:root {
  --discord-primary: #5865F2;
  --discord-secondary: #4752C4;
  --discord-dark: #36393f;
  --discord-darker: #2f3136;
  --discord-darkest: #202225;
  --discord-light: #dcddde;
  --discord-lighter: #ffffff;
  --discord-danger: #ed4245;
  --discord-success: #3ba55d;
  --discord-warning: #faa81a;
  --discord-green: #43b581;
  --discord-yellow: #faa61a;
  --transition-speed: 0.3s;
}

/* テーマ変数 */
.theme-dark {
  --bg-primary: var(--discord-darkest);
  --bg-secondary: var(--discord-dark);
  --bg-tertiary: var(--discord-darker);
  --text-normal: var(--discord-light);
  --text-muted: #72767d;
  --text-bright: var(--discord-lighter);
  --interactive-normal: #b9bbbe;
  --interactive-hover: var(--discord-lighter);
  --interactive-active: var(--discord-lighter);
  --input-bg: var(--discord-darker);
}

.theme-light {
  --bg-primary: #f2f3f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e3e5e8;
  --text-normal: #2e3338;
  --text-muted: #747f8d;
  --text-bright: #060607;
  --interactive-normal: #4f5660;
  --interactive-hover: #2e3338;
  --interactive-active: #060607;
  --input-bg: #ebedef;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Whitney', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-normal);
  line-height: 1.6;
  padding: 20px;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 30px;
  padding: 20px;
  border-bottom: 1px solid var(--bg-tertiary);
  position: relative;
}

header h1 {
  color: var(--text-bright);
  margin-bottom: 10px;
  transition: color var(--transition-speed);
}

header p {
  color: var(--text-normal);
  opacity: 0.8;
  transition: color var(--transition-speed);
}

.settings-bar {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.language-selector, .theme-selector {
  display: flex;
  gap: 5px;
}

.lang-btn, .theme-btn {
  background-color: var(--bg-tertiary);
  color: var(--text-normal);
  border: none;
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.lang-btn:hover, .theme-btn:hover {
  background-color: var(--bg-primary);
}

.lang-btn.active, .theme-btn.active {
  background-color: var(--discord-primary);
  color: white;
}

.card {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.card h2 {
  color: var(--text-bright);
  margin-bottom: 15px;
  transition: color var(--transition-speed);
}

.discord-btn {
  background-color: var(--discord-primary);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 10px 15px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.discord-btn:hover {
  background-color: var(--discord-secondary);
  transform: translateY(-1px);
}

.discord-btn:active {
  transform: translateY(1px);
}

.discord-btn.small {
  font-size: 14px;
  padding: 6px 12px;
}

.discord-btn.danger {
  background-color: var(--discord-danger);
}

.discord-btn.danger:hover {
  background-color: #c03537;
}

.discord-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.disclaimer {
  margin-top: 20px;
  font-size: 0.9em;
  color: var(--text-muted);
  transition: color var(--transition-speed);
}

.input-group {
  display: flex;
  margin-bottom: 15px;
}

.input-group input {
  flex-grow: 1;
  padding: 10px;
  border: none;
  background-color: var(--input-bg);
  color: var(--text-normal);
  border-radius: 4px 0 0 4px;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

.input-group button {
  border-radius: 0 4px 4px 0;
}

.hidden {
  display: none !important;
}

#user-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#user-profile {
  display: flex;
  align-items: center;
  gap: 15px;
}

#user-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

#user-avatar:hover {
  transform: scale(1.05);
}

#username {
  margin-bottom: 5px;
  color: var(--text-bright);
  transition: color var(--transition-speed);
}

#user-tag {
  color: var(--text-muted);
  transition: color var(--transition-speed);
}

#group-dm-list {
  margin: 15px 0;
  max-height: 400px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-tertiary) transparent;
}

#group-dm-list::-webkit-scrollbar {
  width: 8px;
}

#group-dm-list::-webkit-scrollbar-track {
  background: transparent;
}

#group-dm-list::-webkit-scrollbar-thumb {
  background-color: var(--bg-tertiary);
  border-radius: 4px;
}

#dm-list {
  list-style: none;
}

.dm-item {
  display: flex;
  align-items: center;
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 5px;
  background-color: var(--bg-tertiary);
  transition: background-color var(--transition-speed), transform 0.2s;
}

.dm-item:hover {
  background-color: rgba(79, 84, 92, 0.16);
  transform: translateX(2px);
}

.dm-checkbox {
  margin-right: 15px;
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--discord-primary);
}

.dm-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--discord-primary);
  margin-right: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
  font-size: 16px;
  transition: background-color var(--transition-speed);
}

