/* style.css — Light & Clean (Eye-Comfort), Mobile-First */

:root{
  --bg0:#faf9f7;
  --bg1:#f5f4f2;
  --card:rgba(255,255,252,.85);
  --card2:rgba(255,255,252,.92);
  --stroke:rgba(0,0,0,.06);
  --stroke2:rgba(0,0,0,.10);

  --text:#3d3d3d;
  --muted:#6b6b6b;

  --accent:#7ba3b0;
  --accent2:#9ab8c4;

  --good:#6b9b6b;
  --bad:#c45c5c;
  --warn:#c9a227;

  --shadow: 0 12px 40px rgba(0,0,0,.08);
  --shadow2: 0 8px 24px rgba(0,0,0,.06);

  --r:20px;
  --pad:18px;

  --touch-min: 48px;

  --safe-top: env(safe-area-inset-top);
  --safe-bottom: env(safe-area-inset-bottom);
  --safe-left: env(safe-area-inset-left);
  --safe-right: env(safe-area-inset-right);
}

*{ 
  box-sizing:border-box;
  -webkit-tap-highlight-color: transparent;
}

html,body{ 
  height:100%;
  overscroll-behavior: none;
}

body{
  margin:0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1000px 600px at 15% 5%, rgba(168,181,196,.15), transparent 50%),
    radial-gradient(800px 500px at 88% 15%, rgba(154,184,184,.12), transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  display:flex;
  align-items:center;
  justify-content:center;
  padding: max(16px, var(--safe-top)) max(16px, var(--safe-right)) max(16px, var(--safe-bottom)) max(16px, var(--safe-left));
  -webkit-user-select: none;
  user-select: none;
  min-height: 100vh;
  min-height: -webkit-fill-available;
}

.question,
.option,
.modalBody p,
.modalBody ul,
.smallLine {
  -webkit-user-select: text;
  user-select: text;
}

.app{
  width: 100%;
  max-width: 560px;
  min-height: calc(100vh - 32px);
  min-height: calc(-webkit-fill-available - 32px);
}

.card{
  background: linear-gradient(180deg, var(--card), var(--card2));
  border:1px solid var(--stroke);
  border-radius: clamp(18px, 4vw, 28px);
  box-shadow: var(--shadow);
  overflow:hidden;
  backdrop-filter: blur(18px);
  min-height: inherit;
  display: flex;
  flex-direction: column;
}

.header{
  padding: clamp(14px, 3.5vw, 20px) clamp(16px, 4vw, 24px) clamp(12px, 3vw, 14px);
  border-bottom:1px solid var(--stroke);
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, var(--card), var(--card2));
}

.headerRow{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

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

.heartsWrap{
  display: inline-flex;
  gap: 4px;
}

.heart{
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--stroke);
}
.heart.full{ background: var(--bad); }
.heart.empty{ opacity: .35; }

.xpTokens{
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 13px);
  color: var(--muted);
}

.btnIcon{
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  padding: 0;
  border: 1px solid var(--stroke);
  border-radius: 50%;
  background: rgba(255,255,255,.6);
  font-size: 1.2rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
}
.btnIcon:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }
.btnIcon:active{ transform: scale(0.96); }

.title{
  font-weight:800;
  letter-spacing:-.02em;
  font-size: clamp(24px, 6vw, 34px);
}

.pills{
  display:flex;
  gap:clamp(8px, 2vw, 10px);
  flex-wrap:wrap;
  margin-top:clamp(10px, 2.5vw, 12px);
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:clamp(6px, 1.5vw, 8px);
  padding:clamp(6px, 1.5vw, 8px) clamp(10px, 2.5vw, 12px);
  border-radius:999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.55);
  color: var(--muted);
  font-weight:600;
  font-size: clamp(12px, 3vw, 14px);
}

.pill strong{ color:var(--text); font-weight:800; }

.pill.red{
  background: rgba(255,59,92,0.14);
  border-color: rgba(255,59,92,0.35);
  color: #cc2244;
}

