:root {
  --bg: #faf6f0;
  --bg-alt: #f1e9dd;
  --ink: #2f2a24;
  --ink-soft: #5c5347;
  --accent: #8a7256;
  --accent-dark: #6b5842;
  --success: #4c6b4f;
  --success-bg: #e6ede6;
  --pending: #a06b2e;
  --pending-bg: #f5e9d8;
  --danger: #a33e3e;
  --border: #e2d8c8;
  --radius: 10px;
  --serif: 'Cormorant Garamond', serif;
  --sans: 'Jost', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
}

h1 { font-size: 2.4rem; margin-top: 0; }
h2 { font-size: 1.7rem; }

a { color: var(--accent-dark); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
}

.brand-logo {
  height: 42px;
  width: 42px;
  object-fit: contain;
  border-radius: 50%;
}

.site-nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--accent-dark);
  border-bottom: 2px solid var(--accent-dark);
}

/* Bouton hamburger : caché sur grand écran, affiché sur mobile (voir plus bas) */
.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 2px;
}

.hero {
  min-height: 60vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 2rem;
}

.hero-content h1 {
  color: #fff;
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.hero-content p {
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
}

.section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.section.narrow {
  max-width: 560px;
}

.about {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.about-photo {
  flex: 1 1 320px;
}

.about-photo img {
  width: 100%;
  border-radius: var(--radius);
  display: block;
  object-fit: cover;
  max-height: 420px;
}

.about-text {
  flex: 1 1 360px;
}

.about-text p {
  text-align: justify;
}

.about-text .btn {
  display: block;
  width: fit-content;
  margin: 0 auto;
}

.gallery h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.gallery-grid img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

.gallery-item {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 8px;
  transition: opacity 0.15s ease;
}

.about-photo .gallery-item img {
  width: 100%;
  border-radius: var(--radius);
  display: block;
  object-fit: cover;
  max-height: 420px;
  height: auto;
}

.gallery-item:hover {
  opacity: 0.85;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 13, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 100;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 6px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.lightbox-close {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

@media (max-width: 640px) {
  .lightbox-nav { width: 2.4rem; height: 2.4rem; font-size: 0.95rem; }
  .lightbox-prev { left: 0.4rem; }
  .lightbox-next { right: 0.4rem; }
}

.btn {
  display: inline-block;
  font-family: inherit;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent-dark);
  color: #fff;
}

.btn-primary:hover { background: var(--accent); }

.btn-outline {
  background: transparent;
  color: var(--accent-dark);
  border-color: var(--accent-dark);
}

.btn-disabled,
.btn-disabled:hover {
  background: var(--border);
  color: var(--ink-soft);
  cursor: not-allowed;
}

.btn-small {
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}

.prices-info {
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

.course-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.month-group {
  margin-bottom: 1rem;
}

.month-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.2rem;
  background: var(--bg-alt);
  border-radius: var(--radius);
  cursor: pointer;
  list-style: none;
}

.month-group summary::-webkit-details-marker {
  display: none;
}

.month-group summary::after {
  content: '';
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid var(--ink-soft);
  border-bottom: 2px solid var(--ink-soft);
  transform: rotate(45deg);
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.month-group[open] summary::after {
  transform: rotate(-135deg);
}

.month-label {
  font-family: var(--serif);
  font-size: 1.3rem;
  text-transform: capitalize;
  flex: 1;
}

.month-count {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.month-group .course-list {
  margin-top: 0.75rem;
}

/* Le badge de date n'est affiché que sur mobile (voir la media query en bas du fichier) */
.course-badge {
  display: none;
}

.course-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.4rem;
  flex-wrap: wrap;
}

.course-date {
  display: flex;
  flex-direction: column;
}

.course-date .day {
  font-family: var(--serif);
  font-size: 1.2rem;
  text-transform: capitalize;
}

.course-date .time {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.spots-left {
  color: var(--success);
  font-weight: 500;
}

.spots-full {
  color: var(--danger);
  font-weight: 500;
}

.empty-state {
  color: var(--ink-soft);
}

.course-recap {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
}

.booking-form,
.admin-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.admin-form { margin-bottom: 2rem; }

.booking-form label,
.admin-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-row label { flex: 1 1 140px; }

.admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.4rem;
}

.admin-nav a { margin-left: 0; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

.stat-value {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.1;
  font-variant-numeric: lining-nums;
  color: var(--accent-dark);
}

.stat-value small {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--ink-soft);
}

.stat-label {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

/* Écran large : les 6 cartes tiennent sur une seule ligne */
@media (min-width: 900px) {
  .stat-grid { grid-template-columns: repeat(6, 1fr); }
  .stat-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .stat-grid--4 { grid-template-columns: repeat(4, 1fr); }
  .stat-card { padding: 1rem; }
}

.fill-bar {
  width: 100%;
  min-width: 90px;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--bg-alt);
  overflow: hidden;
}

