/* ===================================================================
   Empreinte Numérique — design tokens
   =================================================================== */

:root {
  color-scheme: light;

  /* type */
  --font-display: ui-serif, Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  /* chrome */
  --bg: #f4f6f4;
  --surface: #ffffff;
  --surface-2: #eaf0ec;
  --ink: #10201b;
  --ink-2: #4b5f58;
  --muted: #7c8b84;
  --line: #dbe4de;
  --accent: #1d6f6b;
  --accent-ink: #ffffff;
  --accent-soft: #dceeec;

  /* status (fixed, reserved — from validated status scale) */
  --good: #0ca30c;
  --warn: #fab219;
  --crit: #d03b3b;

  /* categorical (validated default order — dataviz skill) */
  --cat-smartphone: #2a78d6;
  --cat-tablette: #eb6834;
  --cat-ordinateur: #1baf7a;
  --cat-objets: #eda100;
  --cat-consoleTv: #4a3aa7;
  --cat-streaming: #e87ba4;
  --cat-visio: #e34948;
  --cat-ia: #008300;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 32, 27, 0.06), 0 8px 24px -12px rgba(16, 32, 27, 0.18);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0b1512;
    --surface: #101e19;
    --surface-2: #16261f;
    --ink: #eaf3ef;
    --ink-2: #a9bcb4;
    --muted: #7f9189;
    --line: #22352d;
    --accent: #4fbdb5;
    --accent-ink: #06211e;
    --accent-soft: #16302c;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1512;
  --surface: #101e19;
  --surface-2: #16261f;
  --ink: #eaf3ef;
  --ink-2: #a9bcb4;
  --muted: #7f9189;
  --line: #22352d;
  --accent: #4fbdb5;
  --accent-ink: #06211e;
  --accent-soft: #16302c;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
}

body {
  padding-inline: 16px;
  padding-block: max(12px, env(safe-area-inset-top, 0px)) max(24px, env(safe-area-inset-bottom, 0px));
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; text-wrap: balance; margin: 0; }

img, svg { max-width: 100%; }

button { font-family: inherit; }

/* ---------------- topbar ---------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 720px;
  margin: 0 auto 8px;
  padding-block: 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}
.brand-mark { width: 26px; height: 26px; color: var(--accent); flex: none; }

.topbar-actions { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ---------------- layout / screens ---------------- */

main { max-width: 720px; margin: 0 auto; }

.screen { display: none; }
.screen.is-active { display: block; animation: fade-in .35s ease; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .screen.is-active { animation: none; }
}

/* ---------------- hero ---------------- */

.hero { padding-block: 24px 8px; text-align: left; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .75rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 10px;
}

.hero h1 { font-size: clamp(1.6rem, 5vw, 2.3rem); line-height: 1.15; margin-bottom: 14px; }
.hero h1 em { font-style: normal; color: var(--accent); }

.lead { max-width: 60ch; color: var(--ink-2); font-size: 1.02rem; }

.teaser-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-block: 22px;
}

.teaser-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 8px;
  text-align: center;
  color: var(--ink-2);
  font-size: .78rem;
}
.teaser-card svg { width: 30px; height: 30px; color: var(--accent); margin-bottom: 6px; }

.privacy-note { color: var(--muted); font-size: .82rem; margin-top: 14px; }

.context-badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: .8rem;
  padding: 6px 12px;
  border-radius: 999px;
  margin: 14px 0 0;
}

.identity-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin: 18px 0;
  box-shadow: var(--shadow);
}
.identity-intro { font-size: .86rem; color: var(--ink-2); margin: 0 0 16px; }
.identity-fields { display: flex; flex-direction: column; gap: 14px; }
.identity-error { color: var(--crit); font-size: .84rem; margin: 14px 0 0; font-weight: 600; }

