/* ═══════════════════════════════════════════════════════════
   auth.css — Maison XCIV
   Styles partagés : connexion, inscription, espace client
   Design premium inspiré des maisons horlogères de luxe
═══════════════════════════════════════════════════════════ */

:root {
  --bg:        #F4EFE8;
  --bone:      #FAF8F4;
  --ink:       #0D0C0B;
  --ink-soft:  #2A2826;
  --beige:     #C4AA8C;
  --beige-mid: #B09070;
  --beige-pale:#E8DDD0;
  --grey:      #7A7570;
  --grey-lt:   #BDB9B3;
  --black:     #080706;
  --white:     #FEFDFB;
  --error-bg:  #fef2f2;
  --error-clr: #b91c1c;
  --success-bg:#f0fdf4;
  --success-clr:#166534;

  --f-serif: 'EB Garamond', Georgia, serif;
  --f-sans:  'Jost', sans-serif;
  --f-caps:  'Cinzel', serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--f-sans); -webkit-font-smoothing: antialiased; }
a    { text-decoration: none; color: inherit; }

/* ─── Layout page ─────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

/* Panneau gauche : visuel premium */
.auth-visual {
  background: var(--black);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

/* Décoration circulaire */
.auth-visual::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  border: 1px solid rgba(196,170,140,0.07);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.auth-visual::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(196,170,140,0.05);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.auth-visual-logo {
  position: relative; z-index: 1;
}
.auth-logo-eyebrow {
  font-size: 8px; letter-spacing: 6px;
  text-transform: uppercase; color: var(--beige);
  margin-bottom: 4px;
}
.auth-logo-main {
  font-family: var(--f-caps);
  font-size: 28px; letter-spacing: 8px;
  color: var(--white);
}

.auth-visual-body {
  position: relative; z-index: 1;
}
.auth-visual-title {
  font-family: var(--f-serif);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 20px;
}
.auth-visual-title em {
  font-style: italic;
  color: var(--beige);
  display: block;
}
.auth-visual-desc {
  font-size: 13px; font-weight: 300;
  line-height: 1.8;
  color: rgba(254,253,251,0.38);
  max-width: 340px;
}

.auth-visual-footer {
  position: relative; z-index: 1;
  font-size: 9px; letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(196,170,140,0.3);
}

/* Panneau droit : formulaire */
.auth-form-side {
  background: var(--bone);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 40px;
}

.auth-form-wrap {
  width: 100%;
  max-width: 400px;
}

.auth-form-title {
  font-family: var(--f-serif);
  font-size: 32px; font-weight: 400;
  color: var(--ink);
  margin-bottom: 6px;
}
.auth-form-subtitle {
  font-size: 12px; font-weight: 300;
  color: var(--grey); letter-spacing: 0.5px;
  margin-bottom: 36px;
  line-height: 1.6;
}

/* Champs */
.auth-field { margin-bottom: 18px; }
.auth-field label {
  display: block;
  font-size: 9px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--grey);
  margin-bottom: 7px;
}
.auth-field input {
  width: 100%;
  background: var(--bg);
  border: 1px solid rgba(196,170,140,0.25);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 14px; font-weight: 300;
  padding: 13px 16px;
  border-radius: 3px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.auth-field input:focus {
  border-color: var(--beige);
  box-shadow: 0 0 0 3px rgba(196,170,140,0.12);
}
.auth-field input::placeholder { color: var(--grey-lt); }

/* Champ mot de passe avec toggle */
.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 46px; }
.pw-toggle {
  position: absolute; right: 14px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  color: var(--grey); padding: 2px;
  display: flex; transition: color 0.2s;
}
.pw-toggle:hover { color: var(--ink); }
.pw-toggle svg { width: 17px; height: 17px; }

/* Messages */
.auth-message {
  padding: 11px 15px;
  border-radius: 3px;
  font-size: 12px; font-weight: 300;
  margin-bottom: 18px;
  display: none;
  line-height: 1.5;
}
.auth-message.error   {
  background: var(--error-bg);
  border-left: 3px solid #ef4444;
  color: var(--error-clr);
  display: block;
}
.auth-message.success {
  background: var(--success-bg);
  border-left: 3px solid #22c55e;
  color: var(--success-clr);
  display: block;
}

