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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-container {
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  max-width: 500px;
  width: 100%;
  animation: slideIn 0.5s ease-out;
}

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

.auth-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 30px;
  text-align: center;
  color: white;
}

.logo-container {
  margin-bottom: 20px;
}

.logo-container img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 4px solid white;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.logo-container img:hover {
  transform: scale(1.05);
}

.auth-header h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

.auth-header p {
  font-size: 14px;
  opacity: 0.95;
  margin: 0;
}

/* BOUTON CRÉNEAUX BANNER */
.creneaux-banner {
  padding: 20px 30px;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.btn-creneaux {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 20px;
  background: white;
  color: #f5576c;
  text-decoration: none;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-creneaux:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(245, 87, 108, 0.3);
  color: #f5576c;
}

.btn-creneaux > i:first-child {
  font-size: 32px;
  flex-shrink: 0;
}

.btn-text {
  flex: 1;
  text-align: left;
}

.btn-text strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
  font-weight: 700;
}

.btn-text small {
  display: block;
  font-size: 13px;
  opacity: 0.8;
  font-weight: 400;
}

.btn-creneaux > i:last-child {
  font-size: 24px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.btn-creneaux:hover > i:last-child {
  transform: translateX(5px);
}

.tab-switcher {
  display: flex;
  background: #f8f9fa;
  padding: 5px;
  border-radius: 10px;
  margin: 20px 30px;
}

.tab-btn {
  flex: 1;
  padding: 12px;
  border: none;
  background: transparent;
  color: #666;
  font-weight: 600;
  font-size: 15px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.auth-body {
  padding: 30px;
}

.form-panel {
  display: none;
}

.form-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
}

.form-group i {
  position: absolute;
  left: 15px;
  top: 43px;
  color: #667eea;
  font-size: 18px;
}

.form-control {
  width: 100%;
  padding: 12px 15px 12px 45px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 15px;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.password-toggle {
  position: absolute;
  right: 15px;
  top: 43px;
  cursor: pointer;
  color: #999;
  font-size: 18px;
  transition: color 0.3s;
  z-index: 10;
}

.password-toggle:hover {
  color: #667eea;
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 10px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

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

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.message {
  padding: 12px 15px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 14px;
  display: none;
}

.message:not(:empty) {
  display: block;
}

.message.error {
  background-color: #fee;
  color: #c33;
  border: 1px solid #fcc;
}

.message.success {
  background-color: #efe;
  color: #3c3;
  border: 1px solid #cfc;
}

.footer-link {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: #666;
}

.footer-link a {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
}

.footer-link a:hover {
  text-decoration: underline;
}

@media (max-width: 576px) {
  .auth-container {
    border-radius: 15px;
  }

  .auth-header {
    padding: 25px 20px;
  }

  .auth-body {
    padding: 25px 20px;
  }

  .auth-header h1 {
    font-size: 20px;
  }

  .logo-container img {
    width: 100px;
    height: 100px;
  }

  .creneaux-banner {
    padding: 15px 20px;
  }

  .btn-creneaux {
    gap: 10px;
    padding: 12px 15px;
  }

  .btn-creneaux > i:first-child {
    font-size: 28px;
  }

  .btn-text strong {
    font-size: 14px;
  }

  .btn-text small {
    font-size: 12px;
  }

  .tab-switcher {
    margin: 15px 20px;
  }
}