.login-card {
  max-width: 380px;
  margin: 16px auto 0;
  text-align: center;
  padding-block: 32px;
}
.login-icon { width: 40px; height: 40px; color: var(--accent); margin-bottom: 14px; }
.login-intro { color: var(--ink-2); font-size: .92rem; margin: 0 0 20px; }
.login-card form { display: flex; flex-direction: column; gap: 16px; text-align: left; }
.login-card .field { align-items: stretch; }
.login-card .btn { align-self: center; }

.field input[type="text"] {
  font-family: inherit;
  font-size: .95rem;
  font-weight: 500;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}
.field input[type="text"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------------- buttons ---------------- */

.btn {
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 11px 20px;
  cursor: pointer;
  font-size: .95rem;
  transition: transform .12s ease, background .15s ease;
}
.btn:active { transform: scale(.98); }

.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: color-mix(in oklab, var(--accent), black 10%); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-lg { padding: 14px 26px; font-size: 1.02rem; }
.btn-sm { padding: 7px 14px; font-size: .82rem; }

.btn:focus-visible, .icon-btn:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------------- wizard ---------------- */

.wizard { padding-block: 20px 8px; }

.progress-track {
  height: 6px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 16.66%;
  background: var(--accent);
  border-radius: 999px;
  transition: width .3s ease;
}

.step-label {
  color: var(--muted);
  font-size: .82rem;
  margin: 10px 0 18px;
  font-family: var(--font-mono);
}

fieldset.step {
  border: none;
  margin: 0;
  padding: 0;
  display: none;
}
fieldset.step.is-visible { display: block; animation: fade-in .3s ease; }

.step-title {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin-bottom: 6px;
}
.step-icon { font-size: 1.3rem; }

.step-hint { color: var(--ink-2); margin: 0 0 18px; font-size: .92rem; }

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-2);
  font-size: .92rem;
  margin: 10px 0 18px;
  cursor: pointer;
}
.check-row input { width: 18px; height: 18px; accent-color: var(--accent); }

.step-fields { display: flex; flex-direction: column; gap: 20px; }
.step-fields.is-disabled { opacity: .4; pointer-events: none; }

.sub-block + .sub-block { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.sub-block .step-hint { font-weight: 600; color: var(--ink); margin-bottom: 10px; }

.field { display: flex; flex-direction: column; gap: 8px; font-size: .92rem; font-weight: 600; }
.field span { color: var(--ink); }

.field output { font-family: var(--font-mono); color: var(--accent); font-weight: 700; font-variant-numeric: tabular-nums; }

.field select {
  font-family: inherit;
  font-size: .95rem;
  font-weight: 500;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--surface-2);
  accent-color: var(--accent);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: pointer;
}

.radio-field { border: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.radio-field legend { padding: 0; margin: 0 0 2px; }
.radio-row { display: flex; align-items: center; gap: 8px; font-weight: 500; font-size: .92rem; cursor: pointer; }
.radio-row input { width: 17px; height: 17px; accent-color: var(--accent); }

.wizard-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

/* ---------------- results ---------------- */

.results { padding-block: 22px 40px; display: flex; flex-direction: column; gap: 18px; }

.result-hero { text-align: center; padding-block: 10px 6px; }

.big-number {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(2.6rem, 12vw, 4rem);
  color: var(--accent);
  margin: 4px 0 6px;
  line-height: 1;
}
.big-number .unit {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-2);
  margin-left: 8px;
  vertical-align: middle;
}

.context-line { color: var(--ink-2); font-size: .95rem; max-width: 46ch; margin: 6px auto 0; }

/* le résumé de portée du tableau de bord tient sur une seule ligne
   plutôt que de se replier à 46ch comme les autres .context-line */
#scope-summary { max-width: none; margin-left: 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.card-title { font-size: 1.15rem; margin-bottom: 14px; }

/* gauge */

.gauge-card { text-align: center; }
.gauge { width: 100%; max-width: 320px; margin: 0 auto; display: block; overflow: visible; }
.gauge-band { }
.gauge-needle { stroke: var(--ink); stroke-width: 3; stroke-linecap: round; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.gauge-hub { fill: var(--ink); }

