*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:     #1e3a5f;
  --blue:     #2c5aa0;
  --sky:      #64b5f6;
  --sky-pale: #e8f4fd;
  --success:  #10b981;
  --danger:   #ef4444;
  --warning:  #f59e0b;
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --radius:   10px;
  --shadow:   0 10px 36px rgba(44,90,160,.14);
  --t:        .22s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 50%, #1a4a8a 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

/* ── Conteneur carte ── */
.login-container {
  background: #fff;
  border-radius: 16px;
  padding: 2.5rem 2.25rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.login-container::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--sky));
}

/* ── Logo ── */
.login-logo {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-logo img {
  max-height: 52px;
  width: auto;
}

/* ── Titre ── */
.login-container h2 {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1.75rem;
  letter-spacing: -.02em;
}

/* ── Champ de formulaire ── */
.form-field-group {
  position: relative;
  margin-bottom: .95rem;
}

.form-field-group input {
  width: 100%;
  padding: .82rem 1rem .82rem 2.75rem;
  border: 1.75px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: .9rem;
  color: var(--gray-800);
  background: var(--gray-50);
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  outline: none;
}

.form-field-group input:focus {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(44,90,160,.11);
}

.form-field-group input::placeholder { color: var(--gray-400); }

/* Icône gauche */
.field-icon {
  position: absolute;
  left: .95rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: .9rem;
  pointer-events: none;
  transition: color var(--t);
}

.form-field-group:focus-within .field-icon { color: var(--blue); }

/* Bouton œil (password toggle) */
.password-toggle-btn {
  position: absolute;
  right: .85rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-400);
  font-size: .9rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--t);
}

.password-toggle-btn:hover { color: var(--blue); }
.password-toggle-btn:focus { outline: none; color: var(--blue); }

.form-field-group.has-password-toggle input { padding-right: 2.75rem; }

/* ── Bouton principal ── */
.btn-login {
  width: 100%;
  padding: .9rem 1.5rem;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .03em;
  text-transform: uppercase;
  box-shadow: 0 4px 14px rgba(44,90,160,.32);
  transition: transform var(--t), box-shadow var(--t), opacity var(--t);
  margin-top: .5rem;
}

.btn-login:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 7px 20px rgba(44,90,160,.4);
}

.btn-login:active:not(:disabled) { transform: translateY(0); }

.btn-login:disabled {
  opacity: .6;
  cursor: not-allowed;
}

/* ── Lien mot de passe oublié ── */
.forgot-password-link {
  text-align: center;
  margin-top: .85rem;
}

.btn-forgot-pass {
  font-size: .82rem;
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--t);
}

.btn-forgot-pass:hover { color: var(--navy); text-decoration: underline; }

/* ── Lien inscription / connexion ── */
.signup-link {
  text-align: center;
  margin-top: 1.25rem;
  font-size: .86rem;
  color: var(--gray-500);
}

.signup-link a {
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--t);
}

.signup-link a:hover { color: var(--navy); text-decoration: underline; }

/* ── reCAPTCHA ── */
.recaptcha-container {
  margin: 1rem 0;
  display: flex;
  justify-content: center;
}

.recaptcha-container .g-recaptcha { transform: scale(.92); transform-origin: center; }

@media (max-width: 400px) {
  .recaptcha-container .g-recaptcha { transform: scale(.78); }
}

/* ── Messages d'erreur inline ── */
.error-message {
  font-size: .8rem;
  color: #991b1b;
  background: #fee2e2;
  border: 1px solid #fecaca;
  border-radius: 6px;
  padding: .5rem .75rem;
  margin: -.4rem 0 .75rem;
}

.error-summary {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
  padding: .75rem 1rem;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  text-align: center;
  font-size: .875rem;
}

.form-field-group.has-error input {
  border-color: var(--danger);
  background: #fff5f5;
}

/* ── Messages Django (success, warning, info) ── */
.message {
  padding: .75rem 1rem;
  margin-bottom: .85rem;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 500;
  text-align: center;
}

.message.success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.message.error   { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.message.warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.message.info    { background: var(--sky-pale); color: var(--navy); border: 1px solid #bae6fd; }

/* ── Toasts ── */
.toast-container {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 9999;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.toast {
  display: none;
  padding: .9rem 1.1rem;
  border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
  font-size: .875rem;
  font-weight: 500;
  position: relative;
  animation: slideInRight .28s ease-out;
}

.toast.show { display: flex; align-items: flex-start; gap: .6rem; }

.toast.success { background: #dcfce7; color: #166534; border-left: 4px solid var(--success); }
.toast.error   { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--danger); }
.toast.warning { background: #fef3c7; color: #92400e; border-left: 4px solid var(--warning); }
.toast.info    { background: var(--sky-pale); color: var(--navy); border-left: 4px solid var(--sky); }

.toast-close {
  position: absolute;
  top: .5rem; right: .6rem;
  background: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  opacity: .6;
  color: inherit;
  transition: opacity var(--t);
}

.toast-close:hover { opacity: 1; }

.toast-icon { font-size: .9rem; flex-shrink: 0; margin-top: .05rem; }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

@keyframes slideOutRight {
  from { transform: translateX(0);    opacity: 1; }
  to   { transform: translateX(100%); opacity: 0; }
}

.toast.hiding { animation: slideOutRight .25s ease-in forwards; }

/* ── Responsive ── */
@media (max-width: 480px) {
  .login-container { padding: 2rem 1.5rem; }
  .login-container h2 { font-size: 1.25rem; }
  .btn-login { font-size: .88rem; padding: .82rem; }
}