bad); } .sev-dot.sev-warn { background: var(--accent); } .sev-dot.sev-good { background: var(--good); } .sev-dot.sev-info { background: var(--info); }
.advisory { color: var(--muted); border-left: 2px solid var(--line); padding-left: 8px; }
.att-list, .weak-list, .dist, .item-mini, .review-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.att-row, .weak-row, .rev-row, .dist-row, .im-row { display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; padding: 9px 10px; border: 0; border-radius: 8px; background: none; }
.att-row:hover, .weak-row:not(.static):hover, .rev-row:hover, .dist-row:hover, .im-row:hover { background: var(--surface-2); }
.att-row .grow, .weak-row .grow, .rev-row .grow { display: grid; gap: 1px; }
.tc { display: grid; justify-items: end; }
.dist-row { display: grid; grid-template-columns: minmax(120px, 1.2fr) 2fr 44px 44px; }
.dist-name { font-size: 14px; font-weight: 550; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.im-row { font-size: 14px; }
.err-block { display: grid; gap: 4px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.err-block:last-child { border-bottom: 0; }
.wrong-chip { display: inline-block; font-size: 12.5px; background: var(--bad-soft); color: var(--bad); border-radius: 6px; padding: 2px 7px; margin: 2px 4px 2px 0; }
.skill-head { display: flex; align-items: center; gap: 14px; background: none; border: 0; padding: 0; width: 100%; text-align: left; }
.obj-name { font-weight: 550; }
.obj-card { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; background: none; border: 0; border-bottom: 1px solid var(--line); padding: 12px 4px; flex-wrap: wrap; }
.obj-card:hover { background: var(--surface-2); }
.obj-card .grow { display: grid; gap: 2px; min-width: 200px; }
.w-bar { width: 180px; }
.rec { background: var(--accent-soft); border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.method { font-size: 13px; color: var(--muted); }
.method summary { cursor: pointer; font-weight: 600; }
.method p { margin-top: 6px; max-width: 80ch; }
.student-head h1 { font-size: 26px; }
.review-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 18px; align-items: start; }
@media (max-width: 900px) { .review-layout { grid-template-columns: 1fr; } }
.w-read { display: grid; gap: 4px; }
.student-text { font-size: 17px; line-height: 1.7; background: var(--surface-2); padding: 12px 14px; border-radius: 8px; white-space: pre-wrap; }
.history { border-top: 1px solid var(--line); padding-top: 10px; display: grid; gap: 6px; }
.small-title { font-size: 13px; }
.rubric-card { position: sticky; top: 76px; }
@media (max-width: 900px) { .rubric-card { position: static; } }
.rubric-dim { border: 0; padding: 0; margin: 0; display: grid; gap: 6px; }
.rubric-dim legend { display: grid; gap: 1px; padding: 0; margin-bottom: 6px; }
.levels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.lvl { display: grid; justify-items: center; gap: 0; padding: 6px 2px; border-radius: 8px; border: 1.5px solid var(--line); background: var(--surface); }
.lvl b { font-size: 16px; } .lvl span { font-size: 11px; color: var(--muted); }
.lvl.on { border-color: var(--brand); background: var(--brand); color: var(--brand-ink); } .lvl.on span { color: inherit; opacity: .85; }
.total-line { font-size: 15px; text-align: right; }
.total-line b { font-family: var(--f-display); font-size: 20px; }
.quick { display: flex; flex-wrap: wrap; gap: 6px; }
.quick-chip { font-size: 12.5px; border: 1px solid var(--line); background: var(--surface-2); border-radius: 99px; padding: 4px 10px; text-align: left; }
.quick-chip:hover { border-color: var(--brand); }
.rev-row .avatar { flex: none; }
.ins-list { display: grid; gap: 12px; }
.ins { border-left: 4px solid var(--info); }
.ins.sev-bad { border-left-color: var(--bad); } .ins.sev-warn { border-left-color: var(--accent); } .ins.sev-good { border-left-color: var(--good); }
.ins-head { display: flex; gap: 10px; align-items: flex-start; flex-wrap: wrap; }
.evidence { margin: 0; padding-left: 18px; font-size: 13.5px; color: var(--ink-2); display: grid; gap: 2px; }
.actions ol { margin: 6px 0 0; padding-left: 20px; display: grid; gap: 8px; font-size: 14px; }
.assign-box { margin-top: 8px; padding: 12px; border: 1.5px solid var(--brand); border-radius: 10px; display: grid; gap: 8px; background: var(--surface); }
.summary-card p { max-width: 80ch; }
.ai-box { border-top: 1px solid var(--line); padding-top: 10px; display: grid; gap: 8px; }
.ai-text { background: var(--surface-2); border-radius: 8px; padding: 10px 12px; display: grid; gap: 4px; font-size: 14px; }

