:root {
  color-scheme: dark;
  --admin-bg: #090613;
  --admin-surface: rgba(19, 16, 35, 0.85);
  --admin-border: rgba(255, 255, 255, 0.08);
  --admin-accent: #8a00ff;
  --admin-muted: rgba(255, 255, 255, 0.65);
  --admin-text: #ffffff;
  --admin-radius: 16px;
  --admin-radius-sm: 12px;
  --admin-transition: 0.25s ease;
  font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

body.admin-body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at top left, rgba(138, 0, 255, 0.22), transparent 55%),
    var(--admin-bg);
  color: var(--admin-text);
  display: flex;
  flex-direction: column;
}

.admin-main,
.admin-dashboard {
  width: min(1180px, 94vw);
  margin: auto;
  padding: 32px 0 72px;
  display: grid;
  gap: 32px;
}

[data-tab-container] [data-panel] {
  display: none;
}

[data-tab-container][data-active-tab='accueil'] [data-panel='accueil'],
[data-tab-container][data-active-tab='identite'] [data-panel='identite'] {
  display: grid;
  gap: 28px;
}

.admin-tabs {
  width: min(1180px, 94vw);
  margin: 24px auto 0;
  display: flex;
  gap: 12px;
  background: rgba(13, 10, 26, 0.6);
  border-radius: 999px;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-tab {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--admin-muted);
  font: inherit;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--admin-transition), color var(--admin-transition), transform var(--admin-transition);
}

.admin-tab--active,
.admin-tab:hover,
.admin-tab:focus {
  background: rgba(138, 0, 255, 0.18);
  color: var(--admin-text);
  transform: translateY(-1px);
  outline: none;
}

.admin-panel {
  display: grid;
  grid-template-columns: minmax(220px, 260px) 1fr;
  gap: 28px;
  align-items: start;
}

.admin-sidebar {
  position: sticky;
  top: 32px;
  align-self: start;
  background: rgba(16, 12, 30, 0.65);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 24px;
  display: grid;
  gap: 16px;
}

[data-tab-container][data-active-tab='accueil'] [data-sidebar-group='accueil'],
[data-tab-container][data-active-tab='identite'] [data-sidebar-group='identite'] {
  display: grid;
}

.admin-sidebar__title {
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--admin-muted);
}

.admin-sidebar__nav {
  display: grid;
  gap: 8px;
}

.admin-sidebar__link {
  color: var(--admin-muted);
  text-decoration: none;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--admin-radius-sm);
  transition: background var(--admin-transition), color var(--admin-transition);
}

.admin-sidebar__link:hover,
.admin-sidebar__link:focus,
.admin-sidebar__link.is-active {
  background: rgba(138, 0, 255, 0.14);
  color: var(--admin-text);
  outline: none;
}

.admin-content {
  display: grid;
  gap: 28px;
}

.admin-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 24px;
  padding: 48px;
  box-shadow: 0 20px 60px rgba(5, 3, 15, 0.35);
  display: grid;
  gap: 28px;
}

.admin-card__eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--admin-muted);
}

.admin-card__header h1 {
  margin: 8px 0 12px;
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
}

.admin-form {
  display: grid;
  gap: 20px;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  align-items: end;
}

.admin-grid-list {
  display: grid;
  gap: 20px;
}

.admin-field {
  display: grid;
  gap: 8px;
  color: var(--admin-muted);
  font-size: 0.95rem;
}

.admin-field span {
  font-weight: 500;
}

.admin-field input,
.admin-field textarea {
  width: 100%;
  border-radius: var(--admin-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 6, 20, 0.75);
  color: var(--admin-text);
  padding: 12px 16px;
  font: inherit;
  transition: border-color var(--admin-transition), box-shadow var(--admin-transition);
}

.admin-field input[type='file'] {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--admin-text);
}

