/* ============================================================
   MATH QUEST — style.css
   Cosmic number adventure. Same studio as Safety Quest.
   Fredoka (display) + Nunito (body). CSS-only, targets fixed hooks.
   Design: glm-5.2:cloud (Ollama), reviewed + integrated by Claude.
   ============================================================ */

/* ---------- 1. Design Tokens ---------- */
:root {
  /* Base world — deep indigo starfield */
  --bg-0: #160d3a;
  --bg-1: #241554;
  --bg-2: #2e1b6b;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.10);
  --surface-strong: #2a1a63;
  --ink: #f4f1ff;
  --ink-soft: #c8c0ee;
  --ink-mute: #9b91cf;
  --line: rgba(255, 255, 255, 0.14);

  /* Accent family */
  --violet: #7c3aed;
  --violet-bright: #a855f7;
  --gold: #ffd54a;
  --gold-deep: #f5b800;
  --green: #34d399;
  --green-deep: #10b981;
  --amber: #fbbf24;
  --amber-deep: #f59e0b;
  --rose: #fb7185;

  /* Topic identity colors */
  --t-add: #ffb020;     /* sunny orange */
  --t-add-2: #ff7a18;
  --t-sub: #38d9e0;     /* aqua */
  --t-sub-2: #0bb3c4;
  --t-mul: #b06bff;     /* electric violet */
  --t-mul-2: #7c3aed;
  --t-div: #4ade80;     /* mint */
  --t-div-2: #16a34a;
  --t-mix: #ff6ad5;     /* rainbow pink */
  --t-mix-2: #7c3aed;

  /* Shadows — layered, soft, premium */
  --sh-sm: 0 2px 6px rgba(12, 4, 40, .35), 0 1px 2px rgba(12, 4, 40, .25);
  --sh-md: 0 8px 20px rgba(12, 4, 40, .45), 0 3px 6px rgba(12, 4, 40, .30);
  --sh-lg: 0 18px 44px rgba(8, 2, 30, .55), 0 6px 14px rgba(8, 2, 30, .40);
  --sh-pop: 0 22px 60px rgba(8, 2, 30, .65), 0 8px 20px rgba(8, 2, 30, .45);
  --inset-hi: inset 0 2px 0 rgba(255, 255, 255, .35);
  --inset-lo: inset 0 -3px 0 rgba(0, 0, 0, .18);

  /* Motion */
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  --smooth: cubic-bezier(.4, .8, .3, 1);
  --snappy: cubic-bezier(.2, .9, .25, 1);

  /* Radii */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-pill: 999px;

  --font-d: 'Fredoka', system-ui, sans-serif;
  --font-b: 'Nunito', system-ui, sans-serif;
}

/* ---------- 2. Reset / Base ---------- */
* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-b);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(124, 58, 237, .45), transparent 60%),
    radial-gradient(1000px 600px at 110% 20%, rgba(56, 217, 224, .22), transparent 55%),
    radial-gradient(900px 700px at 50% 120%, rgba(255, 213, 74, .12), transparent 60%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Twinkling stars layer via pseudo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1.5px 1.5px at 20% 30%, rgba(255,255,255,.9), transparent),
    radial-gradient(1.5px 1.5px at 70% 20%, rgba(255,255,255,.7), transparent),
    radial-gradient(1px 1px at 40% 70%, rgba(255,255,255,.8), transparent),
    radial-gradient(1.5px 1.5px at 85% 60%, rgba(255,213,74,.8), transparent),
    radial-gradient(1px 1px at 55% 45%, rgba(255,255,255,.6), transparent),
    radial-gradient(1.5px 1.5px at 10% 80%, rgba(168,85,247,.8), transparent),
    radial-gradient(1px 1px at 90% 90%, rgba(255,255,255,.7), transparent);
  background-size: 100% 100%;
  opacity: .6;
  z-index: 0;
}

/* ---------- 3. Layout / Views ---------- */
.view {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 20px 16px 36px;
  min-height: 100vh;
}

/* ---------- 4. Typography helpers ---------- */
.app-title,
h1, h2, h3 {
  font-family: var(--font-d);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

/* ---------- 5. HOME ---------- */
.home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
}

.app-title {
  font-size: clamp(30px, 8vw, 42px);
  margin: 0;
  background: linear-gradient(100deg, #fff 0%, var(--violet-bright) 55%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 4px 18px rgba(124, 58, 237, .35);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.app-title span {
  -webkit-text-fill-color: initial;
  color: initial;
  background: none;
  filter: drop-shadow(0 4px 8px rgba(255, 213, 74, .5));
  font-size: 0.85em;
  animation: title-bob 3.2s ease-in-out infinite;
}
@keyframes title-bob {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-4px) rotate(4deg); }
}

