/* ============================================
   EPIRIONS - AUTH PAGES (Login/Register)
   ============================================ */

:root {
  --primary: #0f172a;
  --accent: #E91E8C;
  --accent-light: #ff3ea8;
  --success: #10b981;
  --error: #ef4444;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.auth-logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #E91E8C 0%, #4361EE 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 22px;
  color: white;
}

.auth-logo-text {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
}

.auth-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.auth-subtitle {
  font-size: 15px;
  color: var(--gray-500);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  font-size: 15px;
  color: var(--primary);
  transition: all 0.2s ease;
  background: var(--white);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-error {
  font-size: 13px;
  color: var(--error);
  display: none;
}

.form-error.visible {
  display: block;
}

.btn-auth {
  width: 100%;
  padding: 16px 24px;
  background: linear-gradient(135deg, #E91E8C 0%, #4361EE 100%);
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 8px;
}

.btn-auth:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

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

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--gray-400);
  font-size: 13px;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--gray-500);
}

.auth-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

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

.auth-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-100);
}

.auth-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--gray-600);
}

.auth-feature-icon {
  color: var(--success);
  font-size: 16px;
}

/* Alert messages */
.alert {
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 20px;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Password strength */
.password-strength {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.strength-bar {
  flex: 1;
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  transition: background 0.2s;
}

.strength-bar.weak { background: var(--error); }
.strength-bar.medium { background: var(--warning, #f59e0b); }
.strength-bar.strong { background: var(--success); }

/* Responsive */
@media (max-width: 480px) {
  .auth-card {
    padding: 32px 24px;
  }
  
  .auth-logo {
    margin-bottom: 32px;
  }
}