.admin-field input[type='file']::file-selector-button {
  font: inherit;
  padding: 8px 16px;
  margin-right: 12px;
  border-radius: var(--admin-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(8, 6, 20, 0.85);
  color: var(--admin-text);
  cursor: pointer;
  transition: background var(--admin-transition), border-color var(--admin-transition), color var(--admin-transition);
}

.admin-field input[type='file']::file-selector-button:hover,
.admin-field input[type='file']::file-selector-button:focus {
  background: rgba(138, 0, 255, 0.22);
  border-color: rgba(138, 0, 255, 0.5);
  color: var(--admin-text);
  outline: none;
}

.admin-help-text {
  margin: 4px 0 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.58);
}

.admin-field input:focus,
.admin-field textarea:focus {
  outline: none;
  border-color: rgba(138, 0, 255, 0.6);
  box-shadow: 0 0 0 4px rgba(138, 0, 255, 0.18);
}

.admin-field textarea {
  resize: vertical;
  min-height: 110px;
}

.admin-field--full {
  grid-column: 1 / -1;
}

.admin-field--checkbox {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.admin-field--checkbox input {
  width: auto;
  height: 18px;
}

.admin-button {
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(138, 0, 255, 0.85), rgba(77, 54, 255, 0.85));
  color: var(--admin-text);
  border: none;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  justify-self: start;
  transition: transform var(--admin-transition), box-shadow var(--admin-transition);
}

.admin-button:hover,
.admin-button:focus {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(138, 0, 255, 0.3);
}

.admin-button--ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 10px 20px;
  box-shadow: none;
}

.admin-button--ghost:hover,
.admin-button--ghost:focus {
  border-color: rgba(138, 0, 255, 0.6);
  box-shadow: 0 12px 25px rgba(138, 0, 255, 0.2);
}

.admin-back {
  color: var(--admin-muted);
  text-decoration: none;
  justify-self: start;
  transition: color var(--admin-transition);
}

.admin-back:hover,
.admin-back:focus {
  color: var(--admin-text);
}

.admin-topbar {
  width: min(1120px, 92vw);
  margin: 48px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.admin-topbar__eyebrow {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--admin-muted);
}

.admin-topbar h1 {
  margin: 6px 0 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.admin-section {
  background: var(--admin-surface);
  border-radius: var(--admin-radius);
  border: 1px solid var(--admin-border);
  padding: 32px;
  display: grid;
  gap: 20px;
  box-shadow: 0 18px 45px rgba(7, 4, 18, 0.35);
}

.admin-section > header h2 {
  margin: 0 0 6px;
  font-size: 1.4rem;
}

.admin-section > header p {
  margin: 0;
  color: var(--admin-muted);
}

.admin-fieldset {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--admin-radius);
  padding: 24px;
  display: grid;
  gap: 16px;
  background: rgba(10, 7, 24, 0.65);
}

.admin-fieldset--muted {
  background: rgba(10, 7, 24, 0.4);
  border-style: dashed;
}

.admin-fieldset legend {
  padding: 0 8px;
  font-weight: 600;
  color: var(--admin-text);
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.flash {
  padding: 16px 20px;
  border-radius: var(--admin-radius);
  font-size: 0.95rem;
}

.flash--success {
  background: rgba(24, 180, 123, 0.18);
  border: 1px solid rgba(24, 180, 123, 0.38);
}

.flash--error {
  background: rgba(217, 33, 99, 0.18);
  border: 1px solid rgba(217, 33, 99, 0.38);
}

@media (max-width: 900px) {
  .admin-card,
  .admin-section {
    padding: 28px;
  }

  .admin-topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-tabs,
  .admin-dashboard,
  .admin-main {
    width: min(100%, 92vw);
  }

  .admin-panel {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
    order: -1;
  }
}

@media (max-width: 600px) {
  .admin-card {
    padding: 24px;
  }

  .admin-fieldset {
    padding: 20px;
  }

  .admin-form-grid {
    grid-template-columns: 1fr;
  }

  .admin-tabs {
    flex-direction: column;
    gap: 8px;
  }
}