.pill.red strong{ color: #ff3344; }

.content{
  padding: clamp(16px, 4vw, 18px) clamp(16px, 4vw, 24px) clamp(18px, 4.5vw, 22px) clamp(16px, 4vw, 24px);
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.view{ display:none; }
.view.active{ display:block; }

.heroTitle{
  margin-top: clamp(40px, 10vw, 60px);
  font-size: clamp(32px, 8vw, 44px);
  font-weight: 950;
  letter-spacing: 0.5px;
  text-shadow: 0 0 30px rgba(47,123,255,0.25);
}

.heroSub{
  margin-top: clamp(8px, 2vw, 10px);
  color: var(--muted);
  font-size: clamp(13px, 3.2vw, 14px);
  line-height: 1.35;
}

.hubSection{
  margin-top: 18px;
}

.hubSection:first-of-type{ margin-top: 28px; }

.label{
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--muted);
  font-size: clamp(13px, 3vw, 14px);
}

.actionsHub{ margin-top: 28px; }

.settingsModal .modalBody .settingsRow{
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.settingsModal .modalFoot{ display: flex; gap: 10px; flex-wrap: wrap; }
.settingsModal .modalFoot .btn{ flex: 1; min-width: 120px; }

.row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(10px, 2.5vw, 12px);
  margin-bottom:clamp(12px, 3vw, 14px);
}

.topic{
  font-weight:700;
  font-size:clamp(12px, 3vw, 14px);
  color: rgba(13,22,48,.72);
}

.counter{
  font-weight:700;
  font-size:clamp(11px, 2.8vw, 13px);
  color: rgba(13,22,48,.58);
  white-space: nowrap;
}

.question{
  font-size: clamp(24px, 6vw, 34px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing:-.02em;
  margin: clamp(8px, 2vw, 10px) 0 clamp(14px, 3.5vw, 18px) 0;
  word-wrap: break-word;
  hyphens: auto;
}

.question-image-container{
  margin: clamp(14px, 3.5vw, 18px) 0;
  border-radius: clamp(14px, 3.5vw, 18px);
  overflow: hidden;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.52);
  box-shadow: var(--shadow2);
}

.question-image{
  width: 100%;
  height: auto;
  display: block;
  max-height: min(400px, 40vh);
  object-fit: contain;
}

.options{
  display:flex;
  flex-direction:column;
  gap:clamp(10px, 2.5vw, 12px);
}

.option{
  min-height: var(--touch-min);
  padding: clamp(14px, 3.5vw, 18px) clamp(14px, 3.5vw, 18px);
  border-radius: clamp(14px, 3.5vw, 18px);
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.52);
  box-shadow: var(--shadow2);
  font-size: clamp(18px, 4.5vw, 24px);
  font-weight: 800;
  cursor:pointer;
  user-select:none;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
  touch-action: manipulation;
}
.option:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }

.option:active{
  transform: scale(0.98);
  border-color: rgba(123,163,176,.28);
}

.option.selected{
  border-color: rgba(123,163,176,.55);
  background: rgba(123,163,176,.12);
  transform: scale(1.02);
}

.option.correct{
  border-color: rgba(107,155,107,.55);
  background: rgba(107,155,107,.12);
}

.option.wrong{
  border-color: rgba(196,92,92,.55);
  background: rgba(196,92,92,.10);
}

.option.optEliminated{
  opacity: 0.45;
  pointer-events: none;
  text-decoration: line-through;
  cursor: default;
}

.actions{
  margin-top:clamp(14px, 3.5vw, 16px);
  display:flex;
  flex-direction:column;
  gap:clamp(10px, 2.5vw, 12px);
}

