:root {
  --academic-ink: #3c3c3c;
  --academic-ink-soft: #6b7280;
  --academic-primary: #58cc02;
  --academic-primary-dark: #3c8b04;
  --academic-primary-soft: #e3ffc7;
  --academic-background: #f7f9fa;
  --academic-surface: #ffffff;
  --academic-surface-soft: #f7f9fa;
  --academic-border: #e5e5e5;
  --academic-border-strong: #d3d3d3;
  --academic-success: #3c8b04;
  --academic-warning: #e08600;
  --academic-error: #d93030;
  --academic-shadow:
    0 16px 32px rgb(0 0 0 / 6%);
  --academic-shadow-small:
    0 8px 18px rgb(0 0 0 / 5%);
  --academic-radius: 20px;
  --academic-radius-small: 14px;

  --lvl-a1: #58cc02; --lvl-a1-dark: #3c8b04; --lvl-a1-ink: #23480a;
  --lvl-a2: #1cb0f6; --lvl-a2-dark: #1899d6; --lvl-a2-ink: #0c4a63;
  --lvl-b1: #ce82ff; --lvl-b1-dark: #a568cc; --lvl-b1-ink: #4a2566;
  --lvl-b2: #ff9600; --lvl-b2-dark: #e08600; --lvl-b2-ink: #ffffff;
  --lvl-c1: #ff4b4b; --lvl-c1-dark: #e63e3e; --lvl-c1-ink: #ffffff;
  --lvl-c2: #ffc800; --lvl-c2-dark: #e5b400; --lvl-c2-ink: #4a3900;
}

/* ==========================================================
   Structure générale
   ========================================================== */

body {
  background:
    radial-gradient(
      circle at 12% 4%,
      rgb(221 239 230 / 48%),
      transparent 28rem
    ),
    var(--academic-background);
  color: var(--academic-ink);
  font-family:
    ui-rounded,
    "SF Pro Rounded",
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2000;
  padding: 10px 16px;
  border: 2px solid #f8df8b;
  border-radius: 10px;
  background: var(--academic-primary-dark);
  color: #ffffff;
  font-weight: 850;
  text-decoration: none;
  box-shadow: 0 8px 20px rgb(16 63 50 / 22%);
  transform: translateY(-160%);
}

.skip-link:focus,
.skip-link:focus-visible {
  color: #ffffff;
  outline: 3px solid #f8df8b;
  outline-offset: 2px;
  transform: translateY(0);
}

.page-shell {
  width: min(
    1420px,
    calc(100% - 36px)
  );
  margin-inline: auto;
  padding-top: 34px;
  padding-bottom: 60px;
}

.site-header {
  border-bottom: 1px solid
    rgb(190 211 202 / 88%);
  background:
    rgb(255 255 255 / 94%);
  box-shadow:
    0 5px 22px rgb(23 63 52 / 5%);
  backdrop-filter: blur(15px);
}

.site-header__inner {
  width: min(
    1420px,
    calc(100% - 36px)
  );
  min-height: 72px;
  margin-inline: auto;
}

.site-brand {
  color: var(--academic-primary-dark);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.site-navigation a {
  border-radius: 10px;
  color: #375b4e;
  font-weight: 700;
}

.site-navigation a:hover,
.site-navigation a:focus-visible {
  background: var(--academic-primary-soft);
  color: var(--academic-primary-dark);
}

.site-navigation .button,
.inline-form .button {
  color: white;
}

.site-navigation .inline-form {
  display: inline-flex;
  align-items: center;
  align-self: center;
  margin: 0;
  vertical-align: middle;
}

.site-footer {
  border-top: 1px solid var(--academic-border);
  background: #edf5f1;
  color: #5c7068;
}

/* ==========================================================
   Titres, en-têtes et blocs d’introduction
   ========================================================== */

.hero,
.page-heading {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5vw, 62px);
  border: 1px solid var(--academic-border);
  border-radius: 24px;
  background:
    radial-gradient(
      circle at 84% 28%,
      rgb(215 237 226 / 82%),
      transparent 24rem
    ),
    linear-gradient(
      135deg,
      #ffffff,
      #eef7f2
    );
  box-shadow: var(--academic-shadow);
}

