/* ============================================
   PixelCalm — Auth Modal Styles
   ============================================ */

.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.auth-modal.active {
  opacity: 1;
  visibility: visible;
}

.auth-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
}

.auth-panel {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-8) var(--space-6);
  width: 100%;
  max-width: 400px;
  transform: translateY(20px) scale(0.95);
  transition: transform var(--duration-normal) var(--ease-out);
}

.auth-modal.active .auth-panel {
  transform: translateY(0) scale(1);
}

.auth-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: var(--text-lg);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
}

.auth-close:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.auth-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.auth-field label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.auth-field input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  transition: border-color var(--duration-fast);
  box-sizing: border-box;
}

.auth-field input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.auth-field input::placeholder {
  color: var(--text-muted);
}

.auth-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: #ef4444;
}

.auth-submit {
  width: 100%;
  margin-top: var(--space-2);
}

.auth-switch {
  text-align: center;
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.auth-switch-btn {
  background: none;
  border: none;
  color: var(--color-primary-light);
  cursor: pointer;
  font-weight: 500;
  font-size: var(--text-sm);
  font-family: var(--font-sans);
}

.auth-switch-btn:hover {
  text-decoration: underline;
}

/* Nav avatar */
.nav-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}