/* CBSE Win — one stylesheet for every page.
   Visual idea: a CBSE answer sheet. The student writes in blue ink on the left,
   the examiner marks in red pen on the right, errors get a yellow highlighter. */

:root {
  --paper: #F3F5F9;        /* page background, cool exam-paper white */
  --sheet: #FFFFFF;        /* cards */
  --rule: #DCE3EE;         /* faint blue ruling */
  --rule-strong: #C3CEDF;
  --ink: #16213D;          /* blue-black fountain-pen ink: body text */
  --ink-2: #46516B;
  --ink-3: #6F7B95;
  --blue: #2346B5;         /* the student's ballpoint blue: actions */
  --blue-deep: #1A3591;
  --blue-soft: #E9EEFC;
  --red: #C62828;          /* the examiner's red pen */
  --red-soft: #FDEDED;
  --green: #1B7F47;
  --green-soft: #E5F4EB;
  --amber: #9A5B00;
  --amber-soft: #FFF3D6;
  --highlighter: #FFF09A;  /* yellow highlighter on error lines */
  --margin-red: #E8A0A0;   /* notebook margin line */

  --font-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --font-head: "Bricolage Grotesque", "Atkinson Hyperlegible", system-ui, sans-serif;
  --font-code: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --font-pen: "Kalam", "Comic Sans MS", cursive;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(22, 33, 61, .06), 0 4px 16px rgba(22, 33, 61, .05);
  --gutter: clamp(16px, 3vw, 32px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
img, svg { max-width: 100%; }
a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--blue-deep); }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; }
h2 { font-size: 1.35rem; font-weight: 700; }
h3 { font-size: 1.08rem; font-weight: 700; }
p { margin: 0 0 .8em; }
code, pre, kbd { font-family: var(--font-code); font-size: .88em; }
/* Show code exactly as typed: no ligatures turning >= into ≥ or == into a long bar. */
code, pre, kbd, textarea, .CodeMirror, .console, .out-lines, table.data {
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
}
:not(pre) > code {
  background: var(--blue-soft);
  color: var(--blue-deep);
  padding: .08em .35em;
  border-radius: 5px;
  white-space: break-spaces;
}
pre.code {
  background: #F7F9FC;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  overflow-x: auto;
  line-height: 1.55;
  margin: 0 0 1em;
}
:focus-visible { outline: 3px solid #7A97F0; outline-offset: 2px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--sheet); padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }
.muted { color: var(--ink-3); }
.small { font-size: .88rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[hidden] { display: none !important; }
.grow { flex: 1 1 auto; min-width: 0; }

/* ------------------------------------------------------------ top bar */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px var(--gutter);
  background: var(--sheet);
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand-mark { width: 34px; height: 34px; color: var(--red); }
.brand-name { font: 700 1.25rem/1 var(--font-head); letter-spacing: -.02em; }
.brand-name b { color: var(--blue); font-weight: 800; }
.mainnav { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.mainnav::-webkit-scrollbar { display: none; }
.mainnav a {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 12px; border-radius: 8px; text-decoration: none; color: var(--ink-2);
  font-weight: 700; font-size: .95rem; white-space: nowrap;
}
.nav-ico { width: 18px; height: 18px; flex-shrink: 0; }
.mainnav a:hover { background: var(--paper); color: var(--ink); }
.mainnav a.is-active { color: var(--blue); background: var(--blue-soft); }
.who { margin-left: auto; display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.who-name { text-decoration: none; color: var(--ink); font-weight: 700; font-size: .95rem; }
.who-name span { color: var(--ink-3); font-weight: 400; margin-left: 4px; }
.engine {
  display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; color: var(--ink-3);
  border: 1px solid var(--rule); border-radius: 99px; padding: 3px 10px 3px 8px; white-space: nowrap;
}
.engine-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rule-strong); }
.engine[data-state="loading"] .engine-dot { background: var(--amber); animation: pulse 1.2s infinite; }
.engine[data-state="ready"] .engine-dot { background: var(--green); }
.engine[data-state="error"] .engine-dot { background: var(--red); }
@keyframes pulse { 50% { opacity: .3; } }

/* The menu shows full names ("Study topics") wherever they fit, short ones ("Topics") where they don't,
   and on phones becomes a tab bar: icon above a short word. */
.nav-short { display: none; }
@media (max-width: 1560px) {
  .topbar { gap: 16px; }
  .user-name { display: none; }
  .mainnav a { padding: 8px 10px; }
}
@media (max-width: 1440px) and (min-width: 1181px) {   /* full names on 1366px laptops: a little less padding */
  .mainnav { gap: 2px; }
  .mainnav a { padding: 8px 8px; gap: 6px; }
}
@media (max-width: 1365px) and (min-width: 1181px), (max-width: 800px) {
  .nav-long { display: none; }
  .nav-short { display: inline; }
}
@media (max-width: 1700px) { .engine-text { display: none; } }
@media (max-width: 1180px) {             /* two rows: the menu gets a row of its own */
  .topbar { flex-wrap: wrap; gap: 6px 12px; padding-top: 8px; padding-bottom: 0; }
  .mainnav { order: 3; width: 100%; padding-bottom: 6px; }
}
@media (max-width: 520px) {
  .topbar { column-gap: 8px; }
  .brand { gap: 6px; }
  .brand-mark { width: 28px; height: 28px; }
  .brand-name { font-size: 1.1rem; }
  .engine-text { display: none; }
}
@media (max-width: 600px) {              /* phones: a tab bar, icon above a short word */
  .mainnav { gap: 2px; padding-bottom: 4px; }
  .mainnav a { flex: 1 1 0; min-width: 0; flex-direction: column; gap: 2px; padding: 6px 2px 5px; font-size: .74rem; }
  .mainnav .nav-ico { width: 21px; height: 21px; }
}
@media (max-width: 400px) {
  .brand-mark { display: none; }          /* phones: room for the class button on the first row */
}
@media (max-width: 350px) {
  .topbar { gap: 6px 8px; }
}

