/* FDA Practice — mobile-first styling in Utrecht University colours.
   UU yellow #FFCD00, UU red #C00A35, black/white. Light + dark. */

:root {
  --bg: #f6f5f0;
  --card: #ffffff;
  --text: #131313;
  --muted: #6b6a64;
  --border: #e3e1d8;
  --brand: #ffcd00;       /* UU yellow */
  --brand-ink: #111111;   /* text on yellow */
  --accent: #c00a35;      /* UU red — links, active accents */
  --accent-soft: #fbe9ed;
  --ok: #15803d;
  --ok-soft: #dcf3e3;
  --bad: #c00a35;
  --bad-soft: #fbe9ed;
  --code-bg: #f3f1e8;
  --shadow: 0 1px 3px rgba(19, 19, 19, 0.08);
  --mono: "SF Mono", "Cascadia Code", Consolas, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171712;
    --card: #211f1a;
    --text: #f1efe7;
    --muted: #a4a298;
    --border: #3b382e;
    --brand: #ffcd00;
    --brand-ink: #111111;
    --accent: #f2607e;
    --accent-soft: #3a1d26;
    --ok: #4ade80;
    --ok-soft: #1b3324;
    --bad: #ff6b85;
    --bad-soft: #3d1a22;
    --code-bg: #191812;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  /* stop iOS Safari from inflating text on its own */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body { overflow-x: hidden; } /* nothing may widen the page itself */

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

main#app {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem 1rem 3rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}

/* ---------- top bar (UU yellow) ---------- */

#topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--brand);
  color: var(--brand-ink);
  box-shadow: var(--shadow);
}
.topbar-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 1rem;
}
.brand { color: var(--brand-ink); text-decoration: none; font-weight: 800; letter-spacing: 0.02em; }
.brand span { font-weight: 400; opacity: 0.75; }
.top-right { display: flex; align-items: center; gap: 0.6rem; }
.top-student { font-size: 0.85rem; opacity: 0.7; }
.view-mode-control { display: inline-flex; align-items: center; gap: 0.35rem; margin: 0; padding: 0.22rem 0.46rem; border: 1px solid rgba(0, 0, 0, 0.24); border-radius: 999px; font-size: 0.72rem; font-weight: 800; line-height: 1; cursor: pointer; user-select: none; }
.view-mode-control.student-view { background: rgba(255, 255, 255, 0.46); }
.view-mode-control input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.view-mode-track { position: relative; width: 1.75rem; height: 1rem; border-radius: 999px; background: rgba(0, 0, 0, 0.38); transition: background 0.15s ease; }
.view-mode-track i { position: absolute; top: 0.15rem; left: 0.15rem; width: 0.7rem; height: 0.7rem; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.32); transition: transform 0.15s ease; }
.view-mode-control input:checked + .view-mode-track { background: var(--accent); }
.view-mode-control input:checked + .view-mode-track i { transform: translateX(0.75rem); }
.view-mode-control input:focus-visible + .view-mode-track { outline: 3px solid var(--brand-ink); outline-offset: 3px; }
.view-mode-control input:disabled ~ * { opacity: 0.55; }
.points-badge {
  background: rgba(0, 0, 0, 0.88);
  color: var(--brand);
  border-radius: 999px;
  padding: 0.15rem 0.65rem;
  font-size: 0.85rem;
  font-weight: 700;
}
.btn-icon {
  background: none;
  border: none;
  color: var(--brand-ink);
  font-size: 1.15rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}

@media (max-width: 620px) {
  .topbar-inner { gap: 0.45rem; }
  .top-right { gap: 0.35rem; }
  .top-student { display: none; }
  .view-mode-control { padding-inline: 0.38rem; }
  #view-mode-label { max-width: 4.8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

/* ---------- generic ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem;
  box-shadow: var(--shadow);
  margin: 0.9rem 0;
}

h1 { font-size: 1.45rem; margin: 0.4rem 0 0.1rem; }
h2 { font-size: 1.25rem; margin: 0.8rem 0 0.4rem; }

label { display: block; font-weight: 600; font-size: 0.9rem; margin: 0.7rem 0 0.25rem; }

input[type="text"], input[type="password"] {
  width: 100%;
  font-size: 1.05rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  outline: none;
}
input:focus { border-color: var(--brand-ink); box-shadow: 0 0 0 3px var(--brand); }
:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--brand-ink);
  outline-offset: 3px;
}
@media (prefers-color-scheme: dark) {
  input:focus { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
}

.btn {
  display: inline-block;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 10px;
  border: 1px solid transparent;
  padding: 0.75rem 1.1rem;
  cursor: pointer;
  transition: opacity 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { opacity: 0.75; }
.btn:disabled { opacity: 0.5; cursor: default; }
.deployment-label { display: inline-block; margin: 0.15rem 0 0; padding: 0.18rem 0.55rem; border-radius: 999px; background: var(--brand); color: var(--brand-ink); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.04em; }
.btn-primary { background: #111111; color: var(--brand); }
@media (prefers-color-scheme: dark) {
  .btn-primary { background: var(--brand); color: var(--brand-ink); }
}
.btn-ghost { background: none; color: var(--accent); border-color: var(--border); }
.btn-block { display: block; width: 100%; margin-top: 0.9rem; }

.error {
  background: var(--bad-soft);
  color: var(--bad);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  font-size: 0.92rem;
  margin-top: 0.8rem;
}

.btn-back-nav, .mock-back-nav {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.4rem 0;
  margin-top: 0.3rem;
}

