@font-face {
  font-family: "AlQuran IndoPak";
  src: url("fonts/font.woff2") format("woff2");
  font-display: swap;
}

:root {
  --bg: #0f1720;
  --panel: #1a2532;
  --text: #e8edf2;
  --muted: #8b9bab;
  --accent: #3aa17e;
  --match: #2fa66b;
  --sub: #d9534f;
  --del: #d9a53f;
  --ins: #4a90d9;
}

* { box-sizing: border-box; }

html, body {
  max-width: 100vw;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 2rem 1.5rem 1rem;
  text-align: center;
}

header h1 { margin: 0 0 0.25rem; }
.subtitle { color: var(--muted); margin: 0; }

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}

section {
  background: var(--panel);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.level-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.level-tab {
  background: #22303f;
  color: var(--text);
  border: 1px solid #2e3f52;
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.level-tab.active {
  background: var(--accent);
  color: #06251b;
  font-weight: 600;
  border-color: var(--accent);
}

.word-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  direction: rtl;
}

.word-card {
  background: #22303f;
  border: 1px solid #2e3f52;
  border-radius: 10px;
  padding: 0.75rem;
  text-align: center;
  cursor: pointer;
  color: var(--text);
}

.word-card:hover { border-color: var(--accent); }
.word-card.selected { border-color: var(--accent); background: #223a32; }

.word-card .arabic {
  font-family: "AlQuran IndoPak", "Noto Naskh Arabic", serif;
  font-size: 1.75rem;
  display: block;
  margin-bottom: 0.35rem;
  line-height: 1.6;
}

.word-card .count {
  font-size: 0.75rem;
  color: var(--muted);
}

.selected-word { text-align: center; margin-bottom: 1rem; }

.arabic-large {
  font-family: "AlQuran IndoPak", "Noto Naskh Arabic", serif;
  font-size: 3.5rem;
  display: inline-block;
  line-height: 1.7;
}

.controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.25rem;
  font-size: 1rem;
  cursor: pointer;
}

.btn-record { background: var(--accent); color: #06251b; font-weight: 600; }
.btn-record.recording { background: var(--sub); color: #2a0b0b; }

.rec-status { color: var(--muted); }

.file-fallback {
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 100%;
  flex-wrap: wrap;
}

.file-fallback input[type="file"] {
  max-width: 100%;
  min-width: 0;
}

.result { margin-top: 1.5rem; }

.score-row { text-align: center; margin-bottom: 1rem; }
.score { font-size: 2rem; font-weight: 700; }

.diff {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-family: "AlQuran IndoPak", "Noto Naskh Arabic", serif;
  font-size: 2.75rem;
  line-height: 1.7;
}

.word-result {
  font-weight: 600;
  white-space: nowrap;
}

.word-result.correct { color: var(--match); }
.word-result.partial { color: var(--del); }
.word-result.wrong { color: var(--sub); }

.legend {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  margin: 0 0.25rem;
}

.tag.correct { background: rgba(47, 166, 107, 0.25); }
.tag.partial { background: rgba(217, 165, 63, 0.25); }
.tag.wrong { background: rgba(217, 83, 79, 0.25); }

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f8;
    --panel: #ffffff;
    --text: #1a2532;
    --muted: #5c6b7a;
  }
  .word-card { background: #eef2f6; border-color: #dde4ea; color: var(--text); }
  .word-card.selected { background: #e1f3ea; }
  .level-tab { background: #eef2f6; border-color: #dde4ea; color: var(--text); }
}

@media (max-width: 600px) {
  header { padding: 1.25rem 1rem 0.75rem; }
  header h1 { font-size: 1.4rem; }
  .subtitle { font-size: 0.85rem; }

  main { padding: 0.75rem 0.75rem 2rem; }
  section { padding: 1rem; margin-bottom: 1rem; border-radius: 10px; }

  .level-tabs { gap: 0.4rem; }
  .level-tab {
    padding: 0.55rem 0.85rem;
    font-size: 0.8rem;
    flex: 1 1 auto;
    text-align: center;
  }

  .word-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem;
  }
  .word-card { padding: 0.55rem; }
  .word-card .arabic { font-size: 1.4rem; }
  .word-card .count { font-size: 0.7rem; }

  .arabic-large { font-size: 2.5rem; }

  .controls {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  .btn-record {
    width: 100%;
    padding: 0.85rem 1.25rem;
    min-height: 44px;
  }
  .rec-status { text-align: center; }
  .file-fallback {
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }
  .file-fallback input[type="file"] {
    width: 100%;
    max-width: 100%;
  }

  .diff { font-size: 2rem; }

  .legend { font-size: 0.75rem; }
  .tag { margin: 0.15rem; }
}