.actions.two{
  flex-direction: row;
}

.actions.two .btn{
  flex: 1;
}

.btn{
  width:100%;
  min-height: var(--touch-min);
  padding: clamp(14px, 3.5vw, 18px) clamp(14px, 3.5vw, 18px);
  border-radius: clamp(14px, 3.5vw, 18px);
  border:1px solid var(--stroke);
  font-weight: 900;
  font-size: clamp(18px, 4.5vw, 26px);
  cursor:pointer;
  background: rgba(255,255,255,.60);
  color: var(--text);
  box-shadow: var(--shadow2);
  transition: transform .15s ease;
  touch-action: manipulation;
}
.btn:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }

.btn.primary{
  border:none;
  color:white;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}

.btn:disabled{
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:active{ transform: scale(0.98); }

.timerWrap{
  margin-top:clamp(12px, 3vw, 14px);
  border-radius:999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.55);
  overflow:hidden;
  height:clamp(8px, 2vw, 10px);
}

.timerBar{
  height:100%;
  width:100%;
  background: linear-gradient(90deg, var(--warn), var(--accent), var(--accent2));
  transition: width 1s linear;
}

.timerBonusWrap{
  margin-top: 6px;
  text-align: center;
  font-weight: 800;
  font-size: clamp(13px, 3vw, 14px);
  color: var(--good);
}
.timerBonusWrap.timerBonusFlash{
  animation: timerBonusPop 1.2s ease-out;
}
@keyframes timerBonusPop {
  0% { opacity: 0; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1.15); }
  70% { opacity: 1; transform: scale(1); }
  100% { opacity: 0.7; transform: scale(1); }
}

.cardShake{
  animation: cardShake 0.5s ease-in-out;
}
@keyframes cardShake {
  0%, 100% { transform: translateX(0); }
  15% { transform: translateX(-8px); }
  30% { transform: translateX(8px); }
  45% { transform: translateX(-6px); }
  60% { transform: translateX(4px); }
  75% { transform: translateX(-2px); }
}

.cardGlow{
  animation: cardGlow 0.6s ease-out;
}
@keyframes cardGlow {
  0% { box-shadow: var(--shadow); }
  40% { box-shadow: 0 0 0 4px rgba(107,155,107,0.4), var(--shadow); }
  100% { box-shadow: var(--shadow); }
}

.smallLine{
  margin-top:clamp(8px, 2vw, 10px);
  text-align:center;
  color: rgba(13,22,48,.60);
  font-weight:700;
  font-size:clamp(12px, 3vw, 13px);
}

.hidden{ display:none !important; }

.modalBack{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.30);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: max(16px, var(--safe-top)) max(16px, var(--safe-right)) max(16px, var(--safe-bottom)) max(16px, var(--safe-left));
  z-index:1000;
  overflow: hidden;
}

.modal{
  width: 100%;
  max-width: 560px;
  max-height: calc(100vh - 32px);
  max-height: calc(-webkit-fill-available - 32px);
  background: rgba(255,255,255,.86);
  border:1px solid var(--stroke2);
  border-radius: clamp(18px, 4vw, 26px);
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
}

.modalHead{
  padding:clamp(14px, 3.5vw, 18px) clamp(16px, 4vw, 20px);
  border-bottom:1px solid var(--stroke);
  font-size:clamp(16px, 4vw, 18px);
  font-weight:900;
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.86);
  z-index: 1;
}

.modalBody{
  padding:clamp(14px, 3.5vw, 18px) clamp(16px, 4vw, 20px) clamp(16px, 4vw, 20px) clamp(16px, 4vw, 20px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  flex: 1;
}

.modalBody p{
  margin:0 0 clamp(10px, 2.5vw, 12px) 0;
  color: rgba(13,22,48,.72);
  font-weight:700;
  font-size: clamp(14px, 3.5vw, 15px);
}

.modalBody ul{
  margin:0;
  padding-left:clamp(16px, 4vw, 18px);
  color: rgba(13,22,48,.70);
  font-weight:700;
  font-size: clamp(13px, 3.2vw, 14px);
}