/* Bouton principal */
.auth-btn {
  width: 100%; margin-top: 4px;
  background: var(--ink);
  color: var(--white);
  border: none;
  padding: 15px;
  font-family: var(--f-sans);
  font-size: 10px; font-weight: 400;
  letter-spacing: 4px; text-transform: uppercase;
  cursor: pointer; border-radius: 3px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: background 0.3s;
  position: relative; overflow: hidden;
}
.auth-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--beige);
  transform: translateX(-101%);
  transition: transform 0.45s cubic-bezier(0.25, 0.1, 0, 1);
}
.auth-btn:hover::before { transform: translateX(0); }
.auth-btn span, .auth-btn-spinner { position: relative; z-index: 1; }
.auth-btn:hover { color: var(--black); }
.auth-btn:disabled { opacity: 0.55; pointer-events: none; }

.auth-btn-spinner {
  width: 15px; height: 15px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Lien alternatif */
.auth-alt {
  text-align: center; margin-top: 24px;
  font-size: 12px; font-weight: 300;
  color: var(--grey);
}
.auth-alt a {
  color: var(--beige-mid); font-weight: 400;
  border-bottom: 1px solid rgba(176,144,112,0.3);
  padding-bottom: 1px;
  transition: color 0.2s, border-color 0.2s;
}
.auth-alt a:hover { color: var(--ink); border-color: var(--ink); }

/* Retour site */
.auth-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--grey); margin-top: 32px;
  transition: color 0.2s;
}
.auth-back:hover { color: var(--beige-mid); }

/* Séparateur optionnel */
.auth-divider {
  display: flex; align-items: center; gap: 14px;
  margin: 24px 0; font-size: 10px;
  letter-spacing: 2px; text-transform: uppercase; color: var(--grey-lt);
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; height: 1px;
  background: rgba(196,170,140,0.2);
}

/* ─── Espace client ───────────────────────────────────────── */
.espace-header {
  background: var(--black);
  padding: 40px 56px;
  display: flex; align-items: center; justify-content: space-between;
}
.espace-logo {
  font-family: var(--f-caps);
  font-size: 20px; letter-spacing: 6px; color: var(--white);
}
.espace-nav { display: flex; gap: 32px; }
.espace-nav a {
  font-size: 9.5px; letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  transition: color 0.2s;
}
.espace-nav a:hover, .espace-nav a.active { color: var(--beige); }

.espace-main {
  background: var(--bg);
  min-height: calc(100vh - 100px);
  padding: 60px 56px;
}
.espace-welcome {
  margin-bottom: 52px;
}
.espace-welcome-eyebrow {
  font-size: 9px; letter-spacing: 5px;
  text-transform: uppercase; color: var(--beige);
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 12px;
}
.espace-welcome-eyebrow::before {
  content: ''; width: 24px; height: 1px; background: var(--beige);
}
.espace-welcome-title {
  font-family: var(--f-serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400; line-height: 1;
  color: var(--ink);
}
.espace-welcome-title em { font-style: italic; color: var(--beige-mid); }

/* Stats bar */
.espace-stats {
  display: flex; gap: 2px; margin-bottom: 48px;
}
.espace-stat {
  background: var(--bone);
  border: 1px solid rgba(196,170,140,0.15);
  padding: 24px 32px; flex: 1;
}
.espace-stat-n {
  font-family: var(--f-serif);
  font-size: 40px; color: var(--ink); line-height: 1;
}
.espace-stat-l {
  font-size: 9px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--grey);
  margin-top: 6px;
}

