/* ===== Niki & Youssy : Mission Français, styles ===== */
:root {
  --bg: #f7f4fe;
  --card: #ffffff;
  --ink: #241d3d;
  --muted: #6b6488;
  --line: #e8e2f7;
  --violet: #6d28d9;
  --violet-dark: #4c1d95;
  --violet-soft: #f1eafe;
  --gold: #f5b301;
  --green: #16a34a;
  --green-bg: #e9f9ef;
  --red: #dc2626;
  --red-bg: #fdeeee;
  --amber-bg: #fff7e0;
  --blue: #2563eb;
  --radius: 16px;
  --shadow: 0 4px 20px rgba(77, 29, 149, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

/* ===== Header ===== */
.site-header {
  background: linear-gradient(135deg, #3b1478, #5b21b6 55%, #7c3aed);
  color: #fff;
  box-shadow: 0 2px 12px rgba(59, 20, 120, 0.35);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.brand {
  color: #fff;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.brand em { color: var(--gold); font-style: italic; }
.main-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.main-nav a {
  color: #eee6ff;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.95rem;
  transition: background 0.15s;
}
.main-nav a:hover { background: rgba(255, 255, 255, 0.14); }
.main-nav a.active { background: rgba(255, 255, 255, 0.22); font-weight: 600; }
.lang-btn {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
  border-radius: 999px;
  padding: 5px 14px;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.lang-btn:hover { background: rgba(255, 255, 255, 0.3); }
.lang-menu { position: relative; display: inline-block; }
.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  color: var(--ink);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(36, 29, 61, 0.25);
  min-width: 160px;
  overflow: hidden;
  z-index: 200;
}
.lang-dropdown button {
  display: block;
  width: 100%;
  padding: 11px 16px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.98rem;
  color: var(--ink);
}
.lang-dropdown button:hover { background: var(--violet-soft); }
.lang-dropdown button.current { font-weight: 700; background: var(--violet-soft); }

/* ===== Comptes / connexion ===== */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(36, 29, 61, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 16px;
  animation: fadeUp 0.15s ease;
}
.auth-modal {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(36, 29, 61, 0.4);
  padding: 26px 28px;
  width: 100%;
  max-width: 400px;
  position: relative;
}
.auth-modal h2 { margin: 0 0 4px; }
.auth-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--muted);
}
.auth-close:hover { color: var(--ink); }
.auth-tabs {
  display: flex;
  gap: 6px;
  background: var(--violet-soft);
  border-radius: 12px;
  padding: 4px;
  margin: 16px 0 18px;
}
.auth-tab {
  flex: 1;
  border: none;
  background: none;
  padding: 8px 10px;
  border-radius: 9px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--violet-dark);
}
.auth-tab.active { background: #fff; font-weight: 700; box-shadow: 0 1px 4px rgba(77, 29, 149, 0.15); }
.auth-label { display: block; font-size: 0.88rem; color: var(--muted); margin: 10px 0 4px; }
.auth-input { width: 100%; }
.auth-error { color: var(--red); font-size: 0.9rem; min-height: 20px; margin: 10px 0 4px; }
.auth-submit { width: 100%; }
.auth-note { margin: 14px 0 0; text-align: center; }

/* ===== Layout ===== */
main {
  max-width: 920px;
  margin: 24px auto 60px;
  padding: 0 20px;
}
.site-footer {
  text-align: center;
  color: var(--muted);
  padding: 24px 16px 40px;
  font-size: 0.9rem;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 28px;
  margin-bottom: 20px;
}
.card h2 { margin-top: 0; }
.card.hero {
  background: linear-gradient(135deg, #ffffff, #f5efff);
  border: 1px solid var(--line);
}

h1, h2, h3 { line-height: 1.3; }
h1 { font-size: 1.7rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.12rem; color: var(--violet-dark); }

a { color: var(--violet); }

.subtitle { color: var(--muted); margin-top: -6px; }
.small { font-size: 0.88rem; color: var(--muted); }
.center { text-align: center; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  border: none;
  border-radius: 12px;
  padding: 11px 22px;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.1s, box-shadow 0.15s, background 0.15s;
  background: #ece7f8;
  color: var(--violet-dark);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, var(--violet), #8b5cf6);
  color: #fff;
  box-shadow: 0 4px 14px rgba(109, 40, 217, 0.35);
}
.btn-success { background: var(--green); color: #fff; }
.btn-ghost { background: transparent; border: 2px solid var(--line); }
.btn-big { font-size: 1.15rem; padding: 14px 30px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

