/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #0f3460;
  --bg-hover: #1a3a5c;
  --text-primary: #eee;
  --text-secondary: #aaa;
  --accent: #e94560;
  --accent-hover: #ff6b6b;
  --success: #4ade80;
  --warning: #fbbf24;
  --error: #ef4444;
  --info: #3b82f6;
  --border: #334155;
}

body {
  font-family: 'Segoe UI', 'Hiragino Sans', 'Meiryo', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== Header ========== */
.app-header {
  text-align: center;
  padding: 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.app-header h1 {
  font-size: 1.6rem;
  margin-bottom: 5px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ========== Tab Navigation ========== */
.tab-nav {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--border);
  padding: 0 20px;
  overflow-x: auto;
}

.tab-btn {
  padding: 14px 24px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ========== Main Content ========== */
.main-content {
  flex: 1;
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}

.section-header h2 {
  font-size: 1.2rem;
}

.section-header .actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ========== Buttons ========== */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-hover);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.8rem;
}

.btn-large {
  padding: 12px 24px;
  font-size: 1rem;
}

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

.btn-success {
  background: var(--success);
  color: #1a1a2e;
}

.btn-warning {
  background: var(--warning);
  color: #1a1a2e;
}

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

/* ========== Personas Grid ========== */
.personas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.persona-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.persona-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.persona-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
}

.persona-emoji {
  font-size: 2rem;
  flex-shrink: 0;
}

.persona-info {
  flex: 1;
  min-width: 0;
}

.persona-info h3 {
  font-size: 1rem;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.persona-info .realname {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.persona-info .description {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.persona-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.status-dot.offline {
  background: var(--text-secondary);
}

.persona-card-body {
  padding: 16px;
}

.persona-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.persona-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ========== Discussion Layout ========== */
.discussion-layout {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 20px;
}

@media (max-width: 1000px) {
  .discussion-layout {
    grid-template-columns: 1fr;
  }
}

.discussion-panel, .history-panel {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--border);
}

.settings-inline {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: 8px;
  margin-bottom: 15px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.settings-inline input[type="number"] {
  width: 55px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.settings-inline select {
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-width: 150px;
}

.pending-container {
  max-height: 500px;
  overflow-y: auto;
  margin-bottom: 15px;
}

.submit-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 15px;
  border-top: 1px solid var(--border);
}

/* ========== Pending Items ========== */
.pending-item {
  display: flex;
  gap: 12px;
  padding: 14px;
  background: var(--bg-primary);
  border-radius: 10px;
  margin-bottom: 12px;
  transition: all 0.2s;
  align-items: flex-start;
  border: 1px solid transparent;
}

.pending-item:last-child {
  margin-bottom: 0;
}

.pending-item.selected {
  background: rgba(233, 69, 96, 0.12);
  border-color: var(--accent);
}

.pending-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.item-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.item-left input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent);
}

.item-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  overflow: hidden;
}

.item-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-content {
  flex: 1;
  min-width: 0;
}

.original-message {
  background: var(--bg-card);
  padding: 10px 12px;
  border-radius: 8px;
  border-left: 3px solid var(--text-secondary);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.original-message .label {
  font-size: 0.75rem;
  margin-bottom: 4px;
}

.arrow-down {
  text-align: center;
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 8px;
}

.reply-message {
  background: var(--bg-secondary);
  padding: 10px 12px;
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.item-type {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: bold;
  margin-bottom: 6px;
}

.item-type.message {
  background: var(--info);
  color: white;
}

.item-type.reaction {
  background: var(--warning);
  color: #1a1a2e;
}

.item-text {
  font-size: 0.9rem;
  line-height: 1.5;
  word-break: break-word;
}

.reaction-emoji {
  font-size: 1.3rem;
}

.reaction-reason {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 4px;
}

/* ========== History List ========== */
.history-list {
  max-height: 600px;
  overflow-y: auto;
}