/* Grille favoris */
.fav-section-title {
  font-family: var(--f-serif);
  font-size: 24px; font-weight: 400; font-style: italic;
  color: var(--ink); margin-bottom: 24px;
}
.fav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2px;
}
.fav-empty {
  background: var(--bone);
  border: 1px solid rgba(196,170,140,0.15);
  padding: 64px;
  text-align: center;
}
.fav-empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
.fav-empty-title {
  font-family: var(--f-serif);
  font-size: 22px; color: var(--ink); margin-bottom: 10px;
}
.fav-empty-desc {
  font-size: 13px; font-weight: 300; color: var(--grey);
  line-height: 1.7; max-width: 320px; margin: 0 auto 24px;
}
.fav-empty-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--ink); color: var(--white);
  padding: 13px 32px;
  font-size: 9.5px; letter-spacing: 3px; text-transform: uppercase;
  border-radius: 2px;
  transition: background 0.3s;
}
.fav-empty-btn:hover { background: var(--beige); color: var(--black); }

/* Carte favori */
.fav-card {
  background: var(--bone);
  border: 1px solid rgba(196,170,140,0.12);
  position: relative;
  transition: border-color 0.3s;
}
.fav-card:hover { border-color: rgba(196,170,140,0.35); }
.fav-card-img {
  aspect-ratio: 3/2;
  background: var(--bg);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; color: var(--grey-lt);
}
.fav-card-img img { width: 100%; height: 100%; object-fit: cover; }
.fav-card-body { padding: 20px; }
.fav-card-brand {
  font-size: 9px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--beige-mid); margin-bottom: 4px;
}
.fav-card-name {
  font-family: var(--f-serif);
  font-size: 20px; color: var(--ink); margin-bottom: 12px;
}
.fav-card-footer {
  display: flex; align-items: center; justify-content: space-between;
}
.fav-card-price { font-size: 13px; color: var(--grey); font-weight: 300; }
.fav-remove-btn {
  background: none; border: 1px solid rgba(196,170,140,0.2);
  color: var(--grey); font-size: 11px;
  padding: 6px 12px; cursor: pointer; border-radius: 2px;
  transition: all 0.2s;
}
.fav-remove-btn:hover { border-color: #ef4444; color: #ef4444; }

/* ─── Anti tap-highlight ───────────────────────────────────── */
*, *::before, *::after { -webkit-tap-highlight-color: transparent; }
a, button, input, label, select { touch-action: manipulation; }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .auth-page           { grid-template-columns: 1fr; }
  .auth-visual         { display: none; }
  .auth-form-side      { padding: 40px 24px; min-height: 100vh; }
  .espace-header       { padding: 20px 24px; flex-direction: column; gap: 16px; }
  .espace-main         { padding: 32px 20px; }
  .espace-stats        { flex-direction: column; }
}

@media (max-width: 480px) {
  .auth-form-side      { padding: 32px 16px; }
  .auth-form-title     { font-size: 26px; }
  .auth-field input    { padding: 14px 14px; font-size: 16px; } /* 16px évite le zoom iOS */
  .auth-btn            { padding: 16px; min-height: 52px; font-size: 9px; }
  .espace-header       { padding: 16px; }
  .espace-nav          { gap: 20px; flex-wrap: wrap; justify-content: center; }
  .espace-main         { padding: 24px 16px; }
  .espace-stat         { padding: 18px 20px; }
  .espace-stat-n       { font-size: 32px; }
  .fav-empty           { padding: 40px 20px; }
  .fav-card-footer     { flex-direction: column; align-items: flex-start; gap: 12px; }
  .fav-remove-btn      { width: 100%; text-align: center; padding: 10px; min-height: 44px; }
  .fav-grid            { grid-template-columns: 1fr; }
  .espace-stats        { gap: 8px; }
}

@media (max-width: 374px) {
  .auth-form-side   { padding: 24px 12px; }
  .auth-form-title  { font-size: 22px; }
  .espace-main      { padding: 20px 12px; }
}

/* ── Touch targets minimum 44×44 ───────────────────────────── */
@media (pointer: coarse) {
  .auth-btn         { min-height: 52px; }
  .auth-back        { min-height: 44px; }
  .pw-toggle        { min-width: 44px; min-height: 44px; right: 0; }
  .fav-empty-btn    { min-height: 52px; }
  .espace-nav a     { min-height: 44px; display: flex; align-items: center; }
}