.gauge-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  color: var(--ink-2);
  font-size: .78rem;
  margin-top: 4px;
}
.legend-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--dot); display: inline-block; margin-right: 2px; }
.legend-dot + span { margin-right: 12px; }

.gauge-ref-label { color: var(--muted); font-size: .78rem; margin-top: 10px; }

/* breakdown bars */

.breakdown-chart { display: flex; flex-direction: column; gap: 14px; }

.bar-row { display: grid; grid-template-columns: 108px 1fr 64px; align-items: center; gap: 10px; }
.bar-row-label { font-size: .85rem; color: var(--ink-2); display: flex; align-items: center; gap: 7px; }
.bar-swatch { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.bar-track { position: relative; height: 10px; background: var(--surface-2); border-radius: 999px; }
.bar-fill { height: 100%; border-radius: 999px; transition: width .5s ease; }
.bar-ref-mark {
  position: absolute;
  top: -3px;
  bottom: -3px;
  width: 2px;
  margin-left: -1px;
  background: var(--ink-2);
  border-radius: 1px;
}
.bar-value { font-family: var(--font-mono); font-size: .8rem; text-align: right; color: var(--ink); font-variant-numeric: tabular-nums; }

.breakdown-legend {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .78rem;
  color: var(--muted);
  margin: 16px 0 0;
}
.ref-mark-swatch { width: 2px; height: 14px; background: var(--ink-2); border-radius: 1px; flex: none; }

/* equivalences */

.equiv-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.equiv-card-header .card-title { margin-bottom: 0; }

.view-toggle { display: inline-flex; background: var(--surface-2); border-radius: 999px; padding: 3px; gap: 2px; flex: none; }
.view-toggle-btn {
  border: none;
  background: transparent;
  color: var(--ink-2);
  font-size: .82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}
.view-toggle-btn:hover:not(.is-active) { color: var(--ink); }
.view-toggle-btn.is-active { background: var(--accent); color: var(--accent-ink); }

.equiv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.equiv-card { text-align: center; background: var(--surface-2); border-radius: 12px; padding: 16px 8px; }
.equiv-card svg { width: 32px; height: 32px; color: var(--accent); margin-bottom: 8px; }
.equiv-value { font-family: var(--font-mono); font-weight: 700; font-size: 1.2rem; margin: 0; font-variant-numeric: tabular-nums; }
.equiv-label { font-size: .78rem; color: var(--ink-2); margin: 2px 0 0; }
.equiv-sub { font-size: .72rem; color: var(--muted); margin: 6px 0 0; min-height: 2.4em; }

/* tips */

.tip-main { font-weight: 600; margin: 0 0 12px; }
.tip-list { margin: 0; padding-left: 20px; color: var(--ink-2); font-size: .92rem; display: flex; flex-direction: column; gap: 8px; }

/* transmission automatique du résultat */

.auto-share-note { text-align: center; font-size: .82rem; color: var(--muted); margin: -4px 0 0; min-height: 1.2em; }

/* actions (imprimer / recommencer sur les résultats, imprimer / exporter sur le tableau de bord) */

.results-actions { display: flex; gap: 10px; }
.results-actions .btn { flex: 1; }

.report-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.report-actions .btn { flex: 1; }

#stats-cards { display: flex; flex-direction: column; gap: 18px; }

/* identité imprimée : invisible à l'écran (déjà affichée via le badge de
   contexte sur l'écran d'accueil), visible seulement sur la version
   imprimée des résultats, où ce badge n'existe pas. */
.print-identity { display: none; }

/* dashboard */

.class-select-field { max-width: 320px; margin-top: 18px; }

.dashboard-updated { color: var(--muted); font-size: .78rem; font-family: var(--font-mono); margin-top: 4px; }

.dashboard-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 18px;
}
.dashboard-toolbar .dashboard-updated { margin-top: 0; }