/* empty & toast */
.empty { text-align: center; padding: 36px 16px; display: grid; gap: 8px; justify-items: center; background: var(--surface); border: 1px dashed var(--line); border-radius: var(--r); }
.card .empty { border: 0; padding: 16px; }
.empty-mark { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); position: relative; }
.empty-mark::after { content: ""; position: absolute; inset: 14px; border-radius: 50%; border: 3px solid var(--brand); opacity: .5; }
.empty p { color: var(--muted); max-width: 46ch; }
.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(20px + env(safe-area-inset-bottom, 0px)); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 99px; font-weight: 600; font-size: 14px; z-index: 50; box-shadow: var(--shadow); max-width: calc(100% - 32px); }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; align-content: center; gap: 14px; padding: 24px 16px; background: radial-gradient(1200px 500px at 50% -10%, var(--brand-soft), transparent), var(--bg); }
.login-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px; display: grid; gap: 14px; box-shadow: var(--shadow); }
.login-card form { display: grid; gap: 12px; }
.login-card h1 { margin-top: 6px; }
.demo-accounts { border-top: 1px solid var(--line); padding-top: 14px; display: grid; gap: 8px; }
.demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (max-width: 420px) { .demo-grid { grid-template-columns: 1fr; } }
.demo-btn { display: grid; gap: 2px; text-align: left; padding: 10px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--surface-2); }
.demo-btn:hover { border-color: var(--brand); }
.demo-btn span { font-size: 12px; color: var(--muted); }

@media (max-width: 520px) {
  .gap input { max-width: 150px; }
  .card-item .gap input { max-width: none; }
  .fb { padding-left: 0; }
  .player { padding: 14px; }
  .tick-note { padding-left: 0; }
}

/* ---------- book-wide content components ---------- */
.cue { font-size: 14px; color: var(--ink-2); background: var(--surface-2); padding: 4px 8px; border-radius: 6px; white-space: nowrap; max-width: 45%; overflow: hidden; text-overflow: ellipsis; flex: none; }
@media (max-width: 600px) { .line { flex-wrap: wrap; } .cue { max-width: 100%; white-space: normal; } }
.wordbox { display: grid; gap: 6px; background: var(--accent-soft); border-radius: var(--r-sm); padding: 10px 12px; }
.wb-group { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.wb-label { font-size: 12px; font-weight: 700; color: var(--muted); margin-right: 4px; }
.wb-word { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 2px 9px; font-size: 14px; }
.wb-img { display: block; width: 100%; height: auto; border-radius: 6px; max-width: 100%; }
.vis .wb-img { max-height: 170px; width: auto; max-width: 100%; }
.img-missing { display: grid; place-items: center; text-align: center; min-height: 110px; width: 100%; border: 1.5px dashed var(--line); border-radius: 8px; color: var(--muted); font-size: 13px; padding: 8px; }
.act-images { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.act-images:has(figure:only-child) { grid-template-columns: minmax(0, 560px); }
.act-images figure, .ctx-gallery figure { margin: 0; position: relative; }
.act-images figcaption, .ctx-gallery figcaption { position: absolute; left: 6px; top: 6px; background: var(--ink); color: var(--bg); font-size: 12px; font-weight: 700; border-radius: 5px; padding: 1px 7px; }
.ctx-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; }
.web-p { font-size: 14px; }
.vis.side { width: 150px; flex: none; padding: 6px; }
.vis.side .wb-img { max-height: 120px; }
@media (max-width: 520px) { .vis.side { width: 100px; } }