/* ---------- timed practice mock ---------- */

.mock-home-card { border-color: rgba(192, 10, 53, 0.35); background: linear-gradient(135deg, var(--card), var(--accent-soft)); }
.mock-home-icon { display: grid; place-items: center; width: 2.6rem; height: 2.6rem; flex: none; border-radius: 12px; background: var(--accent); color: #fff; font-size: 1.25rem; }
.mock-eyebrow { display: inline-block; color: var(--accent); font-size: 0.72rem; font-weight: 850; letter-spacing: 0.08em; text-transform: uppercase; }
.mock-overview-hero { padding: 1.1rem; }
.mock-overview-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.55rem; margin-bottom: 1rem; }
.mock-overview-stat { padding: 0.75rem 0.45rem; border-radius: 10px; background: var(--code-bg); text-align: center; }
.mock-overview-stat strong { display: block; font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.mock-overview-stat span { display: block; color: var(--muted); font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.mock-instructions { padding-left: 1.2rem; color: var(--muted); font-size: 0.9rem; }
.mock-instructions li { margin: 0.35rem 0; }
.mock-sticky-head { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: -1rem -1rem 0.4rem; padding: 0.75rem 1rem; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.mock-sticky-head h2 { margin: 0; font-size: 1.12rem; }
.mock-timer { min-width: 6.4rem; padding: 0.45rem 0.65rem; border: 2px solid var(--text); border-radius: 10px; background: var(--card); text-align: center; font: 850 1.18rem/1 var(--mono); font-variant-numeric: tabular-nums; }
.mock-timer.low { color: var(--bad); border-color: var(--bad); background: var(--bad-soft); }
.mock-question-card { margin: 0.9rem 0; padding: 1rem; }
.mock-question-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.8rem; }
.mock-question-head h3 { margin: 0; font-size: 1rem; }
.mock-code .code-block { margin: 0.75rem 0; }
.mock-output { margin: -0.35rem 0 0.85rem; }
.mock-output-label { display: block; margin-bottom: 0.25rem; color: var(--muted); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; }
.mock-output pre { margin: 0; padding: 0.75rem; border: 1px solid var(--border); border-radius: 9px; background: var(--code-bg); overflow-x: auto; font: 0.86rem/1.45 var(--mono); }
.mock-options { display: grid; gap: 0.55rem; margin-top: 0.8rem; }
.mock-option { display: flex; align-items: flex-start; gap: 0.7rem; padding: 0.7rem 0.75rem; border: 1px solid var(--border); border-radius: 10px; background: var(--card); cursor: pointer; }
.mock-option:hover { border-color: var(--accent); }
.mock-option:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.mock-option input { flex: none; margin-top: 0.3rem; accent-color: var(--accent); }
.mock-option > span { min-width: 0; }
.mock-option .quiz-code-block { display: block; white-space: pre-wrap; font-family: var(--mono); }
.mock-answer-input { width: 100%; margin-top: 0.8rem; font: inherit; }
.mock-gap-code { margin: 0.8rem 0; padding: 0.9rem; overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; background: var(--code-bg); white-space: pre; font: 0.9rem/1.6 var(--mono); }
.mock-gap-slot { display: inline-block; min-width: 1.55rem; padding: 0.05rem 0.3rem; border: 1px solid var(--accent); border-radius: 5px; background: var(--accent-soft); color: var(--accent); text-align: center; font-weight: 850; line-height: 1.25; }
.mock-gaps { display: grid; gap: 0.65rem; margin-top: 0.8rem; }
.mock-gap-field { display: grid; gap: 0.35rem; padding: 0.65rem 0.75rem; border: 1px solid var(--border); border-radius: 9px; background: var(--card); }
.mock-gap-label { font-weight: 750; }
.mock-gap-field input { width: 100%; font: inherit; }
.mock-submit-card { margin-top: 1.2rem; padding: 1rem; }
.mock-result-hero { position: relative; overflow: hidden; padding: 1.2rem; margin-bottom: 1rem; background: linear-gradient(135deg, var(--card), var(--accent-soft)); }
.mock-result-hero h2 { margin: 0.2rem 0; font-size: 1.65rem; }
.mock-result-percent { position: absolute; top: 1rem; right: 1rem; font-size: 2rem; font-weight: 900; color: var(--accent); }
.mock-review-card { margin: 0.9rem 0; border-left: 5px solid var(--border); }
.mock-review-card.correct { border-left-color: var(--ok); }
.mock-review-card.wrong { border-left-color: var(--bad); }
.mock-review-points { flex: none; font-weight: 850; font-variant-numeric: tabular-nums; }
.mock-review-card.correct .mock-review-points, .mock-review-card.correct .mock-verdict { color: var(--ok); }
.mock-review-card.wrong .mock-review-points, .mock-review-card.wrong .mock-verdict { color: var(--bad); }
.mock-verdict { margin: 0.8rem 0 0.5rem; }
.mock-answer-review { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; }
.mock-answer-review > div { min-width: 0; }
.mock-answer-review > div > span { color: var(--muted); font-size: 0.7rem; font-weight: 750; text-transform: uppercase; }
.mock-review-value { min-height: 2.5rem; margin-top: 0.2rem; padding: 0.55rem; border-radius: 8px; background: var(--code-bg); overflow-wrap: anywhere; }
.mock-review-value .quiz-code-block { display: block; white-space: pre-wrap; font-family: var(--mono); }
.mock-explanation { margin-top: 0.75rem; padding: 0.7rem; border-radius: 8px; background: var(--code-bg); }
.mock-explanation p { margin: 0; }
.mock-results-actions { display: flex; gap: 0.7rem; margin-top: 1rem; }
.mock-results-actions .btn { flex: 1; }

@media (max-width: 480px) {
  .mock-overview-stats { grid-template-columns: 1fr 1fr 1fr; gap: 0.35rem; }
  .mock-overview-stat { padding-inline: 0.2rem; }
  .mock-answer-review { grid-template-columns: 1fr; }
  .mock-result-percent { position: static; font-size: 1.35rem; }
}