/* Class button (Class 11 | Class 12) and the student's menu, at the right of the top bar */
.class-switch { display: inline-flex; border: 1.5px solid var(--rule-strong); border-radius: 10px; overflow: hidden; flex-shrink: 0; margin: 0; }
.class-switch button {
  border: 0; background: var(--sheet); padding: 6px 11px; font: 700 .88rem var(--font-body); color: var(--ink-2);
  cursor: pointer; white-space: nowrap;
}
.class-switch button + button { border-left: 1.5px solid var(--rule-strong); }
.class-switch button:hover { color: var(--blue); }
.class-switch button.is-on { background: var(--blue); color: #fff; cursor: default; }
.user-menu { position: relative; flex-shrink: 0; }
.user-btn {
  display: inline-flex; align-items: center; gap: 6px; list-style: none; cursor: pointer; white-space: nowrap;
  font: 700 .95rem var(--font-body); color: var(--ink); padding: 3px 6px 3px 3px; border-radius: 99px;
}
.user-btn::-webkit-details-marker { display: none; }
.user-btn:hover, .user-menu[open] .user-btn { background: var(--paper); }
.user-btn .chev { width: 14px; height: 14px; color: var(--ink-3); }
.user-initial {
  width: 30px; height: 30px; border-radius: 50%; background: var(--blue-soft); color: var(--blue-deep);
  display: inline-flex; align-items: center; justify-content: center; font: 800 .95rem var(--font-head);
}
.user-name { max-width: 150px; overflow: hidden; text-overflow: ellipsis; }
.user-panel {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 30; min-width: 210px; padding: 8px;
  background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: 0 12px 40px rgba(22, 33, 61, .18);
}
.user-who { margin: 4px 10px 8px; font-size: .9rem; color: var(--ink-3); line-height: 1.4; }
.user-who b { color: var(--ink); }
.user-panel form { margin: 0; }
.user-item {
  display: block; width: 100%; text-align: left; padding: 9px 10px; border: 0; border-radius: 8px; background: none;
  font: 700 .95rem var(--font-body); color: var(--ink); text-decoration: none; cursor: pointer;
}
.user-item:hover { background: var(--blue-soft); color: var(--blue); }
@media (max-width: 620px) { .cs-word { display: none; } .class-switch button { padding: 6px 9px; } }
@media (max-width: 430px) { .who { gap: 6px; } .user-btn .chev { display: none; } .user-btn { padding: 2px; } }
@media (max-width: 600px) { .engine { display: none; } }   /* phones: Run / Evaluate already say when Python is getting ready */

/* Subjects menu: the subject switcher next to the brand */
.subject-menu { position: relative; flex-shrink: 0; }
.subject-btn {
  display: inline-flex; align-items: center; gap: 6px; list-style: none; cursor: pointer; white-space: nowrap;
  padding: 7px 10px 7px 12px; border: 1.5px solid var(--rule-strong); border-radius: 10px;
  font: 700 .92rem var(--font-body); color: var(--ink); background: var(--sheet);
}
.subject-btn::-webkit-details-marker { display: none; }
.subject-btn:hover, .subject-menu[open] .subject-btn { border-color: var(--blue); color: var(--blue); }
.subject-btn .chev { width: 16px; height: 16px; transition: transform .15s; }
.subject-menu[open] .chev { transform: rotate(180deg); }
.subj-short { display: none; }
.subject-panel {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 30;
  width: min(840px, calc(100vw - 2 * var(--gutter))); max-height: calc(100vh - 96px); overflow: auto;
  background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(22, 33, 61, .18); padding: 16px 18px 12px;
}
.subject-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.subject-title { font: 700 1.05rem var(--font-head); }
.subject-tabs { display: inline-flex; border: 1.5px solid var(--rule-strong); border-radius: 10px; overflow: hidden; }
.subject-tabs button { border: 0; background: var(--sheet); padding: 7px 14px; font: 700 .9rem var(--font-body); color: var(--ink-2); cursor: pointer; }
.subject-tabs button[aria-selected="true"] { background: var(--blue); color: #fff; }
.subject-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px 22px; }
.subject-groups[hidden] { display: none; }
.subject-group h3 { font: 700 .74rem var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin: 10px 0 4px 8px; }
.subject-group ul { list-style: none; margin: 0; padding: 0; }
.subj { display: flex; align-items: baseline; gap: 8px; padding: 5px 8px; border-radius: 8px; font-size: .92rem; line-height: 1.35; text-decoration: none; }
.subj-name { flex: 1; min-width: 0; }
.subj-code { font: .74rem var(--font-code); color: var(--ink-3); }
.subj.is-live { color: var(--blue); font-weight: 700; }
.subj.is-live:hover { background: var(--blue-soft); }
.subj.is-soon { color: var(--ink-3); cursor: default; }
.subj .soon { font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); background: var(--paper); border-radius: 5px; padding: 1px 6px; }
.subject-note { margin: 12px 8px 2px; font-size: .82rem; color: var(--ink-3); }
@media (max-width: 760px) { .subject-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 1440px) and (min-width: 1181px), (max-width: 520px) {
  .subj-long { display: none; }
  .subj-short { display: inline; }
}
@media (max-width: 520px) {
  .subject-btn { padding: 6px 8px 6px 10px; }
  .subject-menu { position: static; }
  .subject-panel { left: var(--gutter); right: var(--gutter); width: auto; top: calc(100% + 4px); max-height: calc(100vh - 120px); }
  .subject-groups { grid-template-columns: 1fr; }
}
@media (max-width: 400px) { .subject-btn { font-size: .86rem; padding: 5px 6px 5px 8px; gap: 4px; } }

