/**
 * 認証UI スタイル
 * モダンなデザイン、アクセシブル、レスポンシブ
 */

/* ========== 認証ボタン ========== */
#auth-buttons {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

#auth-buttons .btn {
  padding: 0.5rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  font-size: 0.875rem;
}

#auth-buttons .btn-outline {
  background: transparent;
  border: 1px solid currentColor;
  color: var(--text-color, #333);
}

#auth-buttons .btn-outline:hover {
  background: var(--primary-color, #3b82f6);
  color: white;
  border-color: var(--primary-color, #3b82f6);
}

#auth-buttons .btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
}

#auth-buttons .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* ========== ユーザーメニュー ========== */
#user-menu {
  position: relative;
  display: none;
}

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg-secondary, #f3f4f6);
}

.user-menu-trigger:hover {
  background: var(--bg-hover, #e5e7eb);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-color, #3b82f6);
}

.user-name {
  font-weight: 500;
  color: var(--text-color, #333);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu-trigger i {
  font-size: 0.75rem;
  color: var(--text-secondary, #6b7280);
  transition: transform 0.2s;
}

.user-menu-trigger:hover i {
  transform: rotate(180deg);
}

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  min-width: 240px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s;
}

.user-menu-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-info {
  padding: 1rem;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
  border-radius: 0.75rem 0.75rem 0 0;
}

.user-email {
  font-size: 0.875rem;
  font-weight: 500;
}

.user-role {
  font-size: 0.75rem;
  opacity: 0.9;
  margin-top: 0.25rem;
}

.menu-divider {
  height: 1px;
  background: var(--border-color, #e5e7eb);
  margin: 0.5rem 0;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--text-color, #333);
  text-decoration: none;
  transition: all 0.2s;
  font-size: 0.875rem;
}

.menu-item:hover {
  background: var(--bg-hover, #f3f4f6);
}

.menu-item i {
  width: 1.25rem;
  text-align: center;
  color: var(--text-secondary, #6b7280);
}

.menu-item.danger {
  color: #ef4444;
}

.menu-item.danger:hover {
  background: #fef2f2;
}

/* ========== 認証モーダル ========== */
.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.auth-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.auth-modal-content {
  position: relative;
  background: white;
  border-radius: 1rem;
  padding: 2rem;
  max-width: 480px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.auth-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary, #6b7280);
  cursor: pointer;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.auth-modal-close:hover {
  background: var(--bg-hover, #f3f4f6);
  color: var(--text-color, #333);
}

.auth-modal-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color, #333);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.auth-modal-content h2 i {
  color: var(--primary-color, #3b82f6);
}

/* ========== フォーム ========== */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-color, #333);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
  padding: 0.75rem;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group small {
  font-size: 0.75rem;
  color: var(--text-secondary, #6b7280);
}

.form-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  display: none;
}

.auth-form .btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.auth-form .btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.auth-form .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.auth-footer {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary, #6b7280);
}

.auth-footer a {
  color: var(--primary-color, #3b82f6);
  text-decoration: none;
  font-weight: 500;
}

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

/* ========== ダークモード対応 ========== */
[data-theme="dark"] .user-menu-trigger {
  background: var(--dark-bg-secondary, #374151);
}

[data-theme="dark"] .user-menu-trigger:hover {
  background: var(--dark-bg-hover, #4b5563);
}

[data-theme="dark"] .user-menu-dropdown {
  background: var(--dark-bg-primary, #1f2937);
}

[data-theme="dark"] .menu-item {
  color: var(--dark-text-color, #f3f4f6);
}

[data-theme="dark"] .menu-item:hover {
  background: var(--dark-bg-hover, #374151);
}

[data-theme="dark"] .auth-modal-content {
  background: var(--dark-bg-primary, #1f2937);
}

[data-theme="dark"] .auth-modal-content h2 {
  color: var(--dark-text-color, #f3f4f6);
}

[data-theme="dark"] .form-group label {
  color: var(--dark-text-color, #f3f4f6);
}

[data-theme="dark"] .form-group input {
  background: var(--dark-bg-secondary, #374151);
  border-color: var(--dark-border-color, #4b5563);
  color: var(--dark-text-color, #f3f4f6);
}

[data-theme="dark"] .form-group input:focus {
  border-color: var(--primary-color, #3b82f6);
}

/* ========== レスポンシブ ========== */
@media (max-width: 640px) {
  #auth-buttons {
    gap: 0.5rem;
  }

  #auth-buttons .btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }

  .user-name {
    display: none;
  }

  .auth-modal-content {
    padding: 1.5rem;
    max-width: 95%;
  }

  .auth-modal-content h2 {
    font-size: 1.25rem;
  }

  .user-menu-dropdown {
    right: -1rem;
  }
}