/* ══════════════════════════════════════════════════════
   TSSR QCM · Design System 2026
   Font: Plus Jakarta Sans + JetBrains Mono
   Palette: Plum-noir · Rose-corail · Accents par module
   ══════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=JetBrains+Mono:wght@500;600&display=swap');

/* ─── Tokens globaux ─── */
:root {
  /* Accent par défaut (rouge-rose) – les modules override */
  --accent:       #f0546e;
  --accent-strong:#c93050;
  --accent-soft:  rgba(240,84,110,.15);
  --accent-glow:  rgba(240,84,110,.22);

  /* Status */
  --success: #34d399;
  --danger:  #f87171;
  --warning: #fbbf24;
  --info:    #60a5fa;

  /* Rayon */
  --r-xl: 24px;
  --r-lg: 18px;
  --r-md: 12px;
  --r-sm:  8px;
  --r-xs:  5px;

  /* Timing */
  --ease-spring: cubic-bezier(.2,.9,.3,1.05);
  --ease-out:    cubic-bezier(.16,1,.3,1);
  --t-xs:  80ms;
  --t-sm: 150ms;
  --t-md: 260ms;
  --t-lg: 420ms;
}

/* ─── Dark (défaut) ─── */
:root,
[data-theme="dark"] {
  --bg:      #0d0812;
  --bg2:     #130d1c;
  --bg3:     #1a1228;

  --ink:     #f0e8ff;
  --ink-2:   #c4b8d8;
  --muted:   #7a6d8c;

  --line:    rgba(255,255,255,.07);
  --line-2:  rgba(255,255,255,.13);

  --surf:    rgba(255,255,255,.04);
  --surf-2:  rgba(255,255,255,.07);
  --surf-3:  rgba(255,255,255,.025);
  --surf-grad: linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.018));

  --sh:      0 12px 40px rgba(0,0,0,.52), 0 2px 8px rgba(0,0,0,.3);
  --sh-lg:   0 24px 64px rgba(0,0,0,.62), 0 4px 16px rgba(0,0,0,.36);
  --sh-glow: 0 0 0 1px var(--accent-soft), 0 16px 48px var(--accent-glow);

  --fb-ok:   rgba(52,211,153,.09);
  --fb-err:  rgba(248,113,113,.09);

  color-scheme: dark;
}

/* ─── Light ─── */
[data-theme="light"] {
  --bg:      #f6f4ff;
  --bg2:     #ede9fc;
  --bg3:     #e5e0f8;

  --ink:     #0f0b1e;
  --ink-2:   #2d2450;
  --muted:   #6b5f8a;

  --line:    rgba(15,11,30,.08);
  --line-2:  rgba(15,11,30,.15);

  --surf:    rgba(255,255,255,.88);
  --surf-2:  rgba(255,255,255,.97);
  --surf-3:  rgba(255,255,255,.6);
  --surf-grad: linear-gradient(160deg,rgba(255,255,255,.95),rgba(245,242,255,.92));

  --sh:      0 12px 40px rgba(15,11,30,.08), 0 2px 8px rgba(15,11,30,.05);
  --sh-lg:   0 24px 64px rgba(15,11,30,.13), 0 4px 16px rgba(15,11,30,.08);
  --sh-glow: 0 0 0 1px var(--accent-soft), 0 12px 36px var(--accent-glow);

  --fb-ok:   rgba(52,211,153,.08);
  --fb-err:  rgba(248,113,113,.08);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg:#0d0812;--bg2:#130d1c;--bg3:#1a1228;
    --ink:#f0e8ff;--ink-2:#c4b8d8;--muted:#7a6d8c;
    --line:rgba(255,255,255,.07);--line-2:rgba(255,255,255,.13);
    --surf:rgba(255,255,255,.04);--surf-2:rgba(255,255,255,.07);--surf-3:rgba(255,255,255,.025);
    --surf-grad:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
    --sh:0 12px 40px rgba(0,0,0,.52),0 2px 8px rgba(0,0,0,.3);
    --sh-lg:0 24px 64px rgba(0,0,0,.62),0 4px 16px rgba(0,0,0,.36);
    --sh-glow:0 0 0 1px var(--accent-soft),0 16px 48px var(--accent-glow);
    --fb-ok:rgba(52,211,153,.09);--fb-err:rgba(248,113,113,.09);
    color-scheme:dark;
  }
}

