/* ─── Tokens ─────────────────────────────────────────────────── */
:root {
  --bg:      #070709;
  --bg2:     #0e0e12;
  --bg3:     #181820;
  --card:    #1c1c21;
  --card2:   #252529;
  --border:  #2b2b31;
  --border2: #434349;

  --green:      #22c55e;
  --green2:     #16a34a;
  --green-hi:   #4ade80;
  --green-dim:  rgba(34,197,94,.10);
  --green-glow: rgba(34,197,94,.18);
  --green-grad: linear-gradient(135deg,#22c55e,#16a34a);

  --red:    #f87171;
  --yellow: #fbbf24;

  --text:   #f4f4f6;
  --text2:  #9494a0;
  --text3:  #55555f;

  --hd-h: 58px;
  --r:    14px;
  --r-sm: 10px;
  --ease: .17s ease;
}

/* ─── Reset ──────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html,body { height:100%; overflow:hidden; }
body {
  font-family:'Inter',-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
button { cursor:pointer; font-family:inherit; background:none; border:none; color:inherit; touch-action:manipulation; -webkit-tap-highlight-color:transparent; }

::-webkit-scrollbar { width:4px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border2); border-radius:99px; }

/* ─── Shell ──────────────────────────────────────────────────── */
#shell {
  height:100%;
  max-width:1000px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
}

/* ─── Header ─────────────────────────────────────────────────── */
#hd {
  flex-shrink:0;
  height:var(--hd-h);
  display:flex;
  align-items:center;
  padding:0 28px;
  border-bottom:1px solid var(--border);
  background:var(--bg);
  position:relative;
}

.hd-logo {
  font-family:'JetBrains Mono',monospace;
  font-size:.9rem;
  font-weight:600;
  color:var(--green);
  cursor:pointer;
  letter-spacing:-.01em;
  flex-shrink:0;
}
.hd-logo:hover { color:var(--green-hi); }

/* Tab bar — centered absolutely so logo doesn't push it */
.tab-bar {
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:2px;
  background:var(--bg3);
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  padding:3px;
}
.tab {
  padding:6px 24px;
  border-radius:7px;
  font-size:.95rem;
  font-weight:500;
  color:var(--text3);
  transition:color var(--ease),background var(--ease);
}
.tab:hover  { color:var(--text2); }
.tab.active { color:var(--text); background:var(--card2); }

/* Quiz/exam header extras */
.hd-back {
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.84rem;
  font-weight:500;
  color:var(--text2);
  padding:6px 14px 6px 10px;
  border-radius:var(--r-sm);
  border:1px solid var(--border);
  flex-shrink:0;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.hd-back:hover { color:var(--text); border-color:var(--border2); background:var(--bg3); }

.hd-counter {
  font-family:'JetBrains Mono',monospace;
  font-size:.8rem;
  color:var(--text3);
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  pointer-events:none;
}
.hd-timer {
  font-family:'JetBrains Mono',monospace;
  font-size:.88rem;
  font-weight:600;
  color:var(--text2);
  padding:4px 12px;
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  background:var(--bg3);
  margin-left:auto;
  flex-shrink:0;
}
.hd-timer.warn { color:var(--yellow); border-color:var(--yellow); }
.hd-timer.crit { color:var(--red);    border-color:var(--red); }

/* ─── Main area ──────────────────────────────────────────────── */
#app {
  flex:1;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}

/* ─── Keyframes ──────────────────────────────────────────────── */
@keyframes liftIn   { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn   { from{opacity:0} to{opacity:1} }
@keyframes fadeOut  { from{opacity:1} to{opacity:0} }
@keyframes slideIn  { from{opacity:0;transform:translateX(16px)} to{opacity:1;transform:translateX(0)} }
@keyframes slideOut { from{opacity:1;transform:translateX(0)} to{opacity:0;transform:translateX(-16px)} }
@keyframes fillBar  { from{width:0} }
@keyframes checkPop { 0%{transform:scale(.5)} 60%{transform:scale(1.2)} 100%{transform:scale(1)} }
@keyframes shake    { 0%,100%{transform:translateX(0)} 20%{transform:translateX(-5px)} 40%{transform:translateX(5px)} 60%{transform:translateX(-3px)} 80%{transform:translateX(3px)} }
@keyframes confetti { 0%{transform:translateY(-20px) rotate(0deg);opacity:1} 100%{transform:translateY(110vh) rotate(720deg);opacity:0} }