/* ------------------------------------------------------------ layout */
.page { width: 100%; max-width: 1180px; margin: 0 auto; padding: 28px var(--gutter) 48px; }
.page-wide { width: 100%; max-width: 1480px; margin: 0 auto; padding: 18px var(--gutter) 40px; }
.foot { padding: 18px var(--gutter) 26px; color: var(--ink-3); font-size: .85rem; text-align: center; }
.foot p { margin: 0; }
.eyebrow { font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px; }
.lede { font-size: 1.1rem; color: var(--ink-2); max-width: 62ch; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px 22px;
}
.card + .card { margin-top: 16px; }
.card-link { display: block; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
.card-link:hover { border-color: var(--blue); color: inherit; transform: translateY(-1px); }
.card-link h3 { color: var(--blue); }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 34px 0 12px; scroll-margin-top: 90px; }
.section-title h2 { margin: 0; }

/* ------------------------------------------------------------ buttons & form controls */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 700 .97rem/1 var(--font-body); padding: 11px 18px; border-radius: 10px;
  border: 1.5px solid var(--rule-strong); background: var(--sheet); color: var(--ink);
  cursor: pointer; text-decoration: none; transition: background .15s, border-color .15s, color .15s;
  min-height: 44px;
}
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-deep); border-color: var(--blue-deep); color: #fff; }
.btn-quiet { border-color: transparent; background: transparent; color: var(--ink-2); padding-left: 10px; padding-right: 10px; }
.btn-quiet:hover { background: var(--paper); border-color: transparent; }
.btn-small { min-height: 34px; padding: 7px 12px; font-size: .88rem; border-radius: 8px; }
.btn .ico { width: 18px; height: 18px; flex-shrink: 0; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.kbd-hint { font-size: .78rem; color: var(--ink-3); }

input[type="text"], input[type="search"], input[type="password"], textarea, select {
  font: inherit; color: var(--ink); background: var(--sheet);
  border: 1.5px solid var(--rule-strong); border-radius: 10px; padding: 10px 12px; width: 100%;
}
textarea { resize: vertical; line-height: 1.5; }
input:focus, textarea:focus, select:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px var(--blue-soft); }
label.field { display: block; font-weight: 700; margin-bottom: 14px; }
label.field span { display: block; margin-bottom: 6px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 99px;
  border: 1px solid var(--rule-strong); background: var(--sheet); color: var(--ink-2);
  font-size: .9rem; text-decoration: none; font-weight: 700;
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; padding: 2px 8px; border-radius: 6px; background: var(--paper); color: var(--ink-2); }
.tag-blue { background: var(--blue-soft); color: var(--blue-deep); }
.tag-red { background: var(--red-soft); color: var(--red); }
.tag-green { background: var(--green-soft); color: var(--green); }
.tag-amber { background: var(--amber-soft); color: var(--amber); }

/* ------------------------------------------------------------ home: the notebook hero */
.hello { margin: 4px 0 18px; }
.hello h1 { margin-bottom: 4px; }
.notebook {
  position: relative;
  background:
    linear-gradient(to right, transparent 64px, var(--margin-red) 64px, var(--margin-red) 66px, transparent 66px),
    repeating-linear-gradient(to bottom, transparent 0, transparent 43px, #CFDAEE 43px, #CFDAEE 44px),
    var(--sheet);
  border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 30px 28px 26px 92px;
}
.notebook-label { font: 700 .82rem/1 var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 12px; }
.notebook form { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.notebook .ink-input {
  flex: 1 1 320px; border: 0; border-bottom: 2px solid var(--blue); border-radius: 0; background: transparent;
  font: 400 clamp(1.5rem, 3vw, 2rem)/1.3 var(--font-pen); color: var(--blue); padding: 4px 2px; box-shadow: none;
}
.notebook .ink-input::placeholder { color: #9AA9CB; }
.notebook .ink-input:focus { box-shadow: none; border-bottom-color: var(--blue-deep); }
.notebook .chips { margin-top: 18px; }
@media (max-width: 600px) {
  .notebook { padding: 22px 16px 20px 40px; background:
    linear-gradient(to right, transparent 24px, var(--margin-red) 24px, var(--margin-red) 26px, transparent 26px),
    repeating-linear-gradient(to bottom, transparent 0, transparent 43px, #CFDAEE 43px, #CFDAEE 44px), var(--sheet); }
}
.home-cards { margin-top: 22px; }
.home-cards .card-link p { color: var(--ink-2); margin: 0; }
.home-cards .card-link .eyebrow { margin-bottom: 8px; }
.stat-line { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 10px; }
.stat-line div { font-size: .9rem; color: var(--ink-3); }
.stat-line b { display: block; font: 800 1.5rem/1.1 var(--font-head); color: var(--ink); }