/* ---------- login ---------- */

.login-hero { text-align: center; margin-top: 7vh; }
.login-logo {
  width: 68px;
  height: 68px;
  margin: 0 auto 0.6rem;
  background: var(--brand);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.1rem;
  box-shadow: var(--shadow);
}
.login-hero .sub { color: var(--muted); margin: 0; }
#view-login .card { max-width: 420px; margin: 1.2rem auto; }
#login-form label:first-of-type { margin-top: 0; }
#login-form .btn { margin-top: 1rem; }
.auth-error-card { max-width: 520px; margin: 10vh auto; }

/* ---------- home: quick actions ---------- */

.home-quick { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin: 0.8rem 0 1rem; }
.home-greeting { margin: 0.15rem 0 0.65rem; font-size: 1.2rem; font-weight: 850; letter-spacing: -0.02em; }
.quick-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font: inherit;
  font-weight: 800;
  font-size: 0.92rem;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem 0.5rem;
  box-shadow: var(--shadow);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.quick-card:active { border-color: var(--brand); }

/* ---------- home: week list ---------- */

#week-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}
#week-list > .card { grid-column: 1 / -1; margin: 0; }
.week-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  width: 100%;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  margin: 0.7rem 0;
  box-shadow: var(--shadow);
  cursor: pointer;
  color: var(--text);
  font: inherit;
}
.week-card .wk-title { font-weight: 700; }
.week-card .wk-stats { color: var(--muted); font-size: 0.88rem; margin-top: 0.15rem; }
.week-card .chev { color: var(--muted); font-size: 1.3rem; }
#week-list .week-card { margin: 0; }
#week-list .home-week-card {
  min-height: 122px;
  align-items: stretch;
  padding: 0.82rem 0.75rem 0.72rem;
}
.home-week-card > div:first-child { display: flex; min-width: 0; flex-direction: column; }
.home-week-card .wk-title { font-size: 0.95rem; }
.home-week-card .wk-stats { font-size: 0.76rem; line-height: 1.35; white-space: normal; }
.home-week-card .progressbar { margin-top: auto; }
.home-week-card .chev { align-self: flex-start; margin-top: -0.1rem; }
#week-list .mock-home-card {
  grid-column: 1 / -1;
  min-height: 88px;
  margin: 0.15rem 0;
  padding: 0.9rem 1rem;
}
#week-list .home-module-locked {
  cursor: not-allowed;
  color: var(--muted);
  background: var(--code-bg);
  box-shadow: none;
  opacity: 0.68;
}
#week-list .home-module-locked .mock-home-icon {
  color: var(--muted);
  background: var(--border);
  filter: grayscale(1);
}
#week-list .home-module-locked .progressbar { opacity: 0.65; }

@media (max-width: 360px) {
  #week-list { gap: 0.5rem; }
  #week-list .home-week-card { min-height: 116px; padding-inline: 0.62rem; gap: 0.35rem; }
  .home-week-card .wk-stats { font-size: 0.7rem; }
  .home-week-card .chev { font-size: 1rem; }
}

.progressbar {
  height: 7px;
  border-radius: 999px;
  background: var(--border);
  margin-top: 0.5rem;
  overflow: hidden;
}
.progressbar > div { height: 100%; background: var(--brand); border-radius: 999px; }

/* ---------- week: exercise list ---------- */

.ex-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  margin: 0.55rem 0;
  cursor: pointer;
  color: var(--text);
  font: inherit;
}
.ex-row .status { font-size: 1.05rem; width: 1.4rem; text-align: center; flex: none; }
.ex-row .status.done { color: var(--ok); }
.ex-row .status.tried { color: #d97706; }
.ex-row .status.open { color: var(--muted); }
.ex-row .ex-name { flex: 1; font-weight: 600; }
.ex-row .ex-type {
  flex: none;
  background: var(--brand);
  color: var(--brand-ink);
  font-size: 0.7rem;
  font-weight: 800;
  border-radius: 999px;
  padding: 0.12rem 0.55rem;
}
.ex-row .ex-pts { color: var(--muted); font-size: 0.85rem; flex: none; }
.ex-row .ex-boss {
  flex: none;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  border-radius: 999px;
  padding: 0.12rem 0.55rem;
}

.week-complete {
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 800;
  border-radius: 12px;
  padding: 0.7rem 1rem;
  margin: 0.7rem 0;
  text-align: center;
}

/* ---------- exercise view ---------- */

.ex-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.6rem; }
.ex-head-actions { display: flex; align-items: center; gap: 0.45rem; flex: none; }
.exercise-switch {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
}
.exercise-switch:hover, .exercise-switch:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}
.points-pill {
  flex: none;
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 800;
  font-size: 0.85rem;
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
}
.done-banner {
  background: var(--ok-soft);
  color: var(--ok);
  font-weight: 700;
  border-radius: 10px;
  padding: 0.5rem 0.9rem;
  margin: 0.6rem 0;
}

/* Code must show exactly what you type: no font ligatures turning >= or != into single glyphs. */
.CodeMirror, .code-block, code, .quiz-blank-row input, .result-error,
.ck-label, .ck-detail, .editor-toolbar button {
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0, "dlig" 0;
}

/* Math notation ($...$ in exercise texts) */
.math {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-size: 1.08em;
  white-space: nowrap;
}
.math sup, .math sub { font-size: 0.72em; font-style: italic; }
.math-frac { display: inline-grid; grid-template-rows: auto auto; vertical-align: middle; text-align: center; line-height: 1; margin: 0 0.12em; }
.math-frac span:first-child { border-bottom: 1px solid currentColor; padding: 0 0.14em 0.08em; }
.math-frac span:last-child { padding: 0.08em 0.14em 0; }
.math-radicand { display: inline-block; border-top: 1px solid currentColor; padding: 0 0.12em; margin-left: 0.03em; }