.hero::after,
.page-heading::after {
  position: absolute;
  width: 220px;
  height: 220px;
  right: -70px;
  bottom: -110px;
  border: 30px solid
    rgb(88 204 2 / 10%);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.hero h1,
.page-heading h1,
.section-heading h2 {
  color: var(--academic-ink);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.hero h1,
.page-heading h1 {
  margin-top: 0;
  font-size: clamp(
    2.5rem,
    5vw,
    4.8rem
  );
  line-height: 1;
}

.hero p,
.page-heading p,
.section-heading p {
  color: var(--academic-ink-soft);
  line-height: 1.65;
}

.section-heading {
  margin-top: 42px;
  margin-bottom: 20px;
}

.section-heading h2 {
  margin-bottom: 8px;
  font-size: clamp(
    1.65rem,
    3vw,
    2.35rem
  );
}

.breadcrumb,
.progress-breadcrumb {
  margin-bottom: 18px;
  color: #657970;
  font-size: 0.93rem;
  font-weight: 650;
}

.breadcrumb a,
.progress-breadcrumb a {
  color: var(--academic-primary-dark);
}

/* ==========================================================
   Cartes
   ========================================================== */

.card,
.auth-card,
.continue-card,
.adaptive-card,
.adaptive-practice-card,
.practice-section,
.placement-introduction,
.placement-question,
.placement-result,
.placement-breakdown,
.saved-placement-row,
.session-results,
.session-recommendation,
.review-schedule-card,
.priority-card,
.study-priorities,
.upcoming-reviews,
.empty-state {
  border: 1px solid var(--academic-border);
  border-radius: var(--academic-radius);
  background: var(--academic-surface);
  box-shadow: var(--academic-shadow-small);
}

.card,
.auth-card,
.continue-card,
.adaptive-card,
.adaptive-practice-card,
.practice-section,
.placement-introduction,
.placement-result,
.session-results,
.session-recommendation,
.review-schedule-card,
.study-priorities,
.upcoming-reviews,
.empty-state {
  padding: clamp(22px, 4vw, 36px);
}

.card h2,
.card h3,
.auth-card h1,
.auth-card h2,
.continue-card h2,
.adaptive-card h1,
.adaptive-card h2,
.practice-section h2,
.placement-result h2,
.session-results h2,
.session-recommendation h2 {
  color: var(--academic-ink);
  font-weight: 800;
}

.card p,
.auth-card p,
.continue-card p,
.adaptive-card p,
.practice-section p,
.placement-introduction p,
.session-results p {
  color: var(--academic-ink-soft);
  line-height: 1.6;
}

/* ==========================================================
   Boutons et liens d’action
   ========================================================== */

.button,
button.button,
input[type="submit"],
.adaptive-actions button,
.placement-actions button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 10px 20px;
  border: none;
  border-bottom: 4px solid var(--academic-primary-dark);
  border-radius: 16px;
  background: var(--academic-primary);
  color: white;
  box-shadow: none;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 90ms ease,
    border-bottom-width 90ms ease;
}

.button:hover,
button.button:hover,
input[type="submit"]:hover,
.adaptive-actions button:hover,
.placement-actions button:hover {
  color: white;
  transform: translateY(-1px);
  box-shadow: none;
}

.button:active,
button.button:active,
input[type="submit"]:active,
.adaptive-actions button:active,
.placement-actions button:active {
  transform: translateY(3px);
  border-bottom-width: 1px;
}

.button--secondary {
  border-bottom-color: var(--academic-border-strong);
  background: white;
  color: var(--academic-primary-dark);
  box-shadow: none;
}

.button--secondary:hover {
  border-bottom-color: var(--academic-primary);
  background: var(--academic-primary-soft);
  color: var(--academic-primary-dark);
}

.button--small {
  min-height: 38px;
  padding: 7px 14px;
  font-size: 0.9rem;
}

.site-navigation
.inline-form
.button.button--secondary {
  width: auto;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  border-color: var(--academic-border-strong);
  border-radius: 11px;
  background: white;
  color: var(--academic-primary-dark);
  font-size: 0.9rem;
  line-height: 1;
  box-shadow: none;
  transform: none;
}