/* ─── Reset ─── */
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;min-height:100vh}
button,input,select,textarea{font:inherit;color:inherit}
img{display:block;max-width:100%}
a{color:var(--accent)}
a:hover{text-decoration:none;opacity:.85}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:var(--r-sm)}

/* ─── Body ─── */
body {
  font-family:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%,   rgba(240,84,110,.08), transparent 55%),
    radial-gradient(ellipse 60% 45% at 90% 5%,   rgba(130,80,220,.06), transparent 52%),
    radial-gradient(ellipse 50% 60% at 50% 100%,  rgba(80,40,180,.04),  transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 300ms ease, color 200ms ease;
}

/* Orbe décoratif */
body::before {
  content:"";
  position:fixed;
  top:-30%;right:-20%;
  width:60vmax;height:60vmax;
  background:radial-gradient(circle,var(--accent-glow),transparent 62%);
  filter:blur(16px);
  pointer-events:none;
  z-index:0;
  animation:orb 28s ease-in-out infinite alternate;
}

/* ─── Skip link ─── */
.skip-link {
  position:absolute;top:8px;left:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--accent);color:#fff;
  font-weight:700;font-size:.875rem;z-index:2000;
  transform:translateY(-200%);transition:transform 160ms ease;
  text-decoration:none;
}
.skip-link:focus-visible{transform:translateY(0);outline:none}

/* ─── Shells ─── */
.page-shell {
  position:relative;z-index:1;
  width:min(1160px,calc(100% - 40px));
  margin:0 auto;
  padding:36px 0 72px;
}

/* ─── Nav module ─── */
.module-nav {
  display:flex;align-items:center;
  justify-content:space-between;
  gap:12px;margin-bottom:28px;flex-wrap:wrap;
}

.module-nav-back {
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 18px;border-radius:999px;
  background:var(--surf-3);border:1px solid var(--line);
  color:var(--muted);font-size:.84rem;font-weight:600;
  text-decoration:none;transition:all var(--t-sm) var(--ease-out);
}
.module-nav-back:hover{
  background:var(--surf-2);border-color:var(--line-2);
  color:var(--ink);opacity:1;
}
.module-nav-back svg{width:14px;height:14px;flex-shrink:0}

/* ─── Nav actions ─── */
.nav-actions{display:inline-flex;align-items:center;gap:8px;position:relative;z-index:100}

/* ─── Boutons pill de nav ─── */
.theme-toggle,
.auth-widget {
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;
  background:var(--surf-3);border:1px solid var(--line);
  color:var(--ink-2);font-size:.8rem;font-weight:600;
  cursor:pointer;text-decoration:none;letter-spacing:.01em;
  transition:all var(--t-sm) var(--ease-out);
}
.theme-toggle:hover,
.auth-widget:hover{
  background:var(--surf-2);border-color:var(--line-2);
  color:var(--ink);opacity:1;transform:translateY(-1px);
}
.theme-toggle svg{width:14px;height:14px;display:block}

[data-theme="dark"]  .icon-sun  {display:block}
[data-theme="dark"]  .icon-moon {display:none}
[data-theme="light"] .icon-sun  {display:none}
[data-theme="light"] .icon-moon {display:block}
:root:not([data-theme]) .icon-sun  {display:none}
:root:not([data-theme]) .icon-moon {display:block}
@media (prefers-color-scheme:dark){
  :root:not([data-theme]) .icon-sun  {display:block}
  :root:not([data-theme]) .icon-moon {display:none}
}

.auth-widget--pseudo-needed{
  background:var(--accent-soft);
  border-color:rgba(240,84,110,.35);
  color:var(--accent);
}

/* ─── Eyebrow ─── */
.eyebrow{
  margin:0 0 10px;
  font-size:.7rem;letter-spacing:.28em;
  text-transform:uppercase;font-weight:700;
  color:var(--accent);
}