.prose p { margin: 0.5rem 0; }
.prose ul { margin: 0.4rem 0; padding-left: 1.3rem; }
.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  border-radius: 5px;
  padding: 0.1em 0.35em;
}
.code-block {
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  overflow-x: auto;
  white-space: pre;
  margin: 0.6rem 0;
}
.prose .code-block code { background: none; padding: 0; }

/* editor */

.editor-wrap { padding: 0; overflow: hidden; }
.editor-toolbar {
  display: flex;
  gap: 0.3rem;
  padding: 0.45rem;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.editor-toolbar button {
  flex: none;
  font-family: var(--mono);
  font-size: 0.9rem;
  background: var(--code-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.editor-toolbar button:active { background: var(--brand); color: var(--brand-ink); }
.editor-toolbar .tb-right { margin-left: auto; color: var(--muted); }

.CodeMirror {
  height: auto;
  min-height: 10rem;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  background: var(--card);
  color: var(--text);
}
/* iOS zooms the whole page when an editable area is smaller than 16px —
   on touch devices the editor must be 16px so focusing it never zooms */
@media (pointer: coarse) {
  .CodeMirror { font-size: 16px; }
  .exercise-switch { width: 2.2rem; height: 2.2rem; }
}
.CodeMirror-gutters { background: var(--code-bg); border-right: 1px solid var(--border); }
.CodeMirror-linenumber { color: var(--muted); }
.CodeMirror-cursor { border-left: 2px solid var(--accent); }
@media (prefers-color-scheme: dark) {
  .cm-s-default .cm-keyword { color: #c792ea; }
  .cm-s-default .cm-number { color: #f78c6c; }
  .cm-s-default .cm-string { color: #c3e88d; }
  .cm-s-default .cm-comment { color: #8a8877; }
  .cm-s-default .cm-def { color: #82aaff; }
  .cm-s-default .cm-builtin { color: #ffcb6b; }
  .cm-s-default .cm-operator { color: #89ddff; }
  .CodeMirror-selected { background: #3b382e !important; }
}

.run-row { margin-top: 0.9rem; display: flex; gap: 0.6rem; }
#btn-run-only { flex: 1; }
#btn-run { flex: 2; }
.py-status { font-size: 0.85rem; min-height: 1.2rem; margin: 0.4rem 0.2rem; }

#run-output { margin-top: 0.4rem; }
.run-nudge { color: var(--muted); font-size: 0.85rem; font-style: italic; margin: 0.4rem 0.2rem; }
.plot-output { margin: 0.65rem 0; }
.plot-output p { margin: 0 0 0.3rem; }
.plot-output img { display: block; max-width: 100%; height: auto; background: #fff; border: 1px solid var(--border); border-radius: 10px; }

/* results */

#result-banner { font-weight: 700; border-radius: 10px; padding: 0.6rem 0.9rem; margin: 0.7rem 0; }
#result-banner.all-pass { background: var(--ok-soft); color: var(--ok); }
#result-banner.some-fail { background: var(--bad-soft); color: var(--bad); }
.result-error {
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--bad-soft);
  color: var(--bad);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  white-space: pre-wrap;
  overflow-x: auto;
}
.check-row {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  margin: 0.45rem 0;
  font-size: 0.9rem;
}
.check-row .ck-head { display: flex; align-items: center; gap: 0.5rem; }
.check-row .ck-icon { flex: none; font-weight: 700; }
.check-row.pass .ck-icon { color: var(--ok); }
.check-row.fail .ck-icon { color: var(--bad); }
.check-row .ck-label { font-family: var(--mono); font-size: 0.85rem; overflow-x: auto; white-space: nowrap; }
.check-row .ck-detail { color: var(--muted); font-family: var(--mono); font-size: 0.82rem; margin-top: 0.3rem; white-space: pre-wrap; }
.check-row .ck-detail b { color: var(--text); font-weight: 600; }

/* ---------- quiz ---------- */

.quiz-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0.8rem 0.1rem 0;
  font-size: 0.9rem;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
}
.streak { color: #d97706; font-weight: 800; }

.quiz-card { margin-top: 0.6rem; }

.quiz-options { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.8rem; }
.quiz-option {
  text-align: left;
  font: inherit;
  font-size: 0.98rem;
  background: var(--bg);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.quiz-option code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--code-bg);
  border-radius: 5px;
  padding: 0.1em 0.35em;
}
.quiz-code-block {
  display: block;
  width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  white-space: pre;
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.45;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
}
.quiz-option .quiz-code-block code {
  font: inherit;
  color: inherit;
  background: none;
  border-radius: 0;
  padding: 0;
}
.quiz-option:not(.locked):active { border-color: var(--brand); }
.quiz-option.correct { border-color: var(--ok); background: var(--ok-soft); font-weight: 700; }
.quiz-option.wrong { border-color: var(--bad); background: var(--bad-soft); animation: shake 0.3s; }
.quiz-option.locked { cursor: default; }
.quiz-option.reveal { border-color: var(--ok); border-style: dashed; } /* the right one, shown after a wrong pick */

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.quiz-blank-row { display: flex; gap: 0.5rem; margin-top: 0.8rem; }
.quiz-gap-instruction {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}
.quiz-gap-slot {
  display: inline-block;
  min-width: 3.6rem;
  margin: 0 0.08rem;
  padding: 0 0.18rem 0.08rem;
  border-bottom: 2px solid var(--brand);
  border-radius: 3px 3px 0 0;
  background: color-mix(in srgb, var(--brand) 12%, transparent);
  color: transparent;
  font: inherit;
  font-weight: 800;
}
.quiz-blank-row input {
  flex: 1;
  font-family: var(--mono);
  font-size: 1rem;
  padding: 0.6rem 0.8rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  outline: none;
  min-width: 0;
}
.quiz-blank-row .btn { flex: none; }
.quiz-blank-row input[readonly] { opacity: 0.65; }
.quiz-feedback { border-radius: 10px; padding: 0.6rem 0.9rem; margin-top: 0.8rem; font-size: 0.95rem; }
.quiz-feedback.good { background: var(--ok-soft); color: var(--ok); }
.quiz-feedback.bad { background: var(--bad-soft); color: var(--bad); font-weight: 700; }

