/* Omics Guild — cream + navy theme */
:root {
  --cream-50: #fdfbf7;
  --cream-100: #faf7f2;
  --cream-200: #f3ede3;
  --cream-300: #e8dfd2;
  --cream-border: #ddd2c4;

  --navy-900: #0f1e33;
  --navy-800: #152238;
  --navy-700: #1a3050;
  --navy-600: #243b5c;
  --navy-500: #2e5090;
  --navy-400: #4a6fa5;

  --text-primary: #1a2332;
  --text-secondary: #5a6478;
  --text-muted: #8a94a6;
  --text-on-navy: #e8edf5;
  --text-on-navy-muted: #a8b8d0;

  --accent: #1e4a7a;
  --accent-hover: #2a5f99;
  --success: #2d6a4f;
  --warning: #b8860b;
  --danger: #9b2335;

  --sidebar-w: 260px;
  --artifacts-w: 340px;
  --radius: 10px;
  --radius-sm: 6px;
  --font-sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-serif: "Source Serif 4", "Noto Serif SC", Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--cream-100);
  overflow: hidden;
}

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--artifacts-w);
  height: 100vh;
  overflow: hidden;
}

.app > * {
  min-height: 0;
}

/* ── Sidebar ── */
.sidebar {
  background: var(--navy-800);
  color: var(--text-on-navy);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--navy-900);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--navy-700);
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: var(--navy-600);
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.brand-name {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-on-navy-muted);
  margin-top: 1px;
}

.nav-section {
  padding: 12px 10px 6px;
}

.nav-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-navy-muted);
  padding: 0 8px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-on-navy-muted);
  transition: background 0.15s, color 0.15s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font: inherit;
}

.nav-item:hover { background: var(--navy-700); color: var(--text-on-navy); }
.nav-item.active { background: var(--navy-600); color: var(--text-on-navy); }

.nav-item svg { flex-shrink: 0; opacity: 0.85; }

.session-item {
  flex-direction: column;
  align-items: flex-start !important;
  gap: 2px !important;
}

.session-item-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
  text-align: left;
}

.session-item-meta {
  font-size: 10px;
  opacity: 0.65;
}

.nav-item.active,
.session-item.active {
  background: var(--navy-700);
  color: var(--text-on-navy);
}

/* Team agents */
.agent-list { padding: 0 10px; }

.agent-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  cursor: pointer;
  transition: background 0.15s;
}

.agent-card:hover { background: var(--navy-700); }
.agent-card.active { background: var(--navy-600); }

.agent-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.agent-avatar.leader { background: #3d5a80; color: #fff; }
.agent-avatar.analyst { background: #2d6a5a; color: #fff; }
.agent-avatar.literature { background: #5c4d7a; color: #fff; }
.agent-avatar.reviewer { background: #7a4d4d; color: #fff; }

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

.agent-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-on-navy);
}

.agent-role {
  font-size: 11px;
  color: var(--text-on-navy-muted);
  margin-top: 1px;
}

.agent-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  margin-top: 4px;
  color: var(--text-on-navy-muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.idle { background: #6b7280; }
.status-dot.running { background: #4ade80; animation: pulse 1.5s infinite; }
.status-dot.waiting { background: #fbbf24; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px 16px;
  border-top: 1px solid var(--navy-700);
  font-size: 11px;
  color: var(--text-on-navy-muted);
}

.sidebar-footer strong { color: var(--text-on-navy); }

/* ── Main chat ── */
.main {
  display: flex;
  flex-direction: column;
  background: var(--cream-50);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--cream-border);
  background: var(--cream-100);
  flex-shrink: 0;
}

.session-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.team-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  padding: 4px 10px;
  background: var(--navy-800);
  color: var(--text-on-navy);
  border-radius: 20px;
  margin-left: 10px;
}

.kanban-strip {
  display: flex;
  gap: 8px;
  padding: 10px 20px;
  background: var(--cream-200);
  border-bottom: 1px solid var(--cream-border);
  overflow-x: auto;
  flex-shrink: 0;
}

.kanban-chip {
  flex-shrink: 0;
  font-size: 11px;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--cream-50);
  border: 1px solid var(--cream-border);
  color: var(--text-secondary);
}

.kanban-chip.done {
  background: #e8f5ee;
  border-color: #b8dcc8;
  color: var(--success);
}

.kanban-chip.active {
  background: var(--navy-800);
  border-color: var(--navy-700);
  color: var(--text-on-navy);
}

.chat-area {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 24px 20px;
}

.welcome {
  max-width: 520px;
  margin: 40px auto;
  text-align: center;
}

.welcome-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background: var(--navy-800);
  border-radius: 12px;
  display: grid;
  place-items: center;
}