/* ===== Level badges ===== */
.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}
.badge-A1 { background: #16a34a; }
.badge-A2 { background: #0d9488; }
.badge-B1 { background: #2563eb; }
.badge-B2 { background: #7c3aed; }

/* ===== Progress bars ===== */
.progress-track {
  background: var(--line);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--violet), #a78bfa);
  transition: width 0.4s ease;
}
.progress-fill.gold { background: linear-gradient(90deg, #d97706, var(--gold)); }
.progress-label { font-size: 0.85rem; color: var(--muted); margin-top: 4px; }

/* ===== Lesson map ===== */
.level-section { margin-bottom: 30px; }
.level-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.level-head h2 { margin: 0; }
.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.lesson-card {
  background: var(--card);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 16px 18px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.12s, border-color 0.15s;
  position: relative;
}
.lesson-card:hover { transform: translateY(-2px); border-color: #d6c8f5; }
.lesson-card .lesson-emoji { font-size: 1.5rem; }
.lesson-card .lesson-title { font-weight: 700; margin: 4px 0 2px; }
.lesson-card .lesson-sub { font-size: 0.85rem; color: var(--muted); }
.lesson-card .lesson-state {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 1.1rem;
}
.lesson-card.locked {
  opacity: 0.55;
  cursor: not-allowed;
  background: #f3f0fb;
}
.lesson-card.locked:hover { transform: none; border-color: transparent; }
.lesson-card.done { border-color: #bbe7c9; }
.lesson-card.exam-card { background: linear-gradient(135deg, #fffbeb, #fff3d6); }

/* ===== Lesson content ===== */
.lesson-body h3 {
  margin-top: 28px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--violet-soft);
}
.lesson-body table {
  border-collapse: collapse;
  margin: 10px 0;
  width: 100%;
  max-width: 560px;
}
.lesson-body th, .lesson-body td {
  border: 1px solid var(--line);
  padding: 7px 12px;
  text-align: left;
}
.lesson-body th { background: var(--violet-soft); }
.lesson-body ul { padding-left: 22px; }

/* Clickable French text = audio */
.fr {
  color: var(--violet-dark);
  font-weight: 600;
  cursor: pointer;
  border-bottom: 1px dotted #b39ddb;
}
.fr:hover { background: var(--violet-soft); border-radius: 4px; }

.example {
  background: var(--violet-soft);
  border-left: 4px solid var(--violet);
  border-radius: 0 10px 10px 0;
  padding: 10px 16px;
  margin: 10px 0;
}
.example .fr { display: block; font-size: 1.05rem; border-bottom: none; }
.example .en { display: block; color: var(--muted); font-size: 0.92rem; font-style: italic; }

.tips-box {
  background: var(--amber-bg);
  border: 1px solid #f3dd9d;
  border-radius: 12px;
  padding: 16px 20px;
  margin: 24px 0;
}
.tips-box h3 { margin: 0 0 8px; color: #92610a; border: none; }
.tips-box ul { margin: 0; padding-left: 20px; }
.tips-box li { margin-bottom: 6px; }

.audio-hint {
  background: var(--violet-soft);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 0.88rem;
  color: var(--violet-dark);
  margin-bottom: 16px;
}

/* ===== Exercise / quiz engine ===== */
.quiz-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.quiz-progress .progress-track { flex: 1; }
.quiz-progress .count { font-size: 0.9rem; color: var(--muted); white-space: nowrap; }

.question-text { font-size: 1.15rem; font-weight: 600; margin: 8px 0 16px; }

.options { display: grid; gap: 10px; }
.option-btn {
  text-align: left;
  background: #f6f3fd;
  border: 2px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 1rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
  color: var(--ink);
}
.option-btn:hover:not(:disabled) { border-color: var(--violet); background: var(--violet-soft); }
.option-btn:disabled { cursor: default; }
.option-btn.correct { background: var(--green-bg); border-color: var(--green); font-weight: 700; }
.option-btn.wrong { background: var(--red-bg); border-color: var(--red); }