.quiz-summary { text-align: center; padding: 1.6rem 1.1rem; }
.quiz-trophy { font-size: 3rem; line-height: 1; margin-bottom: 0.4rem; }
.quiz-summary h3 { margin: 0.3rem 0; }
.quiz-summary-actions {
  display: grid;
  gap: 0.5rem;
  max-width: 28rem;
  margin: 1rem auto 0;
}

/* ---------- confetti ---------- */

.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 99; overflow: hidden; }
.confetti i {
  position: absolute;
  top: -3vh;
  width: 9px;
  height: 15px;
  border-radius: 2px;
  opacity: 0.95;
  animation: confetti-fall 2s ease-in forwards;
}
@keyframes confetti-fall {
  to { transform: translateY(108vh) rotate(720deg); }
}

/* ---------- hint + nav ---------- */

#hint-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  margin: 0.8rem 0;
}
#hint-box summary { cursor: pointer; font-weight: 600; }
#hint-box p { margin: 0.5rem 0 0.2rem; }

.ex-nav { display: flex; justify-content: space-between; gap: 0.7rem; margin: 1.2rem 0; }
.ex-nav .btn { flex: 1; }
.report-trigger { display: inline-flex; align-items: center; gap: 0.28rem; padding: 0.28rem 0.42rem; border: 0; border-radius: 7px; background: transparent; color: var(--muted); font: inherit; font-size: 0.76rem; font-weight: 700; cursor: pointer; }
.report-trigger:hover, .report-trigger:focus-visible { background: var(--accent-soft); color: var(--accent); }
.report-trigger.reported { color: var(--ok); }
.quiz-progress .report-trigger { margin-left: auto; }

.report-dialog { width: min(92vw, 540px); max-height: 90vh; padding: 0; overflow: hidden; border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border)); border-radius: 18px; background: var(--card); color: var(--text); box-shadow: 0 28px 80px rgba(0, 0, 0, 0.38); }
.report-dialog::backdrop { background: rgba(16, 18, 22, 0.62); backdrop-filter: blur(2px); }
.report-sheet { max-height: 90vh; padding: 1.15rem; overflow-y: auto; }
.report-head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 0.7rem; margin-bottom: 1rem; }
.report-head-icon { display: grid; place-items: center; width: 2.55rem; height: 2.55rem; border-radius: 12px; background: var(--accent-soft); color: var(--accent); font-size: 1.25rem; }
.report-eyebrow { display: block; margin-bottom: 0.05rem; color: var(--muted); font-size: 0.67rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.report-head h2 { margin: 0; font-size: 1.18rem; line-height: 1.2; }
.report-close { display: grid; place-items: center; width: 2rem; height: 2rem; padding: 0; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-size: 1.4rem; cursor: pointer; }
.report-close:hover, .report-close:focus-visible { background: var(--bg); color: var(--text); }
.report-target-card { display: grid; gap: 0.12rem; margin-bottom: 0.9rem; padding: 0.65rem 0.75rem; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); }
.report-target-card span { color: var(--muted); font-size: 0.66rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }
.report-target-card strong { overflow-wrap: anywhere; font-size: 0.86rem; }
.report-race-note { display: flex; align-items: center; gap: 0.42rem; margin: 0 0 0.9rem; padding: 0.58rem 0.7rem; border: 1px solid color-mix(in srgb, var(--brand) 42%, var(--border)); border-radius: 9px; background: color-mix(in srgb, var(--brand) 15%, var(--card)); font-size: 0.82rem; font-weight: 750; }
.report-field-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.7rem; margin-bottom: 0.38rem; }
.report-field-head label { font-size: 0.88rem; font-weight: 750; }
.report-counter { padding: 0.12rem 0.4rem; border-radius: 999px; background: var(--bg); color: var(--muted); font-size: 0.7rem; font-variant-numeric: tabular-nums; }
.report-sheet textarea { width: 100%; min-height: 8.5rem; resize: vertical; padding: 0.72rem 0.78rem; border-color: var(--border); border-radius: 10px; background: var(--bg); line-height: 1.45; }
.report-sheet textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 17%, transparent); outline: 0; }
.report-sheet textarea::placeholder { color: color-mix(in srgb, var(--muted) 75%, transparent); }
.report-anonymous { display: flex; align-items: center; gap: 0.55rem; width: fit-content; margin-top: 0.7rem; padding: 0.38rem 0.48rem; border-radius: 8px; color: var(--text); font-size: 0.82rem; font-weight: 650; cursor: pointer; }
.report-anonymous:hover { background: var(--bg); }
.report-anonymous input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--accent); }
.report-form-actions { display: flex; justify-content: flex-end; gap: 0.55rem; margin: 1rem -1.15rem -1.15rem; padding: 0.85rem 1.15rem; border-top: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 55%, var(--card)); }
.report-form-actions .btn { min-width: 7.5rem; }

@media (max-width: 520px) {
  .report-dialog { width: calc(100vw - 1rem); border-radius: 15px; }
  .report-sheet { padding: 1rem; }
  .report-form-actions { margin: 1rem -1rem -1rem; padding: 0.8rem 1rem; }
  .report-form-actions .btn { flex: 1; min-width: 0; }
}