.welcome h1 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 500;
  color: var(--navy-800);
  line-height: 1.35;
  margin-bottom: 10px;
}

.welcome p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.welcome-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
}

.tag {
  font-size: 11px;
  padding: 5px 12px;
  background: var(--cream-200);
  border: 1px solid var(--cream-border);
  border-radius: 20px;
  color: var(--navy-600);
}

/* Messages */
.message {
  max-width: 720px;
  margin-bottom: 20px;
}

.message.user { margin-left: auto; }

.message-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.msg-avatar {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-size: 9px;
  font-weight: 700;
  color: #fff;
}

.msg-avatar.user { background: var(--navy-600); }
.msg-avatar.leader { background: #3d5a80; }
.msg-avatar.analyst { background: #2d6a5a; }
.msg-avatar.literature { background: #5c4d7a; }
.msg-avatar.reviewer { background: #7a4d4d; }
.msg-avatar.system { background: var(--text-muted); }

.msg-meta {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.msg-time { font-size: 11px; color: var(--text-muted); margin-left: auto; }

.message-body {
  padding: 12px 16px;
  border-radius: var(--radius);
  line-height: 1.6;
  font-size: 14px;
}

.message.user .message-body {
  background: var(--navy-800);
  color: var(--text-on-navy);
  border-bottom-right-radius: 4px;
}

.message.assistant .message-body {
  background: var(--cream-200);
  border: 1px solid var(--cream-border);
  border-bottom-left-radius: 4px;
}

.tool-call {
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--cream-100);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--navy-600);
}

.tool-call-head {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-weight: 600;
  margin-bottom: 6px;
}

.tool-call-log {
  margin: 0;
  padding: 8px 10px;
  background: #fff5f5;
  border: 1px solid #f0d0d0;
  border-radius: var(--radius-sm);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 11px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
  overflow: auto;
  color: #7f1d1d;
}

.tool-call.ok .tool-call-log {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #14532d;
  max-height: 160px;
}

.tool-call.ok { border-left: 3px solid var(--success); }
.tool-call.err { border-left: 3px solid var(--danger); }

/* Input */
.input-area {
  padding: 12px 20px 20px;
  border-top: 1px solid var(--cream-border);
  background: var(--cream-100);
  flex-shrink: 0;
}

.skills-open-btn {
  padding: 4px 10px !important;
  font-size: 11px !important;
  margin-right: 4px;
  border: 1px solid var(--cream-border);
  border-radius: 14px;
}

.skills-open-btn .skills-toggle-count {
  margin-left: 4px;
}

.skills-toggle-count {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 10px;
  background: var(--navy-800);
  color: var(--text-on-navy);
}

.skills-toggle-count.empty {
  background: var(--cream-300);
  color: var(--text-secondary);
}

/* Skills modal — drag & drop layout */
.skills-modal-body {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 20px !important;
  flex: 1;
  min-height: 0;
}

.skills-modal-hint {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  flex-shrink: 0;
}

.skills-dnd-layout {
  display: grid;
  grid-template-columns: minmax(240px, 36%) minmax(0, 1fr);
  gap: 16px;
  flex: 1;
  min-height: 0;
  height: 100%;
}

@media (max-width: 720px) {
  .skills-dnd-layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(160px, 34%) minmax(0, 1fr);
  }
}

.skills-dnd-pool,
.skills-dnd-agents {
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-sm);
  background: var(--cream-100);
  overflow: hidden;
}

.skills-dnd-panel-title {
  flex-shrink: 0;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--navy-800);
  background: var(--cream-200);
  border-bottom: 1px solid var(--cream-border);
}

.skills-pool-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 8px;
}

.skills-pool-list::-webkit-scrollbar,
.skills-drop-items::-webkit-scrollbar {
  width: 8px;
}

.skills-pool-list::-webkit-scrollbar-thumb,
.skills-drop-items::-webkit-scrollbar-thumb {
  background: var(--cream-300);
  border-radius: 4px;
}

.skill-pool-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  margin-bottom: 6px;
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: grab;
  user-select: none;
  transition: box-shadow 0.15s, border-color 0.15s;
}

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

.skill-pool-item:hover {
  border-color: var(--navy-400);
  box-shadow: 0 2px 8px rgba(21, 34, 56, 0.06);
}

.skill-pool-item.is-dragging {
  opacity: 0.45;
  cursor: grabbing;
}

.skill-pool-grip {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1;
  padding-top: 2px;
  flex-shrink: 0;
}

