/* ============================================
 * Learny EDU — Oyun Tabanı (Base CSS)
 * Duolingo skin: yeşil dominant, 3D buton (4px alt çizgi),
 * uppercase ana action, heart/streak/xp HUD üçlüsü.
 * Tüm POC oyunlar bunu import eder.
 * Class isimleri korunur (HTML dokunulmaz).
 * ============================================ */

:root {
  --bg:        #ffffff;
  --card:      #ffffff;
  --ink:       #3c3c3c;
  --ink-2:     #5e6378;
  --ink-3:     #afafaf;
  --line:      #e5e5e5;
  --line-2:    #d6d6d6;
  --slot:      #f0f0f0;
  --slot-line: #d6d6d6;
  --tint:      #ddf4ff;
  --tint-2:    #b8e7ff;
  /* mavi = info / seçim / focus (Duolingo'da link & selected state) */
  --hl:        #1cb0f6;
  --hl-2:      #0a91d3;
  --hl-deep:   #086fa3;
  /* yeşil = ana action / success (Duolingo'nun ikonik DEVAM yeşili) */
  --good:      #58cc02;
  --good-2:    #58a700;
  --good-deep: #3a7a00;
  --good-bg:   #d7ffb8;
  /* sarı/turuncu = XP, streak, warn */
  --warn:      #ffc800;
  --warn-2:    #e0a900;
  --warn-bg:   #fff3c4;
  --xp:        #ffc800;
  --xp-bg:     #fff3c4;
  --streak:    #ff9600;
  --streak-2:  #d97a00;
  --streak-bg: #ffe6c4;
  --bad:       #d6d6d6;
  --danger:    #ff4b4b;
  --danger-2:  #ea2b2b;
  --danger-bg: #ffdfe0;
  --magic:     #ce82ff;
  --magic-2:   #a855f7;
  --magic-bg:  #f3e6ff;
  /* krem zemin & sun-turuncu — POC-spesifik kimlik renkleri (mevsim yaz, kara-tahta operatör vb.)
     hex kullanmak yerine token: tema değişiminde tek dokunuş yeter */
  --cream:     #fef9c2;
  --cream-bg:  #fef9c2;
  --sun:       #f5b342;
  --shadow-1:  0 1px 2px rgba(15,30,60,.04), 0 2px 8px rgba(15,30,60,.04);
  --shadow-2:  0 4px 14px rgba(15,30,60,.08);
  --shadow-3:  0 12px 40px rgba(15,30,60,.18);
  /* 3D buton "kabuk" — alt 4px sabit kenar (Duolingo karakteristiği) */
  --btn-3d-good: 0 4px 0 var(--good-deep);
  --btn-3d-hl:   0 4px 0 var(--hl-deep);
  --btn-3d-line: 0 3px 0 var(--line-2);
  --r-sm:      10px;
  --r-md:      14px;
  --r-lg:      20px;
  --safe-bot:  max(12px, env(safe-area-inset-bottom));
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; height: 100%; overflow: hidden; }

/* ============================================
 * A11Y — focus-visible (klavye / projektör demosu)
 *  Mouse tıklamasında outline çıkmaz; sadece klavye Tab ile
 *  gezildiğinde Duolingo mavisi (--hl) outline gösterilir.
 *  Custom gradient option butonlarda da çalışsın diye genel
 *  selector'a yazılmıştır. POC inline override'ları bunu
 *  outline olduğu sürece bozmaz.
 * ============================================ */
.opt-btn:focus-visible,
.icon-btn:focus-visible,
.act:focus-visible,
.hdr__pill:focus-visible,
.modal__btn:focus-visible {
  outline: 3px solid var(--hl);
  outline-offset: 2px;
}

body {
  font-family: 'Nunito', 'din-round', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  user-select: none;
  -webkit-user-select: none;
  font-weight: 700;
}

/* ============================================
 * APP CONTAINER
 * ============================================ */
.app {
  max-width: 480px;
  margin: 0 auto;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 12px 14px var(--safe-bot);
  position: relative;
}