.list-plain { list-style: none; margin: 0; padding: 0; }
.row-link {
  display: flex; align-items: center; gap: 12px; padding: 12px 4px; border-bottom: 1px solid var(--rule);
  text-decoration: none; color: inherit;
}
.row-link:last-child { border-bottom: 0; }
.row-link:hover { color: var(--blue); }
.row-link .grow { flex: 1; min-width: 0; }
.row-link .meta { color: var(--ink-3); font-size: .88rem; }

.meter { height: 8px; background: var(--paper); border-radius: 99px; overflow: hidden; min-width: 90px; }
.meter > i { display: block; height: 100%; background: var(--blue); border-radius: 99px; }
.meter.good > i { background: var(--green); }
.meter.mid > i { background: #D99A1E; }
.meter.low > i { background: var(--red); }

/* ------------------------------------------------------------ study page */
.study-search { display: flex; gap: 10px; margin: 6px 0 22px; max-width: 720px; }
.syllabus { columns: 2 340px; column-gap: 28px; }
.unit { break-inside: avoid; margin-bottom: 22px; }
.unit h3 { font-size: .95rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; font-family: var(--font-body); }
.topic-row {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; margin: 0 -12px; border-radius: 10px;
  text-decoration: none; color: var(--ink);
}
.topic-row:hover { background: var(--sheet); color: var(--blue); }
.topic-row .grow { flex: 1; }
.topic-row .done { font-size: .8rem; color: var(--green); font-weight: 700; }

.study-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 28px; align-items: start; }
@media (max-width: 980px) { .study-grid { grid-template-columns: 1fr; } }
.study-aside { position: sticky; top: 76px; }
@media (max-width: 980px) { .study-aside { position: static; } }
.only-narrow { display: none; }
@media (max-width: 980px) { .only-narrow { display: inline-flex; } }
.study-head { margin-bottom: 18px; }
.study-head .lede { margin-bottom: 0; }
.block { margin-bottom: 26px; }
.block > h2 { display: flex; align-items: center; gap: 10px; }
.notes { margin: 0; padding: 0; list-style: none; counter-reset: none; }
.notes li {
  position: relative; padding: 10px 14px 10px 30px; border-bottom: 1px dashed var(--rule);
}
.notes li:last-child { border-bottom: 0; }
.notes li::before { content: ""; position: absolute; left: 10px; top: 21px; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.notes li p:last-child, .qa-a p:last-child { margin-bottom: 0; }
.qa-item { padding: 14px 0; border-bottom: 1px solid var(--rule); }
.qa-item:last-child { border-bottom: 0; }
.qa-q { display: flex; gap: 10px; font-weight: 700; }
.qa-q .n { font-family: var(--font-head); color: var(--blue); min-width: 1.8em; }
.qa-q .grow { flex: 1; }
.qa-q p { margin: 0; }
.qa-a { margin: 8px 0 0 2.6em; color: var(--ink-2); }
.self-test .qa-a { display: none; }
.self-test .qa-item.open .qa-a { display: block; }
.qa-reveal { display: none; }
.self-test .qa-reveal { display: inline-flex; margin: 8px 0 0 2.6em; }
.self-test .qa-item.open .qa-reveal { display: none; }
.icon-btn {
  border: 0; background: transparent; color: var(--ink-3); cursor: pointer; padding: 4px; border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.icon-btn:hover { color: var(--blue); background: var(--blue-soft); }
.icon-btn svg { width: 20px; height: 20px; }
.program { border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; margin-bottom: 18px; background: var(--sheet); }
.program-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--rule); }
.program-head h3 { margin: 0; flex: 1; font-size: 1rem; }
.program pre.code { border: 0; border-radius: 0; margin: 0; background: #FAFBFD; }
.program-note { padding: 10px 16px; border-top: 1px solid var(--rule); color: var(--ink-2); font-size: .95rem; }
.program-note p:last-child { margin: 0; }
.program-out { border-top: 1px solid var(--rule); }
.start-card h2 { margin-bottom: 6px; }
.start-card .btn { width: 100%; margin-top: 8px; }
.toc { margin: 14px 0 0; padding: 0; list-style: none; font-size: .95rem; }
.toc li { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--rule); }
.toc li:last-child { border-bottom: 0; }
.toc a { text-decoration: none; }

/* ------------------------------------------------------------ console output */
.console {
  font: 14px/1.5 var(--font-code); background: #FBFCFE; color: var(--ink);
  padding: 12px 14px; white-space: pre-wrap; word-break: break-word; margin: 0; max-height: 320px; overflow: auto;
}
.console .c-in { color: var(--blue); font-weight: 600; }
.console .c-err { color: var(--red); }
.console-label { font-size: .78rem; font-weight: 700; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; padding: 8px 14px 0; }

/* ------------------------------------------------------------ practice page */
.practice-head { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.practice-head .titles { flex: 1 1 360px; }
.practice-head h1 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 2px; }
.practice-head .crumb { font-size: .9rem; color: var(--ink-3); }
.practice-head .crumb a { color: var(--ink-3); }
.tally { text-align: right; }
.tally b { font: 400 1.9rem/1 var(--font-pen); color: var(--red); }
.tally span { display: block; font-size: .8rem; color: var(--ink-3); }
.timer { font: 600 .95rem var(--font-code); color: var(--ink-2); }