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

.skill-pool-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-800);
  line-height: 1.3;
}

.skill-pool-badge {
  display: inline-block;
  margin-left: 6px;
  font-size: 9px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 8px;
  background: var(--navy-800);
  color: var(--text-on-navy);
  vertical-align: middle;
}

.skill-pool-desc {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.skills-agents-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 10px;
  overflow: hidden;
}

.skills-drop-zone {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border: 2px dashed var(--cream-border);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color 0.15s, background 0.15s;
}

.skills-drop-zone.drag-over {
  border-color: var(--navy-500);
  background: #f0f4fa;
}

.skills-drop-head {
  flex-shrink: 0;
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy-800);
  border-bottom: 1px solid var(--cream-border);
  background: var(--cream-50);
}

.skills-drop-items {
  flex: 1;
  min-height: 72px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 8px;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 6px;
}

.skills-drop-placeholder {
  width: 100%;
  padding: 16px 8px;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  pointer-events: none;
}

.skill-assigned-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: 100%;
  padding: 5px 6px 5px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--navy-800);
  background: var(--cream-200);
  border: 1px solid var(--cream-border);
  border-radius: 14px;
  cursor: grab;
  user-select: none;
}

.skill-assigned-chip.is-dragging {
  opacity: 0.45;
  cursor: grabbing;
}

.skill-assigned-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 140px;
}

.skill-assigned-remove {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
}

.skill-assigned-remove:hover {
  background: var(--danger);
  color: #fff;
}

.skills-dnd-empty {
  padding: 20px 12px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.modal-skills .modal-header {
  padding: 16px 20px;
}

.modal-skills .modal-header h2 {
  font-size: 17px;
}

.modal-skills .modal-footer {
  flex-shrink: 0;
  padding: 12px 20px 16px;
  gap: 10px;
}

.agent-pipeline-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 10px;
  padding: 8px 10px;
  background: var(--cream-200);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-sm);
}

.pipeline-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.pipeline-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1;
}

.pipeline-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--cream-border);
  background: var(--cream-50);
  color: var(--navy-700);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s, border-color 0.15s;
}

.pipeline-chip input {
  accent-color: var(--navy-600);
  margin: 0;
  cursor: pointer;
}

.pipeline-chip.active {
  background: var(--navy-800);
  border-color: var(--navy-700);
  color: var(--text-on-navy);
}

.pipeline-chip.active input { filter: brightness(1.2); }

.pipeline-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  flex-shrink: 0;
}

.preset-btn {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 12px;
  border: 1px solid var(--cream-border);
  background: var(--cream-50);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
}

.preset-btn:hover {
  background: var(--cream-300);
  color: var(--navy-800);
}

.input-box {
  background: var(--cream-50);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color 0.15s;
}

.input-box:focus-within { border-color: var(--navy-400); }

.input-box textarea {
  width: 100%;
  border: none;
  background: transparent;
  resize: none;
  font: inherit;
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  min-height: 44px;
  max-height: 160px;
}

.input-box textarea::placeholder { color: var(--text-muted); }

.input-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}

.input-hint {
  font-size: 11px;
  color: var(--text-muted);
}

.input-buttons { display: flex; gap: 8px; }

.btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.btn-ghost {
  background: transparent;
  border-color: var(--cream-border);
  color: var(--text-secondary);
}

.btn-ghost:hover { background: var(--cream-200); }

.btn-primary {
  background: var(--navy-800);
  color: var(--text-on-navy);
}

.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Artifacts panel ── */
.artifacts {
  background: var(--cream-100);
  border-left: 1px solid var(--cream-border);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.artifacts-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--cream-border);
  flex-shrink: 0;
}

.artifacts-tabs {
  display: flex;
  gap: 4px;
}

.tab {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-muted);
  transition: background 0.15s, color 0.15s;
}

.tab:hover { color: var(--text-primary); }
.tab.active {
  background: var(--navy-800);
  color: var(--text-on-navy);
}

.artifacts-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  line-height: 1;
}

.artifacts-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.artifacts-panel {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.artifacts-split {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.artifact-detail-pane {
  flex-shrink: 0;
  max-height: 52%;
  overflow-y: auto;
  padding: 12px 14px;
  border-bottom: 1px solid var(--cream-border);
  background: #fff;
}

.artifact-list-label {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-muted);
  padding: 8px 14px 4px;
}

.artifact-list-pane {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 4px 14px 14px;
}

#panel-files,
#panel-provenance {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 16px;
}