/* ============================================
 * HEADER
 * ============================================ */
.hdr {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.icon-btn {
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  cursor: pointer;
  background: var(--card);
  border-radius: 50%;
  display: grid; place-items: center;
  transition: transform .1s ease, border-color .15s, color .15s, box-shadow .15s;
  color: var(--ink-3);
}
.icon-btn:hover { color: var(--hl); border-color: var(--hl); }
.icon-btn:active { transform: scale(.94); }
.icon-btn svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

.hdr__pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 6px 12px 6px 8px;
  height: 40px;
  font-weight: 900; font-size: 14px; color: var(--ink);
  box-shadow: var(--shadow-1);
}
.hdr__pill svg { width: 18px; height: 18px; }
/* Duolingo HUD: heart=kırmızı, attempts=turuncu (streak), score=sarı (XP), moves=mavi */
.hdr__pill--lives        { color: var(--danger); border-color: var(--danger-bg); }
.hdr__pill--lives svg    { fill: var(--danger); }
.hdr__pill--lives.depleted        { color: var(--ink-3); border-color: var(--line); }
.hdr__pill--lives.depleted svg    { fill: var(--ink-3); }
.hdr__pill--attempts     { color: var(--streak); border-color: var(--streak-bg); }
.hdr__pill--attempts svg { stroke: var(--streak); fill: none; stroke-width: 2; }
.hdr__pill--score        { color: var(--warn-2); border-color: var(--xp-bg); }
.hdr__pill--score svg    { fill: var(--xp); }
.hdr__pill--moves        { color: var(--hl-2); border-color: var(--tint); }
.hdr__pill--moves svg    { stroke: var(--hl); fill: none; stroke-width: 2; }

.hdr__title {
  flex: 1;
  font-size: 18px;
  font-weight: 900;
  text-align: center;
  letter-spacing: -.2px;
  color: var(--ink);
}

/* ============================================
 * PROGRESS BAR (Duolingo lesson progress)
 *   Segment-based: her soru bir segment (correct=yeşil / wrong=kırmızı / pending=gri)
 *   Header'da X close → progress segments → can/score pill üçlüsü
 * ============================================ */
.hdr__progress {
  flex: 1;
  height: 14px;
  display: flex;
  gap: 3px;
  align-items: stretch;
  min-width: 0;
}
.hdr__progress__seg {
  flex: 1;
  min-width: 0;
  height: 100%;
  background: var(--line);
  border-radius: 999px;
  transition: background-color .3s ease, box-shadow .3s ease;
  position: relative;
  overflow: hidden;
}
.hdr__progress__seg.correct {
  background: linear-gradient(180deg, var(--good), var(--good-2));
}
.hdr__progress__seg.wrong {
  background: linear-gradient(180deg, var(--danger), var(--danger-2));
}
/* shine highlight üst tarafta — sadece dolu segment'lerde */
.hdr__progress__seg.correct::after,
.hdr__progress__seg.wrong::after {
  content: '';
  position: absolute;
  top: 2px; left: 25%; right: 25%;
  height: 3px;
  background: rgba(255, 255, 255, .4);
  border-radius: 999px;
}
/* progress varsa title gizlen (yer açmak için) */
.hdr:has(.hdr__progress) .hdr__title { display: none; }

/* ============================================
 * HOW-TO BANNER
 * ============================================ */
.how {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--tint);
  border: 1px solid #cbeaf9;
  border-radius: var(--r-lg);
  padding: 12px 14px;
  margin-bottom: 10px;
}
.how__num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--hl);
  color: #fff; font-weight: 900; font-size: 16px;
  display: grid; place-items: center;
  flex-shrink: 0;
  box-shadow: 0 2px 0 var(--hl-deep);
}
.how__txt { font-size: 13px; line-height: 1.4; color: var(--hl-deep); font-weight: 700; }
.how__txt b { color: var(--hl-2); }

/* ============================================
 * STAGE — generic oyun alanı
 * ============================================ */
.stage {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 14px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  margin-bottom: 10px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