/* ─── Sekcje tab — card grid ─────────────────────────────────── */
.sections-page {
  flex:1;
  overflow-y:auto;
  padding:28px 32px;
  animation:fadeIn .2s ease;
}

.sec-grid {
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
  margin-bottom:18px;
}

.sec-card {
  flex:0 0 calc(33.333% - 8px);
  background:var(--card);
  border:1px solid var(--border);
  border-top:3px solid var(--sc,var(--green));
  border-radius:var(--r);
  padding:22px 20px;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  gap:11px;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  animation:liftIn .3s ease both;
}
@media(hover:hover) {
  .sec-card:hover {
    background:var(--card2);
    transform:translateY(-3px);
    box-shadow:0 8px 24px rgba(0,0,0,.3);
    border-color:var(--border2);
    border-top-color:var(--sc,var(--green));
  }
}
.sec-card-icon { font-size:1.7rem; }
.sec-card-name {
  font-size:1.05rem;
  font-weight:600;
  color:var(--text);
  line-height:1.35;
  flex:1;
}
.sec-card-meta {
  font-family:'JetBrains Mono',monospace;
  font-size:.78rem;
  color:var(--text3);
}
.sec-card-prog {
  display:flex;
  align-items:center;
  gap:8px;
}
.sec-card-pct {
  font-family:'JetBrains Mono',monospace;
  font-size:.82rem;
  font-weight:600;
  color:var(--sc,var(--green));
  flex-shrink:0;
}

.sec-actions { display:flex; gap:12px; justify-content:center; padding:6px 0 10px; }
.sec-actions .btn { padding:13px 36px; font-size:1rem; }

/* ─── Section full-screen detail ─────────────────────────────── */
.sec-detail-page {
  flex:1;
  overflow-y:auto;
  padding:32px;
  display:flex;
  flex-direction:column;
  align-items:center;
  animation:fadeIn .2s ease;
}

.sd-inner {
  width:100%;
  max-width:560px;
}

.sd-back {
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.84rem;
  font-weight:500;
  color:var(--text3);
  padding:6px 14px 6px 10px;
  border-radius:var(--r-sm);
  border:1px solid var(--border);
  margin-bottom:28px;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.sd-back:hover { color:var(--text); border-color:var(--border2); background:var(--bg3); }

.sd-hero {
  display:flex;
  align-items:center;
  gap:20px;
  margin-bottom:28px;
  animation:liftIn .25s ease both;
}
.sd-icon { font-size:2.8rem; }
.sd-title {
  font-size:1.5rem;
  font-weight:800;
  color:var(--text);
  letter-spacing:-.03em;
  line-height:1.2;
}
.sd-sub {
  font-family:'JetBrains Mono',monospace;
  font-size:.72rem;
  margin-top:4px;
  text-transform:uppercase;
  letter-spacing:.06em;
}

.sd-progress-row {
  display:flex;
  align-items:center;
  gap:24px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:20px 24px;
  margin-bottom:22px;
  animation:liftIn .3s ease both;
  animation-delay:.07s;
}
.sd-badges { display:flex; flex-direction:column; gap:6px; }

.sd-mode-list { display:flex; flex-direction:column; gap:10px; }

.sd-mode-btn {
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  padding:18px 22px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r);
  text-align:left;
  transition:background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  animation:liftIn .3s ease both;
}
.sd-mode-btn:nth-child(1) { animation-delay:.05s }
.sd-mode-btn:nth-child(2) { animation-delay:.10s }
.sd-mode-btn:nth-child(3) { animation-delay:.15s }
.sd-reset { animation:liftIn .3s ease both; animation-delay:.22s; }
@media(hover:hover) {
  .sd-mode-btn:hover {
    background:var(--card2);
    border-color:var(--sc,var(--green));
    transform:translateY(-1px);
    box-shadow:0 4px 18px rgba(0,0,0,.25);
  }
}
.sd-mode-btn.disabled { opacity:.2; cursor:default; pointer-events:none; filter:grayscale(1); }
.sd-mode-icon  { font-size:1.4rem; flex-shrink:0; width:36px; text-align:center; }
.sd-mode-title { font-size:1.1rem; font-weight:600; color:var(--text); }
.sd-mode-desc  { font-size:.9rem; color:var(--text2); margin-top:2px; }