.site-navigation
.inline-form
.button.button--secondary:hover,
.site-navigation
.inline-form
.button.button--secondary:focus-visible {
  border-color: var(--academic-primary-dark);
  background: var(--academic-primary-dark);
  color: white;
  box-shadow:
    0 8px 18px rgb(7 74 56 / 16%);
  transform: none;
}

.continue-link,
.review-link {
  color: var(--academic-primary-dark);
  font-weight: 800;
}

/* ==========================================================
   Niveaux et leçons
   ========================================================== */

.level-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.level-card {
  position: relative;
  min-height: 205px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--academic-border);
  border-bottom: 5px solid var(--academic-border);
  border-radius: var(--academic-radius);
  background: #ffffff;
  box-shadow: var(--academic-shadow-small);
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

.level-card::after {
  content: none;
}

.level-card:hover {
  border-color: var(--academic-border);
  border-bottom-color: var(--academic-primary);
  transform: translateY(-4px);
  box-shadow: var(--academic-shadow);
}

.level-card__code {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 16px;
  background: var(--academic-primary-soft);
  color: var(--academic-primary-dark);
  font-size: 1.45rem;
  font-weight: 900;
}

.level-card[data-level="A1"] { border-bottom-color: var(--lvl-a1); }
.level-card[data-level="A1"] .level-card__code { background: var(--lvl-a1); color: var(--lvl-a1-ink); }
.level-card[data-level="A2"] { border-bottom-color: var(--lvl-a2); }
.level-card[data-level="A2"] .level-card__code { background: var(--lvl-a2); color: var(--lvl-a2-ink); }
.level-card[data-level="B1"] { border-bottom-color: var(--lvl-b1); }
.level-card[data-level="B1"] .level-card__code { background: var(--lvl-b1); color: var(--lvl-b1-ink); }
.level-card[data-level="B2"] { border-bottom-color: var(--lvl-b2); }
.level-card[data-level="B2"] .level-card__code { background: var(--lvl-b2); color: var(--lvl-b2-ink); }
.level-card[data-level="C1"] { border-bottom-color: var(--lvl-c1); }
.level-card[data-level="C1"] .level-card__code { background: var(--lvl-c1); color: var(--lvl-c1-ink); }
.level-card[data-level="C2"] { border-bottom-color: var(--lvl-c2); }
.level-card[data-level="C2"] .level-card__code { background: var(--lvl-c2); color: var(--lvl-c2-ink); }

.level-card.is-locked {
  border-bottom-color: var(--academic-border);
}
.level-card.is-locked .level-card__code {
  background: #eceef0;
  color: #9ca6ab;
}

.level-card__name {
  color: var(--academic-ink);
  font-size: 1.18rem;
  font-weight: 800;
}

.level-card__count {
  color: var(--academic-ink-soft);
}

.lesson-list {
  display: grid;
  gap: 16px;
}

.lesson-card {
  padding: 23px 26px;
  border: 1px solid var(--academic-border);
  border-radius: 16px;
  background: white;
  box-shadow:
    0 8px 22px rgb(29 68 56 / 6%);
  transition:
    transform 150ms ease,
    border-color 150ms ease;
}

.lesson-card:hover {
  border-color: #a7c9bb;
  transform: translateX(4px);
}

.lesson-card__topic {
  color: var(--academic-primary-dark);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lesson-navigation {
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.lesson-candoflag {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 4px 0 26px;
  padding: 14px 20px;
  border: 2px solid var(--academic-primary);
  border-radius: 16px;
  background: var(--academic-primary-soft);
  color: var(--academic-primary-dark);
  font-weight: 700;
  line-height: 1.5;
}

.lesson-candoflag__icon {
  flex: 0 0 auto;
  color: var(--lvl-c2, #ffc800);
  font-size: 1.2rem;
}

.lesson-candoflag__label {
  display: block;
  margin-bottom: 2px;
  color: var(--academic-primary-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ==========================================================
   Exercices, choix et retours
   ========================================================== */

.exercise-form,
.placement-form {
  margin-top: 24px;
}

.choice,
.adaptive-choice,
.placement-choice {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  margin: 11px 0;
  padding: 16px 18px;
  border: 2px solid var(--academic-border);
  border-bottom: 4px solid var(--academic-border);
  border-radius: 14px;
  background: white;
  color: var(--academic-ink);
  font-weight: 600;
  cursor: pointer;
  transition:
    border-color 140ms ease,
    background 140ms ease,
    transform 140ms ease;
}