.history-item {
  padding: 12px;
  background: var(--bg-primary);
  border-radius: 8px;
  margin-bottom: 10px;
  font-size: 0.85rem;
}

.history-item .meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.history-item .status {
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
}

.status.pending {
  background: var(--warning);
  color: #1a1a2e;
}

.status.completed {
  background: var(--success);
  color: #1a1a2e;
}

.status.failed {
  background: var(--error);
  color: white;
}

/* ========== Monitor Layout ========== */
.monitor-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .monitor-layout {
    grid-template-columns: 1fr;
  }
}

.monitor-panel, .alert-panel {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--border);
}

.log-container {
  max-height: 500px;
  overflow-y: auto;
}

.log-entry {
  padding: 10px 12px;
  background: var(--bg-primary);
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 0.85rem;
  border-left: 3px solid var(--info);
}

.log-entry .log-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.log-entry .persona-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: var(--bg-card);
  border-radius: 4px;
}

.alert-container {
  max-height: 400px;
  overflow-y: auto;
}

.alert-item {
  padding: 12px;
  background: var(--bg-primary);
  border-radius: 6px;
  margin-bottom: 8px;
  border-left: 3px solid var(--error);
}

.alert-item.warning {
  border-left-color: var(--warning);
}

.alert-item .alert-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 0.75rem;
}

.alert-item .alert-type {
  font-weight: bold;
  color: var(--error);
}

.alert-item.warning .alert-type {
  color: var(--warning);
}

/* ========== Settings Layout ========== */
.settings-layout {
  max-width: 800px;
}

.settings-section {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 24px;
  border: 1px solid var(--border);
}

.settings-section h2 {
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.setting-group {
  margin-bottom: 24px;
}

.setting-group h3 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.setting-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.setting-row label {
  min-width: 150px;
  color: var(--text-secondary);
}

.setting-row input, .setting-row select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.workspace-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.workspace-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-primary);
  border-radius: 6px;
}

.workspace-item .path {
  font-family: monospace;
  font-size: 0.85rem;
}

.badge {
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: bold;
}

.badge-primary {
  background: var(--accent);
  color: white;
}

.badge-secondary {
  background: var(--bg-card);
  color: var(--text-secondary);
}

.setting-actions {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ========== Modal ========== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 20px;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--bg-secondary);
  padding: 24px;
  border-radius: 12px;
  max-width: 500px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  border: 1px solid var(--border);
}

.modal-content.modal-large {
  max-width: 900px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1.1rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

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

/* File Tabs */
.file-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.file-tab {
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px 6px 0 0;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}

.file-tab:hover {
  background: var(--bg-hover);
}

.file-tab.active {
  background: var(--bg-primary);
  color: var(--accent);
  border-bottom-color: var(--bg-primary);
}

.editor-container {
  background: var(--bg-primary);
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
}

#file-editor {
  width: 100%;
  min-height: 400px;
  padding: 16px;
  background: transparent;
  color: var(--text-primary);
  border: none;
  resize: vertical;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
}

#file-editor:focus {
  outline: none;
}

.editor-status {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.editor-status.saved {
  color: var(--success);
}

.editor-status.error {
  color: var(--error);
}

/* ========== Confirm Modal ========== */
#confirm-list {
  max-height: 300px;
  overflow-y: auto;
  margin-bottom: 20px;
}

.confirm-item {
  padding: 10px 12px;
  background: var(--bg-primary);
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

/* ========== Utility Classes ========== */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

/* ========== Footer ========== */
.app-footer {
  text-align: center;
  padding: 15px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .app-header h1 {
    font-size: 1.3rem;
  }
  
  .tab-btn {
    padding: 10px 16px;
    font-size: 0.85rem;
  }
  
  .main-content {
    padding: 15px;
  }
  
  .personas-grid {
    grid-template-columns: 1fr;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .modal-content {
    padding: 16px;
  }
  
  #file-editor {
    min-height: 300px;
  }
}