/* ---------- my progress: tiles + badges ---------- */

.points-badge { border: none; cursor: pointer; font: inherit; }

.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin: 0.9rem 0; }
.tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
  box-shadow: var(--shadow);
}
.tile .n { font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.tile .n .sub { font-size: 0.95rem; color: var(--muted); font-weight: 600; }
.tile .l {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin-top: 0.1rem;
}
.streak-tile { grid-column: 1 / -1; padding: 0; overflow: hidden; }
.profile-strip { grid-column: 1 / -1; display: flex; align-items: center; gap: 0.55rem; padding: 0.55rem 0.7rem; border: 1px solid var(--border); border-radius: 12px; background: color-mix(in srgb, var(--card) 90%, var(--accent-soft)); }
.profile-label { font-size: 0.72rem; font-weight: 850; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; }
.profile-strip input { min-width: 0; flex: 1; height: 2rem; margin: 0; padding: 0.35rem 0.55rem; font: inherit; font-size: 0.86rem; border: 1px solid var(--border); border-radius: 7px; background: var(--card); color: var(--text); }
.streak-showcase { display: grid; grid-template-columns: minmax(160px, 0.75fr) minmax(165px, 0.78fr) minmax(300px, 1.35fr); align-items: stretch; }
.streak-summary { display: flex; align-items: center; gap: 0.7rem; padding: 1.15rem 1.2rem; color: #fff; background: linear-gradient(135deg, #155c36, #188647); }
.streak-flame { font-size: 2.3rem; line-height: 1; filter: drop-shadow(0 3px 4px rgba(0,0,0,0.2)); }
.streak-current { font-size: 2.1rem; line-height: 0.95; font-weight: 900; font-variant-numeric: tabular-nums; }
.streak-label { margin-top: 0.15rem; font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.055em; }
.streak-best { margin-top: 0.5rem; font-size: 0.7rem; color: rgba(255,255,255,0.8); font-weight: 650; }
.daily-points-panel { padding: 0.7rem 0.8rem 0.4rem; background: linear-gradient(155deg, color-mix(in srgb, var(--accent-soft) 45%, var(--card)), var(--card)); border-right: 1px solid var(--border); }
.daily-points-heading { font-size: 0.7rem; font-weight: 850; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.daily-points-bars { height: 70px; display: flex; align-items: end; justify-content: space-between; gap: 4px; margin-top: 0.25rem; }
.daily-point-column { display: flex; min-width: 0; flex: 1; height: 100%; flex-direction: column; align-items: center; justify-content: end; gap: 2px; }
.daily-point-value { min-height: 0.8rem; font-size: 0.61rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.daily-point-bar { display: block; width: min(16px, 100%); border-radius: 6px 6px 2px 2px; background: color-mix(in srgb, var(--brand) 62%, var(--border)); }
.daily-point-column.today .daily-point-bar { background: linear-gradient(180deg, #ffce24, var(--brand)); }
.daily-point-day { color: var(--muted); font-size: 0.58rem; font-weight: 800; }
.streak-calendar-panel { padding: 0.75rem 1rem 0.68rem; background: linear-gradient(135deg, color-mix(in srgb, var(--card) 94%, var(--ok)) , var(--card)); }
.streak-calendar-heading { margin-bottom: 0.45rem; font-size: 0.78rem; font-weight: 850; }
.streak-weekdays, .streak-calendar { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.streak-weekdays { margin-bottom: 0.18rem; }
.streak-weekdays span { text-align: center; color: var(--muted); font-size: 0.57rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.035em; }
.streak-calendar-day { display: grid; place-items: center; aspect-ratio: 1.38; min-height: 24px; border: 1px solid color-mix(in srgb, var(--border) 80%, transparent); border-radius: 6px; color: var(--muted); font-size: 0.68rem; font-weight: 750; font-variant-numeric: tabular-nums; transition: transform 140ms ease, box-shadow 140ms ease; }
.streak-calendar-day.done { border-color: #168147; color: #fff; background: linear-gradient(135deg, #22a65a, var(--ok)); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18); }
.streak-calendar-day.today { outline: 2px solid var(--brand); outline-offset: 1px; }
.streak-calendar-day.future, .streak-calendar-day.outside-month { opacity: 0.44; }
.streak-calendar-day.done.outside-month { opacity: 0.8; }
.streak-calendar-day:hover { transform: translateY(-1px); box-shadow: 0 3px 8px rgba(0,0,0,0.15); }
@media (max-width: 720px) { .streak-showcase { grid-template-columns: 1fr 1fr; } .streak-calendar-panel { grid-column: 1 / -1; } }
@media (max-width: 420px) { .streak-showcase { grid-template-columns: 1fr; } .streak-summary { padding: 0.9rem 1rem; } .daily-points-panel { border-right: 0; border-bottom: 1px solid var(--border); } .streak-calendar-panel { padding: 0.8rem 0.9rem; } .profile-strip { flex-wrap: wrap; } .profile-strip input { flex-basis: 140px; } }
.me-week { margin: 0.55rem 0; }
.me-week .wk-line { display: flex; justify-content: space-between; font-size: 0.88rem; }

