:root {
  /* Couleurs */
  --bg-color: #f9fafb;
  --text-color: #111827;
  --card-bg: #ffffff;
  --card-alt-bg: #f3f4f6;
  --muted-text: #6b7280;
  --paragraph-text: #374151;
  --border-color: #d1d5db;
  --border-light: #e5e7eb;

  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --secondary: #e5e7eb;
  --secondary-hover: #d1d5db;
  --danger: #ef4444;
  --danger-hover: #dc2626;

  --alert-error-bg: #fee2e2;
  --alert-error-text: #b91c1c;
  --alert-success-bg: #d1fae5;
  --alert-success-text: #065f46;

  --nav-bg: #ffffff;
  --nav-link: #2563eb;
  --real-navlink: #2563eb;
  --nav-link-hover: #2563eb;
  --auth-button: #374151;
  --auth-button-hover: #2563eb;

  /* Layout */
  --radius: 0.5rem;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  --padding: 1.5rem;

  /* Polices */
  --font-title: 'FontTitre', serif;
  --font-body: 'FontTexte', sans-serif;
  --font-accent: 'FontAccent', monospace;
}

/* --- Structure de page --- */
.page-body {
  background-color: var(--bg-color);
  color: var(--text-color);
  padding: 1rem;
  font-family: var(--font-body);
}

.page-container {
  max-width: 72rem;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* --- Cartes & typographie --- */
.card {
  background-color: var(--card-bg);
  padding: var(--padding);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-dark {
  background-color: var(--card-alt-bg);
}

.card-title,
.title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-family: var(--font-title);
}

.card-subtitle,
.subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  font-family: var(--font-title);
}

.paragraph {
  color: var(--paragraph-text);
  line-height: 1.6;
  font-family: var(--font-body);
}

.italic {
  font-style: italic;
  font-family: var(--font-accent);
}

/* --- Formulaires --- */
.input,
.textarea {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  background-color: var(--card-bg);
  font-family: var(--font-body);
}

.input {
  padding: 0.5rem;
  margin-bottom: 1rem;
}

.textarea {
  padding: 0.75rem;
  resize: vertical;
  min-height: 120px;
}

/* --- Boutons --- */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-weight: 600;
  border-radius: 0.375rem;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: background-color 0.2s;
  font-family: var(--font-body);
}

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

.btn-secondary {
  background-color: var(--secondary);
  color: var(--text-color);
}
.btn-secondary:hover {
  background-color: var(--secondary-hover);
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}
.btn-danger:hover {
  background-color: var(--danger-hover);
}

/* --- Notes --- */
.note-card {
  background-color: var(--card-bg);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.note-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  font-family: var(--font-title);
}

.note-meta {
  font-size: 0.875rem;
  color: var(--muted-text);
  margin-bottom: 0.5rem;
  font-family: var(--font-body);
}

.note-content {
  white-space: pre-line;
  font-family: var(--font-body);
}

/* --- Calendrier --- */
.calendar-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
@media (min-width: 768px) {
  .calendar-wrapper {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- Liste des notes --- */
.notes-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* --- Navigation --- */
.navbar {
  background-color: var(--nav-bg);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
}

.navbar-inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-links {
  display: flex;
  gap: 3rem;
}

.nav-link {
  color: var(--nav-link);
  font-weight: 900;
  text-decoration: none;
  font-family: var(--font-body);
}
.nav-link:hover {
  text-decoration: underline;
}

.real-navlink{
  color: var(--nav-link);
  font-weight: 900;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 1.4em;
}


.auth-button {
  font-size: 0.875rem;
  color: var(--auth-button);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}
.auth-button:hover {
  color: var(--auth-button-hover);
}

/* --- Tableaux --- */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  text-align: left;
  font-family: var(--font-body);
}

.table th {
  background-color: var(--card-alt-bg);
  font-weight: 600;
}

/* --- Alertes --- */
.alert {
  padding: 0.75rem;
  border-radius: 0.375rem;
  font-weight: 500;
  font-family: var(--font-body);
}

.alert-error {
  background-color: var(--alert-error-bg);
  color: var(--alert-error-text);
}

.alert-success {
  background-color: var(--alert-success-bg);
  color: var(--alert-success-text);
}

.iframe-wrapper {
  position: relative;
  width: 100%;
  padding-top: 140%; /* Aspect ratio (4:5 environ) */
  overflow: hidden;
  border-radius: 6px;
}

.iframe-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}