/* ---------- whole-book navigation & analytics ---------- */
.unit-pill { display: inline-block; font-size: 11px; font-weight: 700; color: var(--brand); background: var(--brand-soft); border-radius: 5px; padding: 1px 6px; vertical-align: middle; margin-left: 4px; }
.book-strip { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; }
.bs-unit { position: relative; height: 26px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-2); overflow: hidden; padding: 0; }
.bs-fill { position: absolute; left: 0; top: 0; bottom: 0; width: calc(var(--p) * 100%); background: var(--brand-soft); }
.bs-unit.cur { border-color: var(--brand); box-shadow: inset 0 0 0 1px var(--brand); }
.bs-n { position: relative; font-size: 12px; font-weight: 700; }
.scope-bar { display: flex; gap: 4px; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 4px; justify-self: start; max-width: 100%; }
.scope-btn { border: 0; background: none; border-radius: 7px; padding: 6px 10px; font-weight: 600; font-size: 13px; color: var(--ink-2); }
.scope-btn:hover { background: var(--surface-2); }
.scope-btn.on { background: var(--brand); color: var(--brand-ink); }
.unit-no.sm { width: 26px; height: 26px; font-size: 12px; border-radius: 7px; display: inline-grid; margin-right: 6px; vertical-align: middle; }
.heat.click { cursor: pointer; }
.heat.click:hover { outline: 2px solid var(--brand); }
.heatmap td, .heatmap th { padding: 4px 3px; }
.unit-trend { display: flex; gap: 8px; flex-wrap: wrap; }
.ut-cell { display: grid; gap: 4px; justify-items: center; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; }
.ut-cell.on { border-color: var(--brand); box-shadow: inset 0 0 0 1px var(--brand); }
.unit-nav { display: flex; justify-content: space-between; gap: 10px; }
.lt-unit { font-family: var(--f-display); font-weight: 600; font-size: 13px; padding: 6px 10px; color: var(--muted); white-space: nowrap; align-self: center; }
.fb-unit { display: grid; gap: 10px; }
.fb-unit-title { font-size: 16px; }
.unit-card.current { box-shadow: inset 4px 0 0 var(--accent); }
.unit-card.on { grid-column: auto !important; padding: 14px !important; }
.unit-side { display: grid; justify-items: end; gap: 4px; }

/* ===================== platform: admin & operations ===================== */
.good-t { color: var(--good); }
.req { color: var(--bad); }
.hint { font-size: 12px; color: var(--muted); }
.select { font: inherit; color: var(--ink); background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--r-sm); padding: 7px 30px 7px 10px; min-width: 0; max-width: 100%; appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%; background-size: 5px 5px; background-repeat: no-repeat; }
.select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
input[type="date"] { padding: 6px 8px; }
.demo-grid.four { grid-template-columns: repeat(2, 1fr); }
.role-tag { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; background: var(--accent-soft); color: var(--warn); padding: 3px 8px; border-radius: 6px; }
.icon-btn { background: none; border: 0; width: 34px; height: 34px; border-radius: 8px; font-size: 16px; color: var(--muted); flex: none; }
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.hide-sm { }
@media (max-width: 760px) { .hide-sm { display: none; } }