.fill-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.fill-input {
  font-size: 1.05rem;
  font-family: inherit;
  padding: 10px 14px;
  border: 2px solid var(--line);
  border-radius: 12px;
  min-width: 220px;
  flex: 1;
}
.fill-input:focus { outline: none; border-color: var(--violet); }
.fill-input.correct { border-color: var(--green); background: var(--green-bg); }
.fill-input.wrong { border-color: var(--red); background: var(--red-bg); }

.explain-box {
  border-radius: 12px;
  padding: 14px 18px;
  margin-top: 16px;
  animation: fadeUp 0.25s ease;
}
.explain-box.good { background: var(--green-bg); border: 1px solid #b5e6c6; }
.explain-box.bad { background: var(--red-bg); border: 1px solid #f5c2c2; }
.explain-box.almost { background: var(--amber-bg); border: 1px solid #f3dd9d; }
.explain-box .verdict { font-weight: 700; margin-bottom: 6px; }
.explain-box.good .verdict { color: var(--green); }
.explain-box.bad .verdict { color: var(--red); }
.explain-box.almost .verdict { color: #92610a; }

.skip-row { margin-top: 14px; text-align: right; }
.skip-link {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  text-decoration: underline dotted;
}

/* ===== Results ===== */
.score-big {
  font-size: 2.6rem;
  font-weight: 800;
  text-align: center;
  margin: 8px 0;
}
.score-big.pass { color: var(--green); }
.score-big.fail { color: var(--red); }

.bravo {
  text-align: center;
  font-size: 1.4rem;
  animation: pop 0.5s ease;
}
@keyframes pop {
  0% { transform: scale(0.6); opacity: 0; }
  70% { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.review-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 10px;
}
.review-item .ri-q { font-weight: 600; }
.review-item .ri-bad { color: var(--red); }
.review-item .ri-good { color: var(--green); font-weight: 600; }
.review-item .ri-explain { font-size: 0.92rem; color: var(--ink); margin-top: 6px; background: var(--amber-bg); border-radius: 8px; padding: 8px 12px; }

/* ===== Placement result bars ===== */
.level-bars { display: grid; gap: 10px; margin: 16px 0; }
.level-bar-row { display: grid; grid-template-columns: 52px 1fr 60px; gap: 10px; align-items: center; }

/* ===== Verbs page ===== */
.verb-controls { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.verb-search {
  font-size: 1rem;
  font-family: inherit;
  padding: 10px 14px;
  border: 2px solid var(--line);
  border-radius: 12px;
  flex: 1;
  min-width: 200px;
}
.verb-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.verb-chip {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 999px;
  padding: 5px 14px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.12s;
}
.verb-chip:hover { border-color: var(--violet); }
.verb-chip.selected { background: var(--violet); border-color: var(--violet); color: #fff; font-weight: 600; }

.tense-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}
.tense-card {
  background: var(--card);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 14px 18px;
}
.tense-card h4 { margin: 0 0 8px; color: var(--violet-dark); }
.tense-card table { width: 100%; border-collapse: collapse; }
.tense-card td { padding: 3px 4px; border-bottom: 1px dashed var(--line); }
.tense-card td.pronoun { color: var(--muted); width: 40%; }
.verb-meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 0.92rem; margin-bottom: 14px; }

/* ===== Mistakes page ===== */
.mistake-count {
  background: var(--violet-soft);
  border-radius: 12px;
  padding: 10px 16px;
  display: inline-block;
}

/* ===== Home ===== */
.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 14px;
}
.step-card {
  background: var(--violet-soft);
  border-radius: 12px;
  padding: 14px 18px;
}
.step-card .step-num {
  background: var(--violet);
  color: #fff;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 6px;
}
.name-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }

.danger-zone { margin-top: 30px; text-align: center; }
.danger-link { color: var(--muted); font-size: 0.85rem; background: none; border: none; cursor: pointer; text-decoration: underline; font-family: inherit; }

@media (max-width: 620px) {
  .card { padding: 18px 18px; }
  h1 { font-size: 1.4rem; }
  .header-inner { justify-content: center; }
}