/* onglets du tableau de bord */

.tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  margin: 20px 0 18px;
  border-bottom: 1px solid var(--line);
}
.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  margin-bottom: -1px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--ink-2);
  font-family: inherit;
  font-weight: 600;
  font-size: .9rem;
  white-space: nowrap;
  cursor: pointer;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.is-active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-panel { display: flex; flex-direction: column; gap: 18px; padding-block: 4px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat-tile { background: var(--surface-2); border-radius: 12px; padding: 16px 10px; text-align: center; }
.stat-tile-value { font-family: var(--font-mono); font-weight: 700; font-size: 1.4rem; margin: 0; font-variant-numeric: tabular-nums; color: var(--accent); }
.stat-tile-label { font-size: .74rem; color: var(--ink-2); margin: 4px 0 0; }

.dominant-callout {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface-2);
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 14px;
  font-size: .92rem;
}
.dominant-callout .swatch { width: 12px; height: 12px; border-radius: 4px; flex: none; }

.card-hint { font-size: .85rem; color: var(--ink-2); margin: -6px 0 16px; }

.policy-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .88rem;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface-2);
  margin: 0 0 18px;
}
.policy-status .status-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; background: var(--muted); }
.policy-status.is-multiple .status-dot { background: var(--good); }
.policy-status.is-single .status-dot { background: var(--crit); }
.policy-status.is-unlocked .status-dot { background: var(--warn); }

.card code {
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: .88em;
}

.manage-list { display: flex; flex-direction: column; gap: 8px; }
.manage-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--surface-2);
  font-size: .88rem;
  cursor: pointer;
}
.manage-row input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); flex: none; }
.manage-pseudo { flex: 1; font-weight: 600; }
.manage-total { font-family: var(--font-mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.manage-row.is-excluded { opacity: .5; }
.manage-row.is-excluded .manage-pseudo { text-decoration: line-through; }

/* générateur de lien de classe */

.link-gen-card { margin-bottom: 18px; }
.link-gen-row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.link-gen-row .field { flex: 1; min-width: 140px; }
.link-gen-output { display: flex; gap: 8px; margin-top: 14px; }
.link-gen-output input[type="text"] {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--ink);
}
.link-gen-copied { color: var(--good); font-size: .82rem; margin: 10px 0 0; font-weight: 600; }

/* changer le mot de passe */

#change-pw-form { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
#change-pw-form .field { width: 100%; max-width: 320px; }

.link-gen-qr {
  margin-top: 16px;
  display: inline-block;
  background: #fff;
  padding: 10px;
  border-radius: 10px;
  line-height: 0;
}
.link-gen-qr svg { display: block; width: 132px; height: 132px; }

/* mode projection (déclenché depuis le tableau de bord) */

#projection-btn { margin-top: 14px; }

.empty-state { text-align: center; color: var(--ink-2); padding-block: 40px; }
.empty-state svg { width: 40px; height: 40px; color: var(--muted); margin-bottom: 12px; }

.error-state { text-align: center; color: var(--crit); padding-block: 24px; font-size: .92rem; }

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* methodology */

.methodology {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: .88rem;
  color: var(--ink-2);
}
.methodology summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.methodology-body { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.methodology-body ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.methodology-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.methodology-body a:hover { text-decoration-thickness: 2px; }

/* footer */

.site-footer {
  max-width: 720px;
  margin: 0 auto;
  padding-top: 20px;
  color: var(--muted);
  font-size: .76rem;
  text-align: center;
}
.site-footer p + p { margin-top: 10px; }

.admin-link { color: var(--muted); text-decoration: none; }
.admin-link:hover { color: var(--accent); text-decoration: underline; }

/* ---------------- responsive ---------------- */

@media (max-width: 480px) {
  .teaser-row { gap: 8px; }
  .equiv-grid { grid-template-columns: 1fr; }
  .bar-row { grid-template-columns: 84px 1fr 56px; }
}

