@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Space+Grotesk:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root{
  --ink:        #1c2b2a;
  --paper:      #f2ede2;
  --paper-2:    #e9e1d0;
  --teal:       #1f5f5b;
  --teal-dark:  #123f3c;
  --marigold:   #e0a02c;
  --clay:       #c4562f;
  --leaf:       #4f8a5b;
  --line:       #d8cfba;
  --white:      #fffdf8;
  --shadow:     0 1px 0 rgba(28,43,42,0.06), 0 8px 24px rgba(28,43,42,0.10);
  --radius:     14px;
}

*{ box-sizing:border-box; }

html,body{
  margin:0; padding:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Space Grotesk', system-ui, sans-serif;
  min-height:100vh;
  -webkit-tap-highlight-color: transparent;
}

body{
  background-image:
    radial-gradient(circle at 1px 1px, rgba(28,43,42,0.06) 1px, transparent 0);
  background-size: 22px 22px;
}

#app{
  max-width:640px;
  margin:0 auto;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  padding: 20px 18px 40px;
}

.screen{ display:none; flex:1; flex-direction:column; }
.screen.active{ display:flex; }

/* ---------- Level select ---------- */

.topbar{ text-align:center; margin-bottom: 22px; margin-top: 6px;}
.topbar h1{
  font-family:'Fraunces', serif;
  font-weight:700;
  font-size: 2.6rem;
  letter-spacing:-0.01em;
  margin:0;
  color:var(--teal-dark);
}
.subtitle{
  margin:6px 0 0;
  font-size:0.92rem;
  color:var(--ink);
  opacity:0.65;
  letter-spacing:0.02em;
}

.lang-select-wrap{
  position:relative;
  display:inline-block;
  margin: 14px auto 0;
}
.lang-select{
  appearance:none;
  -webkit-appearance:none;
  -moz-appearance:none;
  padding: 8px 32px 8px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--teal);
  background: var(--white);
  color: var(--teal-dark);
  font-family:'Space Grotesk', sans-serif;
  font-weight:600;
  font-size:0.88rem;
  cursor:pointer;
}
.lang-select:focus{ outline: 2px solid var(--marigold); outline-offset:1px; }
.lang-select-arrow{
  position:absolute;
  right:14px;
  top:50%;
  transform: translateY(-50%);
  pointer-events:none;
  color: var(--marigold);
  font-size:0.75rem;
}

.level-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:12px;
  margin-bottom: 20px;
}

.level-tile{
  position:relative;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--white);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
  cursor:pointer;
  font-family:'Space Grotesk', sans-serif;
  transition: transform .12s ease, box-shadow .12s ease;
}
.level-tile:active{ transform: scale(0.95); }

.level-tile .num{
  font-family:'Fraunces', serif;
  font-weight:600;
  font-size:1.5rem;
  color:var(--teal-dark);
}
.level-tile .stamp{
  font-size:0.62rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--leaf);
  font-weight:600;
}

.level-tile.unlocked{
  border-color: var(--teal);
  box-shadow: var(--shadow);
}
.level-tile.completed{
  background: var(--teal);
  border-color: var(--teal);
}
.level-tile.completed .num{ color: var(--white); }
.level-tile.completed .stamp{ color: var(--marigold); }

.level-tile.locked{
  opacity:0.45;
  cursor:not-allowed;
}
.level-tile.locked .num{ color: var(--ink); opacity:0.4; }

.level-tile .lock-icon{
  font-size:1.1rem;
  color:var(--ink);
  opacity:0.4;
}

.link-btn{
  margin: 18px auto 0;
  background:none;
  border:none;
  color:var(--ink);
  opacity:0.45;
  font-size:0.8rem;
  text-decoration: underline;
  cursor:pointer;
  font-family:'Space Grotesk', sans-serif;
}
.link-btn:hover{ opacity:0.75; }

/* ---------- Game screen ---------- */

.game-topbar{
  margin-bottom: 34px;
}

.nav-row{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}

.icon-btn{
  width:38px; height:38px;
  border-radius:50%;
  border:1.5px solid var(--line);
  background:var(--white);
  font-size:1.1rem;
  color:var(--teal-dark);
  cursor:pointer;
  flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
}

.level-nav-wrap{
  position:relative;
  flex:1;
}

.lang-nav-wrap{
  position:relative;
  flex-shrink:0;
  width: 92px;
}

.lang-nav{
  appearance:none;
  -webkit-appearance:none;
  -moz-appearance:none;
  width:100%;
  padding: 9px 26px 9px 12px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--white);
  color: var(--teal-dark);
  font-family:'Space Grotesk', sans-serif;
  font-weight:600;
  font-size:0.82rem;
  cursor:pointer;
}
.lang-nav:focus{ outline: 2px solid var(--marigold); outline-offset:1px; }
.lang-nav-arrow{
  position:absolute;
  right:10px;
  top:50%;
  transform: translateY(-50%);
  pointer-events:none;
  color: var(--marigold);
  font-size:0.72rem;
}