#me-weeks { padding: 1rem; }
.course-progress-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 0.35rem 1rem; font-weight: 800; }
.course-progress-total { color: var(--muted); font-size: 0.78rem; font-weight: 650; }
.course-progress-rail {
  display: flex;
  margin-top: 0.85rem;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--code-bg);
  overflow-x: auto;
  overflow-y: hidden;
}
.course-progress-module {
  flex: 1 0 54px;
  min-width: 54px;
  padding: 0.38rem 0.28rem 0.42rem;
  border-left: 2px solid var(--card);
}
.course-progress-module:first-child { border-left: 0; }
.course-progress-module.locked { background: color-mix(in srgb, var(--code-bg) 78%, var(--border)); }
.course-module-label {
  display: flex;
  min-height: 1rem;
  align-items: center;
  justify-content: center;
  gap: 0.18rem;
  color: var(--text);
  font-size: 0.66rem;
  font-weight: 850;
  line-height: 1;
}
.course-progress-module.locked .course-module-label { color: var(--muted); }
.course-module-lock { font-size: 0.56rem; filter: grayscale(1); }
.course-module-track {
  display: flex;
  gap: 1px;
  height: 11px;
  margin-top: 0.32rem;
  overflow: hidden;
  border-radius: 999px;
  background: #d8dce2;
}
.course-progress-module.locked .course-module-track { opacity: 0.62; }
.course-progress-module.fully-done .course-module-track { gap: 0; }
.course-progress-segment { flex: 1 1 2px; min-width: 1px; border-radius: 1px; background: #d8dce2; }
.course-progress-segment.done { background: linear-gradient(180deg, #22a95f, var(--ok)); }
.course-progress-segment.tried { background: linear-gradient(180deg, #f5b942, #d97706); }
.course-progress-segment.planned {
  background: repeating-linear-gradient(135deg, #d8dce2 0 4px, #c7ccd3 4px 8px);
}
.course-progress-unavailable { padding: 0.85rem; color: var(--muted); font-size: 0.78rem; }
.course-progress-legend { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 0.65rem; color: var(--muted); font-size: 0.72rem; }
.course-progress-legend span { display: inline-flex; align-items: center; gap: 0.3rem; }
.course-progress-legend i { width: 0.65rem; height: 0.65rem; border-radius: 3px; background: #d8dce2; }
.course-progress-legend i.done { background: var(--ok); }
.course-progress-legend i.tried { background: #d97706; }
.course-progress-legend i.locked { background: repeating-linear-gradient(135deg, #d8dce2 0 3px, #aeb4bd 3px 6px); }

#me-badges-head { margin-top: 1.4rem; }
.badge-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.badge-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.65rem 0.4rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.badge-card[title] { cursor: help; }
.badge-card:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }
.badge-tip { display: none; position: absolute; z-index: 3; left: 50%; bottom: calc(100% + 0.4rem); width: min(220px, 76vw); transform: translateX(-50%); padding: 0.5rem 0.6rem; border: 1px solid var(--brand); border-radius: 8px; background: var(--card); color: var(--text); box-shadow: 0 5px 18px rgba(0,0,0,0.2); font-size: 0.68rem; font-style: normal; line-height: 1.3; text-align: left; }
.badge-card.tip-open { z-index: 6; }
.badge-card.tip-open .badge-tip { display: block; background: var(--card); opacity: 1; }
/* Keep tap popovers inside the three-column badge grid on narrow phones. */
.badge-card:nth-child(3n + 1) .badge-tip { left: 0; transform: none; }
.badge-card:nth-child(3n) .badge-tip { right: 0; left: auto; transform: none; }
.badge-card .be { font-size: 1.7rem; line-height: 1.2; position: relative; display: inline-block; }
.badge-card .be .medal { position: absolute; right: -0.9rem; bottom: -0.15rem; font-size: 0.95rem; }
.badge-card .be .badge-check { position: absolute; right: -0.7rem; bottom: -0.1rem; display: grid; place-items: center; width: 1rem; height: 1rem; border-radius: 50%; background: var(--ok); color: #fff; font-size: 0.68rem; font-weight: 900; }
.badge-card .bt { font-size: 0.72rem; font-weight: 800; margin-top: 0.2rem; }
.badge-card .bc { font-size: 0.64rem; color: var(--muted); margin-top: 0.1rem; font-variant-numeric: tabular-nums; }
.badge-card.locked { filter: grayscale(1); box-shadow: none; }
.badge-card.locked > .be, .badge-card.locked > .bt, .badge-card.locked > .bc { opacity: 0.45; }
.badge-card.single-badge.earned { border-color: var(--ok); box-shadow: 0 0 0 1px rgba(21, 128, 61, 0.35); }
.badge-card.single-badge.earned .bc { color: var(--ok); font-weight: 800; }

/* leveled badges: progress toward the next tier is always visible */
.badge-card .bbar {
  height: 5px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
  margin: 0.35rem 0.4rem 0;
}
.badge-card .bbar i { display: block; height: 100%; background: var(--brand); border-radius: 999px; }
.badge-card.lvl-0 { box-shadow: none; }
.badge-card.lvl-0 .be { filter: grayscale(1); opacity: 0.55; }
.badge-card.lvl-1 { border-color: #c08552; }
.badge-card.lvl-2 { border-color: #9aa4b0; }
.badge-card.lvl-3 { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand); }
.badge-card.lvl-3 .bbar i { background: var(--ok); }
.badge-card.lvl-4 {
  border-color: #7c3aed;
  background: linear-gradient(145deg, var(--card), color-mix(in srgb, #7c3aed 12%, var(--card)));
  box-shadow: 0 0 0 2px #7c3aed, 0 6px 18px rgba(124, 58, 237, 0.2);
}
.badge-card.lvl-4 .bt { color: #6d28d9; }
.badge-card.lvl-4 .bbar i { background: linear-gradient(90deg, #7c3aed, #f59e0b); }
@media (prefers-color-scheme: dark) {
  .badge-card.lvl-4 .bt { color: #c4b5fd; }
}

/* toast for freshly earned badges */
.toast {
  position: fixed;
  left: 50%;
  bottom: max(1.2rem, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: #111;
  color: var(--brand);
  font-weight: 800;
  font-size: 0.92rem;
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  z-index: 90;
  white-space: normal;
  text-align: center;
  max-width: calc(100vw - 2rem);
  animation: toast-in 0.25s ease-out;
}
@keyframes toast-in {
  from { transform: translateX(-50%) translateY(1.5rem); opacity: 0; }
  to { transform: translateX(-50%) translateY(0); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .confetti { display: none; }
}