.navigator { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 16px; }
.nav-section { font-size: .78rem; font-weight: 700; color: var(--ink-3); margin: 0 4px 0 10px; }
.nav-section:first-child { margin-left: 0; }
.pill {
  min-width: 38px; height: 38px; padding: 0 8px; border-radius: 10px; border: 1.5px solid var(--rule-strong);
  background: var(--sheet); font: 700 .92rem var(--font-body); color: var(--ink-2); cursor: pointer;
}
.pill:hover { border-color: var(--blue); color: var(--blue); }
.pill.is-current { border-color: var(--blue); background: var(--blue); color: #fff; }
.pill.s-perfect { border-color: var(--green); background: var(--green-soft); color: var(--green); }
.pill.s-good, .pill.s-partial { border-color: #D99A1E; background: var(--amber-soft); color: var(--amber); }
.pill.s-low, .pill.s-zero { border-color: var(--red); background: var(--red-soft); color: var(--red); }
.pill.is-current.s-perfect, .pill.is-current.s-good, .pill.is-current.s-partial, .pill.is-current.s-low, .pill.is-current.s-zero {
  box-shadow: 0 0 0 3px var(--blue-soft); outline: 2px solid var(--blue); outline-offset: 1px;
}

.work-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 1020px) { .work-grid { grid-template-columns: 1fr; } }
.task-card { padding: 0; overflow: hidden; }
.task-top { padding: 18px 22px 6px; }
.task-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.task-meta .grow { flex: 1; }
.marks-badge { font: 700 .82rem var(--font-body); color: var(--ink-2); border: 1px solid var(--rule-strong); border-radius: 6px; padding: 2px 8px; }
.task-q { font-size: 1.05rem; }
.task-q p:last-child { margin-bottom: 0; }
.context-box { background: #F7F9FC; border: 1px solid var(--rule); border-radius: var(--radius-sm); padding: 12px 14px; margin-bottom: 12px; font-size: .97rem; }
.context-box p:last-child { margin: 0; }
.db-tables { margin-top: 12px; }
.db-tables h4 { font: 700 .82rem var(--font-body); letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); margin: 10px 0 6px; }
.answer-area { padding: 14px 22px 18px; }
.answer-area > label { display: block; font-weight: 700; margin-bottom: 8px; }
.editor-wrap { border: 1.5px solid var(--rule-strong); border-radius: 10px; overflow: hidden; background: var(--sheet); }
.editor-wrap:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
.stdin-box { margin-top: 10px; }
.stdin-box summary { cursor: pointer; font-weight: 700; color: var(--ink-2); font-size: .93rem; padding: 4px 0; }
.stdin-box textarea { font-family: var(--font-code); font-size: .9rem; margin-top: 6px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.actions .grow { flex: 1; }
.run-output { margin-top: 14px; border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.run-note { margin: 0 12px 12px; padding: 8px 12px; border-radius: 8px; background: var(--amber-soft); color: #5C3D00; font-size: .92rem; }
.given-files { margin-top: 14px; border: 1px dashed var(--rule-strong); border-radius: 10px; padding: 10px 12px; background: #FBFCFE; }
.gf-title { font: 700 .78rem var(--font-body); letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px; }
.gf + .gf { margin-top: 10px; }
.gf-name { display: flex; align-items: center; justify-content: space-between; gap: 8px; font: 600 .9rem var(--font-code); margin-bottom: 4px; }
.gf-text { font-family: var(--font-code); font-size: .9rem; background: var(--sheet); }
.given-files .console { border: 1px solid var(--rule); border-radius: 8px; max-height: 200px; }
.given-files p { margin: 8px 0 0; }
.test-body .full pre.console + pre.console { border-top: 1px dashed var(--rule); }
.hint-box { margin-top: 12px; background: var(--amber-soft); border-radius: 10px; padding: 10px 14px; color: #5C3D00; }
.hint-box p:last-child { margin: 0; }
.hint-box b { color: var(--amber); }
.options { display: grid; gap: 8px; }
.option {
  display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border: 1.5px solid var(--rule-strong);
  border-radius: 10px; cursor: pointer; background: var(--sheet);
}
.option:hover { border-color: var(--blue); }
.option input { margin-top: 4px; accent-color: var(--blue); width: 18px; height: 18px; flex-shrink: 0; }
.option .letter { font-weight: 700; color: var(--ink-3); }
.option.is-picked { border-color: var(--blue); background: var(--blue-soft); }
.option.is-right { border-color: var(--green); background: var(--green-soft); }
.option.is-wrong { border-color: var(--red); background: var(--red-soft); }
textarea.answer { min-height: 150px; font-size: 1.02rem; }
textarea.answer.mono { font-family: var(--font-code); font-size: .95rem; }
.mic-btn.is-listening { color: var(--red); border-color: var(--red); }
.task-foot { display: flex; justify-content: space-between; gap: 10px; padding: 14px 22px; border-top: 1px solid var(--rule); background: #FAFBFD; }