.fill-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
}

.row-past { color: var(--ink-soft); }

.tariff-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 0.8rem;
}

.tariff-edit {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem;
  flex: 1 1 320px;
}

.tariff-edit label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1 1 140px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* Un élément avec l'attribut hidden doit rester caché même si une règle lui donne un display */
[hidden] { display: none !important; }

input,
select {
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 1rem;
  background: var(--bg);
  color: var(--ink);
}

.form-error {
  color: var(--danger);
  background: #fbe9e9;
  padding: 0.7rem 1rem;
  border-radius: 6px;
}

.form-hint {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.formule-choice {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.formule-choice legend {
  padding: 0 0.4rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.formule-option {
  flex-direction: row !important;
  align-items: center;
  gap: 0.6rem !important;
  font-size: 0.95rem;
  color: var(--ink) !important;
}

.formule-option input {
  width: auto;
}

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  margin: 1rem 0;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-pending { background: var(--pending-bg); color: var(--pending); }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.admin-table th {
  background: var(--bg-alt);
  color: var(--ink-soft);
  font-weight: 500;
}

.admin-row-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.admin-login {
  margin-top: 4rem;
}

.back-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
}

.site-footer {
  text-align: center;
  padding: 2rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content h1 { font-size: 2.2rem; }

  /* Navigation en hamburger : logo + bouton sur une ligne, liens dépliés dessous */
  .site-header {
    padding: 0.75rem 1.25rem;
    gap: 0.5rem 1rem;
  }
  .nav-toggle { display: flex; }
  .site-nav,
  .nav-logout {
    flex-basis: 100%;
  }
  .site-nav,
  .admin-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .site-nav a,
  .admin-nav a {
    margin-left: 0;
    padding: 0.8rem 0.25rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
  }
  .site-nav a.active,
  .site-nav a:hover {
    border-bottom: 1px solid var(--border);
    font-weight: 500;
  }
  .nav-logout { padding-top: 0.5rem; }
  .nav-logout .btn { width: 100%; }

  /* Replié tant que le menu n'est pas ouvert (seulement si le JavaScript est chargé) */
  .nav-js .site-nav,
  .nav-js .nav-logout { display: none; }
  .nav-js.is-open .site-nav { display: flex; }
  .nav-js.is-open .nav-logout { display: block; }

  /* Hamburger -> croix */
  .is-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .is-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .is-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .course-card {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Carte de cours sur mobile : badge de date à gauche, infos à côté, bouton pleine largeur */
  .course-card--dated {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas:
      'badge date'
      'badge spots'
      'action action';
    column-gap: 1rem;
    row-gap: 0.3rem;
    align-items: center;
    padding: 1.1rem;
  }

  .course-card--dated .course-badge {
    grid-area: badge;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 3.9rem;
    height: 3.9rem;
    border-radius: 14px;
    background: var(--bg-alt);
    color: var(--accent-dark);
  }

  .badge-day {
    font-family: var(--serif);
    font-size: 1.7rem;
    font-weight: 600;
    line-height: 1;
  }

  .badge-month {
    margin-top: 0.15rem;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .course-card--dated .course-date { grid-area: date; }
  .course-card--dated .course-spots { grid-area: spots; }

  .course-card--dated .course-spots span {
    display: inline-block;
    padding: 0.15rem 0.7rem;
    border-radius: 999px;
    font-size: 0.85rem;
  }

  .course-card--dated .spots-left { background: var(--success-bg); }
  .course-card--dated .spots-full { background: #fbe9e9; }

  .course-card--dated .course-action {
    grid-area: action;
    margin-top: 0.7rem;
  }

  .course-card--dated .course-action .btn {
    display: block;
    width: 100%;
    text-align: center;
  }

  .admin-table thead {
    display: none;
  }

  .admin-table,
  .admin-table tbody,
  .admin-table tr,
  .admin-table td {
    display: block;
    width: 100%;
  }

  .admin-table tr {
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
  }

  .admin-table tr:last-child {
    margin-bottom: 0;
  }

  .admin-table td {
    text-align: left;
    border-bottom: none;
    padding: 0.35rem 1rem;
  }

  .admin-table td:first-child {
    padding-top: 0.7rem;
  }

  .admin-table td:last-child {
    padding-bottom: 0.7rem;
  }

  .admin-table td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-size: 0.75rem;
    color: var(--ink-soft);
    margin-bottom: 0.15rem;
  }

  .admin-row-actions {
    flex-wrap: wrap;
  }

  .section { padding: 2rem 1.1rem; }

  /* --- Admin mobile : liste des cours en cartes compactes --- */
  .admin-table--courses,
  .admin-table--attendees {
    background: transparent;
    border: none;
    border-radius: 0;
    overflow: visible;
  }

  .admin-table--courses tr,
  .admin-table--attendees tr {
    display: grid;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    margin-bottom: 0.8rem;
    row-gap: 0.35rem;
    column-gap: 0.75rem;
  }