/* ─── Postęp tab ─────────────────────────────────────────────── */
.progress-page {
  flex:1;
  overflow-y:auto;
  padding:32px;
  animation:fadeIn .2s ease;
}

.big-ring-wrap {
  display:flex;
  align-items:center;
  gap:32px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:28px 32px;
  margin-bottom:28px;
  animation:liftIn .35s ease;
}
.big-ring-info { flex:1; }
.progress-reset-row {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:14px;
}
.big-ring-title {
  font-size:1.4rem;
  font-weight:800;
  color:var(--text);
  letter-spacing:-.03em;
  margin-bottom:5px;
}
.big-ring-sub { font-size:.9rem; color:var(--text2); margin-bottom:12px; }

/* Section progress bars */
.sec-bars {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4px 12px;
  margin-bottom:24px;
}
.sec-bar-row {
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 14px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),border-color var(--ease);
  animation:liftIn .3s ease both;
}
@media(hover:hover) { .sec-bar-row:hover { background:var(--bg3); border-color:var(--border); } }
.sec-bar-icon { font-size:1.1rem; flex-shrink:0; width:22px; text-align:center; }
.sec-bar-info { flex:1; min-width:0; }
.sec-bar-name {
  font-size:.88rem;
  font-weight:500;
  color:var(--text);
  margin-bottom:5px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sec-bar-track {
  height:6px;
  background:var(--bg3);
  border-radius:99px;
  overflow:hidden;
}
.sec-bar-fill {
  height:100%;
  background:var(--sc,var(--green));
  border-radius:99px;
  animation:fillBar .7s cubic-bezier(.22,1,.36,1) both;
  min-width:2px;
}
.sec-bar-pct {
  font-family:'JetBrains Mono',monospace;
  font-size:.75rem;
  font-weight:600;
  color:var(--text3);
  flex-shrink:0;
  width:36px;
  text-align:right;
}

.section-heading {
  font-size:.72rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.09em;
  color:var(--text3);
  margin-bottom:12px;
}

/* Exam history table */
.hist-table {
  width:100%;
  border-collapse:collapse;
  font-size:.86rem;
}
.hist-table th {
  font-family:'JetBrains Mono',monospace;
  font-size:.68rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--text3);
  text-align:left;
  padding:8px 10px;
  border-bottom:1px solid var(--border);
}
.hist-table td {
  padding:10px;
  border-bottom:1px solid var(--border);
  color:var(--text2);
  vertical-align:middle;
}
.hist-table tr:last-child td { border-bottom:none; }
.hist-table tbody tr:hover td { background:var(--bg3); }

/* ─── Modal ──────────────────────────────────────────────────── */
.modal {
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.65);
  backdrop-filter:blur(4px);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:500;
  padding:20px;
}
.modal.open    { display:flex; animation:fadeIn .15s ease; }
.modal.closing { animation:fadeOut .15s ease forwards; }

.modal-panel {
  background:var(--card);
  border:1px solid var(--border2);
  border-radius:var(--r);
  width:100%;
  max-width:660px;
  max-height:85vh;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  animation:liftIn .2s ease;
}

.modal-hd {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid var(--border);
  flex-shrink:0;
}
.modal-title {
  font-size:1rem;
  font-weight:700;
  color:var(--text);
}
.modal-close {
  color:var(--text3);
  padding:4px;
  border-radius:6px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:color var(--ease),background var(--ease);
}
.modal-close:hover { color:var(--text); background:var(--bg3); }

.modal-body {
  overflow-y:auto;
  padding:20px;
  flex:1;
}

/* Cheatsheet items inside modal */
.cs-section-lbl {
  font-size:.68rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.09em;
  color:var(--text3);
  margin:20px 0 8px;
}
.cs-section-lbl:first-child { margin-top:0; }