/* admin shell: sidebar + content */
.admin-shell { max-width: 1440px; margin: 0 auto; display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 0; align-items: start; }
.side-nav { position: sticky; top: 58px; padding: 18px 10px 30px 16px; display: grid; gap: 14px; max-height: calc(100vh - 58px); overflow-y: auto; }
.sn-group { display: grid; gap: 2px; }
.sn-label { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 0 10px 4px; }
.side-nav .nav-btn { justify-content: flex-start; width: 100%; text-align: left; border-radius: 8px; padding: 8px 10px; display: flex; align-items: center; gap: 6px; }
.role-admin .main { padding-top: 18px; min-width: 0; }
.role-admin .page.wide { max-width: 1200px; }
@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
  .side-nav { position: sticky; top: 58px; z-index: 15; background: var(--surface); border-bottom: 1px solid var(--line); display: flex; gap: 2px; overflow-x: auto; padding: 6px 12px; max-height: none; scrollbar-width: none; }
  .sn-group { display: contents; }
  .sn-label { display: none; }
  .side-nav .nav-btn { width: auto; white-space: nowrap; flex: none; }
}
.acad-wrap { max-width: 1240px; margin: 0 auto 12px; padding: 0 16px; }
.acad-tabs { display: inline-flex; border: 1.5px solid var(--line); border-radius: 9px; overflow: hidden; background: var(--surface); flex-wrap: wrap; }
.acad-tabs .seg-btn + .seg-btn { border-left: 1.5px solid var(--line); }
.scope-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.class-pick { display: inline-flex; align-items: center; gap: 6px; }
.class-pick select { font: inherit; font-weight: 600; border: 1.5px solid var(--brand); color: var(--brand); background: var(--surface); border-radius: 8px; padding: 5px 8px; max-width: 100%; }

/* dialogs */
.modal-back { position: fixed; inset: 0; z-index: 60; background: rgba(12, 20, 17, .45); display: grid; place-items: center; padding: 16px; overflow-y: auto; animation: fadeIn .15s; }
@keyframes fadeIn { from { opacity: 0; } }
.modal { background: var(--surface); border-radius: 14px; width: min(560px, 100%); max-height: calc(100vh - 32px); display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.modal.wide { width: min(880px, 100%); }
.modal-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; padding: 18px 20px 8px; }
.modal-head h2 { font-size: 18px; }
.modal-body { padding: 8px 20px 16px; overflow-y: auto; display: grid; gap: 12px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px 16px; border-top: 1px solid var(--line); flex-wrap: wrap; }
body.modal-open { overflow: hidden; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.form-grid .span2 { grid-column: 1 / -1; }
.form-grid input:not([type="checkbox"]), .form-grid .select { width: 100%; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.check-field { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; grid-column: 1 / -1; }
.sub-fs { border: 1px dashed var(--line); border-radius: var(--r-sm); padding: 10px 12px 12px; margin: 0; }
.sub-fs legend { font-size: 13px; font-weight: 650; color: var(--ink-2); padding: 0 4px; }
.expected-line { font-size: 15px; }
.pw-form { display: grid; gap: 12px; margin-top: 12px; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.check-list label { display: flex; gap: 8px; align-items: center; }

/* credential card */
.cred { display: grid; gap: 12px; }
.cred-card { border: 2px solid var(--brand); border-radius: 12px; padding: 16px 18px; background: var(--brand-soft); }
.cred-card dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 8px 0 0; align-items: baseline; }
.cred-card dt { font-size: 13px; color: var(--ink-2); }
.cred-card dd { margin: 0; font-weight: 650; }
.cred-card code { font-size: 17px; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; background: var(--surface); padding: 2px 8px; border-radius: 6px; user-select: all; }
.cred-card code.pw { letter-spacing: .04em; }
.cred-copy { font-family: ui-monospace, Menlo, monospace; font-size: 13px; }