  .admin-table--courses td,
  .admin-table--courses td:first-child,
  .admin-table--courses td:last-child,
  .admin-table--attendees td,
  .admin-table--attendees td:first-child,
  .admin-table--attendees td:last-child {
    width: auto;
    padding: 0;
  }

  .admin-table--courses td[data-label]::before,
  .admin-table--attendees td[data-label]::before {
    display: none;
  }

  .admin-table--courses tr {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      'date places'
      'time places'
      'inscrits inscrits'
      'actions actions';
    align-items: center;
  }

  .admin-table--courses .c-date {
    grid-area: date;
    font-family: var(--serif);
    font-size: 1.25rem;
    text-transform: capitalize;
  }
  .admin-table--courses .c-time { grid-area: time; color: var(--ink-soft); }
  .admin-table--courses .c-places {
    grid-area: places;
    padding: 0.25rem 0.8rem;
    border-radius: 999px;
    background: var(--bg-alt);
    font-weight: 500;
  }
  .admin-table--courses .c-inscrits { grid-area: inscrits; margin-top: 0.5rem; }
  .admin-table--courses .c-actions { grid-area: actions; }

  .admin-table--courses .c-inscrits a {
    display: block;
    padding: 0.65rem 1rem;
    border: 1px solid var(--accent-dark);
    border-radius: 999px;
    text-align: center;
    text-decoration: none;
    font-weight: 500;
  }

  .admin-table--courses .c-actions,
  .admin-table--attendees .a-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
  }

  .admin-table--courses .c-actions .btn,
  .admin-table--attendees .a-actions .btn {
    display: block;
    width: 100%;
    text-align: center;
  }

  /* --- Admin mobile : inscrits d'une séance --- */
  .admin-table--attendees tr {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      'name status'
      'phone phone'
      'email email'
      'tarif tarif'
      'actions actions';
    align-items: center;
  }

  .admin-table--attendees .is-empty { display: none; }

  .admin-table--attendees .a-name {
    grid-area: name;
    font-weight: 500;
    font-size: 1.05rem;
  }
  .admin-table--attendees .a-status {
    grid-area: status;
    padding: 0.15rem 0.7rem;
    border-radius: 999px;
    background: var(--bg-alt);
    font-size: 0.8rem;
    text-align: center;
  }
  .admin-table--attendees .a-phone { grid-area: phone; }
  .admin-table--attendees .a-email { grid-area: email; color: var(--ink-soft); overflow-wrap: anywhere; }
  .admin-table--attendees .a-tarif { grid-area: tarif; color: var(--ink-soft); }
  .admin-table--attendees .a-actions { grid-area: actions; grid-template-columns: 1fr; margin-top: 0.4rem; }

  /* --- Admin mobile : les tableaux de statistiques restent de vrais tableaux, en compact --- */
  .admin-table--stats { display: table; width: 100%; }
  .admin-table--stats thead { display: table-header-group; }
  .admin-table--stats tbody { display: table-row-group; }
  .admin-table--stats tr { display: table-row; margin: 0; border-bottom: none; }
  .admin-table--stats th,
  .admin-table--stats td,
  .admin-table--stats td:first-child,
  .admin-table--stats td:last-child {
    display: table-cell;
    width: auto;
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.82rem;
  }
  .admin-table--stats td:last-child { white-space: nowrap; }
  .admin-table--stats td[data-label]::before { display: none; }
  .admin-table--stats .fill-bar { min-width: 50px; }

  /* --- Admin mobile : liste des abonnements en cartes --- */
  .admin-table--subs {
    background: transparent;
    border: none;
    border-radius: 0;
    overflow: visible;
  }

  .admin-table--subs tr {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      'name price'
      'sessions date'
      'phone phone'
      'email email'
      'actions actions';
    align-items: center;
    row-gap: 0.35rem;
    column-gap: 0.75rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    margin-bottom: 0.8rem;
  }

  .admin-table--subs td,
  .admin-table--subs td:first-child,
  .admin-table--subs td:last-child {
    width: auto;
    padding: 0;
  }

  .admin-table--subs td[data-label]::before { display: none; }
  .admin-table--subs .is-empty { display: none; }

  .admin-table--subs .s-name { grid-area: name; font-weight: 500; font-size: 1.05rem; }
  .admin-table--subs .s-price {
    grid-area: price;
    padding: 0.2rem 0.75rem;
    border-radius: 999px;
    background: var(--bg-alt);
    font-weight: 500;
    white-space: nowrap;
  }
  .admin-table--subs .s-sessions { grid-area: sessions; color: var(--ink-soft); }
  .admin-table--subs .s-date { grid-area: date; color: var(--ink-soft); font-size: 0.85rem; }
  .admin-table--subs .s-phone { grid-area: phone; }
  .admin-table--subs .s-email { grid-area: email; color: var(--ink-soft); overflow-wrap: anywhere; }
  .admin-table--subs .s-actions {
    grid-area: actions;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-top: 0.4rem;
  }
  .admin-table--subs .s-actions .btn { display: block; width: 100%; text-align: center; }
}