.level-nav{
  appearance:none;
  -webkit-appearance:none;
  -moz-appearance:none;
  width:100%;
  padding: 9px 34px 9px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--white);
  color: var(--teal-dark);
  font-family:'Fraunces', serif;
  font-weight:600;
  font-size:1rem;
  cursor:pointer;
}
.level-nav:focus{ outline: 2px solid var(--marigold); outline-offset:1px; }

.level-nav-arrow{
  position:absolute;
  right:14px;
  top:50%;
  transform: translateY(-50%);
  pointer-events:none;
  color: var(--marigold);
  font-size:0.8rem;
}

.progress-wrap{}
.progress-label{
  display:flex;
  justify-content:flex-end;
  align-items:baseline;
  margin-bottom:6px;
}
#level-title{
  font-family:'Fraunces', serif;
  font-weight:600;
  font-size:1.05rem;
  color:var(--teal-dark);
}
#progress-count{
  font-family:'Space Mono', monospace;
  font-size:0.78rem;
  color:var(--ink);
  opacity:0.55;
}
.progress-bar-track{
  height:6px;
  border-radius:4px;
  background:var(--paper-2);
  overflow:hidden;
}
.progress-bar-fill{
  height:100%;
  width:0%;
  background: linear-gradient(90deg, var(--marigold), var(--clay));
  border-radius:4px;
  transition: width .35s ease;
}

.card-area{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:34px;
}

.word-card{
  width:100%;
  min-height:150px;
  border-radius: 20px;
  background: var(--white);
  border: 1.5px solid var(--line);
  box-shadow: var(--shadow);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 30px 22px;
  position:relative;
  text-align:center;
}
.word-card::before{
  content:"ES";
  position:absolute;
  top:14px; left:16px;
  font-family:'Space Mono', monospace;
  font-size:0.68rem;
  letter-spacing:0.1em;
  color:var(--marigold);
  font-weight:700;
}

.spanish-word{
  font-family:'Fraunces', serif;
  font-weight:600;
  font-size: clamp(1.9rem, 8vw, 2.6rem);
  color:var(--teal-dark);
  word-break: break-word;
}

.prompt-translit{
  display:block;
  font-family:'Space Mono', monospace;
  font-size:0.95rem;
  color:var(--clay);
  margin-top:8px;
  letter-spacing:0.02em;
}
.prompt-translit:empty{ display:none; }

.options{
  width:100%;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.option-btn{
  width:100%;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1.5px solid var(--line);
  background: var(--white);
  font-family:'Space Grotesk', sans-serif;
  font-size:1.02rem;
  font-weight:500;
  color:var(--ink);
  text-align:left;
  cursor:pointer;
  transition: transform .08s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.option-btn:active{ transform: scale(0.98); }

.option-btn.correct{
  background: var(--leaf);
  border-color: var(--leaf);
  color: var(--white);
}
.option-btn.wrong{
  background: var(--clay);
  border-color: var(--clay);
  color: var(--white);
}
.option-btn.hint{
  background: var(--marigold);
  border-color: var(--marigold);
  color: var(--white);
}
.option-btn.dim{
  opacity: 0.45;
}
.option-btn.disabled{
  pointer-events:none;
}

@keyframes shake{
  0%,100%{ transform: translateX(0); }
  20%{ transform: translateX(-6px); }
  40%{ transform: translateX(6px); }
  60%{ transform: translateX(-4px); }
  80%{ transform: translateX(4px); }
}
.shake{ animation: shake 0.35s ease; }

.game-footer{
  display:flex;
  justify-content:center;
  padding-top: 22px;
}

.hint-btn{
  padding: 10px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--marigold);
  background: transparent;
  color: var(--marigold);
  font-family:'Space Grotesk', sans-serif;
  font-size:0.85rem;
  font-weight:600;
  letter-spacing:0.03em;
  cursor:pointer;
  transition: background .15s ease, color .15s ease;
}
.hint-btn:active{ transform: scale(0.97); }
.hint-btn:disabled{
  opacity:0.4;
  cursor:not-allowed;
}

/* ---------- Complete screen ---------- */

#screen-complete{
  align-items:center;
  justify-content:center;
}
.complete-box{
  text-align:center;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: 20px;
  padding: 44px 30px;
  box-shadow: var(--shadow);
  max-width: 420px;
}
.complete-emoji{ font-size:2.6rem; margin-bottom:10px; }
.complete-box h2{
  font-family:'Fraunces', serif;
  font-weight:600;
  font-size:1.5rem;
  margin:0 0 8px;
  color:var(--teal-dark);
}
.complete-box p{
  margin:0 0 26px;
  opacity:0.7;
  font-size:0.95rem;
}

.complete-actions{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.primary-btn, .secondary-btn{
  padding: 14px 20px;
  border-radius: 12px;
  font-family:'Space Grotesk', sans-serif;
  font-size:1rem;
  font-weight:600;
  cursor:pointer;
  border: 1.5px solid transparent;
}
.primary-btn{
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.secondary-btn{
  background: transparent;
  color: var(--teal-dark);
  border-color: var(--line);
}

@media (max-width: 380px){
  .level-grid{ grid-template-columns: repeat(4, 1fr); gap:8px; }
  .topbar h1{ font-size:2.1rem; }
}