:root {
  --color-bg: #f6f5f1;
  --color-surface: #ffffff;
  --color-text: #22262b;
  --color-muted: #5b6570;
  --color-border: #e3e0d8;
  --color-accent: #0e8c62;
  --color-accent-dark: #0a6b4a;
  --color-wrong: #c0392b;
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.12);
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}
#app {
  max-width: 640px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}
h1 { text-align: center; margin-bottom: 4px; }
.subtitle { text-align: center; color: var(--color-muted); margin-bottom: 28px; }
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  margin-bottom: 20px;
}
.task {
  text-align: center;
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.5;
}
.progress {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 18px;
}
.controls-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
button {
  font-size: 1rem;
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  background: var(--color-accent);
  color: #fff;
  cursor: pointer;
  transition: background-color 0.15s;
}
button:hover { background: var(--color-accent-dark); }
button.secondary {
  background: var(--color-surface);
  color: var(--color-accent-dark);
  border: 1px solid var(--color-border);
}
button.secondary:hover { background: #efece3; }
button:disabled {
  opacity: 0.45;
  cursor: default;
}
.order-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 18px;
}
.order-row button {
  flex: 1;
  max-width: 260px;
  padding: 14px 10px;
  font-weight: 600;
}
.order-row button.chosen-right { background: var(--color-accent); }
.order-row button.chosen-wrong { background: var(--color-wrong); }
.reveal-text {
  text-align: center;
  font-size: 1.1rem;
  font-style: italic;
  min-height: 1.6em;
  margin-bottom: 18px;
  color: var(--color-text);
  padding: 0 10px;
}
.feedback {
  text-align: center;
  font-size: 1.05rem;
  font-weight: 600;
  min-height: 1.5em;
  margin-bottom: 10px;
}
.feedback.right { color: var(--color-accent-dark); }
.feedback.wrong { color: var(--color-wrong); }
.continue-row { text-align: center; }
#scoreScreen { display: none; text-align: center; }
#scoreScreen h2 { margin-top: 0; }
#scoreList {
  list-style: none;
  padding: 0;
  text-align: left;
  margin: 20px 0;
}
#scoreList li {
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}
#scoreList li:last-child { border-bottom: none; }
#scoreList .mark-right { color: var(--color-accent-dark); font-weight: 700; }
#scoreList .mark-wrong { color: var(--color-wrong); font-weight: 700; }
.back-link { text-align: center; margin-top: 10px; }
.back-link a { color: var(--color-accent-dark); }