@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800&display=swap');

:root {
  --primary: #2A6878;
  --primary-light: #3a8a9e;
  --primary-dark: #1e4f5c;
  --success: #2D8B6A;
  --danger: #E05555;
  --bg: #f4f8fa;
  --card-bg: #ffffff;
  --border: #d0e4ea;
  --text: #1a2e35;
  --text-muted: #5a7a85;
  --level-bg: #86ADB9;
  --shadow: 0 2px 12px rgba(42,104,120,.12);
}

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

html { direction: rtl; }

body {
  font-family: 'Tajawal', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ─── HEADER ─────────────────────────────── */
.site-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.site-header .logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.5px;
}
.site-header .logo span { opacity: .7; font-weight: 400; font-size: 14px; margin-right: 8px; }
.header-back {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-family: 'Tajawal', sans-serif;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background .2s;
}
.header-back:hover { background: rgba(255,255,255,.25); }

/* ─── INDEX PAGE ─────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 48px 24px 40px;
  text-align: center;
}
.page-hero h1 { font-size: 2rem; font-weight: 800; margin-bottom: 8px; }
.page-hero p  { opacity: .85; font-size: 1rem; }

.sounds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 16px;
  padding: 32px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.sound-card {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 20px 12px 16px;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  box-shadow: var(--shadow);
}
.sound-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 6px 20px rgba(42,104,120,.2);
}
.sound-card .letter {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.sound-card .name {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
.sound-card .badge {
  font-size: 11px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  padding: 2px 8px;
}

/* ─── SOUND PAGE ─────────────────────────── */
.sound-nav {
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
}
.sound-nav .sound-title {
  text-align: center;
}
.sound-nav .sound-letter-big {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}
.sound-nav .sound-name-label {
  font-size: 14px;
  opacity: .85;
  margin-top: 2px;
}
.sound-nav .sound-counter {
  font-size: 12px;
  opacity: .6;
  margin-top: 2px;
}
.nav-btn {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  width: 44px; height: 44px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
  font-family: 'Tajawal', sans-serif;
}
.nav-btn:hover { background: rgba(255,255,255,.28); }
.nav-btn:disabled { opacity: .3; cursor: default; }

/* ─── SPEED TOOLBAR ──────────────────────── */
.speed-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}
.speed-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
}
.speed-select {
  font-family: 'Tajawal', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  outline: none;
  transition: border-color .15s;
}
.speed-select:focus { border-color: var(--primary); }

/* ─── LEVEL TABS ─────────────────────────── */
.level-tabs {
  display: flex;
  gap: 6px;
  padding: 16px 20px 0;
  overflow-x: auto;
  scrollbar-width: none;
  background: var(--card-bg);
  border-bottom: 2px solid var(--border);
}
.level-tabs::-webkit-scrollbar { display: none; }
.level-tab {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 10px 10px 0 0;
  font-family: 'Tajawal', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  border-bottom: none;
  background: transparent;
  color: var(--text-muted);
  transition: all .15s;
}
.level-tab:hover { background: var(--bg); color: var(--primary); }
.level-tab.active {
  background: var(--bg);
  color: var(--primary);
  border-color: var(--border);
  border-bottom-color: var(--bg);
  position: relative;
  bottom: -2px;
}

/* ─── LEVEL PANELS ───────────────────────── */
.level-panel { display: none; padding: 24px 20px; }
.level-panel.active { display: block; }

.level-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.level-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ─── ITEM CARDS ─────────────────────────── */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.items-grid.wide {
  grid-template-columns: 1fr;
}

.item-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow);
}
.item-card .item-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  line-height: 1.4;
}
.item-card.wide .item-text {
  font-size: 1.1rem;
}

.item-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ─── BUTTONS ────────────────────────────── */
.btn {
  font-family: 'Tajawal', sans-serif;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all .15s;
}
.btn-rec {
  background: #fff0f0;
  color: var(--danger);
  border: 1px solid #fbc8c8;
}
.btn-rec:hover { background: #ffe0e0; }
.btn-rec.recording {
  background: var(--danger);
  color: #fff;
  animation: pulse-rec 1s infinite;
}
.btn-play {
  background: #f0f8ff;
  color: var(--primary);
  border: 1px solid var(--border);
}
.btn-play:hover { background: #dff0fa; }
.btn-play:disabled { opacity: .4; cursor: default; }
.btn-assess {
  background: var(--primary);
  color: #fff;
}
.btn-assess:hover { background: var(--primary-light); }
.btn-assess:disabled { opacity: .5; cursor: default; }

@keyframes pulse-rec {
  0%, 100% { box-shadow: 0 0 0 0 rgba(224,85,85,.4); }
  50%       { box-shadow: 0 0 0 6px rgba(224,85,85,0); }
}

/* ─── RESULT PANEL ───────────────────────── */
.res-panel {
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1.5px solid;
  letter-spacing: .3px;
  width: 100%;
}
.res-correct {
  background: rgba(45,139,106,.08);
  border-color: var(--success);
  color: var(--success);
}
.res-wrong {
  background: rgba(224,85,85,.08);
  border-color: var(--danger);
  color: var(--danger);
}

/* ─── DIAGNOSTIC NOTE ────────────────────── */
.diag-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 8px;
  padding: 10px 14px;
  background: #fffbea;
  border: 1.5px solid #f0c040;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #7a5a00;
  line-height: 1.5;
  width: 100%;
  text-align: right;
}
.diag-note-icon { font-size: 16px; flex-shrink: 0; }
.diag-note-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px dashed var(--primary);
}
.diag-note-link:hover { color: var(--primary-dark); }

/* ─── LOADING SPINNER ────────────────────── */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── REAL WORDS TABLE ───────────────────── */
.rw-section { margin-bottom: 24px; }
.rw-section h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--level-bg);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.rw-positions {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
.rw-pos-col h4 {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 8px;
}

/* ─── PHRASE GROUPS ─────────────────────── */
.phrase-group-section { margin-bottom: 24px; }
.phrase-group-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--border);
}

/* ─── STORY SECTION ─────────────────────── */
.story-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  font-size: 1rem;
  line-height: 2;
  color: var(--text);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.story-prompt {
  background: #e8f4f8;
  border: 1px dashed var(--primary);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: .95rem;
  color: var(--primary-dark);
  line-height: 1.8;
}

/* ─── QA SECTION ─────────────────────────── */
.qa-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow);
}
.qa-q { font-size: 15px; font-weight: 600; color: var(--primary-dark); }
.qa-a { font-size: 13px; color: var(--text-muted); }
.qa-actions { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }

/* ─── TOAST ──────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #1a2e35;
  color: #fff;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 13px;
  font-family: 'Tajawal', sans-serif;
  z-index: 999;
  transition: transform .3s;
  max-width: 90vw;
  text-align: center;
}
#toast.show { transform: translateX(-50%) translateY(0); }

/* ─── RESPONSIVE ─────────────────────────── */
@media (max-width: 600px) {
  .sounds-grid { grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 16px; }
  .sound-card .letter { font-size: 2rem; }
  .items-grid { grid-template-columns: repeat(2, 1fr); }
  .rw-positions { grid-template-columns: 1fr; }
  .level-tabs { gap: 4px; padding: 12px 12px 0; }
  .level-tab { padding: 6px 10px; font-size: 12px; }
}