/* XP gem pill */
.points-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px 9px 12px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, rgba(255, 213, 74, .22), rgba(245, 184, 0, .12));
  border: 1.5px solid rgba(255, 213, 74, .55);
  color: var(--gold);
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 16px;
  box-shadow: var(--sh-sm), inset 0 1px 0 rgba(255, 255, 255, .25);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.points-pill::before {
  content: "";
  position: absolute;
  top: -50%; left: -30%;
  width: 60%; height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
  transform: rotate(20deg);
  animation: gem-shine 4s ease-in-out infinite;
}
@keyframes gem-shine {
  0%, 60%, 100% { transform: translateX(-200%) rotate(20deg); }
  80% { transform: translateX(300%) rotate(20deg); }
}
#home-points {
  color: #fff;
  font-weight: 700;
  min-width: 1ch;
  text-align: right;
  text-shadow: 0 1px 4px rgba(0,0,0,.3);
}

.home-tagline {
  margin: -4px 2px 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  max-width: 44ch;
}

/* Topic grid — quest portals */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.topic-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  height: 150px;
  padding: 16px 16px 14px;
  border: none;
  border-radius: var(--r-lg);
  color: #fff;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-b);
  overflow: hidden;
  isolation: isolate;
  transition: transform .22s var(--spring), box-shadow .25s var(--smooth);
  box-shadow: var(--sh-md), var(--inset-hi), var(--inset-lo);
}
.topic-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--tile-bg, linear-gradient(160deg, var(--violet-bright), var(--violet)));
  transition: filter .25s var(--smooth);
}
.topic-btn::after {
  /* soft glow ring */
  content: "";
  position: absolute;
  inset: -2px;
  z-index: -2;
  border-radius: inherit;
  background: var(--tile-bg);
  filter: blur(18px);
  opacity: .35;
  transition: opacity .25s var(--smooth);
}
.topic-btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--sh-lg), var(--inset-hi), var(--inset-lo);
}
.topic-btn:hover::after { opacity: .6; }
.topic-btn:hover::before { filter: saturate(1.15) brightness(1.05); }
.topic-btn:active { transform: translateY(-1px) scale(.98); }
.topic-btn:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

/* Topic colors */
.topic-addition {
  --tile-bg: linear-gradient(160deg, var(--t-add) 0%, var(--t-add-2) 100%);
}
.topic-subtraction {
  --tile-bg: linear-gradient(160deg, var(--t-sub) 0%, var(--t-sub-2) 100%);
}
.topic-multiplication {
  --tile-bg: linear-gradient(160deg, var(--t-mul) 0%, var(--t-mul-2) 100%);
}
.topic-division {
  --tile-bg: linear-gradient(160deg, var(--t-div) 0%, var(--t-div-2) 100%);
}
.topic-mixed {
  --tile-bg: linear-gradient(120deg, var(--t-mix) 0%, var(--t-mul) 50%, var(--t-add) 100%);
}
.topic-mixed::after { background: linear-gradient(120deg, var(--t-mix), var(--t-mul), var(--t-add)); }

.topic-emoji {
  font-size: 38px;
  line-height: 1;
  filter: drop-shadow(0 3px 6px rgba(0,0,0,.3));
  transition: transform .3s var(--spring);
}
.topic-btn:hover .topic-emoji { transform: scale(1.15) rotate(-6deg); }

.topic-name {
  font-family: var(--font-d);
  font-weight: 700;
  font-size: 19px;
  color: #fff;
  text-shadow: 0 2px 6px rgba(0,0,0,.25);
}
.topic-level {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: rgba(255,255,255,.92);
  background: rgba(0,0,0,.22);
  padding: 3px 9px;
  border-radius: var(--r-pill);
  align-self: flex-start;
}

/* Options row */
.home-options {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
}