.artifact-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
}

.artifact-empty svg { opacity: 0.35; margin-bottom: 12px; }

.artifact-empty p { font-size: 13px; line-height: 1.5; }

.artifact-card {
  background: var(--cream-50);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.artifact-card:hover { border-color: var(--navy-400); }
.artifact-card.selected { border-color: var(--navy-800); background: #fff; }

.artifact-type {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy-500);
  margin-bottom: 4px;
}

.artifact-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.artifact-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.artifact-meta time,
.artifact-card.selected .artifact-meta {
  color: var(--navy-600);
}

.artifact-preview {
  margin-top: 0;
  padding: 0;
  background: transparent;
  border: none;
}

.artifact-detail-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  word-break: break-all;
}

.artifact-text-preview {
  font-size: 11px;
  overflow: auto;
  max-height: 200px;
  background: var(--cream-200);
  padding: 10px;
  border-radius: 6px;
  white-space: pre-wrap;
  margin: 0;
}

.artifact-image {
  display: block;
  max-width: 100%;
  max-height: 420px;
  width: auto;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--cream-border);
  background: #fff;
}

.artifact-path {
  margin-top: 10px;
  font-size: 10px;
  color: var(--text-muted);
  word-break: break-all;
  line-height: 1.4;
}

.spatial-map {
  width: 100%;
  height: 180px;
  background: var(--navy-700);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.spatial-dot {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  opacity: 0.7;
}

.provenance-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--cream-border);
  font-size: 12px;
}

.provenance-row:last-child { border-bottom: none; }
.provenance-key { color: var(--text-muted); }
.provenance-val { color: var(--text-primary); font-weight: 500; text-align: right; max-width: 60%; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--cream-border); border-radius: 3px; }
.sidebar ::-webkit-scrollbar-thumb { background: var(--navy-600); }

.hidden { display: none !important; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 30, 51, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: var(--cream-50);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius);
  width: min(420px, 92vw);
  box-shadow: 0 8px 32px rgba(21, 34, 56, 0.15);
}

/* Skills 弹窗：必须写在 .modal 之后，否则宽度被 420px 覆盖 */
.modal.modal-skills {
  width: min(960px, 96vw);
  height: min(640px, 88vh);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--cream-border);
}

.modal-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--navy-800);
}

.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}

.modal-body { padding: 18px; }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.field span {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.field input {
  padding: 9px 12px;
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-sm);
  font: inherit;
  background: #fff;
}

.field input:focus {
  outline: none;
  border-color: var(--navy-400);
}

.field-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 18px 16px;
  border-top: 1px solid var(--cream-border);
}

.file-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border-bottom: 1px solid var(--cream-border);
  font-size: 12px;
  cursor: pointer;
}

.file-row:hover { background: var(--cream-200); }

.file-row-path { color: var(--navy-600); font-family: "JetBrains Mono", Consolas, monospace; }

.file-row-size { color: var(--text-muted); font-size: 11px; }

.files-toolbar {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--cream-border);
}

.files-toolbar-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.files-output-dir {
  display: block;
  font-size: 11px;
  font-family: "JetBrains Mono", Consolas, monospace;
  color: var(--navy-700);
  word-break: break-all;
  background: var(--cream-200);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.files-toolbar-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.btn-sm {
  padding: 4px 10px !important;
  font-size: 11px !important;
}

.file-tree {
  font-size: 12px;
  font-family: "JetBrains Mono", Consolas, monospace;
}

.tree-node { user-select: none; }

.tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--navy-700);
}

.tree-row:hover { background: var(--cream-200); }
.tree-row.selected { background: #e8eef8; color: var(--navy-900); }
.tree-row.tree-loading,
.tree-row.tree-empty { cursor: default; opacity: 0.65; }

.tree-toggle {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy-400);
  border-radius: 2px;
  background: var(--cream-50);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: var(--navy-800);
  font-family: var(--font-sans);
  user-select: none;
}

.tree-toggle.expanded {
  background: var(--cream-200);
}

.tree-toggle.leaf {
  visibility: hidden;
  border-color: transparent;
  background: transparent;
}

.tree-icon { flex-shrink: 0; font-size: 11px; }

.tree-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.tree-size {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.tree-children {
  margin-left: 10px;
  padding-left: 8px;
  border-left: 1px dashed var(--cream-border);
}

.files-selection {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--cream-border);
}

.files-selection-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.files-selection code {
  display: block;
  font-size: 11px;
  word-break: break-all;
  background: var(--cream-200);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.files-preview {
  margin-bottom: 10px;
}

.files-preview .artifact-image {
  max-height: 360px;
}

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy-800);
  color: var(--text-on-navy);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  z-index: 2000;
}