/* ─── Héro module ─── */
.hero{
  display:grid;
  grid-template-columns:minmax(0,1.65fr) minmax(260px,1fr);
  gap:24px;align-items:start;margin-bottom:32px;
}
.hero h1{
  margin:0;
  font-size:clamp(2rem,4vw,3.4rem);
  line-height:1.06;letter-spacing:-.04em;font-weight:800;
}
.hero-copy{
  margin:14px 0 0;max-width:55ch;
  color:var(--muted);font-size:1rem;line-height:1.75;
}
.hero-solo{grid-template-columns:1fr}

/* ─── Surfaces ─── */
.panel,.hero-card,.question-card,.results-card,.review-card,.metric {
  background:var(--surf-grad);
  border:1px solid var(--line);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  box-shadow:var(--sh);
  border-radius:var(--r-xl);
  transition:transform var(--t-md) var(--ease-spring),
             box-shadow var(--t-md) var(--ease-spring),
             border-color var(--t-md) var(--ease-out);
}
.panel:hover,.hero-card:hover,.question-card:hover,.results-card:hover,.review-card:hover{
  transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--sh-lg);
}
.panel{padding:24px 26px}
.panel h2{margin:0;font-size:1.05rem;font-weight:700}

.panel-head{
  display:flex;justify-content:space-between;
  gap:16px;align-items:flex-start;
  margin-bottom:20px;flex-wrap:wrap;
}
.panel-head p,.muted,.helper{
  margin:6px 0 0;color:var(--muted);
  line-height:1.55;font-size:.9rem;
}

/* ─── Hero card (stats du module) ─── */
.hero-card{
  position:relative;overflow:hidden;
  min-height:200px;padding:22px;
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
}
.hero-card::before{
  content:"";position:absolute;inset:-30% -25% auto auto;
  width:240px;height:240px;
  background:radial-gradient(circle at top left,var(--accent-soft),transparent 56%);
  filter:blur(10px);pointer-events:none;
}
.hero-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--accent),transparent 70%);
}
.hero-card h2{margin:0;font-size:1rem;font-weight:700;position:relative;z-index:1}

/* ─── Métriques ─── */
.metrics-grid,
.hero-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.hero-grid{margin-top:4px}

.metric{
  border-radius:var(--r-md);padding:14px 16px;
  position:relative;overflow:hidden;
}
.metric-label{
  color:var(--muted);font-size:.7rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
}
.metric-value{
  margin-top:6px;
  font-size:1.7rem;font-weight:800;
  font-family:'JetBrains Mono','Courier New',monospace;
  letter-spacing:-.025em;line-height:1;color:var(--ink);
}

/* ─── Progress ring ─── */
.progress-ring{
  --size:54px;--thick:5px;
  width:var(--size);height:var(--size);
  position:relative;flex-shrink:0;
}
.progress-ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.progress-ring .ring-track{fill:none;stroke:var(--line-2);stroke-width:var(--thick)}
.progress-ring .ring-value{
  fill:none;stroke:var(--accent);stroke-width:var(--thick);
  stroke-linecap:round;
  filter:drop-shadow(0 0 4px var(--accent-glow));
  transition:stroke-dashoffset 540ms var(--ease-spring);
}
.progress-ring .ring-label{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  font-size:.68rem;font-weight:700;color:var(--accent);
  font-family:'JetBrains Mono',monospace;
}

/* ─── Progress bar ─── */
.progress-bar{
  height:5px;background:var(--surf);border:1px solid var(--line);
  border-radius:999px;overflow:hidden;margin:14px 0 10px;
}
.progress-value{
  height:100%;
  background:linear-gradient(90deg,var(--accent),var(--accent-strong));
  border-radius:999px;
  transition:width 400ms var(--ease-spring);
  box-shadow:0 0 8px var(--accent-glow);
}

/* ─── Formulaires & filtres ─── */
.field label,.filter-title{
  display:block;margin-bottom:8px;
  font-size:.83rem;font-weight:700;color:var(--ink-2);
}

.chip-list{
  display:flex;flex-wrap:wrap;gap:8px;
  padding:12px;border-radius:var(--r-md);
  background:var(--surf-3);border:1px solid var(--line);
}

