/* ==========================================================================
   components.css — header, footer, boutons, cartes, formulaires
   ========================================================================== */

/* --------------------------------------------------------------- Boutons -- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition);
  white-space: nowrap;
}
/* Micro-interaction : légère élévation au survol, retour à l'appui (sobre). */
.btn:hover:not(:active):not(.is-loading) { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--cobalt-blue);
  color: #fff;
}
.btn-primary:hover { background: var(--cobalt-blue-soft); }

.btn-secondary {
  background: transparent;
  border-color: var(--cobalt-border);
  color: var(--cobalt-text);
}
.btn-secondary:hover {
  background: var(--cobalt-surface-2);
  border-color: #35353b;
}

.btn-block { width: 100%; }

/* État « chargement » (polish.js) : spinner centré, texte masqué, non cliquable. */
.btn.is-loading { color: transparent !important; position: relative; pointer-events: none; }
.btn.is-loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.05em;
  height: 1.05em;
  margin: -0.525em 0 0 -0.525em;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  color: #fff;
  animation: btn-spin 0.6s linear infinite;
}
.btn-secondary.is-loading::after, .btn-ghost.is-loading::after { color: var(--cobalt-text); }
@keyframes btn-spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------------- Header -- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition), border-color var(--transition);
}
/* S'opacifie légèrement au scroll (classe ajoutée en JS) */
.site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.9);
  border-bottom-color: var(--cobalt-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--cobalt-text);
}
.brand img { height: 30px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-links a {
  color: var(--cobalt-text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--cobalt-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Sélecteur de langue */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cobalt-text-dim);
  border: 1px solid var(--cobalt-border);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), border-color var(--transition);
}
.lang-switch:hover {
  color: var(--cobalt-text);
  border-color: #35353b;
}
/* Sélecteur de langue amélioré (globe + langue courante mise en avant). */
.lang-switch--pill .lang-globe { opacity: 0.8; }
.lang-switch--pill .lang-cur { color: var(--cobalt-text); }
.lang-switch--pill .lang-sep { opacity: 0.5; }
.lang-switch--pill .lang-alt { color: var(--cobalt-text-dim); }
.lang-switch--pill:hover .lang-alt { color: var(--cobalt-text); }

/* Bouton burger (mobile uniquement) */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--cobalt-border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}
.burger span {
  display: block;
  height: 2px;
  width: 20px;
  margin-inline: auto;
  background: var(--cobalt-text);
  transition: transform var(--transition), opacity var(--transition);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------------------------------------------------------- Footer -- */
.site-footer {
  border-top: 1px solid var(--cobalt-border);
  background: var(--cobalt-bg);
  padding-block: clamp(3rem, 6vw, 4.5rem);
  margin-top: var(--space-section);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 2.5rem;
}
.footer-brand .brand { margin-bottom: 1rem; }
.footer-slogan {
  color: var(--cobalt-text-dim);
  max-width: 24ch;
}
.footer-col h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cobalt-text-dim);
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer-col ul { display: grid; gap: 0.6rem; }
.footer-col a {
  color: var(--cobalt-text-dim);
  font-size: 0.95rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--cobalt-text); }

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--cobalt-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.9rem; margin: 0; }

/* ----------------------------------------------------------------- Cartes -- */
.card {
  background: var(--cobalt-surface);
  border: 1px solid var(--cobalt-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition), border-color var(--transition),
              background-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-3px);
  border-color: #34343b;
  background: var(--cobalt-surface-2);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}
.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}
.card p { margin: 0; }

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(26, 110, 245, 0.12);
  color: var(--cobalt-blue-soft);
  margin-bottom: 1.1rem;
  font-weight: 700;
}