/* ---------- leagues ---------- */

#league-area { margin-top: 1.6rem; }
#league-area h3 { margin-bottom: 0.2rem; }
.league-sub { color: var(--muted); font-size: 0.85rem; margin-top: 0; }
.league-card { margin: 0.7rem 0; }
.league-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap; }
.league-head b { font-size: 1.02rem; }
.league-code {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.82rem;
  background: var(--code-bg);
  border: 1px dashed var(--border);
  border-radius: 7px;
  padding: 0.12rem 0.5rem;
  cursor: pointer;
  color: var(--text);
}
.league-table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 0.9rem; margin-top: 0.5rem; }
.league-table th, .league-table td { padding: 0.32rem 0.35rem; border-bottom: 1px solid var(--border); }
.league-table th { color: var(--muted); font-size: 0.67rem; font-weight: 850; text-align: center; text-transform: uppercase; letter-spacing: 0.035em; white-space: nowrap; }
.league-table th.league-name { text-align: left; }
.league-sort { padding: 0; border: 0; background: transparent; color: inherit; font: inherit; cursor: pointer; }
.league-sort:hover, .league-sort.active { color: var(--brand); }
.league-table tr:last-child td { border-bottom: none; }
.league-table col.lr { width: 2rem; }
.league-table col.lrace { width: 3.5rem; }
.league-table col.lweek { width: 3.7rem; }
.league-table col.ltoday { width: 3.2rem; }
.league-table col.lbest-streak { width: 5.1rem; }
.league-table col.lp { width: 3.3rem; }
.league-table .lr { font-family: var(--mono); color: var(--muted); }
.league-table .lp { text-align: center; font-variant-numeric: tabular-nums; font-weight: 700; }
.league-table .league-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 750; }
.league-table .lweek, .league-table .ltoday, .league-table .lbest-streak { text-align: center; color: var(--muted); font-size: 0.78rem; font-variant-numeric: tabular-nums; }
.league-table .ltoday { color: var(--ok); font-weight: 750; }
.league-table .lbest-streak { color: #d97706; font-weight: 750; }
.league-table tr.me td { background: var(--accent-soft); font-weight: 800; }
.league-table .lrace { color: var(--muted); font-size: 0.8rem; text-align: center; white-space: nowrap; }
@media (max-width: 430px) {
  .league-table th, .league-table td { padding-inline: 0.18rem; }
  /* Keep game scores and daily streaks visible; rolling point columns move out first. */
  .league-table .lweek, .league-table .ltoday { display: none; }
  .league-table col.lweek, .league-table col.ltoday { display: none; }
  .league-table col.lr { width: 1.55rem; }
  .league-table col.lrace { width: 3rem; }
  .league-table col.lp { width: 2.9rem; }
}

/* time race */
.race-timer { font-weight: 800; font-variant-numeric: tabular-nums; font-size: 1.05rem; }
.race-timer.race-low { color: var(--bad); }
.race-score { font-weight: 700; color: var(--muted); font-variant-numeric: tabular-nums; }
.race-score.new-highscore { color: #a35b00; animation: highscore-pulse 900ms ease-in-out infinite alternate; }
@keyframes highscore-pulse { from { transform: scale(1); } to { transform: scale(1.035); text-shadow: 0 0 10px rgba(235, 160, 24, 0.48); } }
.league-actions { display: flex; gap: 0.6rem; margin-top: 0.6rem; }
.league-actions .btn { flex: 1; }
.league-leave {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.78rem;
  cursor: pointer;
  text-decoration: underline;
  padding: 0.2rem 0;
}

/* footer */

#page-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1rem 1rem 2rem;
}
.footer-link {
  appearance: none;
  display: inline;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}
.footer-policy-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.35rem;
}

/* ---------- privacy statement ---------- */

.privacy-dialog {
  width: min(720px, calc(100vw - 2rem));
  max-height: min(82vh, 780px);
  margin: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  color: var(--text);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.32);
}
.privacy-dialog::backdrop { background: rgba(0, 0, 0, 0.54); }
.privacy-sheet { display: flex; flex-direction: column; max-height: inherit; }
.privacy-head {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--border);
}
.privacy-head h2 { margin: 0; }
.privacy-close {
  flex: none;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  font-size: 1.65rem;
  line-height: 1;
  cursor: pointer;
}
.privacy-body {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1.1rem 1.15rem 1.4rem;
  font-size: 0.94rem;
}
.privacy-body > :first-child { margin-top: 0; }
.privacy-body h3 { margin: 1.35rem 0 0.35rem; font-size: 1.02rem; }
.privacy-body h4 { margin: 0.85rem 0 0.2rem; font-size: 0.93rem; }
.privacy-body p { margin: 0.35rem 0 0.75rem; }
.privacy-body ul { margin: 0.25rem 0 0.8rem; padding-left: 1.25rem; }
.privacy-body li + li { margin-top: 0.3rem; }
.privacy-body ol { margin: 0.25rem 0 0.8rem; padding-left: 1.35rem; }
.terms-actions {
  flex: 0 0 auto;
  padding: 0.9rem 1.15rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--card);
}
.terms-confirm { display: flex; align-items: flex-start; gap: 0.55rem; margin: 0; font-weight: 600; }
.terms-confirm input { flex: none; width: 1.1rem; height: 1.1rem; margin-top: 0.12rem; }
.terms-buttons { display: flex; justify-content: flex-end; gap: 0.6rem; margin-top: 0.8rem; }
.terms-actions .error { margin: 0.65rem 0 0; }
@media (max-width: 480px) {
  .privacy-dialog { width: calc(100vw - 1.1rem); max-height: 88vh; }
  .privacy-head, .privacy-body { padding-left: 0.9rem; padding-right: 0.9rem; }
  .terms-actions { padding-left: 0.9rem; padding-right: 0.9rem; }
  .terms-buttons { align-items: stretch; flex-direction: column-reverse; }
}