/* ============================================================
   AUTH — connexion / inscription / vérification
   ============================================================ */

.auth-body {
  background: linear-gradient(135deg, #0055a0 0%, #0099ff 50%, #00c6ff 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-body header {
  background: rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.15);
}

.auth-body header nav ul li a {
  color: rgba(255,255,255,.9);
}

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0,0,0,.25);
  padding: 40px 36px;
  width: 100%;
  max-width: 480px;
  animation: slideUp .4s ease;
}

@keyframes slideUp {
  from { opacity:0; transform:translateY(30px); }
  to   { opacity:1; transform:translateY(0); }
}

.auth-card-header {
  text-align: center;
  margin-bottom: 30px;
}

.auth-icon {
  display: inline-block;
  font-size: 3rem;
  margin-bottom: 10px;
  animation: bounce 1s ease infinite alternate;
}

@keyframes bounce {
  from { transform:translateY(0); }
  to   { transform:translateY(-6px); }
}

.auth-card-header h1 {
  font-size: 1.8rem;
  color: #0077cc;
  margin-bottom: 6px;
}

.auth-card-header p {
  color: #888;
  font-size: .95rem;
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: .95rem;
  animation: fadeIn .3s ease;
}

@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

.alert-error   { background:#fef2f2; color:#c0392b; border:1px solid #fecaca; }
.alert-success { background:#f0fdf4; color:#16a34a; border:1px solid #bbf7d0; }

/* Formulaire */
.auth-form { display:flex; flex-direction:column; gap:18px; }

.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }

.form-group { display:flex; flex-direction:column; gap:6px; }

.form-group label {
  font-size:.88rem;
  font-weight:600;
  color:#444;
  letter-spacing:.02em;
}

.input-wrap {
  display:flex;
  align-items:center;
  border:2px solid #e5e7eb;
  border-radius:12px;
  overflow:hidden;
  transition:border-color .25s, box-shadow .25s;
  background:#fafafa;
}

.input-wrap:focus-within {
  border-color:#0077cc;
  box-shadow:0 0 0 4px rgba(0,119,204,.12);
  background:#fff;
}

.input-prefix {
  padding:0 12px;
  font-size:1.1rem;
  background:transparent;
  pointer-events:none;
}

.input-wrap input {
  flex:1;
  border:none;
  background:transparent;
  padding:13px 12px 13px 0;
  font-size:1rem;
  color:#111;
  outline:none;
  font-family:inherit;
}

.toggle-pw {
  border:none;
  background:transparent;
  padding:0 12px;
  cursor:pointer;
  font-size:1.1rem;
  transition:transform .2s;
}

.toggle-pw:hover { transform:scale(1.15); }

/* Password strength */
.pw-strength { margin-top:6px; }
.pw-bar { height:4px; background:#e5e7eb; border-radius:4px; overflow:hidden; }
.pw-fill { height:100%; width:0; border-radius:4px; transition:width .4s, background .4s; }
.pw-strength span { font-size:.78rem; color:#777; margin-top:4px; display:block; }

/* Buttons */
.btn-auth {
  background: linear-gradient(135deg, #0077cc, #00c6ff);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  letter-spacing: .02em;
  margin-top: 4px;
}

.btn-auth:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,119,204,.4);
}

.btn-auth:active { transform:translateY(0); }

.btn-secondary {
  width:100%;
  background:transparent;
  border:2px solid #e5e7eb;
  border-radius:12px;
  padding:11px;
  font-size:.95rem;
  color:#555;
  cursor:pointer;
  transition:border-color .2s, color .2s;
}

.btn-secondary:hover { border-color:#0077cc; color:#0077cc; }

.auth-switch {
  text-align:center;
  margin-top:20px;
  color:#777;
  font-size:.9rem;
}

.auth-switch a { color:#0077cc; font-weight:600; text-decoration:none; }
.auth-switch a:hover { text-decoration:underline; }

/* Code OTP 6 chiffres */
.code-inputs {
  display:flex;
  gap:10px;
  justify-content:center;
  margin-top:8px;
}

.code-digit {
  width:50px;
  height:58px;
  border:2px solid #e5e7eb;
  border-radius:12px;
  text-align:center;
  font-size:1.6rem;
  font-weight:700;
  color:#0077cc;
  background:#fafafa;
  outline:none;
  transition:border-color .2s, box-shadow .2s;
}

.code-digit:focus {
  border-color:#0077cc;
  box-shadow:0 0 0 4px rgba(0,119,204,.15);
  background:#fff;
}

/* Auth footer */
.auth-body footer {
  background: rgba(0,0,0,.2);
  color: rgba(255,255,255,.7);
  text-align:center;
  padding:15px;
  font-size:.85rem;
}

.auth-body footer a { color:rgba(255,255,255,.9); }

/* Responsive */
@media (max-width: 520px) {
  .auth-card { padding:28px 20px; border-radius:20px; }
  .form-row  { grid-template-columns:1fr; gap:12px; }
  .code-digit { width:42px; height:50px; font-size:1.3rem; }
}