/* ==========================================================================
   Authentication Buttons Styles - 인증 버튼 스타일
   ========================================================================== */

/* Primary authentication button */
.auth-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--dark-accent-primary), var(--dark-accent-light));
  color: var(--dark-bg-primary);
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  font-family: "GmarketSansMedium", sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.auth-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 224, 130, 0.3);
}

.auth-btn i {
  font-size: 1.2rem;
}

/* Loading state */
.auth-btn .btn-loading {
  display: none;
}

.auth-btn.loading .btn-text {
  display: none;
}

.auth-btn.loading .btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.spinning {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Secondary link button */
.link-secondary {
  background: transparent;
  border: 2px solid var(--dark-border-color);
  color: var(--dark-text-secondary);
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.link-secondary:hover {
  border-color: var(--dark-accent-primary);
  color: var(--dark-accent-primary);
  background: rgba(166, 176, 208, 0.1);
  transform: translateY(-1px);
}

/* Switch button for auth pages */
.switch-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--dark-accent-primary) 0%, var(--dark-accent-hover) 100%);
  color: var(--dark-bg-primary) !important;
  border-radius: 25px;
  transition: all 0.3s ease;
  font-weight: 600;
  text-decoration: none;
  min-width: 140px;
  max-width: 200px;
  box-shadow: 0 4px 12px rgba(166, 176, 208, 0.2);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.switch-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s;
}

.switch-btn:hover::before {
  left: 100%;
}

.switch-btn:hover {
  background: linear-gradient(135deg, var(--dark-accent-hover) 0%, var(--dark-accent-primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(166, 176, 208, 0.4);
  border-color: var(--dark-accent-light);
}

.switch-btn i {
  font-size: 1.1rem;
}

/* Profile form specific button styles */
.profile-form ~ .auth-links .link-secondary,
.auth-card .auth-links .link-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--dark-accent-primary);
  color: var(--dark-bg-primary) !important;
  border-radius: 10px;
  transition: all 0.3s ease;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  border: 2px solid var(--dark-accent-primary);
  max-width: 200px;
  margin: 0 auto;
  box-shadow: 0 2px 8px rgba(166, 176, 208, 0.2);
}

.profile-form ~ .auth-links .link-secondary:hover,
.auth-card .auth-links .link-secondary:hover {
  background: var(--dark-accent-hover);
  border-color: var(--dark-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(166, 176, 208, 0.3);
  color: var(--dark-bg-primary) !important;
}

/* Back button */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dark-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.back-link:hover {
  background: var(--dark-bg-accent);
  color: var(--dark-accent-light);
}

.back-link i {
  font-size: 1.1rem;
}

/* ==========================================================================
   Social Login Buttons - 소셜 로그인 버튼
   ========================================================================== */

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0;
  color: var(--dark-text-muted);
  font-size: 0.9rem;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--dark-border-color);
}

.divider span {
  padding: 0 1rem;
}

.social-login {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border: 2px solid var(--dark-border-color);
  border-radius: 10px;
  background: var(--dark-bg-secondary);
  color: var(--dark-text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: var(--dark-accent-primary);
}

.social-btn.google {
  border-color: #4285F4;
}

.social-btn.google:hover {
  background: rgba(66, 133, 244, 0.1);
  border-color: #4285F4;
}

.social-btn.github {
  border-color: #6e7681;
}

.social-btn.github:hover {
  background: rgba(110, 118, 129, 0.1);
  border-color: #8b949e;
}

.social-btn.github svg {
  color: #c9d1d9;
}

.social-btn svg {
  flex-shrink: 0;
}