*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f5f0e8;
  color: #1a1a1a;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
}

#error {
  max-width: 480px;
  text-align: center;
  color: #b33;
  margin-top: 4rem;
  font-size: 1.1rem;
  line-height: 1.6;
}

#container {
  max-width: 480px;
  width: 100%;
}

h1 {
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
  color: #c35a00;
}

#story {
  font-size: 1.15rem;
  line-height: 2;
  position: relative;
}

.word {
  cursor: pointer;
  border-radius: 4px;
  padding: 2px 1px;
  transition: background .15s;
  position: relative;
  display: inline;
}

.word:hover { background: #e8dfd3; }
.word.tapped { background: #fce4b8; }
.word.new-word { border-bottom: 2px dotted #c35a00; }

.bubble {
  position: fixed;
  background: #1a1a1a;
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .95rem;
  max-width: 260px;
  z-index: 100;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  animation: pop .15s ease-out;
}

@keyframes pop {
  from { opacity: 0; transform: scale(.92); }
  to   { opacity: 1; transform: scale(1); }
}

#done-btn {
  margin-top: 2rem;
  padding: 14px 32px;
  font-size: 1.1rem;
  background: #c35a00;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  width: 100%;
  transition: background .15s;
}
#done-btn:hover { background: #a84b00; }
#done-btn:disabled { background: #bbb; cursor: wait; }

#loading {
  margin-top: 3rem;
  text-align: center;
  color: #888;
  font-size: 1.1rem;
}
#loading .spinner {
  display: inline-block;
  width: 28px; height: 28px;
  border: 3px solid #ddd;
  border-top-color: #c35a00;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: middle;
  margin-right: 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

#vocab-btn {
  display: block;
  margin-top: 1rem;
  text-align: center;
  color: #c35a00;
  font-size: .9rem;
  cursor: pointer;
  text-decoration: none;
}
#vocab-btn:hover { text-decoration: underline; }

#vocab-list { margin-top: 1rem; }

.vocab-empty {
  text-align: center;
  color: #888;
  font-size: .95rem;
}

.vocab-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
.vocab-table th {
  text-align: left;
  border-bottom: 2px solid #ddd;
  padding: 6px 8px;
  color: #888;
  font-weight: 600;
}
.vocab-table td {
  padding: 5px 8px;
  border-bottom: 1px solid #eee;
}
.vocab-word { font-weight: 500; }
.vocab-meaning { color: #555; }

.vocab-flag {
  font-size: .75rem;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
  white-space: nowrap;
}
.flag-strong { background: #d4edda; color: #276749; }
.flag-weak   { background: #fff3cd; color: #856404; }
.flag-new    { background: #e2e3e5; color: #555; }