/* ============================================
 * STATUS BAR
 * ============================================ */
.statusbar {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; margin-bottom: 8px;
  font-size: 13px; font-weight: 900;
  border-radius: var(--r-md);
  height: 36px;
  background: var(--tint);
  color: var(--hl-deep);
  border: 1px solid #cbeaf9;
  transition: background-color .25s, color .25s, border-color .25s;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.statusbar.checking { background: var(--xp-bg);     color: #8a6500;        border-color: #ffe9a8; }
.statusbar.win      { background: var(--good-bg);   color: var(--good-2);  border-color: #b6e98a; }
.statusbar.lose     { background: var(--danger-bg); color: var(--danger);  border-color: #ffc9cb; }
.statusbar.info     { background: var(--tint);      color: var(--hl-deep); border-color: #cbeaf9; }
.statusbar svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ============================================
 * FEEDBACK BANNER — Duolingo cevap-anı bildirim
 * ============================================ */
.feedback-banner {
  position: fixed; left: 0; right: 0; bottom: 0;
  padding: 18px 20px 22px;
  background: var(--good-bg);
  border-top: 4px solid var(--good);
  display: flex; align-items: center; gap: 14px;
  z-index: 100;
  transform: translateY(100%);
  transition: transform .35s cubic-bezier(.2,.9,.35,1);
}
.feedback-banner.show { transform: translateY(0); }
.feedback-banner.lose { background: var(--danger-bg); border-top-color: var(--danger); }
.feedback-banner__icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--good); color: #fff;
  display: grid; place-items: center;
  font-size: 24px; font-weight: 900;
  flex-shrink: 0;
}
.feedback-banner.lose .feedback-banner__icon { background: var(--danger); }
.feedback-banner__txt {
  flex: 1;
  font-size: 17px; font-weight: 900;
  color: var(--good-2);
  letter-spacing: .01em;
}
.feedback-banner.lose .feedback-banner__txt { color: var(--danger); }
.feedback-banner__btn {
  height: 48px;
  padding: 0 22px;
  background: var(--good); color: #fff;
  border: 2px solid var(--good-2);
  border-bottom-width: 4px;
  border-radius: var(--r-md);
  font-weight: 900; font-size: 15px;
  text-transform: uppercase; letter-spacing: .06em;
  cursor: pointer;
  transition: transform .1s ease, border-bottom-width .08s;
}
.feedback-banner__btn:active { transform: translateY(2px); border-bottom-width: 2px; }
.feedback-banner.lose .feedback-banner__btn {
  background: var(--danger); border-color: var(--danger-2, #b81717);
}

/* ============================================
 * CONTROLS / ACTIONS BAR
 * ============================================ */
.controls {
  background: var(--card);
  border-radius: var(--r-lg);
  padding: 14px 12px;
  border: 1px solid var(--line);
  margin-top: 6px;
  box-shadow: var(--shadow-1);
}
.controls__hint {
  text-align: center; font-size: 12px; font-weight: 800;
  color: var(--ink-3); margin-bottom: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.actions {
  display: grid;
  grid-template-columns: 56px 1fr 56px;
  gap: 10px;
  align-items: center;
}

.act {
  height: 56px;
  border: 2px solid var(--line);
  border-bottom-width: 4px;
  cursor: pointer;
  font-family: inherit; font-weight: 900; font-size: 14px;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  transition: transform .1s ease, opacity .2s, filter .2s, border-bottom-width .08s;
  background: var(--card);
  color: var(--ink-2);
}
.act:active { transform: translateY(2px); border-bottom-width: 2px; }
.act svg { width: 22px; height: 22px; }

.act--erase  { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.act--erase svg { stroke: var(--danger); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.act--undo   { background: var(--streak-bg); color: var(--streak-2); border-color: var(--streak); }
.act--undo svg { stroke: var(--streak-2); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.act--reset  { background: var(--card); color: var(--ink-2); border-color: var(--line-2); }
.act--reset svg { stroke: var(--ink-2); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.act--hint   { background: #fff7d6; color: #b8741b; border-color: #f5b342; }
.act--hint svg { stroke: #b8741b; fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

/* PRIMARY: Duolingo'nun ikonik yeşil DEVAM butonu */
.act--primary {
  background: var(--good);
  color: #fff;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-size: 16px;
  border: 2px solid var(--good-2);
  border-bottom-width: 4px;
  text-shadow: 0 1px 0 rgba(0,0,0,.15);
}
.act--primary:hover:not(:disabled) { filter: brightness(1.05); }
.act--primary:active { transform: translateY(2px); border-bottom-width: 2px; }
.act--primary:disabled {
  background: var(--bad); border-color: var(--bad);
  color: #fff; cursor: not-allowed; filter: none; opacity: 1;
}