/* ---------------- mode projection ---------------- */
/* Volontairement compact (visé : ~80 % de la hauteur d'une mise en page
   "normale" à cartes) puisque cette vue est destinée à un projecteur —
   toute la page doit tenir à l'écran sans défilement. Les overrides
   ci-dessous ne touchent que .proj-body, pas les mêmes classes (.card,
   .equiv-*, .bar-row...) réutilisées ailleurs (tableau de bord, calculateur). */

.proj-body { font-size: 16px; }
.proj-main { max-width: 1100px; margin: 0 auto; padding-block: 14px 20px; }

.proj-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.proj-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.3rem, 3vw, 1.8rem); }
.proj-updated { color: var(--muted); font-size: .82rem; font-family: var(--font-mono); }
.proj-qr-toggle { flex: none; }

/* Surimpression QR code (mode projection) : un grand QR code au-dessus
   des statistiques projetées, pour que les élèves rejoignent la classe
   choisie sans interrompre l'affichage en cours. */
.qr-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 50;
}
.qr-overlay-card {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 40px 28px;
  max-width: 420px;
  width: 100%;
  text-align: center;
}
.qr-overlay-close { position: absolute; top: 10px; right: 10px; }
.qr-overlay-card .field { text-align: left; margin-bottom: 18px; }
.qr-overlay-code { min-height: 240px; display: flex; align-items: center; justify-content: center; }
.qr-overlay-code svg { width: 260px; height: 260px; display: block; }
.qr-overlay-url { font-family: var(--font-mono); font-size: .85rem; color: var(--ink-2); margin: 14px 0 0; word-break: break-all; }
.qr-overlay-hint { color: var(--muted); font-size: .9rem; }

.proj-stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 14px; }
.proj-stat-tile {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 10px;
  text-align: center;
}
.proj-stat-value { font-family: var(--font-mono); font-weight: 700; font-size: clamp(1.4rem, 4vw, 2rem); margin: 0; color: var(--accent); font-variant-numeric: tabular-nums; }
.proj-stat-label { font-size: .82rem; color: var(--ink-2); margin: 4px 0 0; }

.proj-panels { display: grid; grid-template-columns: 1fr 1.3fr; gap: 14px; align-items: start; margin-bottom: 14px; }
.proj-gauge-card { text-align: center; }
.proj-gauge { max-width: 260px; }

.proj-body .card { padding: 14px 16px; }
.proj-body .card-title { font-size: 1rem; margin-bottom: 8px; }
.proj-body .equiv-card-header { margin-bottom: 8px; }
.proj-body .view-toggle-btn { font-size: .72rem; padding: 5px 10px; }
.proj-body .gauge-ref-label { font-size: .7rem; margin-top: 6px; }
.proj-body .breakdown-chart { gap: 8px; }
.proj-body .bar-row-label { font-size: .76rem; }
.proj-body .bar-value { font-size: .72rem; }
.proj-body .breakdown-legend { margin-top: 8px; font-size: .7rem; }
.proj-body .equiv-grid { gap: 8px; }
.proj-body .equiv-card { padding: 10px 6px; }
.proj-body .equiv-card svg { width: 22px; height: 22px; margin-bottom: 4px; }
.proj-body .equiv-value { font-size: 1rem; }
.proj-body .equiv-label { font-size: .68rem; }
.proj-body .equiv-sub { font-size: .62rem; min-height: 1.4em; margin-top: 3px; }

@media (max-width: 720px) {
  .proj-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .proj-panels { grid-template-columns: 1fr; }
}

/* ---------------- impression ---------------- */
/* Masque la chrome d'interface (topbar, boutons, formulaires, gestion
   de classe...) pour n'imprimer que le contenu des résultats — d'un·e
   élève sur index.html, ou de la classe/vue combinée sur dashboard.html. */

@media print {
  .no-print { display: none !important; }
  .print-identity { display: block; }

  body { background: #fff; color: #000; padding: 0; }
  main { max-width: 100%; }
  .card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
  .results { gap: 14px; }
}