.timer-option {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  cursor: pointer;
  user-select: none;
}
.timer-option input {
  appearance: none;
  -webkit-appearance: none;
  width: 44px;
  height: 26px;
  border-radius: var(--r-pill);
  background: rgba(255,255,255,.15);
  border: 2px solid var(--line);
  position: relative;
  cursor: pointer;
  transition: background .2s var(--smooth);
  flex: none;
}
.timer-option input::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 3px;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,.3);
  transition: left .22s var(--spring);
}
.timer-option input:checked {
  background: linear-gradient(90deg, var(--violet-bright), var(--violet));
  border-color: transparent;
}
.timer-option input:checked::after { left: 21px; }
.timer-option input:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.link-btn {
  appearance: none;
  border: none;
  background: rgba(255,255,255,.10);
  color: var(--ink);
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--sh-sm), var(--inset-hi);
  transition: transform .18s var(--spring), background .2s var(--smooth);
  margin-left: auto;
}
.link-btn:hover { transform: translateY(-2px); background: rgba(255,255,255,.16); }
.link-btn:active { transform: translateY(0) scale(.97); }
.link-btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.link-btn.danger {
  background: linear-gradient(180deg, rgba(251,113,133,.22), rgba(251,113,133,.12));
  color: #ffd6de;
  border: 1.5px solid rgba(251,113,133,.45);
}
.link-btn.danger:hover {
  background: linear-gradient(180deg, rgba(251,113,133,.35), rgba(251,113,133,.2));
  color: #fff;
}

/* Badge strip */
.badge-strip {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 8px 10px;
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 14px;
  color: #fff6d6;
  border-radius: var(--r-pill);
  background: linear-gradient(160deg, rgba(255,213,74,.25), rgba(245,184,0,.12));
  border: 1.5px solid rgba(255,213,74,.5);
  box-shadow: var(--sh-sm), var(--inset-hi);
  transition: transform .25s var(--spring);
}
.badge span { font-size: 18px; }
.badge:hover { transform: translateY(-2px) scale(1.04); }
.badge-hint {
  flex: 1;
  min-width: 0;
  align-self: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-mute);
}

/* ---------- 6. SESSION ---------- */
.session-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm), var(--inset-hi);
}

.session-topic {
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 16px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Streak — fiery meter (JS leaves it empty when there is no streak) */
.streak {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 14px;
  color: #fff;
  background: linear-gradient(180deg, rgba(255,122,24,.35), rgba(245,80,30,.20));
  border: 1.5px solid rgba(255,140,40,.55);
  box-shadow: 0 0 14px rgba(255,122,24,.4), var(--inset-hi);
  text-shadow: 0 1px 3px rgba(0,0,0,.3);
  animation: streak-glow 2.4s ease-in-out infinite;
}
.streak:empty { display: none; }
@keyframes streak-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(255,122,24,.35), var(--inset-hi); }
  50% { box-shadow: 0 0 22px rgba(255,122,24,.65), var(--inset-hi); }
}

/* Progress dots — journey pips */
.dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 4px 0 8px;
}
.dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  box-shadow: inset 0 1px 2px rgba(0,0,0,.25);
  transition: all .3s var(--spring);
}
.dot.done {
  background: linear-gradient(180deg, var(--green), var(--green-deep));
  box-shadow: 0 0 10px rgba(52,211,153,.6), var(--inset-hi);
  transform: scale(1.1);
}
.dot.now {
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
  box-shadow: 0 0 14px rgba(255,213,74,.85), var(--inset-hi);
  transform: scale(1.4);
  animation: dot-pulse 1.2s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { transform: scale(1.4); }
  50% { transform: scale(1.6); }
}

.q-number {
  text-align: center;
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* Timer bar */
.timer-wrap {
  height: 10px;
  border-radius: var(--r-pill);
  background: rgba(255,255,255,.10);
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0,0,0,.3);
}
.timer-bar {
  height: 100%;
  width: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--gold) 55%, var(--amber) 80%, var(--rose));
  box-shadow: 0 0 12px rgba(255,213,74,.5);
  transform-origin: left center;
  transition: width .95s linear;
}

/* Question — the arena */
.question {
  text-align: center;
  font-family: var(--font-d);
  font-weight: 700;
  font-size: clamp(38px, 11vw, 58px);
  line-height: 1.05;
  letter-spacing: .01em;
  color: #fff;
  padding: 26px 18px 14px;
  text-shadow: 0 4px 24px rgba(124,58,237,.45);
}
.question::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  margin: 14px auto 0;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--violet-bright), var(--gold));
}