.act--success {
  background: var(--good);
  color: #fff;
  border: 2px solid var(--good-2);
  border-bottom-width: 4px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.act--success:active { transform: translateY(2px); border-bottom-width: 2px; }

/* ============================================
 * SLOT (geneik daire/kare element)
 * ============================================ */
.slot {
  border-radius: 50%;
  background: var(--slot);
  border: 1px solid var(--slot-line);
  position: relative;
  cursor: pointer;
  transition: transform .12s ease, border-color .2s, box-shadow .2s, background-color .2s;
}
.slot:active { transform: scale(.92); }
.slot--square { border-radius: 12px; }
.slot--filled {
  background-size: 100% 100%; background-repeat: no-repeat; background-position: center;
  border-color: transparent;
  box-shadow: var(--shadow-1);
}

/* feedback states — modern "rim" tonu: tint zemin + 2px kenar (full-flood değil) */
.slot--correct {
  background-color: var(--good-bg) !important;
  border: 2px solid var(--good) !important;
  box-shadow: var(--shadow-1) !important;
  color: var(--good-2) !important;
}
.slot--wrong {
  background-color: var(--danger-bg) !important;
  border: 2px solid var(--danger) !important;
  box-shadow: var(--shadow-1) !important;
  color: var(--danger-2) !important;
}
/* görsel dolu slot'larda zemin transparan; sadece renkli halka */
.slot--filled.slot--correct {
  background-color: transparent !important;
  border: 2px solid var(--good) !important;
  box-shadow: 0 0 0 1px var(--good-bg), var(--shadow-1) !important;
}
.slot--filled.slot--wrong {
  background-color: transparent !important;
  border: 2px solid var(--danger) !important;
  box-shadow: 0 0 0 1px var(--danger-bg), var(--shadow-1) !important;
}
.slot--near {
  border: 2px solid var(--warn) !important;
  box-shadow: var(--shadow-1) !important;
}
.slot--checking {
  animation: pulse 1s ease-in-out infinite;
  border: 2px solid var(--warn) !important;
  box-shadow: var(--shadow-1) !important;
}

/* animations */
.pop { animation: pop .25s ease-out; }
@keyframes pop {
  0%   { transform: scale(.6); }
  60%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.08); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}
.shake { animation: shake .35s ease; }
@keyframes flash-good {
  0%, 100% { background: var(--card); }
  50%      { background: var(--good-bg); }
}
.flash-good { animation: flash-good .4s ease; }

@keyframes pop-bounce {
  0%   { transform: scale(.4) rotate(-8deg); opacity: 0; }
  60%  { transform: scale(1.18) rotate(4deg); opacity: 1; }
  80%  { transform: scale(.96) rotate(-2deg); }
  100% { transform: scale(1) rotate(0); }
}

/* ============================================
 * GRID generic
 * ============================================ */
.grid {
  display: grid;
  gap: 6px;
  margin: 0 auto;
}

/* ============================================
 * QUIZ POC COMPONENTS
 *   4-cevap çoktan seçmeli POC'lar için standard yerleşim:
 *     header → how → score-row → stage(clue-stage + options-grid)
 *           → statusbar → controls
 *
 *   - .score-row    üstte mini sayaç barı (Soru/Doğru/Hata)
 *   - .clue-stage   ipucu kartı (beyaz card + sol mavi vurgu çubuğu)
 *   - .options-grid 2×2 cevap ızgarası (container'sız, sade gap)
 *   - .opt-btn      Duolingo 3D buton (alt 4px çizgi, hover mavi tint)
 *
 *   Gizli ipucu li'leri: text transparent + soft shadow → "bir şey
 *   var ama okunamaz" hissi; .shown sınıfı verildiğinde açılır.
 *   :has() ile sadece bu component'leri kullanan POC'lar etkilenir.
 * ============================================ */
.score-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}
.sr-cell {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 6px;
  text-align: center;
  box-shadow: var(--shadow-1);
}
.sr-cell .num { font-size: 18px; font-weight: 900; color: var(--ink); }
.sr-cell .lbl { font-size: 10px; font-weight: 800; color: var(--ink-3); text-transform: uppercase; }