.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:999px;
  background:var(--surf);border:1px solid var(--line);
  color:var(--ink-2);cursor:pointer;font-size:.84rem;font-weight:500;
  transition:all var(--t-sm) var(--ease-out);
}
.chip:hover{border-color:var(--line-2);color:var(--ink)}
.chip input{accent-color:var(--accent)}

select{
  width:100%;padding:11px 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--surf);
  color:var(--ink);font-size:.9rem;
  transition:border-color var(--t-sm) ease,box-shadow var(--t-sm) ease;
  cursor:pointer;
}
select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
[data-theme="dark"] select{background-color:#1a1228}
[data-theme="dark"] select option{background-color:#1a1228;color:var(--ink)}
[data-theme="light"] select option{background-color:#fff;color:var(--ink)}

/* ─── Filtres bar ─── */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.filter-chip,.filter-tab{
  padding:8px 16px;border-radius:999px;
  background:var(--surf-3);border:1.5px solid var(--line);
  color:var(--muted);font:inherit;font-size:.83rem;font-weight:600;
  cursor:pointer;transition:all var(--t-sm) var(--ease-out);
}
.filter-chip:hover,.filter-tab:hover{border-color:var(--line-2);color:var(--ink)}
.filter-chip.is-active,.filter-tab.is-active{
  background:linear-gradient(135deg,var(--accent),var(--accent-strong));
  border-color:transparent;color:#fff;
  box-shadow:0 6px 20px var(--accent-soft);
}

/* ─── Boutons ─── */
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border:0;border-radius:999px;
  padding:11px 24px;cursor:pointer;
  font-weight:700;font-size:.9rem;letter-spacing:.01em;
  transition:all var(--t-sm) var(--ease-spring);
  white-space:nowrap;text-decoration:none;
}
.button:hover{transform:translateY(-2px);opacity:1}
.button:active{transform:translateY(0) scale(.97)}

.button-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-strong));
  color:#fff;box-shadow:0 8px 24px var(--accent-soft);
}
.button-primary:hover{box-shadow:0 14px 36px var(--accent-glow)}

.button-secondary{
  background:var(--surf-2);color:var(--ink-2);
  border:1px solid var(--line);
}
.button-secondary:hover{border-color:var(--line-2);color:var(--ink)}

.button-outline{
  background:transparent;color:var(--accent);
  border:1.5px solid var(--accent-soft);
}
.button-outline:hover{background:var(--accent-soft);border-color:var(--accent)}

/* ─── Layout quiz ─── */
.session-layout,.results-layout{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:16px;
}
.sidebar{display:grid;gap:14px}
.progress-card,.question-card,.results-card,.review-card{padding:22px 24px}

/* ─── Filtres quiz (semaines) ─── */
.filters{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:14px;align-items:end}

.week-presets-bar{margin-bottom:18px}
.preset-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.preset-btn{
  padding:7px 15px;border-radius:999px;
  border:1px solid var(--line);background:var(--surf-3);
  color:var(--ink-2);font:inherit;font-size:.82rem;font-weight:600;
  cursor:pointer;transition:all var(--t-sm) var(--ease-out);
}
.preset-btn:hover{background:var(--accent-soft);border-color:rgba(240,84,110,.35);color:var(--accent)}
.preset-btn.is-active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}

/* ─── Actions ─── */
.actions,.question-actions{
  display:grid;grid-template-columns:repeat(2,minmax(0,max-content));
  justify-content:flex-start;gap:10px;margin-top:20px;
}

/* ─── Tags ─── */
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;padding:5px 10px;
  border-radius:var(--r-sm);
  background:var(--accent-soft);color:var(--accent);
  font-size:.78rem;font-weight:600;
}

/* ─── Question card ─── */
.question-meta{
  display:flex;justify-content:space-between;gap:16px;
  align-items:center;margin-bottom:8px;
}
.question-meta p,.question-card p{margin:0}
.question-card h2{
  margin:10px 0 22px;
  font-size:clamp(1.1rem,2vw,1.5rem);
  line-height:1.42;letter-spacing:-.015em;font-weight:700;
}