.modalBody li{
  margin-bottom: clamp(6px, 1.5vw, 8px);
}

.modalFoot{
  padding:clamp(12px, 3vw, 16px) clamp(16px, 4vw, 20px);
  border-top:1px solid var(--stroke);
  position: sticky;
  bottom: 0;
  background: rgba(255,255,255,.86);
}

.modalFoot .btn{
  font-size:clamp(16px, 4vw, 18px);
  padding:clamp(12px, 3vw, 14px) clamp(14px, 3.5vw, 16px);
}

.select{
  width:100%;
  min-height: var(--touch-min);
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.60);
  color: var(--text);
  padding: clamp(12px, 3vw, 14px) clamp(12px, 3vw, 14px);
  border-radius: clamp(12px, 3vw, 14px);
  font-weight: 800;
  font-size: max(16px, clamp(14px, 3.5vw, 15px));
  outline:none;
  cursor:pointer;
  transition: border-color .15s ease;
  touch-action: manipulation;
}
.select:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }

.select:focus{
  border-color: rgba(123,163,176,0.6);
}

.select option{
  background: #ffffff;
  color: #0d1630;
}

.app.redMode{
  background: radial-gradient(1000px 600px at 30% 10%, rgba(255,59,92,0.22), transparent 55%),
              radial-gradient(900px 650px at 80% 20%, rgba(255,59,92,0.18), transparent 60%),
              linear-gradient(180deg, #24070d, #0b1020);
}

.app.redMode .card{
  background: linear-gradient(180deg, rgba(60,12,22,0.92), rgba(14,22,43,0.92));
  border-color: rgba(255,59,92,0.20);
}

.app.redMode .header{
  background: linear-gradient(180deg, rgba(60,12,22,0.92), rgba(14,22,43,0.55));
  border-bottom-color: rgba(255,59,92,0.15);
}

.app.redMode .title{
  color: #ffd6dd;
}

.app.redMode .pill{
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,59,92,0.25);
  color: #ffb3c1;
}

.app.redMode .pill strong{
  color: #ffd6dd;
}

.app.redMode .question{
  color: #ffd6dd;
}

.app.redMode .topic,
.app.redMode .counter{
  color: rgba(255,214,221,0.72);
}

.app.redMode .option{
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,59,92,0.20);
  color: #ffd6dd;
}

.app.redMode .option:active{
  border-color: rgba(255,59,92,0.40);
}

.app.redMode .option.selected{
  border-color: rgba(255,59,92,0.65);
  background: rgba(255,59,92,0.18);
}

.app.redMode .timerWrap{
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,59,92,0.20);
}

.app.redMode .timerBar{
  background: linear-gradient(90deg, rgba(255,59,92,0.95), rgba(255,176,32,0.95));
}

@media (min-width: 768px) {
  body { padding: 28px; }
  .app { min-height: auto; }
  
  .option:hover{
    transform: translateY(-1px);
    border-color: rgba(123,163,176,.28);
  }
  
  .app.redMode .option:hover{
    border-color: rgba(255,59,92,0.40);
  }
}

@media (max-height: 600px) and (orientation: landscape) {
  .heroTitle { margin-top: 20px; }
  .content { padding-top: 12px; padding-bottom: 12px; }
  .question { font-size: clamp(20px, 5vw, 28px); }
  .option { padding: 12px 14px; }
}

/* Setup Flow Styles */
.pickRow {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pick {
  flex: 1;
  min-width: 120px;
  padding: 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--stroke);
  font-weight: 900;
  cursor: pointer;
  user-select: none;
  transition: transform .06s ease, background .18s ease, border-color .18s ease;
  text-align: center;
  touch-action: manipulation;
}

.pick:active {
  transform: scale(0.995);
}

.pick.selected {
  border-color: rgba(47,123,255,0.65);
  background: rgba(47,123,255,0.18);
}

.sectionTitle {
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.cardNote {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.mixPackB {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid var(--stroke);
  border-radius: 14px;
  background: rgba(255,255,255,0.3);
}