/*
 * Chat Components - 채팅 전용 스타일
 * 채팅 로비와 채팅방 UI에 사용되는 스타일
 */

/* ==================== Chat Lobby ==================== */
.chat-lobby-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-inverse);
}

.chat-lobby-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.chat-lobby-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--spacing-xs) 0;
}

.chat-lobby-subtitle {
  font-size: var(--font-size-base);
  opacity: 0.9;
  margin: 0;
}

.chat-lobby-stats {
  display: flex;
  gap: var(--spacing-lg);
}

.chat-lobby-stat {
  text-align: center;
}

.chat-lobby-stat-value {
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  margin: 0;
}

.chat-lobby-stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  margin: 0;
}

.chat-create-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px 20px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

/* ==================== Chat Room Card ==================== */
.chat-room-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
  gap: var(--spacing-md);
}

.chat-room-card:last-child {
  border-bottom: none;
}

.chat-room-card:hover {
  background: var(--color-bg-secondary);
}

.chat-room-card-participating {
  background: var(--color-success-light);
}

.chat-room-card-participating:hover {
  background: #d1fae5;
}

.chat-room-card-info {
  flex: 1;
  min-width: 0;
}

.chat-room-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.chat-room-card-name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-room-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-xs) 0;
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-room-card-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.chat-room-card-actions {
  flex-shrink: 0;
}

.chat-room-card-btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
}

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

.chat-room-card-btn.active {
  background: var(--color-success);
}

.chat-room-card-btn.disabled {
  background: var(--color-gray-200);
  color: var(--color-text-secondary);
}

/* ==================== Chat Room UI ==================== */
.chat-room-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.chat-room-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.chat-room-header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
  min-width: 0;
}

.chat-room-back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  text-decoration: none;
  flex-shrink: 0;
}

.chat-room-back-btn:hover {
  background: var(--color-gray-200);
}

.chat-room-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-room-creator {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 2px 0 0 0;
}

.chat-room-header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

.chat-room-participant-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.chat-room-leave-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-danger);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.chat-room-leave-btn:hover {
  background: var(--color-danger-hover);
}

.chat-room-delete-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: #dc2626;
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.chat-room-delete-btn:hover {
  background: #b91c1c;
}

/* ==================== Chat Layout ==================== */
.chat-room-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: var(--spacing-md);
}

.chat-room-main {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 600px;
}

.chat-room-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.chat-room-typing {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
}

.chat-room-input-area {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.chat-room-input-form {
  display: flex;
  gap: var(--spacing-md);
}

.chat-room-input {
  flex: 1;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
}

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

.chat-room-send-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  white-space: nowrap;
}

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

/* ==================== Chat Sidebar ==================== */
.chat-room-sidebar {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  height: 600px;
  display: flex;
  flex-direction: column;
}

.chat-room-sidebar-header {
  padding: 14px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  flex-shrink: 0;
}

.chat-room-sidebar-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin: 0;
}

.chat-room-participant-list {
  padding: var(--spacing-md);
  flex: 1;
  overflow-y: auto;
}

.chat-room-participant-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xs);
  position: relative;
}

.chat-room-participant-item:hover {
  background: var(--color-bg-secondary);
}

.chat-room-participant-avatar {
  width: 32px;
  height: 32px;
  background: var(--color-gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
  flex-shrink: 0;
}

.chat-room-participant-info {
  flex: 1;
  min-width: 0;
}

.chat-room-participant-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.chat-room-badge {
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 3px;
}

.chat-room-badge-owner {
  background: #fef3c7;
  color: #92400e;
}

.chat-room-badge-admin {
  background: #dbeafe;
  color: #1e40af;
}

.chat-room-badge-participating {
  background: var(--color-success-light);
  color: var(--color-success);
}

.chat-room-badge-full {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.chat-room-participant-actions {
  display: flex;
  gap: var(--spacing-xs);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.chat-room-participant-item:hover .chat-room-participant-actions {
  opacity: 1;
}

.chat-room-action-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  cursor: pointer;
}

.chat-room-kick-btn {
  background: #fee2e2;
  color: #dc2626;
}

.chat-room-kick-btn:hover {
  background: #fecaca;
}

.chat-room-transfer-btn {
  background: #dbeafe;
  color: #1d4ed8;
}

.chat-room-transfer-btn:hover {
  background: #bfdbfe;
}

/* ==================== Chat Message ==================== */
.chat-message {
  margin-bottom: var(--spacing-md);
}

.chat-message-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.chat-message-sender {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.chat-message-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.chat-message-content {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
}

.chat-message-system {
  text-align: center;
  padding: var(--spacing-sm) 0;
}

.chat-message-system-text {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.chat-message-mine {
  text-align: right;
}

.chat-message-mine .chat-message-content {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);
}

.chat-message-hidden {
  opacity: 0.5;
}

/* ==================== Mobile Sidebar Overlay ==================== */
.chat-room-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.chat-room-sidebar-overlay.show {
  display: block;
}