/* CodeMirror */
.CodeMirror { font-family: var(--font-code); font-size: 14.5px; line-height: 1.6; height: auto; min-height: 220px; color: var(--ink); }
.CodeMirror-scroll { min-height: 220px; max-height: 520px; }
.CodeMirror-gutters { background: #F7F9FC; border-right: 1px solid var(--rule); }
.CodeMirror-linenumber { color: #9AA6BE; padding: 0 6px 0 4px; }
.CodeMirror-gutter.marks { width: 22px; }
.CodeMirror-activeline-background { background: #F5F8FF; }
.cm-s-default .cm-keyword { color: #7A2CB8; font-weight: 600; }
.cm-s-default .cm-def { color: #1D5FD6; }
.cm-s-default .cm-string { color: #0E7A55; }
.cm-s-default .cm-number { color: #B6560F; }
.cm-s-default .cm-comment { color: #7C8698; font-style: italic; }
.cm-s-default .cm-builtin { color: #1D5FD6; }
.cm-s-default .cm-variable-2 { color: var(--ink); }
.line-error { background: var(--highlighter) !important; }
.line-warn { background: #FFF8E1 !important; }
.gutter-mark { font: 700 13px/1.6 var(--font-pen); text-align: center; width: 20px; cursor: help; }
.gutter-mark.err { color: var(--red); }
.gutter-mark.warn { color: var(--amber); }

/* ------------------------------------------------------------ examiner's report */
.report-card { position: sticky; top: 76px; padding: 0; overflow: hidden; }
@media (max-width: 1020px) { .report-card { position: static; } }
.report-title {
  display: flex; align-items: center; gap: 10px; padding: 14px 22px; border-bottom: 1px solid var(--rule);
  background: linear-gradient(#FFFDFD, #FFF8F8);
}
.report-title h2 { margin: 0; font-size: 1.05rem; flex: 1; color: var(--red); }
.report-title .pen { width: 22px; height: 22px; color: var(--red); }
.report-body { padding: 18px 22px 22px; max-height: calc(100vh - 170px); overflow: auto; }
@media (max-width: 1020px) { .report-body { max-height: none; } }
.report-empty { color: var(--ink-3); text-align: center; padding: 30px 10px; }
.report-empty svg { width: 64px; height: 64px; color: #E5B3B3; margin-bottom: 8px; }
.report-empty p { max-width: 36ch; margin: 0 auto .6em; }
.report-loading { display: flex; align-items: center; gap: 12px; color: var(--ink-2); padding: 20px 0; }
.spinner { width: 22px; height: 22px; border: 3px solid var(--rule); border-top-color: var(--red); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.verdict { display: flex; gap: 18px; align-items: center; margin-bottom: 14px; }
.score-mark { position: relative; width: 112px; height: 92px; flex-shrink: 0; }
.score-mark svg { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--red); overflow: visible; }
.score-mark svg path { stroke-dasharray: 340; stroke-dashoffset: 0; animation: draw .7s ease-out both; }
@keyframes draw { from { stroke-dashoffset: 340; } }
.score-mark .num {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font: 700 1.9rem/1 var(--font-pen); color: var(--red); transform: rotate(-6deg);
}
.score-mark .num small { font-size: 1.05rem; margin-left: 2px; }
.verdict-text { flex: 1; min-width: 0; }
.remark { font: 700 1.35rem/1.15 var(--font-pen); color: var(--red); margin-bottom: 4px; }
.headline { color: var(--ink); font-weight: 700; }
.voice-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 4px 0 16px; }
.voice-row label { font-size: .85rem; color: var(--ink-3); display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }
.voice-row input { accent-color: var(--red); }

.rsec { margin-top: 18px; }
.rsec > h3 { font: 700 .82rem var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 8px; display: flex; gap: 8px; align-items: center; }
.err-card { border-left: 4px solid var(--red); background: var(--red-soft); border-radius: 0 10px 10px 0; padding: 12px 14px; margin-bottom: 10px; }
.err-card h4 { margin: 0 0 6px; font-size: 1rem; display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.line-badge { font: 700 .78rem var(--font-body); background: var(--red); color: #fff; padding: 2px 8px; border-radius: 99px; cursor: pointer; border: 0; }
.err-card p { margin: 0 0 6px; }
.err-card .fix { color: #5B1515; }
.err-card .fix b { color: var(--red); }
.err-card pre { margin: 6px 0 0; background: #fff; border: 1px solid #F3C9C9; border-radius: 8px; padding: 6px 10px; font: 13px/1.5 var(--font-code); overflow-x: auto; }
.tests { display: grid; gap: 8px; }
.test { border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.test-head { display: flex; align-items: center; gap: 10px; padding: 8px 12px; background: #FAFBFD; cursor: pointer; list-style: none; }
.test-head::-webkit-details-marker { display: none; }
.test-head .grow { flex: 1; font-weight: 700; font-size: .95rem; }
.test-head .why { font-size: .85rem; color: var(--ink-3); }
.mark-ok, .mark-no { font: 700 1.2rem/1 var(--font-pen); width: 22px; text-align: center; }
.mark-ok { color: var(--green); }
.mark-no { color: var(--red); }
.test-body { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--rule); }
.test-body > div { min-width: 0; }
.test-body > div + div { border-left: 1px solid var(--rule); }
.test-body .full { grid-column: 1 / -1; border-left: 0 !important; border-bottom: 1px solid var(--rule); }
.test-body .console { max-height: 200px; font-size: 13px; }
@media (max-width: 560px) { .test-body { grid-template-columns: 1fr; } .test-body > div + div { border-left: 0; border-top: 1px solid var(--rule); } }
.hint-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.hint-list li { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 10px; background: var(--amber-soft); color: #4D3300; }
.hint-list li.tip { background: var(--blue-soft); color: var(--ink); }
.hint-list .line-badge { background: var(--amber); }
.hint-list li.tip .line-badge { background: var(--blue); }
.req-list { list-style: none; padding: 0; margin: 0; }
.req-list li { display: flex; gap: 8px; align-items: baseline; padding: 4px 0; }
.rubric { display: grid; gap: 10px; }
.rubric-row { display: grid; grid-template-columns: 1fr 90px 54px; gap: 10px; align-items: center; font-size: .92rem; }
.rubric-row .pct { text-align: right; font-weight: 700; color: var(--ink-2); }
.answer-box { border: 1.5px solid var(--green); border-radius: 12px; overflow: hidden; }
.answer-box summary { padding: 10px 14px; background: var(--green-soft); color: var(--green); font-weight: 700; cursor: pointer; }
.answer-box .inner { padding: 12px 14px; }
.answer-box pre.code { margin-bottom: 10px; }
.answer-box .inner > :last-child { margin-bottom: 0; }
.points { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.points li { display: flex; gap: 10px; align-items: flex-start; }
.out-lines { font: 14px/1.6 var(--font-code); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.out-lines div { padding: 2px 12px; white-space: pre-wrap; }
.out-lines .ok { background: var(--green-soft); }
.out-lines .no { background: var(--red-soft); }
.note-list { margin: 0; padding-left: 1.1em; color: var(--ink-2); }
.files-list { display: grid; gap: 8px; margin-top: 8px; }
.file-chip { border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.file-chip summary { padding: 6px 10px; font: 600 .85rem var(--font-code); cursor: pointer; background: #FAFBFD; }