/* ------------------------------------------------------------- Formulaires -- */
.field {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
}
.field label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--cobalt-text);
}
.input,
textarea.input {
  width: 100%;
  background: var(--cobalt-surface);
  border: 1px solid var(--cobalt-border);
  color: var(--cobalt-text);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input::placeholder { color: #6b6b74; }
.input:focus {
  outline: none;
  border-color: var(--cobalt-blue);
  box-shadow: 0 0 0 3px rgba(26, 110, 245, 0.25);
}
textarea.input { resize: vertical; min-height: 140px; }

/* -------------------------------------- Polissage formulaires (polish.js) -- */
/* Œil afficher/masquer : le champ est enveloppé dans .pw-wrap au chargement. */
.pw-wrap { position: relative; }
.pw-wrap .input { padding-right: 2.75rem; }
.pw-toggle {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--cobalt-text-dim);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background-color var(--transition);
}
.pw-toggle:hover { color: var(--cobalt-text); background: var(--cobalt-surface-2); }
.pw-toggle:focus-visible { outline: 2px solid var(--cobalt-blue); outline-offset: 2px; }

/* Avertissement Caps Lock */
.field-caps {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: #f0c674;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.field-caps::before { content: "⇪"; font-weight: 700; }
.field-caps[hidden] { display: none; }

/* Indicateur de force du mot de passe */
.pw-strength { margin-top: 0.55rem; display: none; }
.pw-strength.is-on { display: block; }
.pw-strength-bar {
  height: 5px;
  border-radius: 999px;
  background: var(--cobalt-surface-2);
  overflow: hidden;
}
.pw-strength-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  transition: width var(--transition), background-color var(--transition);
}
.pw-strength[data-level="1"] .pw-strength-bar span { background: #e5654b; }
.pw-strength[data-level="2"] .pw-strength-bar span { background: #e5b34b; }
.pw-strength[data-level="3"] .pw-strength-bar span { background: #3ecf8e; }
.pw-strength-label { display: inline-block; margin-top: 0.3rem; font-size: 0.78rem; color: var(--cobalt-text-dim); }

/* Message de correspondance des mots de passe */
.field-match { margin-top: 0.4rem; font-size: 0.8rem; }
.field-match.is-ok { color: #3ecf8e; }
.field-match.is-bad { color: #f2b8b8; }
.field-match[hidden] { display: none; }

/* Validation e-mail en direct (✓ / ✗) */
.field-check { position: relative; }
.field-check .field-mark {
  position: absolute;
  right: 0.75rem;
  top: 2.35rem;
  width: 1rem;
  height: 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}
.field-check.is-valid .field-mark,
.field-check.is-invalid .field-mark { opacity: 1; }
.field-check.is-valid .field-mark::after { content: "✓"; color: #3ecf8e; font-weight: 700; }
.field-check.is-invalid .field-mark::after { content: "✕"; color: #f2b8b8; font-weight: 700; }
.field-check.is-valid .input { border-color: rgba(62, 207, 142, 0.6); }
.field-check.is-invalid .input { border-color: rgba(200, 80, 80, 0.6); }
.field-inline-error { margin-top: 0.4rem; font-size: 0.8rem; color: #f2b8b8; }
.field-inline-error[hidden] { display: none; }

/* Messages de formulaire (alertes) */
.form-message {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}
.form-message.is-success {
  background: rgba(26, 110, 245, 0.1);
  border-color: rgba(26, 110, 245, 0.4);
  color: var(--cobalt-blue-soft);
}
.form-message.is-error {
  background: rgba(120, 30, 30, 0.18);
  border-color: rgba(180, 60, 60, 0.5);
  color: #f2b8b8;
}
.form-message[hidden] { display: none; }

/* -------------------------------------- Navigation & confort (polish.js) -- */
/* Bouton retour en haut */
.to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 2.75rem;
  height: 2.75rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--cobalt-border);
  border-radius: 50%;
  background: var(--cobalt-surface-2);
  color: var(--cobalt-text);
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition), opacity var(--transition);
}
.to-top:hover { transform: translateY(-2px); border-color: #35353b; }
.to-top[hidden] { display: none; }
@media (max-width: 560px) { .to-top { right: 1rem; bottom: 1rem; } }