.cs-pat {
  background:var(--bg3);
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  padding:14px 16px;
  margin-bottom:8px;
  animation:liftIn .25s ease both;
}
.cs-pat-name { font-family:'JetBrains Mono',monospace; font-size:.92rem; font-weight:600; color:var(--green); margin-bottom:5px; }
.cs-pat-desc { font-size:1.02rem; color:var(--text2); line-height:1.55; }
.cs-pat-ex   { font-family:'JetBrains Mono',monospace; font-size:.85rem; color:var(--text3); margin-top:7px; white-space:pre-wrap; line-height:1.6; }

/* ─── Quiz / Learn / Exam layout ─────────────────────────────── */
.quiz-layout {
  flex:1;
  overflow-y:auto;
  max-width:700px;
  width:100%;
  margin:0 auto;
  animation:fadeIn .2s ease;
}
.quiz-strip { height:3px; background:var(--bg3); position:sticky; top:0; z-index:10; }
.quiz-strip-fill { height:100%; background:var(--green-grad); transition:width .35s cubic-bezier(.22,1,.36,1); }
.quiz-body  { padding:26px 30px 8px; }
.quiz-footer {
  padding:12px 30px 28px;
  border-top:1px solid var(--border);
  display:flex;
  gap:8px;
}

/* Question card */
.q-card { animation:slideIn .2s ease; }
.q-card.exit { animation:slideOut .15s ease forwards; }
.q-meta { display:flex; align-items:center; gap:8px; margin-bottom:16px; }
.q-chip {
  font-family:'JetBrains Mono',monospace;
  font-size:.72rem;
  font-weight:600;
  padding:3px 10px;
  border-radius:99px;
  border:1px solid currentColor;
}
.q-id   { font-family:'JetBrains Mono',monospace; font-size:.74rem; color:var(--text3); }
.q-text { font-size:1.15rem; font-weight:500; color:var(--text); line-height:1.65; margin-bottom:20px; }

/* Answer options */
.opts { display:flex; flex-direction:column; gap:7px; margin-bottom:14px; }
.opt {
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:13px 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--border);
  background:var(--bg2);
  cursor:pointer;
  user-select:none;
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
  transition:background var(--ease),border-color var(--ease);
  animation:liftIn .22s ease both;
}
.opt:nth-child(1){animation-delay:.00s}
.opt:nth-child(2){animation-delay:.03s}
.opt:nth-child(3){animation-delay:.06s}
.opt:nth-child(4){animation-delay:.09s}
.opt:nth-child(5){animation-delay:.12s}
@media(hover:hover) {
  .opt:hover:not(.disabled):not(.selected) { border-color:var(--border2); background:var(--bg3); }
}
.opt.selected { border-color:var(--green); background:var(--green-dim); }
.opt.correct  { border-color:var(--green)  !important; background:rgba(34,197,94,.10)  !important; }
.opt.wrong    { border-color:var(--red)    !important; background:rgba(248,113,113,.09) !important; }
.opt.missed   { border-color:var(--yellow) !important; background:rgba(251,191,36,.09)  !important; }
.opt.disabled { cursor:default; pointer-events:none; }

.opt-box {
  flex-shrink:0;
  width:20px; height:20px;
  border:1.5px solid var(--border2);
  border-radius:5px;
  margin-top:2px;
  display:flex; align-items:center; justify-content:center;
  background:var(--bg3);
  transition:border-color var(--ease),background var(--ease);
}
.opt.selected .opt-box { border-color:var(--green);  background:var(--green);  animation:checkPop .2s ease; }
.opt.correct  .opt-box { border-color:var(--green);  background:var(--green); }
.opt.wrong    .opt-box { border-color:var(--red);    background:var(--red); }
.opt.missed   .opt-box { border-color:var(--yellow); background:var(--yellow); }
.opt-box svg  { width:10px; height:10px; display:none; }
.opt.selected .opt-box svg,
.opt.correct  .opt-box svg,
.opt.wrong    .opt-box svg,
.opt.missed   .opt-box svg { display:block; }
.opt-text { font-size:1.02rem; line-height:1.55; color:var(--text); }