.clue-stage {
  width: 100%;
  max-width: 360px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 16px 16px 14px 20px;
  box-shadow: var(--shadow-1);
  color: var(--ink);
  position: relative;
}
.clue-stage::before {
  content: '';
  position: absolute;
  left: 8px; top: 14px; bottom: 14px;
  width: 4px;
  background: var(--hl);
  border-radius: 2px;
}
.clue-stage .lbl {
  display: block;
  font-size: 10px; font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--hl-2);
  margin-bottom: 8px;
}
.clue-stage ul {
  margin: 0; padding-left: 18px;
  font-size: 14px; font-weight: 700; line-height: 1.45;
  color: var(--ink);
}
.clue-stage ul li {
  margin: 5px 0;
  color: transparent;
  text-shadow: 0 0 8px rgba(60, 60, 60, 0.45);
  user-select: none;
  transition: color .25s ease, text-shadow .25s ease;
}
.clue-stage ul li.shown {
  color: var(--ink);
  text-shadow: none;
  user-select: text;
}
.clue-stage ul li::marker { color: var(--line-2); }
.clue-stage ul li.shown::marker { color: var(--hl); }

.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
  max-width: 360px;
}
.opt-btn {
  padding: 16px 8px;
  background: var(--card);
  border: 2px solid var(--line-2);
  border-bottom-width: 4px;
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 900;
  color: var(--ink);
  cursor: pointer;
  transition: transform .1s ease, border-bottom-width .08s, filter .15s, background-color .2s, color .2s, border-color .2s;
}
.opt-btn:active:not(:disabled) { transform: translateY(2px); border-bottom-width: 2px; }
.opt-btn.correct {
  background: var(--good-bg);
  border-color: var(--good);
  color: var(--good-2);
}
.opt-btn.bad {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger-2);
}

/* Visual varyant: emoji/şekil/resim cevap için — font-size + padding override edilebilir */
.opt-btn--visual {
  padding: 14px 10px;
  min-height: 96px;
  display: grid;
  place-items: center;
  font-size: 48px;
  line-height: 1;
}
.opt-btn--visual.correct, .opt-btn--visual.bad { animation: pop .3s ease; }
@keyframes pop { 0%{transform:scale(1)} 50%{transform:scale(1.06)} 100%{transform:scale(1)} }

/* Quiz stage: clue + options dikey ortalı, gap'li (sadece bu pattern aktifse) */
.app:has(> .stage > .clue-stage) .stage {
  gap: 14px;
  justify-content: center;
}

/* ============================================
 * OVERLAY / MODAL
 * ============================================ */
.overlay {
  position: absolute; inset: 0;
  background: rgba(60, 60, 60, .45);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 30;
  padding: 20px;
}
.overlay.show { display: flex; animation: fadeIn .25s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--card);
  width: 100%; max-width: 320px;
  padding: 32px 24px 22px;
  border-radius: 24px;
  border: 2px solid var(--good);
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-3);
  animation: pop-bounce .42s cubic-bezier(.34,1.56,.64,1);
  max-height: 92vh;
  overflow-y: auto;
}
.modal__icon {
  width: 88px; height: 88px;
  margin: 0 auto 12px;
  border-radius: 50%;
  display: grid; place-items: center;
  border: 3px solid var(--good);
}
.modal__icon--win   { background: var(--good-bg);   border-color: var(--good); }
.modal__icon--lose  { background: var(--danger-bg); border-color: var(--danger); }
.modal__icon--info  { background: var(--tint);      border-color: var(--hl); }
.modal__icon span { font-size: 50px; line-height: 1; }

.modal__title { font-weight: 900; font-size: 22px; margin: 0 0 6px; color: var(--good-2); letter-spacing: -0.01em; }
.modal__sub { font-size: 14px; color: var(--ink); margin-bottom: 16px; line-height: 1.5; text-align: left; font-weight: 700; }
.modal__sub--center { text-align: center; }
.modal__sub b { color: var(--good-2); }
.modal__sub ol, .modal__sub ul { padding-left: 22px; margin: 8px 0; }
.modal__sub li { margin: 4px 0; }