.chat-room-participants-toggle {
  display: none;
  padding: 10px var(--spacing-md);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
  width: 100%;
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.chat-room-sidebar-close {
  display: none;
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 32px;
  height: 32px;
  background: var(--color-bg-tertiary);
  border: none;
  border-radius: var(--radius-md);
  font-size: 18px;
  cursor: pointer;
}

/* ==================== Auth Modal ==================== */
.chat-auth-modal {
  max-width: 400px;
  margin: 80px auto;
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

/* ==================== Create Modal ==================== */
.chat-create-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.chat-create-modal.show {
  opacity: 1;
  visibility: visible;
}

.chat-create-modal-content {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 440px;
  margin: var(--spacing-md);
  box-shadow: var(--shadow-xl);
}

.chat-create-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.chat-create-modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.chat-create-modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
}

.chat-create-modal-close:hover {
  background: var(--color-bg-tertiary);
}

.chat-create-modal-body {
  padding: var(--spacing-lg);
}

.chat-create-modal-group {
  margin-bottom: var(--spacing-md);
}

.chat-create-modal-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
}

.chat-create-modal-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  box-sizing: border-box;
}

.chat-create-modal-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.chat-create-modal-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.chat-create-modal-footer {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.chat-create-modal-footer .btn {
  flex: 1;
}

/* ==================== Mobile Responsive ==================== */
@media (max-width: 768px) {
  .chat-room-container {
    padding: var(--spacing-md);
  }

  .chat-room-header {
    flex-direction: column;
    align-items: stretch;
  }

  .chat-room-header-left {
    width: 100%;
  }

  .chat-room-header-right {
    width: 100%;
    justify-content: flex-end;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
  }

  .chat-room-header-right .chat-room-participant-count {
    margin-right: auto;
  }

  .chat-room-title {
    font-size: var(--font-size-lg);
  }

  .chat-room-layout {
    grid-template-columns: 1fr;
  }

  .chat-room-main {
    height: calc(100vh - 280px);
    min-height: 400px;
  }

  .chat-room-sidebar {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    max-width: 80vw;
    z-index: 1000;
    border-radius: 0;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    height: 100vh;
    height: 100dvh;
  }

  .chat-room-sidebar.show {
    display: flex;
  }

  .chat-room-sidebar-close {
    display: block;
  }

  .chat-room-participants-toggle {
    display: block;
  }

  .chat-room-participant-actions {
    opacity: 1;
  }

  .chat-room-input-form {
    gap: var(--spacing-sm);
  }

  .chat-room-input {
    padding: 10px;
    font-size: 16px;
  }

  .chat-room-send-btn {
    padding: 10px var(--spacing-md);
  }

  .chat-room-leave-btn,
  .chat-room-delete-btn {
    padding: 6px var(--spacing-md);
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 640px) {
  .chat-lobby-header {
    padding: var(--spacing-md);
  }

  .chat-lobby-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .chat-lobby-title {
    font-size: var(--font-size-2xl);
  }

  .chat-lobby-stats {
    width: 100%;
    justify-content: space-around;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
  }

  .chat-lobby-stat-value {
    font-size: var(--font-size-3xl);
  }

  .chat-create-btn {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .chat-room-card {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
    padding: 14px;
  }

  .chat-room-card-info {
    width: 100%;
  }

  .chat-room-card-actions {
    width: 100%;
  }

  .chat-room-card-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 10px var(--spacing-md);
  }

  .chat-room-card-meta {
    gap: var(--spacing-sm);
  }

  .chat-auth-modal {
    margin: var(--spacing-lg);
    max-width: none;
  }
}

/* ==================== Message Bubbles ==================== */
.chat-message-wrapper {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.chat-message-wrapper.mine {
  align-items: flex-end;
}

.chat-message-wrapper.other {
  align-items: flex-start;
}

.chat-message-sender-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-xs) var(--spacing-xs);
}

.chat-message-row {
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-xs);
}

.chat-message-wrapper.mine .chat-message-row {
  flex-direction: row-reverse;
}

.chat-message-bubble {
  max-width: 320px;
  padding: 10px 14px;
  border-radius: 16px;
  position: relative;
  word-break: break-word;
}

.chat-message-bubble p {
  margin: 0;
  font-size: var(--font-size-base);
  line-height: 1.4;
}

.chat-message-bubble.mine {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-bottom-right-radius: var(--radius-sm);
}

.chat-message-bubble.other {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border-bottom-left-radius: var(--radius-sm);
}

.chat-message-bubble.hidden-placeholder {
  background: var(--color-gray-200);
  color: var(--color-text-muted);
  font-style: italic;
}

.chat-message-bubble.hidden-viewable {
  background: var(--color-danger-light);
  border: 1px dashed #fca5a5;
  color: #991b1b;
  cursor: pointer;
  font-style: italic;
}

.chat-message-time {
  font-size: 10px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* Message action buttons */
.message-action-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.message-hide-btn {
  background: var(--color-gray-500);
  color: var(--color-text-inverse);
  display: none;
}

.message-unhide-btn {
  background: var(--color-danger);
  color: var(--color-text-inverse);
}

.chat-message-wrapper:hover .message-hide-btn {
  display: flex;
}