/* Answer display */
.answer-display {
  text-align: center;
  font-family: var(--font-d);
  font-weight: 700;
  font-size: clamp(46px, 14vw, 72px);
  line-height: 1;
  color: var(--ink);
  min-height: 1.2em;
  padding: 10px 18px;
  margin: 4px auto 8px;
  min-width: 2ch;
  border-radius: var(--r-lg);
  background: var(--surface-2);
  border: 2px solid var(--line);
  box-shadow: var(--inset-hi), inset 0 -4px 12px rgba(0,0,0,.18);
  display: inline-block;
  align-self: center;
  transition: transform .2s var(--spring), background .25s var(--smooth), border-color .25s var(--smooth), color .25s var(--smooth);
}
.answer-display:empty::before {
  content: "?";
  color: var(--ink-mute);
  opacity: .5;
}
.answer-display.correct {
  color: #06281c;
  background: linear-gradient(180deg, var(--green), var(--green-deep));
  border-color: rgba(255,255,255,.6);
  box-shadow: 0 0 32px rgba(52,211,153,.7), var(--inset-hi);
  animation: pop-correct .5s var(--spring);
}
.answer-display.wrong {
  color: #3a2400;
  background: linear-gradient(180deg, var(--amber), var(--amber-deep));
  border-color: rgba(255,255,255,.5);
  box-shadow: 0 0 26px rgba(251,191,36,.6), var(--inset-hi);
  animation: shake-wrong .5s var(--smooth);
}
@keyframes pop-correct {
  0% { transform: scale(.85); }
  50% { transform: scale(1.12); }
  100% { transform: scale(1); }
}
@keyframes shake-wrong {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px) rotate(-1deg); }
  40% { transform: translateX(8px) rotate(1deg); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

/* Feedback */
.feedback {
  text-align: center;
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 16px;
  min-height: 1.4em;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  align-self: center;
  transition: opacity .2s var(--smooth);
}
.feedback.good {
  color: #d6fff0;
  background: rgba(52,211,153,.18);
  border: 1.5px solid rgba(52,211,153,.45);
}
.feedback.gentle {
  color: #ffe9b3;
  background: rgba(251,191,36,.18);
  border: 1.5px solid rgba(251,191,36,.45);
}

/* Number pad — tactile keys */
.number-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 4px;
}
.number-pad button {
  appearance: none;
  border: none;
  height: 64px;
  border-radius: var(--r-md);
  font-family: var(--font-d);
  font-weight: 700;
  font-size: 26px;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(180deg, #3a2580 0%, #2a1860 100%);
  box-shadow: var(--sh-md), var(--inset-hi), var(--inset-lo);
  transition: transform .12s var(--spring), box-shadow .12s var(--smooth), filter .15s var(--smooth);
  -webkit-tap-highlight-color: transparent;
}
.number-pad button:hover {
  filter: brightness(1.12);
  transform: translateY(-2px);
}
.number-pad button:active {
  transform: translateY(2px) scale(.97);
  box-shadow: var(--sh-sm), var(--inset-hi);
}
.number-pad button:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.pad-back {
  background: linear-gradient(180deg, #4a3590 0%, #352275 100%) !important;
  font-size: 24px !important;
}
.pad-check {
  background: linear-gradient(180deg, var(--green) 0%, var(--green-deep) 100%) !important;
  color: #06281c !important;
  font-size: 30px !important;
  box-shadow: 0 8px 20px rgba(52,211,153,.4), var(--inset-hi), var(--inset-lo) !important;
}
.pad-check:hover { box-shadow: 0 12px 28px rgba(52,211,153,.55), var(--inset-hi) !important; }

/* ---------- 7. RESULTS ---------- */
.results-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  padding: 30px 22px 26px;
  margin: 10px auto;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(124,58,237,.25), transparent 60%),
    linear-gradient(180deg, var(--surface-strong), #1f1252);
  border: 1.5px solid rgba(255,255,255,.14);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-pop), var(--inset-hi);
  animation: card-rise .5s var(--spring);
}
@keyframes card-rise {
  from { transform: translateY(20px) scale(.96); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.results-card h2 {
  font-size: 26px;
  margin: 0;
  color: var(--ink);
}

.result-score {
  font-family: var(--font-d);
  font-weight: 700;
  font-size: clamp(56px, 18vw, 84px);
  line-height: 1;
  background: linear-gradient(120deg, var(--gold) 0%, var(--violet-bright) 60%, var(--t-sub) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 8px 30px rgba(124,58,237,.35);
  margin: 4px 0;
}

.result-points {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 17px;
  color: var(--gold);
  background: rgba(255,213,74,.12);
  border: 1.5px solid rgba(255,213,74,.4);
  padding: 7px 16px;
  border-radius: var(--r-pill);
  box-shadow: var(--sh-sm), var(--inset-hi);
}

