/* Bonjour Voyage — style.css
   Self-contained styling, no external fonts or frameworks, so the app
   works offline and needs no internet access once deployed on IIS. */

:root {
  --bv-blue: #2d5f8a;
  --bv-blue-dark: #1f4a6e;
  --bv-red: #d43f3f;
  --bv-cream: #fdf9f0;
  --bv-card: #ffffff;
  --bv-text: #24313f;
  --bv-text-soft: #5b6b7a;
  --bv-border: #e4e2d8;
  --bv-green: #2f8a5b;
  --bv-amber: #c98a1c;
  --bv-radius: 16px;
  --bv-shadow: 0 2px 10px rgba(30, 40, 60, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bv-cream);
  color: var(--bv-text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 16px 48px;
  min-height: 100vh;
}

/* ---------- header ---------- */

.bv-header {
  padding: 18px 4px 8px;
  text-align: center;
}

.bv-header h1 {
  margin: 0;
  font-size: 1.7rem;
  color: var(--bv-blue-dark);
}

.bv-subtitle {
  margin: 4px 0 0;
  color: var(--bv-text-soft);
  font-size: 0.95rem;
}

.bv-header-sub {
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
}

.bv-header-sub h2 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--bv-blue-dark);
}

.bv-back {
  border: none;
  background: none;
  color: var(--bv-blue);
  font-size: 0.95rem;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 8px;
}

.bv-back:hover { background: rgba(45, 95, 138, 0.08); }

/* ---------- cards ---------- */

.bv-card {
  background: var(--bv-card);
  border-radius: var(--bv-radius);
  box-shadow: var(--bv-shadow);
  padding: 18px;
  margin-bottom: 14px;
}

.bv-card h3 { margin-top: 0; }

.bv-error { border-left: 4px solid var(--bv-red); }

/* ---------- dashboard stats ---------- */

.bv-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.bv-stat {
  padding: 14px 10px;
  text-align: center;
}

.bv-stat-label {
  font-size: 0.75rem;
  color: var(--bv-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.bv-stat-value {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--bv-blue-dark);
}

.bv-stat-sub {
  font-size: 0.75rem;
  color: var(--bv-text-soft);
  margin-top: 4px;
}

.bv-streak { font-size: 1.3rem; }

.bv-readiness-ring {
  --pct: 0;
  width: 64px;
  height: 64px;
  margin: 0 auto;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--bv-blue-dark);
  background: conic-gradient(var(--bv-red) calc(var(--pct) * 1%), #eee 0);
  position: relative;
}

.bv-readiness-ring::before {
  content: "";
  position: absolute;
  inset: 6px;
  background: var(--bv-card);
  border-radius: 50%;
}

.bv-readiness-ring span { position: relative; z-index: 1; font-size: 0.95rem; }

.bv-progress-bar {
  background: #eee;
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
  margin: 6px 0;
}

.bv-progress-thin { height: 5px; margin-bottom: 14px; }

.bv-progress-fill {
  background: linear-gradient(90deg, var(--bv-blue), var(--bv-red));
  height: 100%;
  border-radius: 999px;
  transition: width 0.3s ease;
}

/* ---------- cta ---------- */

.bv-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.bv-cta-quiet { color: var(--bv-text-soft); }

/* ---------- buttons ---------- */

.bv-btn {
  border: 1px solid var(--bv-border);
  background: var(--bv-card);
  color: var(--bv-text);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.05s ease, background 0.15s ease;
}

.bv-btn:hover { background: #f4f1e8; }
.bv-btn:active { transform: scale(0.98); }
.bv-btn:disabled { opacity: 0.55; cursor: default; }

.bv-btn-primary {
  background: var(--bv-blue);
  color: #fff;
  border-color: var(--bv-blue);
}

.bv-btn-primary:hover { background: var(--bv-blue-dark); }

.bv-btn-danger {
  background: #fff;
  color: var(--bv-red);
  border-color: var(--bv-red);
}

.bv-btn-danger:hover { background: #fdecec; }

.bv-btn-wide { width: 100%; margin-top: 10px; }

.bv-btn-icon {
  border-radius: 50%;
  width: 40px;
  height: 40px;
  padding: 0;
  font-size: 1.1rem;
}

/* ---------- quicklinks tiles ---------- */

.bv-quicklinks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.bv-tile {
  background: var(--bv-card);
  border: 1px solid var(--bv-border);
  border-radius: var(--bv-radius);
  box-shadow: var(--bv-shadow);
  padding: 20px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--bv-text);
}