.modal__stars {
  display: flex; justify-content: center; gap: 8px; margin-bottom: 18px;
}
.modal__stars span { font-size: 36px; color: var(--xp); transition: opacity .3s; filter: drop-shadow(0 2px 0 var(--warn-2)); }
.modal__stars span.dim { opacity: .2; filter: grayscale(1); }

.modal__btn {
  cursor: pointer;
  width: 100%; height: 52px;
  font-family: inherit; font-weight: 900; font-size: 16px;
  border-radius: 14px;
  background: var(--good);
  color: #fff;
  border: 2px solid var(--good-2);
  border-bottom-width: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 0 rgba(0,0,0,.15);
  transition: transform .1s ease, border-bottom-width .08s, filter .15s;
}
.modal__btn:hover { filter: brightness(1.05); }
.modal__btn:active { transform: translateY(2px); border-bottom-width: 2px; }

.modal__btn--secondary {
  background: var(--card);
  color: var(--ink-2);
  border: 2px solid var(--line-2);
  border-bottom-width: 4px;
  margin-top: 8px;
  text-shadow: none;
}
.modal__btn--secondary:hover { color: var(--ink); border-color: var(--ink-3); filter: none; }

/* ============================================
 * TOAST
 * ============================================ */
.toast {
  position: absolute; left: 50%; top: 25%; transform: translate(-50%, -50%) scale(.85);
  background: var(--ink); color: #fff;
  padding: 12px 20px; border-radius: 999px;
  font-weight: 900; font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.04em;
  pointer-events: none; opacity: 0;
  z-index: 25;
  transition: all .3s ease;
  box-shadow: 0 4px 0 rgba(0,0,0,0.15), var(--shadow-2);
  max-width: 80%;
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.toast--good { background: var(--good); box-shadow: 0 4px 0 var(--good-deep); }
.toast--bad  { background: var(--danger); box-shadow: 0 4px 0 var(--danger-2); }

/* ============================================
 * INFO PANEL (desktop sidebar)
 *   Sağ controls panelinin üstünde sınıf/zorluk/beceri pillleri
 *   + nasıl-oynanır kısa liste. Mobilde gizli (zaten .how + intro
 *   modal var). LEARNY.buildInfoPanel() ile JS'ten enjekte edilir.
 * ============================================ */
.info-panel { display: none; }

.info-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px 5px 8px;
  font-size: 12px; font-weight: 800;
  color: var(--ink-2);
  white-space: nowrap;
}
.info-pill__lbl {
  color: var(--ink-3);
  font-weight: 800;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.info-pill--grade { background: var(--tint);     color: var(--hl-2);    border-color: #cbeaf9; }
.info-pill--diff  { background: var(--xp-bg);    color: var(--warn-2);  border-color: #ffe9a8; }
.info-pill--diff .stars-empty { color: var(--line-2); }
.info-pill--skill { background: var(--magic-bg); color: var(--magic-2); border-color: #ecdfff; }

/* ============================================
 * COMPACT
 * ============================================ */
@media (max-height: 700px) {
  .how { padding: 10px 12px; }
  .how__txt { font-size: 12px; }
  .controls { padding: 12px 10px; }
}

/* ============================================
 * DESKTOP LAYOUT (≥1024px, gerçek imleç)
 *  - Mobil portrait varsayılan; bu blok webde
 *    .app'ı grid'e çevirir, controls sağ panele
 *    geçer. HTML değişmez, tüm POC'lar etkilenir.
 *  - (hover: hover) ve (pointer: fine) tablet
 *    dokunmatikleri ele dışında bırakır.
 * ============================================ */
@media (min-width: 1024px) and (hover: hover) and (pointer: fine) {
  html, body { overflow: auto; }

  .app {
    max-width: 1120px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    grid-template-rows: auto auto 1fr auto;
    grid-template-areas:
      "header   header"
      "how      controls"
      "stage    controls"
      "status   controls";
    column-gap: 20px;
    row-gap: 12px;
    padding: 20px 24px var(--safe-bot);
  }

  /* score-row varsa: how altına ek bir satır aç (quiz POC'lar için) */
  .app:has(> .score-row) {
    grid-template-rows: auto auto auto 1fr auto;
    grid-template-areas:
      "header   header"
      "how      controls"
      "score    controls"
      "stage    controls"
      "status   controls";
  }
  .score-row { grid-area: score; margin-bottom: 0; }