/* ─── Scenario ─── */
.scenario-card{
  margin:10px 0 16px;padding:14px 16px;
  border-radius:var(--r-md);
  border:1px solid var(--accent-soft);
  background:linear-gradient(160deg,var(--accent-soft),transparent 80%);
}
.scenario-title{margin:0 0 8px;font-weight:700;color:var(--accent);font-size:.9rem}
.scenario-text{margin:5px 0;line-height:1.55;font-size:.93rem}

/* ─── Multi-choix ─── */
.multi-choice-banner{
  margin:0 0 16px;padding:9px 14px;border-radius:var(--r-sm);
  background:var(--accent-soft);border:1px solid rgba(240,84,110,.22);
  font-size:.85rem;color:var(--accent);font-weight:500;
}

/* ─── Choices (A/B/C/D) ─── */
.choices{
  display:grid;gap:9px;
  counter-reset:choice;
}
.choice{
  counter-increment:choice;
  display:grid;grid-template-columns:2.4rem 1fr;gap:12px;align-items:center;
  padding:13px 16px 13px 13px;border-radius:var(--r-md);
  background:var(--surf-3);border:1.5px solid var(--line);
  cursor:pointer;transition:all var(--t-sm) var(--ease-out);
  position:relative;
}
.choice input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.choice::before{
  content:counter(choice,upper-alpha);
  display:flex;align-items:center;justify-content:center;
  width:2.4rem;height:2.4rem;border-radius:var(--r-sm);
  background:var(--surf);border:1.5px solid var(--line-2);
  font-weight:700;font-size:.8rem;color:var(--muted);
  transition:all var(--t-sm) var(--ease-out);
  font-family:'JetBrains Mono',monospace;flex-shrink:0;
}
.choice span{
  font-size:.93rem;line-height:1.5;
  color:var(--ink-2);font-weight:500;
  transition:color var(--t-sm) ease;
}
.choice:hover{
  border-color:color-mix(in srgb,var(--accent) 55%,transparent);
  background:var(--accent-soft);
}
.choice:hover::before{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.choice:hover span{color:var(--ink)}

.choice.is-selected{border-color:var(--accent);background:var(--accent-soft)}
.choice.is-selected::before{background:var(--accent);border-color:var(--accent);color:#fff}
.choice.is-selected span{color:var(--ink)}

/* Correct */
.choice.is-correct{border-color:rgba(52,211,153,.5);background:rgba(52,211,153,.07)}
.choice.is-correct::before{background:rgba(52,211,153,.16);border-color:rgba(52,211,153,.55);color:#34d399}
.choice.is-correct span{color:var(--ink)}

/* Wrong */
.choice.is-wrong{border-color:rgba(248,113,113,.5);background:rgba(248,113,113,.07)}
.choice.is-wrong::before{background:rgba(248,113,113,.14);border-color:rgba(248,113,113,.5);color:#f87171}
.choice.is-wrong span{color:var(--ink-2)}

/* ─── Feedback ─── */
.feedback{
  margin-top:14px;padding:13px 16px;
  border-radius:var(--r-md);line-height:1.62;font-size:.92rem;
}
.feedback-line{margin-top:6px}
.feedback.success{background:var(--fb-ok);border-left:3px solid var(--success)}
.feedback.error{background:var(--fb-err);border-left:3px solid var(--danger)}
[data-theme="dark"] .feedback.success{border-left-color:#34d399}
[data-theme="dark"] .feedback.error{border-left-color:#f87171}

/* ─── Timer ─── */
.timer-panel h2{
  font-size:2.4rem;margin-top:8px;
  color:var(--accent);font-family:'JetBrains Mono',monospace;
  letter-spacing:-.03em;
}

/* ─── Results ─── */
.score-big{
  font-size:clamp(3rem,7vw,5.4rem);line-height:1;
  margin:8px 0;font-weight:800;
  font-family:'JetBrains Mono',monospace;
  background:linear-gradient(135deg,var(--accent) 20%,var(--accent-strong) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-.04em;
}
.results-layout{align-items:start}
.review-list{display:grid;grid-template-columns:1fr;gap:0;margin-top:16px}
.review-item{padding:14px 0;border-top:1px solid var(--line)}
.review-item:first-child{border-top:0;padding-top:0}
.review-item h3{margin:0 0 8px;font-size:.93rem;font-weight:600}
.review-answer{margin:5px 0;font-size:.87rem}
.empty-state{
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(251,191,36,.07);color:var(--warning);font-size:.9rem;
}