.result-message {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-soft);
  max-width: 40ch;
  margin: 0;
}

/* New badge reveal — a celebratory pill (JS puts a text label inside) */
#result-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.new-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-d);
  font-weight: 700;
  font-size: 15px;
  color: #3a2400;
  background: radial-gradient(circle at 30% 30%, #fff6d6, var(--gold) 58%, var(--gold-deep));
  padding: 10px 20px;
  border-radius: var(--r-pill);
  box-shadow: 0 0 0 4px rgba(255,213,74,.22), 0 0 30px rgba(255,213,74,.5), var(--sh-md);
  animation: badge-pop .6s var(--spring) both;
}
.new-badge span { font-size: 20px; }
@keyframes badge-pop {
  0% { transform: scale(.4); opacity: 0; }
  60% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); }
}

.result-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

.big-btn {
  appearance: none;
  border: none;
  padding: 15px 28px;
  border-radius: var(--r-pill);
  font-family: var(--font-d);
  font-weight: 700;
  font-size: 17px;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(180deg, var(--violet-bright), var(--violet));
  box-shadow: var(--sh-md), var(--inset-hi), var(--inset-lo);
  transition: transform .18s var(--spring), box-shadow .2s var(--smooth), filter .2s var(--smooth);
  min-height: 52px;
}
.big-btn:hover { transform: translateY(-3px) scale(1.03); box-shadow: var(--sh-lg), var(--inset-hi); filter: brightness(1.08); }
.big-btn:active { transform: translateY(1px) scale(.97); }
.big-btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.big-btn.primary {
  background: linear-gradient(180deg, var(--green), var(--green-deep));
  color: #06281c;
  box-shadow: 0 8px 22px rgba(52,211,153,.45), var(--inset-hi), var(--inset-lo);
}

#result-again,
#result-home { min-height: 52px; }

/* ---------- 8. PARENTS ---------- */
.parents {
  gap: 16px;
  padding-top: 26px;
}
.parents-header h2 {
  font-size: clamp(28px, 7vw, 36px);
  margin: 0 0 4px;
  background: linear-gradient(100deg, #fff, var(--violet-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.parents-header p,
.parents p {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 4px 0 0;
}
.parents h3 {
  font-size: 18px;
  margin: 14px 0 6px;
  color: var(--ink);
}

.parent-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.stat-card {
  padding: 16px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm), var(--inset-hi);
  text-align: center;
}
.stat-value {
  display: block;
  font-family: var(--font-d);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  background: linear-gradient(120deg, var(--gold), var(--violet-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--sh-sm);
}
.parent-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 320px;
}
.parent-table th {
  text-align: left;
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding: 12px 14px;
  background: rgba(255,255,255,.06);
  border-bottom: 1px solid var(--line);
}
.parent-table td {
  padding: 12px 14px;
  color: var(--ink);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.parent-table tbody tr:nth-child(odd) {
  background: rgba(255,255,255,.04);
}
.parent-table tbody tr:last-child td { border-bottom: none; }

.session-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.session-list li {
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  box-shadow: var(--sh-sm);
}
.session-list li.empty {
  text-align: center;
  color: var(--ink-mute);
  font-style: italic;
  font-weight: 600;
}

.tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tips li {
  position: relative;
  padding: 11px 14px 11px 36px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  font-weight: 600;
}
.tips li::before {
  content: "✦";
  position: absolute;
  left: 12px; top: 13px;
  color: var(--gold);
  font-size: 16px;
}

#btn-reset-progress {
  margin: 8px 0 4px;
  align-self: flex-start;
}

/* ---------- 9. Responsive enhancement ---------- */
@media (min-width: 600px) {
  .view {
    padding: 28px 20px 44px;
    gap: 22px;
  }
  .app-title { font-size: 48px; }
  .home-tagline { font-size: 16px; }
  .topic-grid { gap: 18px; }
  .topic-btn { height: 168px; padding: 20px; }
  .topic-emoji { font-size: 46px; }
  .topic-name { font-size: 22px; }
  .question { font-size: 64px; padding: 34px 18px 18px; }
  .answer-display { font-size: 80px; }
  .number-pad { gap: 12px; }
  .number-pad button { height: 76px; font-size: 30px; }
  .pad-check { font-size: 34px !important; }
  .pad-back { font-size: 28px !important; }
  .results-card { padding: 38px 30px 32px; }
  .parent-stats { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- 10. Reduced motion guard ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .app-title span { transform: none; }
  .dot.now { transform: scale(1.3); }
}