.dm-details {
  flex-grow: 1;
}

.dm-name {
  font-weight: bold;
  margin-bottom: 3px;
  color: var(--text-bright);
  transition: color var(--transition-speed);
}

.dm-members {
  font-size: 0.9em;
  color: var(--text-muted);
  transition: color var(--transition-speed);
}

.actions {
  display: flex;
  gap: 10px;
}

.leave-actions {
  margin-top: 20px;
  text-align: center;
}

#results-container {
  margin-top: 30px;
}

#results-list {
  list-style: none;
  margin-top: 10px;
}

#results-list li {
  padding: 8px;
  border-radius: 4px;
  margin-bottom: 5px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

#results-list li.success {
  background-color: rgba(59, 165, 93, 0.1);
  border-left: 3px solid var(--discord-success);
}

#results-list li.error {
  background-color: rgba(237, 66, 69, 0.1);
  border-left: 3px solid var(--discord-danger);
}

footer {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--bg-tertiary);
  color: var(--text-muted);
  font-size: 0.9em;
  transition: color var(--transition-speed), border-top var(--transition-speed);
}

.small-text {
  font-size: 0.8em;
  opacity: 0.7;
}

#loading {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  transition: color var(--transition-speed);
}

#no-groups {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  transition: color var(--transition-speed);
}

/* モーダルスタイル */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background-color: var(--bg-secondary);
  padding: 25px;
  border-radius: 8px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  transform: scale(0.9);
  animation: scaleIn 0.3s ease forwards;
  transition: background-color var(--transition-speed);
}

@keyframes scaleIn {
  to { transform: scale(1); }
}

.modal-content h3 {
  margin-bottom: 15px;
  color: var(--text-bright);
  transition: color var(--transition-speed);
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* フィルターセクションスタイル */
.filter-section {
  margin-bottom: 15px;
  padding: 10px;
  background-color: var(--bg-tertiary);
  border-radius: 4px;
  transition: background-color var(--transition-speed);
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.filter-header h3 {
  font-size: 16px;
  margin: 0;
  color: var(--text-bright);
  transition: color var(--transition-speed);
}

.filter-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.filter-badge {
  display: flex;
  align-items: center;
  background-color: var(--discord-primary);
  color: white;
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 14px;
  transition: background-color 0.2s;
}

.badge-remove {
  background: none;
  border: none;
  color: white;
  margin-left: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.badge-remove:hover {
  opacity: 1;
}

.no-matching-filter {
  text-align: center;
  padding: 15px;
  color: var(--text-muted);
  font-style: italic;
}

/* 退室時メッセージセクション */
.leave-message-section {
  margin-top: 20px;
  padding: 15px;
  background-color: var(--bg-tertiary);
  border-radius: 4px;
  transition: background-color var(--transition-speed);
}

.leave-message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.leave-message-header h3 {
  font-size: 16px;
  margin: 0;
  color: var(--text-bright);
  transition: color var(--transition-speed);
}

#message-container {
  animation: fadeIn 0.3s ease;
}

textarea {
  width: 100%;
  padding: 10px;
  background-color: var(--input-bg);
  color: var(--text-normal);
  border: none;
  border-radius: 4px;
  resize: vertical;
  font-size: 14px;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* トグルスイッチ */
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  background-color: var(--bg-tertiary);
  border-radius: 20px;
  transition: background-color 0.2s;
  margin-right: 8px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-normal);
  border-radius: 50%;
  transition: transform 0.2s;
}

input:checked + .toggle-slider {
  background-color: var(--discord-primary);
}

input:checked + .toggle-slider:before {
  transform: translateX(16px);
  background-color: white;
}

.toggle-label {
  color: var(--text-normal);
  font-size: 14px;
  transition: color var(--transition-speed);
}

/* レスポンシブ調整 */
@media (max-width: 600px) {
  .card-header {
      flex-direction: column;
      align-items: flex-start;
  }
  
  .actions {
      margin-top: 10px;
      width: 100%;
      justify-content: space-between;
  }
  
  #user-info {
      flex-direction: column;
  }
  
  #logout-button {
      margin-top: 15px;
  }
  
  .settings-bar {
      flex-direction: column;
      gap: 10px;
  }
  
  .filter-header, .leave-message-header {
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
  }
  
  .filter-section, .leave-message-section {
      padding: 12px 8px;
  }
}
.bug-report {
    margin-top: 5px;
}

.bug-report a {
    color: var(--discord-primary);
    text-decoration: none;
    transition: color 0.2s, text-decoration 0.2s;
}

.bug-report a:hover {
    color: var(--discord-secondary);
    text-decoration: underline;
}