/* Bucket buttons (learn mode) */
.bucket-row { display:flex; gap:7px; margin-bottom:12px; animation:liftIn .2s ease; }
.btn-bucket {
  flex:1;
  padding:10px 8px;
  border-radius:var(--r-sm);
  font-size:.95rem;
  font-weight:600;
  border:1px solid;
  transition:background var(--ease),transform var(--ease);
  font-family:'Inter',sans-serif;
}
.btn-bucket:active { transform:scale(.96); }
.btn-bucket.know    { border-color:var(--green);  color:var(--green); }
.btn-bucket.partial { border-color:var(--yellow); color:var(--yellow); }
.btn-bucket.unknown { border-color:var(--red);    color:var(--red); }
.btn-bucket.know:hover    { background:rgba(34,197,94,.09); }
.btn-bucket.partial:hover { background:rgba(251,191,36,.09); }
.btn-bucket.unknown:hover { background:rgba(248,113,113,.09); }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:11px 24px;
  border-radius:var(--r-sm);
  font-size:.9rem; font-weight:600;
  cursor:pointer;
  font-family:'Inter',sans-serif;
  transition:opacity var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn:active { transform:scale(.97); }
.btn-primary  { background:var(--green-grad); color:#020f05; border:none; }
.btn-primary:hover { box-shadow:0 0 0 3px var(--green-glow); }
.btn-secondary { background:var(--card2); color:var(--text); border:1px solid var(--border2); }
.btn-secondary:hover { border-color:var(--green); color:var(--green); }
.btn-ghost { background:none; color:var(--text2); border:1px solid var(--border); }
.btn-ghost:hover { color:var(--text); border-color:var(--border2); }
.btn.shake { animation:shake .3s ease; }
.opt.shake { animation:shake .35s ease; }
.btn-row { display:flex; gap:8px; flex-wrap:wrap; }

/* ─── Progress bar ───────────────────────────────────────────── */
.pbar-wrap { background:var(--bg3); border-radius:99px; height:5px; overflow:hidden; flex:1; }
.pbar-fill {
  height:100%; border-radius:99px;
  background:var(--green-grad);
  animation:fillBar .7s cubic-bezier(.22,1,.36,1) both;
  min-width:2px;
}

/* ─── Badges ─────────────────────────────────────────────────── */
.badges { display:flex; gap:5px; flex-wrap:wrap; }
.badge {
  font-size:.72rem; font-weight:600;
  padding:3px 10px; border-radius:99px;
  font-family:'JetBrains Mono',monospace;
}
.badge.know    { background:rgba(34,197,94,.10);   color:var(--green); }
.badge.partial { background:rgba(251,191,36,.10);  color:var(--yellow); }
.badge.unknown { background:rgba(255,255,255,.04); color:var(--text3); }

/* ─── Results page ───────────────────────────────────────────── */
.results-page {
  flex:1; overflow-y:auto;
  padding:32px;
  animation:fadeIn .2s ease;
}
.score-wrap {
  display:flex; align-items:center; gap:32px;
  background:var(--card); border:1px solid var(--border);
  border-radius:var(--r); padding:28px 32px; margin-bottom:28px;
  animation:liftIn .3s ease;
}
.score-info    { flex:1; }
.score-verdict { font-size:1.3rem; font-weight:800; color:var(--text); letter-spacing:-.02em; margin-bottom:4px; }
.score-sub     { font-size:.9rem; color:var(--text2); }
.score-frac    { font-family:'JetBrains Mono',monospace; font-size:.8rem; color:var(--text3); margin-top:4px; }


.weak-callout {
  font-size:.85rem; color:var(--text2);
  background:var(--bg2); border:1px solid var(--border);
  border-radius:var(--r-sm); padding:9px 13px;
  margin-bottom:10px; line-height:1.5;
}