/* data tables */
.dt { display: grid; gap: 8px; min-width: 0; }
.cb-col { width: 34px; text-align: center; }
.cb-col input { width: 16px; height: 16px; }
.data tr.sel td { background: var(--brand-soft); }
.data tfoot td { border-top: 1.5px solid var(--line); border-bottom: 0; background: var(--surface-2); }
.bulk-bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 10px; position: sticky; top: 64px; z-index: 5; }
.bulk-bar .btn.ghost { color: var(--bg); border-color: rgba(255,255,255,.35); }
.bulk-bar .link { color: var(--bg); }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; flex-wrap: wrap; }
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }
.filter-bar .search { max-width: 260px; }
.filter-bar .select { max-width: 220px; }
.fdate { display: inline-grid; gap: 1px; }
.export-btns { display: inline-flex; gap: 6px; }
.row-actions { display: inline-flex; gap: 10px; flex-wrap: wrap; }
.sm-input { padding: 4px 8px; font-size: 13px; width: 140px; }

/* reports */
.report-tabs { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.rt { display: flex; gap: 10px; text-align: left; align-items: flex-start; border: 1.5px solid var(--line); background: var(--surface); border-radius: 10px; padding: 10px 12px; }
.rt span { display: grid; gap: 2px; }
.rt.on { border-color: var(--brand); background: var(--brand-soft); }
.rt-i { flex: none; width: 28px; height: 28px; border-radius: 8px; display: grid !important; place-items: center; background: var(--surface-2); font-weight: 800; color: var(--brand); }
.report-view { display: grid; gap: 12px; min-width: 0; }
.rv-head { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; align-items: flex-start; }
.rv-meta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.views { display: inline-flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.view-chip { display: inline-flex; align-items: center; gap: 2px; border: 1px solid var(--line); border-radius: 99px; padding: 1px 4px 1px 10px; }
.view-chip .x { background: none; border: 0; color: var(--muted); padding: 0 4px; }

/* details & lists */
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.plain-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.enrol-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 6px 0; border-bottom: 1px solid var(--line); }
.audit-list { list-style: none; margin: 0; padding: 0; display: grid; }
.audit-list li { display: flex; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.audit-list li .nowrap { min-width: 92px; }
.tiles.mini { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 560px) { .tiles.mini { grid-template-columns: 1fr; } .audit-list li { flex-direction: column; gap: 2px; } }