/* session summary */
.summary-list { list-style: none; padding: 0; margin: 0; }
.summary-list li { display: flex; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--rule); }
.summary-list li .grow { flex: 1; min-width: 0; }

/* ------------------------------------------------------------ tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 10px; margin-bottom: 10px; background: var(--sheet); }
table.data { border-collapse: collapse; width: 100%; font-size: .9rem; }
table.data th, table.data td { padding: 6px 10px; border-bottom: 1px solid var(--rule); text-align: left; white-space: nowrap; }
table.data th { background: #F4F6FB; font-weight: 700; font-size: .82rem; color: var(--ink-2); }
table.data tr:last-child td { border-bottom: 0; }
table.data td.null { color: var(--ink-3); font-style: italic; }
.table-title { font-size: .85rem; font-weight: 700; color: var(--ink-2); margin: 6px 0; }
.sql-pair { display: grid; gap: 10px; }

/* ------------------------------------------------------------ papers, progress, welcome */
.paper-card { display: flex; gap: 16px; align-items: flex-start; }
.paper-card .grow { flex: 1; min-width: 0; }
.paper-card h3 { margin-bottom: 4px; }
.paper-card p { color: var(--ink-2); margin-bottom: 8px; }
.paper-facts { display: flex; gap: 14px; flex-wrap: wrap; font-size: .88rem; color: var(--ink-3); }
.paper-score { font: 700 1.5rem/1 var(--font-pen); color: var(--red); text-align: right; min-width: 70px; }
.paper-score span { display: block; font: 400 .75rem var(--font-body); color: var(--ink-3); }
@media (max-width: 600px) {
  .paper-card { flex-direction: column-reverse; gap: 6px; }
  .paper-score { text-align: left; }
}
.big-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 8px; }
.big-stats .card { padding: 16px 18px; }
.big-stats b { display: block; font: 800 2rem/1.1 var(--font-head); }
.big-stats span { color: var(--ink-3); font-size: .9rem; }
@media (max-width: 760px) { .big-stats { grid-template-columns: 1fr 1fr; } }
.welcome { max-width: 760px; margin: 0 auto; }
.welcome.access { max-width: 520px; }
.student-buttons { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 26px; }
.student-btn {
  display: block; text-align: left; padding: 16px 18px; border-radius: 12px; border: 1.5px solid var(--rule-strong);
  background: var(--sheet); cursor: pointer; font: inherit; color: var(--ink);
}
.student-btn:hover { border-color: var(--blue); }
.student-btn b { display: block; font: 400 1.5rem/1.2 var(--font-pen); color: var(--blue); }
.student-btn span { color: var(--ink-3); font-size: .9rem; }
.seg { display: inline-flex; border: 1.5px solid var(--rule-strong); border-radius: 10px; overflow: hidden; }
.seg label { padding: 9px 18px; cursor: pointer; font-weight: 700; }
.seg input { position: absolute; opacity: 0; }
.seg label:has(input:checked) { background: var(--blue); color: #fff; }
.seg label:has(input:focus-visible) { outline: 3px solid #7A97F0; outline-offset: -3px; }

/* lab */
.lab-tools { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.lab-tools select { width: auto; max-width: 100%; min-width: 0; }
.seg-btns { display: inline-flex; border: 1.5px solid var(--rule-strong); border-radius: 10px; overflow: hidden; }
.seg-btns button { border: 0; background: var(--sheet); padding: 9px 16px; font: 700 .95rem var(--font-body); cursor: pointer; color: var(--ink-2); }
.seg-btns button.is-on { background: var(--blue); color: #fff; }