.choice:hover,
.adaptive-choice:hover,
.placement-choice:hover {
  border-color: var(--academic-primary);
  border-bottom-color: var(--academic-primary-dark);
  background: var(--academic-primary-soft);
  transform: translateX(3px);
}

.choice input,
.adaptive-choice input,
.placement-choice input {
  margin-top: 0.18rem;
  accent-color: var(--academic-primary);
}

.feedback,
.session-result__feedback {
  margin-top: 20px;
  padding: 18px 20px;
  border-radius: 14px;
  font-weight: 600;
  line-height: 1.55;
}

.feedback-correct {
  border: 2px solid var(--academic-primary);
  border-left: 6px solid var(--academic-primary);
  background: var(--academic-primary-soft);
  color: var(--academic-primary-dark);
}

.feedback-incorrect,
.feedback-error,
.placement-error {
  border: 2px solid #ffb3b3;
  border-left: 6px solid #ff4b4b;
  background: #ffe1e1;
  color: #b42318;
}

/* ==========================================================
   Formulaires et authentification
   ========================================================== */

.auth-card {
  width: min(620px, 100%);
  margin: 44px auto;
}

.form-row {
  margin-bottom: 20px;
}

.form-row label {
  display: block;
  margin-bottom: 8px;
  color: #294f41;
  font-weight: 800;
}

.form-row input,
.form-row select,
.form-row textarea,
.auth-card input,
.auth-card select,
.auth-card textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid var(--academic-border-strong);
  border-radius: 10px;
  background: white;
  color: var(--academic-ink);
  font: inherit;
  outline: none;
}

.form-row textarea,
.auth-card textarea {
  min-height: 130px;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus,
.auth-card input:focus,
.auth-card select:focus,
.auth-card textarea:focus {
  border-color: var(--academic-primary);
  box-shadow:
    0 0 0 4px rgb(12 104 75 / 12%);
}

.help-text {
  margin-top: 7px;
  color: #6c7d76;
  font-size: 0.88rem;
  line-height: 1.45;
}

.errorlist {
  margin: 8px 0;
  padding: 12px 16px 12px 34px;
  border-radius: 10px;
  background: #fff0f0;
  color: var(--academic-error);
}

.auth-alternative {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--academic-border);
  text-align: center;
}

/* ==========================================================
   Placement et entraînement adaptatif
   ========================================================== */

.placement-onboarding,
.adaptive-shell {
  width: min(960px, 100%);
  margin-inline: auto;
}

.placement-question {
  margin-bottom: 22px;
  padding: 26px;
}

.placement-level,
.adaptive-meta,
.progress-eyebrow {
  color: var(--academic-primary-dark);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.placement-result__level {
  display: inline-grid;
  place-items: center;
  min-width: 92px;
  min-height: 92px;
  margin: 15px 0;
  border-radius: 24px;
  background: var(--academic-primary-soft);
  color: var(--academic-primary-dark);
  font-size: 2.1rem;
  font-weight: 900;
}

.placement-breakdown {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
  padding: 20px;
}

.placement-breakdown__item,
.session-stat {
  padding: 17px;
  border: 1px solid var(--academic-border);
  border-radius: 13px;
  background: var(--academic-surface-soft);
  text-align: center;
}

.adaptive-actions,
.placement-actions {
  margin-top: 25px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.session-summary-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

/* ==========================================================
   Priorités, progression et tableaux
   ========================================================== */

.priority-grid {
  display: grid;
  grid-template-columns:
    repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.priority-card {
  padding: 22px;
}

.priority-reason {
  color: var(--academic-ink-soft);
  line-height: 1.55;
}

.summary {
  display: grid;
  grid-template-columns:
    repeat(4, minmax(0, 1fr));
  gap: 17px;
}

.summary > div,
.summary .card {
  padding: 20px;
  border: 1px solid var(--academic-border);
  border-radius: 16px;
  background: white;
  box-shadow: var(--academic-shadow-small);
}

