/* === Login Page === */

.login-page {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* Left Panel - Brand */
.login-brand {
  flex: 1;
  background: var(--gradient-login);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-16);
}

.login-brand::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 30% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  animation: brandPulse 8s ease-in-out infinite;
}

@keyframes brandPulse {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(2%, 1%) rotate(1deg); }
}

.login-brand-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.login-logo {
  width: 160px;
  margin: 0 auto var(--space-8);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 12px;
}

.login-logo img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.login-brand h1 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: white;
  margin-bottom: var(--space-3);
  letter-spacing: 0.05em;
}

.login-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
}

.login-brand-features {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-4);
}

.login-brand-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
}

.login-brand-feature svg {
  width: 32px;
  height: 32px;
  opacity: 0.7;
}

.login-brand-footer {
  position: absolute;
  bottom: var(--space-8);
  left: var(--space-8);
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--text-xs);
}

/* Right Panel - Form */
.login-form-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: var(--color-bg-white);
  padding: var(--space-16);
}

.login-form-wrapper {
  width: 100%;
  max-width: 420px;
}

.login-form-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-form-header h2 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.login-form-header p {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}

/* Role Selector Tabs */
.role-selector {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  background: var(--color-bg-page);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
}

.role-tab {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  text-align: center;
}

.role-tab:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.5);
}

.role-tab.active {
  background: var(--color-bg-white);
  color: var(--color-primary-600);
  box-shadow: var(--shadow-sm);
}

.role-tab .role-icon {
  display: block;
  margin: 0 auto var(--space-1);
  font-size: var(--text-lg);
}

/* Form Fields */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-input-wrapper {
  position: relative;
}

.form-input-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
  display: flex;
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-10);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input::placeholder {
  color: var(--color-text-tertiary);
}

.form-input:focus {
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-error {
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
  min-height: 1.5em;
}

/* Submit Button */
.login-submit {
  width: 100%;
  padding: var(--space-3) var(--space-6);
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--space-2);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.login-submit:hover {
  background: var(--gradient-primary-hover);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
  transform: translateY(-1px);
}

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

.login-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
  .login-brand {
    display: none;
  }

  .login-form-panel {
    padding: var(--space-8) var(--space-6);
  }

  .login-form-header h2 {
    font-size: var(--text-2xl);
  }
}