/* ─── Calc mode ─── */
.calc-fields{display:flex;flex-direction:column;gap:14px;margin:20px 0}
.calc-fields-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.calc-input{
  width:100%;padding:11px 16px;
  border:1.5px solid var(--line);border-radius:var(--r-md);
  background:var(--surf-2);color:var(--ink);font:inherit;font-size:.95rem;
  transition:all var(--t-sm) ease;
}
.calc-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.calc-input::placeholder{color:var(--muted);opacity:.7}
.calc-input[type="number"]::-webkit-inner-spin-button,
.calc-input[type="number"]::-webkit-outer-spin-button{-webkit-appearance:none}

/* ─── Bits ─── */
.bits-burst{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;z-index:999}
.bits-particle{position:absolute;font-size:1.1rem;animation:bitsFly 1.6s var(--ease-out) both;animation-delay:var(--delay,0s)}
@keyframes bitsFly{0%{transform:translate(0,0) scale(1);opacity:1}100%{transform:translate(var(--dx),var(--dy)) scale(0);opacity:0}}
.bits-burst-label{
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  background:linear-gradient(135deg,var(--accent),var(--accent-strong));
  color:#fff;padding:7px 16px;border-radius:999px;
  font-weight:800;font-size:1rem;white-space:nowrap;
  animation:burstLabel 1.6s var(--ease-out) both;
}
@keyframes burstLabel{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.6)}
  20%{opacity:1;transform:translate(-50%,-62%) scale(1.12)}
  80%{opacity:1}
  100%{opacity:0;transform:translate(-50%,-135%) scale(.9)}
}
.bits-earned-inline{
  display:inline-flex;align-items:center;gap:4px;
  padding:2px 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  font-weight:700;font-size:.85rem;
}
.bits-detail{color:var(--muted);font-size:.82rem}
.leaderboard-banner{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}

/* ─── Animations ─── */
.motion-in{
  animation:fadeLift 480ms var(--ease-spring) both;
  animation-delay:var(--motion-delay,0ms);
}
.choice-reveal{
  animation:slideIn 300ms var(--ease-spring) both;
  animation-delay:var(--choice-delay,0ms);
}

@keyframes fadeLift{
  from{opacity:0;transform:translateY(22px) scale(.97)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
@keyframes slideIn{
  from{opacity:0;transform:translateX(16px)}
  to{opacity:1;transform:translateX(0)}
}
@keyframes orb{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(-28px,22px,0) scale(1.08)}
}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes pulse{
  0%,100%{opacity:1}50%{opacity:.6}
}

/* ─── Badges achievements ─── */
.achievements-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;
  margin-top:14px;
}
.achievement{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:16px 12px;border-radius:var(--r-lg);
  background:var(--surf-3);border:1px solid var(--line);
  text-align:center;transition:all var(--t-sm) var(--ease-out);
}
.achievement:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--sh)}
.achievement-icon{font-size:2rem;line-height:1}
.achievement-name{font-size:.8rem;font-weight:700;color:var(--ink-2)}
.achievement-desc{font-size:.72rem;color:var(--muted);line-height:1.4}
.achievement.locked{opacity:.38;filter:grayscale(1)}

/* ─── Responsive ─── */
@media(max-width:960px){
  .hero,.session-layout,.results-layout,.filters{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:640px){
  .page-shell{width:min(100% - 24px,100%);padding-top:18px}
  .panel,.question-card,.progress-card,.results-card,.review-card,.hero-card{padding:16px 18px}
  .actions,.question-actions{grid-template-columns:1fr}
  .calc-fields-grid{grid-template-columns:1fr}
  .metric-value{font-size:1.4rem}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .motion-in,.choice-reveal{opacity:1!important;transform:none!important}
}