.value {
  color: var(--academic-ink);
  font-size: 2rem;
  font-weight: 900;
}

.table-wrapper,
.review-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--academic-border);
  border-radius: 16px;
  background: white;
  box-shadow: var(--academic-shadow-small);
}

table,
.review-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

th {
  padding: 15px 17px;
  border-bottom: 1px solid var(--academic-border-strong);
  background: #edf6f1;
  color: #274f41;
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.035em;
  text-align: left;
}

td {
  padding: 15px 17px;
  border-bottom: 1px solid #e4ece8;
  color: #435c53;
}

tbody tr:hover {
  background: #f5faf7;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.completion-wrap {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #dce9e3;
}

.completion-value {
  height: 100%;
  border-radius: inherit;
  background:
    linear-gradient(
      90deg,
      var(--academic-primary-dark),
      var(--academic-primary)
    );
}

.review-status {
  display: inline-flex;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--academic-primary-soft);
  color: var(--academic-primary-dark);
  font-size: 0.82rem;
  font-weight: 850;
}

.review-status--due {
  background: #fff0cf;
  color: #825a16;
}

/* ==========================================================
   Responsive
   ========================================================== */

@media (min-width: 761px) and (max-width: 1050px) {
  .site-header__inner {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px 18px;
  }

  .site-brand {
    flex: 0 0 100%;
  }

  .site-navigation {
    width: 100%;
    justify-content: flex-start;
    flex: 0 0 100%;
    flex-wrap: wrap;
    gap: 6px 8px;
  }

  .site-navigation form {
    margin-left: 0;
  }
}

@media (max-width: 1050px) {
  .level-grid {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

  .summary {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

  .priority-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .page-shell,
  .site-header__inner {
    width: min(
      100% - 20px,
      1420px
    );
  }

  .page-shell {
    padding-top: 20px;
  }

  .hero,
  .page-heading {
    padding: 26px 22px;
    border-radius: 18px;
  }

  .hero h1,
  .page-heading h1 {
    font-size: 2.55rem;
  }

  .level-grid,
  .placement-breakdown,
  .session-summary-grid,
  .summary {
    grid-template-columns: 1fr;
  }

  .level-card {
    min-height: auto;
  }

  .lesson-navigation {
    align-items: stretch;
    flex-direction: column;
  }

  .lesson-navigation .button {
    width: 100%;
  }

  .card,
  .auth-card,
  .continue-card,
  .adaptive-card,
  .practice-section,
  .placement-introduction,
  .placement-result,
  .session-results {
    padding: 22px;
    border-radius: 16px;
  }

  th,
  td {
    padding: 12px;
  }
}

/* Academic completion progress fix */

html[data-theme="academic"]
.completion-cell
.completion-wrap {
  width: 100%;
  height: auto;
  min-width: 230px;
  display: grid;
  grid-template-columns:
    minmax(150px, 1fr)
    auto;
  align-items: center;
  gap: 12px;
  overflow: visible;
  border-radius: 0;
  background: transparent;
}

html[data-theme="academic"]
.completion-cell progress {
  width: 100%;
  height: 12px;
  display: block;
  overflow: hidden;
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  border-radius: 999px;
  background: #dce9e3;
}

html[data-theme="academic"]
.completion-cell progress::-webkit-progress-bar {
  border-radius: 999px;
  background: #dce9e3;
}

html[data-theme="academic"]
.completion-cell progress::-webkit-progress-value {
  border-radius: 999px;
  background:
    linear-gradient(
      90deg,
      var(--academic-primary-dark),
      var(--academic-primary)
    );
}

html[data-theme="academic"]
.completion-cell progress::-moz-progress-bar {
  border-radius: 999px;
  background:
    linear-gradient(
      90deg,
      var(--academic-primary-dark),
      var(--academic-primary)
    );
}

html[data-theme="academic"]
.completion-cell
.completion-value {
  width: auto;
  min-width: 52px;
  height: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--academic-primary-soft);
  color: var(--academic-primary-dark);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.2;
  white-space: nowrap;
}

@media (max-width: 700px) {
  html[data-theme="academic"]
  .completion-cell
  .completion-wrap {
    min-width: 190px;
    grid-template-columns:
      minmax(115px, 1fr)
      auto;
    gap: 8px;
  }
}

/* End Academic completion progress fix */