  /* score-panel varsa: stage'in hemen üstüne ek satır */
  .app:has(> .score-panel) {
    grid-template-rows: auto auto auto 1fr auto;
    grid-template-areas:
      "header       header"
      "how          controls"
      "scorepanel   controls"
      "stage        controls"
      "status       controls";
  }
  .score-panel { grid-area: scorepanel; margin-bottom: 0; }

  .hdr       { grid-area: header;   margin-bottom: 0; }
  .how       { grid-area: how;      margin-bottom: 0; }
  .stage     { grid-area: stage;    margin-bottom: 0; min-height: 0; padding: 22px; }
  .statusbar { grid-area: status;   margin-bottom: 0; height: 40px; font-size: 14px; }
  .controls  {
    grid-area: controls;
    align-self: stretch;
    margin-top: 0;
    display: flex; flex-direction: column;
    justify-content: flex-start;
    gap: 14px;
  }
  .controls > .actions { margin-top: auto; }

  /* desktop'ta info-panel görünür */
  .info-panel {
    display: flex; flex-direction: column; gap: 14px;
    padding: 4px 4px 14px;
    border-bottom: 1px dashed var(--line);
  }
  .info-panel__pills {
    display: flex; flex-wrap: wrap; gap: 6px;
  }
  .info-panel__how {
    display: flex; flex-direction: column; gap: 6px;
  }
  .info-panel__how-title {
    font-size: 10px; font-weight: 900;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0;
  }
  .info-panel__how ol {
    margin: 0; padding-left: 18px;
    font-size: 13px; line-height: 1.5;
    color: var(--ink-2); font-weight: 700;
  }
  .info-panel__how ol li { margin-bottom: 3px; }
  .info-panel__how ol li b { color: var(--ink); font-weight: 900; }
  .info-panel__extra {
    font-size: 11px; line-height: 1.4;
    color: var(--ink-3); font-weight: 700;
    font-style: italic;
  }

  /* webde nefes alan tipografi */
  .hdr__title { font-size: 20px; }
  .how        { padding: 14px 16px; }
  .how__txt   { font-size: 14px; line-height: 1.4; }

  /* .stage'siz POC'lar için güvenlik:
   *   Grid-area atanmamış doğrudan .app çocukları (score-row vb.) implicit
   *   hücreye düşer ve "stage" 1fr satırına yerleşince stretch ile ekrana
   *   yayılır. align-self: start → içerik yüksekliğinde kalır, ekran şişmez.
   *   Daha doğru çözüm: oyun alanını .stage ile sarmak.
   */
  .app > *:not(.hdr):not(.how):not(.stage):not(.statusbar):not(.controls) {
    align-self: start;
  }

  /* hover feedback — sadece gerçek imleçte */
  .icon-btn:hover { background: var(--tint); color: var(--hl); }
  .act:not(:disabled):hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
  }
  .act--primary:not(:disabled):hover { filter: brightness(1.08); }
  .modal__btn:hover { filter: brightness(1.08); }
  .slot:not(.slot--correct):not(.slot--wrong):hover {
    border-color: var(--hl);
    box-shadow: 0 0 0 3px var(--tint-2);
  }
  .opt-btn:not(:disabled):not(.correct):not(.bad):hover {
    border-color: var(--hl);
    color: var(--hl-2);
    background: var(--tint);
  }

  /* modal webde biraz büyür */
  .modal { max-width: 380px; }

  /* feedback banner web: Duolingo tarzı orta-altta kompakt card */
  .feedback-banner {
    left: 50%;
    right: auto;
    bottom: 24px;
    width: min(680px, calc(100vw - 48px));
    border: 3px solid var(--good);
    border-bottom-width: 5px;
    border-radius: var(--r-lg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, .18);
    transform: translate(-50%, calc(100% + 48px));
  }
  .feedback-banner.show { transform: translate(-50%, 0); }
  .feedback-banner.lose { border-color: var(--danger); }
}

/* Çok geniş ekran (≥1440px): app biraz daha rahat */
@media (min-width: 1440px) and (hover: hover) and (pointer: fine) {
  .app { max-width: 1240px; column-gap: 28px; }
  .stage { padding: 28px; }
}