.bv-tile:hover { background: #f4f1e8; }

.bv-tile-icon { font-size: 1.8rem; }

/* ---------- badges ---------- */

.bv-badge-row { display: flex; flex-wrap: wrap; gap: 8px; }

.bv-badge-chip {
  background: #fdf3e0;
  border: 1px solid var(--bv-amber);
  color: #7a5a10;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
}

/* ---------- deck / list rows ---------- */

.bv-deck-list { display: flex; flex-direction: column; gap: 8px; }

.bv-deck-row {
  --accent: var(--bv-blue);
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bv-card);
  border: 1px solid var(--bv-border);
  border-left: 5px solid var(--accent);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  text-align: left;
  box-shadow: var(--bv-shadow);
}

.bv-deck-row:hover { background: #faf8f0; }

.bv-deck-icon { font-size: 1.6rem; }

.bv-deck-info { display: flex; flex-direction: column; flex: 1; }

.bv-deck-name { font-weight: 600; }

.bv-deck-sub { font-size: 0.8rem; color: var(--bv-text-soft); }

.bv-deck-arrow { font-size: 1.4rem; color: var(--bv-text-soft); }

.bv-hint { color: var(--bv-text-soft); font-size: 0.88rem; margin: 4px 2px 14px; }

/* ---------- flashcards ---------- */

.bv-flashcard {
  text-align: center;
  padding: 32px 18px;
}

.bv-flash-emoji { font-size: 3rem; margin-bottom: 6px; }

.bv-flash-fr {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--bv-blue-dark);
  margin-bottom: 4px;
}

.bv-flash-ipa { color: var(--bv-text-soft); margin-bottom: 14px; }

.bv-flash-en {
  font-size: 1.2rem;
  margin: 10px 0 6px;
  color: var(--bv-red);
  font-weight: 600;
}

.bv-flash-example {
  background: #f6f4ec;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.9rem;
  margin: 10px 0;
}

.bv-flash-note {
  font-size: 0.85rem;
  color: var(--bv-text-soft);
  margin-top: 10px;
  text-align: left;
}

.bv-flash-controls { margin-top: 4px; }

.bv-rate-row { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 8px; }

.bv-rate { font-size: 0.85rem; padding: 10px 4px; }

.bv-rate-again { border-color: var(--bv-red); color: var(--bv-red); }
.bv-rate-hard { border-color: var(--bv-amber); color: var(--bv-amber); }
.bv-rate-good { border-color: var(--bv-blue); color: var(--bv-blue); }
.bv-rate-easy { border-color: var(--bv-green); color: var(--bv-green); }

/* ---------- session complete ---------- */

.bv-session-complete { text-align: center; padding: 30px 18px; }

.bv-big-emoji { font-size: 3rem; margin-bottom: 8px; }

.bv-empty { text-align: center; color: var(--bv-text-soft); padding: 30px 18px; }

/* ---------- pronunciation / scenario options ---------- */

.bv-pron-card, .bv-scenario-card { padding: 20px 16px; }

.bv-pron-note { color: var(--bv-text-soft); font-size: 0.88rem; margin-top: 0; }

.bv-pron-options, .bv-scenario-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0;
}

.bv-pron-option, .bv-scenario-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 12px 16px;
  text-align: left;
}

.bv-pron-word { font-weight: 600; font-size: 1.05rem; }

.bv-pron-ipa { color: var(--bv-text-soft); font-size: 0.85rem; }

.bv-pron-correct { border-color: var(--bv-green); background: #eef8f1; }

.bv-pron-wrong { border-color: var(--bv-red); background: #fdeeee; }

.bv-feedback {
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.bv-feedback-correct { background: #eef8f1; color: #1e6b41; }
.bv-feedback-wrong { background: #fdeeee; color: #a32d2d; }

.bv-scenario-npc {
  background: #eef4f9;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 14px;
  position: relative;
}

.bv-scenario-npc-fr { font-weight: 700; font-size: 1.15rem; color: var(--bv-blue-dark); margin-right: 40px; }

.bv-scenario-npc-en { font-size: 0.88rem; color: var(--bv-text-soft); margin-top: 4px; }

.bv-scenario-npc .bv-btn-icon { position: absolute; top: 8px; right: 8px; }

/* ---------- settings ---------- */

.bv-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

/* ---------- responsive ---------- */

@media (max-width: 420px) {
  .bv-stats-grid { grid-template-columns: 1fr 1fr; }
  .bv-stats-grid .bv-stat:first-child { grid-column: 1 / -1; }
  .bv-rate-row { grid-template-columns: 1fr 1fr; }
}