/* Barre de progression de lecture (blog) */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 120;
  background: transparent;
  pointer-events: none;
}
.reading-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cobalt-blue), var(--cobalt-blue-soft));
}

/* Fil d'Ariane */
.breadcrumb { padding-block: 1rem 0; font-size: 0.85rem; }
.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  color: var(--cobalt-text-dim);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 0.5rem; }
.breadcrumb li + li::before { content: "/"; opacity: 0.5; }
.breadcrumb a { color: var(--cobalt-text-dim); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--cobalt-text); }
.breadcrumb [aria-current="page"] { color: var(--cobalt-text); }
/* Sur la page produit, le breadcrumb surplombe un fond sombre déjà géré. */
.breadcrumb--ondark { padding-top: 1.25rem; }

/* Toasts (confirmations éphémères, non bloquantes) — promus depuis les flash. */
.toast-container {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: min(360px, calc(100vw - 2.5rem));
}
.toast {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  background: var(--cobalt-surface-2);
  border: 1px solid var(--cobalt-border);
  color: var(--cobalt-text);
  font-size: 0.9rem;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast.is-in { opacity: 1; transform: translateY(0); }
.toast-check {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: rgba(62, 207, 142, 0.15);
  color: #3ecf8e;
  font-weight: 700;
  font-size: 0.8rem;
}

/* Carte d'authentification (login / register) */
.auth-card {
  max-width: 420px;
  margin-inline: auto;
  background: var(--cobalt-surface);
  border: 1px solid var(--cobalt-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 2.5rem);
}
.auth-card h1 { font-size: 1.6rem; margin-bottom: 0.4rem; }
.auth-card .subtitle { margin-bottom: 1.75rem; }
.auth-alt {
  margin-top: 1.5rem;
  font-size: 0.92rem;
  text-align: center;
  color: var(--cobalt-text-dim);
}
.auth-alt a { color: var(--cobalt-blue-soft); font-weight: 600; }
.auth-alt a:hover { text-decoration: underline; }

/* Mention de consentement légal sous le formulaire d'inscription. */
.auth-legal {
  margin: 1.1rem 0 0.25rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--cobalt-text-dim);
  text-align: center;
}
.auth-legal a { color: var(--cobalt-blue-soft); font-weight: 600; }
.auth-legal a:hover { text-decoration: underline; }

/* Ligne « Rester connecté » + « Mot de passe oublié ? » sur la page login */
.auth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0.25rem 0 1.25rem;
  font-size: 0.9rem;
}
.auth-remember {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cobalt-text-dim);
  cursor: pointer;
}
.auth-remember input { flex: 0 0 auto; }
.auth-forgot { color: var(--cobalt-blue-soft); font-weight: 600; }
.auth-forgot:hover { text-decoration: underline; }

/* ------------------------------------------- Offre de lancement (gratuit) -- */
/* Composant réutilisable (page produit + confirmation /claim). Charte : accent
   bleu #1a6ef5 sur fond #0a0a0a, Inter. Le prix barré reste DISCRET, « Gratuit »
   DOMINE. Aucune couleur nouvelle : uniquement les tokens Cobalt. */

/* Badge -100 % : pastille accent, réutilisable partout. */
.offer-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: var(--cobalt-blue);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.01em;
  line-height: 1;
}

/* Ancien prix : discret, barré, en retrait. */
.offer-strike {
  color: var(--cobalt-text-dim);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  font-weight: 500;
  opacity: 0.75;
}

/* « Gratuit » : dominant. Sur la page produit il remplace le grand montant. */
.offer-free {
  color: var(--cobalt-blue-soft);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

/* Mention de l'offre (nom + échéance). */
.offer-mention {
  color: var(--cobalt-text-dim);
  font-size: 0.9rem;
  font-weight: 500;
}