/* KPI & compensation */
.pct-hero { display: flex; justify-content: space-between; gap: 16px; align-items: flex-end; flex-wrap: wrap; }
.pct-eq { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.pct-eq > div { display: grid; gap: 2px; }
.pe-l { font-size: 12px; color: var(--muted); font-weight: 600; }
.pe-v { font-family: var(--f-display); font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.pe-op { font-size: 24px; color: var(--muted); }
.pe-final .pe-v { color: var(--brand); }
.breakdown .bd-base td { background: var(--surface-2); }
.breakdown .bd-missing td { color: var(--muted); }
.breakdown tfoot td { font-size: 14px; }
.kpi-code { display: inline-block; font-size: 11px; font-weight: 800; color: var(--brand); background: var(--brand-soft); padding: 1px 6px; border-radius: 5px; margin-right: 4px; vertical-align: 1px; }
.kpi-matrix th.skill-col { width: 42px; }
.kcell { width: 30px; height: 26px; border-radius: 6px; border: 0; font-weight: 800; }
.kcell.on { background: var(--good-soft); color: var(--good); }
.kcell.off { background: var(--surface-2); color: var(--muted); }
.kcell.na { background: none; color: var(--line); cursor: default; }
.formula-card { gap: 14px; }
.formula { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.formula span { display: grid; gap: 1px; background: var(--surface-2); padding: 8px 12px; border-radius: 10px; }
.formula small { font-size: 11.5px; color: var(--muted); font-weight: 600; }
.formula b { font-size: 18px; font-variant-numeric: tabular-nums; }
.formula i { font-style: normal; font-size: 20px; color: var(--muted); }
.formula .f-total { background: var(--brand-soft); }
.formula .f-total b { color: var(--brand); }
.formula.sub span { background: none; border: 1px solid var(--line); }
.bd-block { display: grid; gap: 6px; }
.bd-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; max-width: 640px; }
.bd-list li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.bd-list li b { font-variant-numeric: tabular-nums; white-space: nowrap; }
.bd-list .bd-total { border-bottom: 0; border-top: 1.5px solid var(--ink-2); font-size: 15px; }
.mbars { display: grid; gap: 10px; }
.mbar { display: grid; grid-template-columns: 80px 1fr auto; gap: 10px; align-items: center; }
.mb-track { position: relative; height: 16px; border-radius: 5px; background: var(--surface-2); overflow: hidden; }
.mb-exp { position: absolute; inset: 0 auto 0 0; background: var(--line); }
.mb-rec { position: absolute; inset: 3px auto 3px 0; background: var(--good); border-radius: 0 4px 4px 0; }
.lg-rec, .lg-exp { display: inline-block; width: 12px; height: 8px; border-radius: 2px; vertical-align: middle; margin: 0 4px 0 10px; }
.lg-rec { background: var(--good); } .lg-exp { background: var(--line); }
.perm-matrix td:first-child { min-width: 240px; }
.perm-tog { display: inline-flex; gap: 6px; align-items: center; }
@media (max-width: 560px) { .mbar { grid-template-columns: 54px 1fr; } .mb-v { grid-column: 2; } .pe-v { font-size: 22px; } }
@media print { .side-nav, .topbar, .export-btns, .filter-bar { display: none !important; } .admin-shell { display: block; } }
.form-grid input[type="checkbox"], .check-field input, .perm-tog input, .check-list input { width: auto; flex: none; margin-top: 3px; }
.card > .btn, .card > div > .btn:only-child { justify-self: start; }
@media (max-width: 560px) { .tile-value { font-size: 21px; overflow-wrap: anywhere; } .formula b { font-size: 15px; } }
.form-grid .w-field { align-content: start; }
/* ===================== accounts & access ===================== */
.center { text-align: center; }
.boot { min-height: 70vh; display: grid; place-content: center; justify-items: center; gap: 10px; }
.demo-bar { background: var(--accent-soft); color: var(--ink); text-align: center; padding: 6px 12px; font-size: 13.5px; border-bottom: 1px solid var(--line); }
.ws-choices { display: grid; gap: 10px; }
.ws-choice { text-align: left; display: grid; gap: 4px; border: 1.5px solid var(--line); background: var(--surface); border-radius: 12px; padding: 14px 16px; }
.ws-choice:hover { border-color: var(--brand); background: var(--brand-soft); }
.ws-choice span { font-size: 13.5px; color: var(--muted); }
.reg-form { display: grid; gap: 12px; }
.login-card:has(.reg-form), .login-card:has(.form-grid) { max-width: 560px; }
.welcome-empty { text-align: center; justify-items: center; padding: 34px 22px; gap: 10px; }
.welcome-empty p { max-width: 520px; }
.my-classes { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.mc { display: grid; gap: 2px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; }
.find-box { border: 1px dashed var(--line); border-radius: var(--r-sm); padding: 8px 12px; }
.find-box summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.find-box[open] { display: grid; gap: 8px; }
.seg.wrap { flex-wrap: wrap; }
.gs-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.gs-list li { display: flex; gap: 10px; align-items: center; }
.gs-dot { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line); display: grid; place-items: center; font-size: 12px; font-weight: 800; flex: none; }
.gs-list li.done .gs-dot { background: var(--good); border-color: var(--good); color: #fff; }
.gs-list li.done .link { color: var(--muted); text-decoration: line-through; }
.block { display: block; }
.setup-card .gs-list li { align-items: flex-start; }
.setup-card .gs-list li.now .gs-dot { border-color: var(--brand); color: var(--brand); }
.setup-card.done { padding: 12px 18px; }
.quick-links { display: flex; gap: 8px; flex-wrap: wrap; }

/* level (book) switcher in the top bar */
.book-pick { margin: 0 8px; }