/* ------------------------------------------------------------ Claude: uploaded papers, ask a question */
.grid-2 > .card, .grid-3 > .card { margin-top: 0; }
.notice { background: var(--amber-soft); border-color: #F0D9A6; color: #4D3300; margin-bottom: 18px; }
.notice h2 { font-size: 1.1rem; margin-bottom: 6px; }
.notice p:last-child { margin-bottom: 0; }
.crumb a { color: var(--ink-3); }
.upload-grid { align-items: start; }
.dropzone {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  min-height: 150px; padding: 22px; border: 2px dashed var(--rule-strong); border-radius: var(--radius);
  background: #FAFBFD; text-align: center; cursor: pointer; transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.is-over { border-color: var(--blue); background: var(--blue-soft); }
.dropzone:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
.dropzone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.dz-main { font-weight: 700; font-size: 1.05rem; color: var(--ink); }
.dz-main u { color: var(--blue); }
.picked { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.picked li { display: flex; align-items: center; gap: 10px; padding: 6px 8px; border: 1px solid var(--rule); border-radius: 10px; background: var(--sheet); }
.picked img { width: 46px; height: 58px; object-fit: cover; border-radius: 6px; border: 1px solid var(--rule); background: #fff; }
.picked .icon-btn { font-size: 1rem; width: 32px; height: 32px; }
.picked .icon-btn:disabled { opacity: .3; cursor: default; background: transparent; }
.file-badge { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 58px; border-radius: 6px; background: var(--red-soft); color: var(--red); font: 700 .78rem var(--font-body); }
.steps { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 10px; counter-reset: step; }
.steps li { position: relative; padding-left: 38px; min-height: 28px; display: flex; align-items: center; color: var(--ink-3); counter-increment: step; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--rule-strong); display: flex; align-items: center; justify-content: center; font: 700 .85rem var(--font-body); background: var(--sheet);
}
.steps li.is-active { color: var(--ink); font-weight: 700; }
.steps li.is-active::before { content: ""; border-color: var(--rule); border-top-color: var(--blue); animation: spin .8s linear infinite; }
.steps li.is-done { color: var(--ink); }
.steps li.is-done::before { content: "✓"; border-color: var(--green); background: var(--green); color: #fff; }
.steps li.is-failed { color: var(--red); }
.steps li.is-failed::before { content: "!"; border-color: var(--red); background: var(--red); color: #fff; }
#progress-msg.is-error { color: var(--red); font-weight: 700; }
.q-preview { margin: 8px 0 0; padding-left: 0; list-style: none; display: grid; gap: 6px; font-size: .92rem; max-height: 420px; overflow: auto; }
.q-preview li { padding: 6px 0; border-bottom: 1px dashed var(--rule); }
.upload-cta { display: flex; gap: 16px; align-items: flex-start; border-style: dashed; border-width: 2px; }
.upload-cta p { color: var(--ink-2); margin: 0; }
.cta-icon { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: var(--blue-soft); color: var(--blue); display: flex; align-items: center; justify-content: center; }
.cta-icon svg { width: 24px; height: 24px; }
.paper-card.is-draft { border-style: dashed; background: #FCFCFE; }

.examiner { border-left: 4px solid var(--red); background: #FFFBFB; border-radius: 0 10px 10px 0; padding: 10px 14px 12px; }
.examiner > h3 { margin-bottom: 6px; }
.examiner-text p { margin: 0 0 8px; }
.examiner-text > :last-child { margin-bottom: 0; }
.examiner-text ul, .examiner-text ol { margin: 0 0 8px; padding-left: 1.2em; }
.examiner .points { margin-top: 8px; }
.ai-note { background: var(--amber-soft); color: #4D3300; border-radius: 10px; padding: 10px 14px; font-size: .93rem; }
.mark-skip { font: 700 1.2rem/1 var(--font-pen); width: 22px; text-align: center; color: var(--ink-3); }
.voice-row .grow { flex: 1; }
.console.bordered { border: 1px solid var(--rule); border-radius: 10px; }

.ask-label { font-weight: 700; font-size: 1.02rem; }
textarea.ask-q { min-height: 96px; }
.ask-opts { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: flex-end; margin: 12px 0 4px; }
.ask-opt { display: flex; flex-direction: column; gap: 6px; font-weight: 700; font-size: .92rem; color: var(--ink-2); }
.ask-opt select { width: auto; min-width: 90px; }
#ask-db { max-width: 340px; }
.row-link.as-button { width: 100%; background: none; border: 0; font: inherit; text-align: left; cursor: pointer; }
.history-score { font: 700 1.25rem/1 var(--font-pen); color: var(--red); white-space: nowrap; }

.voice-dialog { border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: 0 10px 40px rgba(22, 33, 61, .25); padding: 22px; width: min(480px, calc(100vw - 32px)); color: var(--ink); background: var(--sheet); }
.voice-dialog::backdrop { background: rgba(22, 33, 61, .35); }
.voice-dialog h2 { margin-bottom: 14px; }
.voice-dialog input[type="range"] { width: 100%; accent-color: var(--red); }
.voice-dialog output { font-weight: 400; color: var(--ink-3); }
.voice-dialog .btn-row .grow { flex: 1; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); background: var(--ink); color: #fff;
  padding: 10px 18px; border-radius: 10px; font-size: .95rem; z-index: 60; box-shadow: var(--shadow);
  max-width: calc(100vw - 32px);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition: none !important; }
}