/* ===== Auth Container ===== */

.auth-container {
  max-width: 420px;
  margin: var(--space-xl) auto;
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.post-form-container {
  max-width: 600px;
}

.auth-heading {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--space-sm);
  color: var(--color-text);
}

/* ===== Form Styles ===== */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

textarea.form-input {
  resize: vertical;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

/* ===== Buttons ===== */

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.75rem var(--space-lg);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.btn-inline {
  width: auto;
}

/* ===== Auth Footer & Links ===== */

.auth-footer {
  margin-top: var(--space-lg);
  text-align: center;
}

.auth-link {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.auth-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* ===== Error Messages ===== */

.error-heading {
  margin: 0 0 var(--space-sm) 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.error-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.85rem;
}

/* ===== Form Actions ===== */

.form-actions {
  margin-top: var(--space-xs);
}