.wr-item {
  padding:14px 16px 12px;
  border-left:2px solid var(--red);
  background:rgba(248,113,113,.05);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  margin-bottom:12px;
  animation:liftIn .25s ease both;
}
.wr-meta     { font-family:'JetBrains Mono',monospace; font-size:.72rem; color:var(--text3); margin-bottom:5px; }
.wr-question { font-size:.92rem; color:var(--text); font-weight:500; line-height:1.5; margin-bottom:9px; }
.wr-opt         { font-size:.85rem; padding:4px 7px; border-radius:5px; margin-bottom:3px; line-height:1.4; }
.wr-opt.correct { color:var(--green);  background:rgba(34,197,94,.10); }
.wr-opt.wrong   { color:var(--red);    background:rgba(248,113,113,.09); }
.wr-opt.missed  { color:var(--yellow); background:rgba(251,191,36,.09); }
.wr-opt.neutral { color:var(--text3); }

.divider { border:none; border-top:1px solid var(--border); margin:24px 0; }

.sec-label {
  font-family:'JetBrains Mono',monospace;
  font-size:.72rem; font-weight:600;
  padding:2px 10px; border-radius:99px;
  border:1px solid currentColor;
}

/* ─── Done / Learn finished card ─────────────────────────────── */
.done-wrap {
  flex:1; display:flex; align-items:center; justify-content:center;
  padding:32px;
}
.done-card {
  text-align:center; max-width:460px; width:100%;
  background:var(--card); border:1px solid var(--border);
  border-radius:var(--r); padding:48px 36px;
  animation:liftIn .35s ease;
}
.done-emoji { font-size:3rem; margin-bottom:16px; }
.done-title { font-size:1.3rem; font-weight:700; color:var(--text); margin-bottom:5px; }
.done-sub   { font-size:.9rem; color:var(--text2); margin-bottom:22px; }

/* ─── Confetti ───────────────────────────────────────────────── */
#confetti { position:fixed; inset:0; pointer-events:none; z-index:999; overflow:hidden; }
.cp { position:absolute; top:-20px; animation:confetti linear forwards; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media(max-width:700px) {
  body { font-size:15px; }
  .sec-grid { gap:8px; }
  .sec-card { flex:0 0 calc(50% - 4px); }
  .sec-bars { grid-template-columns:1fr; }
  .big-ring-wrap { flex-direction:column; text-align:center; padding:20px; gap:20px; }
  .progress-reset-row { flex-direction:column; }
  .progress-reset-row .btn { width:100%; justify-content:center; }
  #hd { padding:0 16px; }
  .quiz-body { padding:16px 18px 10px; }
  .quiz-footer { padding:12px 18px; }
  .sections-page, .progress-page, .results-page { padding:20px 16px; }
  .sec-detail-page { padding:20px 16px; }
  .score-wrap { flex-direction:column; text-align:center; gap:16px; padding:20px; }
  .results-btn-row { flex-wrap:wrap; justify-content:center; }
  .results-btn-row .btn:nth-child(1),
  .results-btn-row .btn:nth-child(2) { flex:1; }
  .results-btn-row .btn:nth-child(3) { width:100%; justify-content:center; }
  .tab { padding:6px 14px; }
}

/* ─── Landscape / short screens ──────────────────────────────── */
@media(max-height:500px) {
  :root { --hd-h:46px; }
  .sec-detail-page { padding:12px 16px; }
  .sd-back { margin-bottom:12px; }
  .sd-hero { margin-bottom:12px; gap:12px; }
  .sd-icon { font-size:1.8rem; }
  .sd-title { font-size:1.15rem; }
  .sd-progress-row { padding:12px 16px; margin-bottom:12px; }
  .sd-mode-btn { padding:10px 14px; }
  .sd-mode-icon { font-size:1.1rem; width:28px; }
  .sd-mode-title { font-size:.95rem; }
  .sd-mode-desc { font-size:.8rem; margin-top:1px; }
  .big-ring-wrap { flex-direction:row; padding:14px 20px; gap:20px; text-align:left; }
  .score-wrap { flex-direction:row; padding:14px 20px; gap:20px; text-align:left; }
  .done-card { padding:24px 24px; }
  .done-emoji { font-size:2rem; margin-bottom:8px; }
  .sections-page, .progress-page, .results-page { padding:14px 16px; }
  .sec-grid { gap:6px; }
}