.artifacts.collapsed { display: none; }

.app.artifacts-hidden { grid-template-columns: var(--sidebar-w) 1fr; }

/* Auth gate */
.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(12, 18, 32, 0.72);
  backdrop-filter: blur(6px);
}

.auth-gate.hidden { display: none; }

body.auth-locked .app { filter: blur(2px); pointer-events: none; user-select: none; }

.auth-card {
  width: min(420px, calc(100vw - 32px));
  background: var(--cream-100);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-lg);
  padding: 28px 28px 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.auth-brand { margin-bottom: 20px; }
.auth-brand .brand-name { font-size: 20px; font-weight: 600; color: var(--navy-800); }
.auth-brand .brand-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.auth-tab {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-sm);
  background: var(--cream-200);
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
}

.auth-tab.active {
  background: var(--navy-700);
  color: var(--text-on-navy);
  border-color: var(--navy-700);
}

.auth-form .field { margin-bottom: 12px; }
.auth-submit { width: 100%; margin-top: 8px; }

.auth-error {
  font-size: 12px;
  color: #dc2626;
  margin: 4px 0 8px;
}

.auth-guest-back {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
}

.auth-guest-back.hidden { display: none; }

.account-badge {
  font-size: 11px;
  color: var(--text-muted);
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.account-badge.sub-ok { color: #15803d; }
.account-badge.sub-trial { color: #0369a1; }
.account-badge .sub-expired { color: #dc2626; }

/* Billing modal */
.modal.modal-billing {
  width: min(720px, calc(100vw - 32px));
  max-height: min(640px, calc(100vh - 48px));
}

.billing-intro {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.billing-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 720px) {
  .billing-plans { grid-template-columns: 1fr; }
}

.billing-plan-card {
  position: relative;
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
  padding: 16px;
  background: var(--cream-50, #fff);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.billing-plan-card:hover { border-color: var(--navy-400); }

.billing-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 10px;
  background: #fef3c7;
  color: #92400e;
  padding: 2px 8px;
  border-radius: 999px;
}

.billing-plan-name { font-size: 16px; font-weight: 600; color: var(--navy-800); }
.billing-plan-price { font-size: 22px; font-weight: 600; color: var(--navy-700); }
.billing-plan-price span { font-size: 12px; font-weight: 400; color: var(--text-muted); }
.billing-plan-desc { font-size: 12px; color: var(--text-muted); flex: 1; }
.billing-buy { align-self: flex-start; margin-top: 4px; }

/* Account modal — same family as billing */
.modal.modal-account {
  width: min(480px, calc(100vw - 32px));
  max-height: min(560px, calc(100vh - 48px));
}

.account-profile-card {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
  padding: 16px;
  background: var(--cream-50, #fff);
  margin-bottom: 14px;
}

.account-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--navy-700);
  color: var(--text-on-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  flex-shrink: 0;
}

.account-profile-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--navy-800);
}

.account-profile-email {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
  word-break: break-all;
}

.account-detail-rows {
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--cream-50, #fff);
}

.account-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  font-size: 13px;
}

.account-detail-row + .account-detail-row {
  border-top: 1px solid var(--cream-border);
}

.account-detail-label {
  color: var(--text-muted);
  flex-shrink: 0;
}

.account-detail-value {
  color: var(--navy-800);
  font-weight: 500;
  text-align: right;
}

.account-detail-value.status-trial { color: #0369a1; }
.account-detail-value.status-active { color: #15803d; }
.account-detail-value.status-expired { color: #dc2626; }

.account-logout-prompt {
  margin: 14px 0 0;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--navy-800);
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
}

.modal.modal-admin {
  width: min(920px, calc(100vw - 32px));
  max-height: min(720px, calc(100vh - 48px));
}

.admin-table-wrap {
  overflow: auto;
  max-height: 420px;
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
}

.admin-users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.admin-users-table th,
.admin-users-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--cream-border);
  vertical-align: middle;
}

.admin-users-table th {
  background: var(--cream-200);
  color: var(--navy-800);
  font-weight: 600;
  position: sticky;
  top: 0;
}

.admin-users-table tr:hover td {
  background: var(--cream-50, #fff);
}

.admin-tag {
  display: inline-block;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  background: #dbeafe;
  color: #1d4ed8;
  margin-left: 4px;
}

/* ── Welcome landing ── */
.welcome-landing {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream-50);
  overflow: hidden;
}

.welcome-landing.hidden {
  display: none;
}

.welcome-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.welcome-landing-glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 80, 144, 0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  pointer-events: none;
  animation: welcome-glow-pulse 6s ease-in-out infinite;
}

@keyframes welcome-glow-pulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -55%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -55%) scale(1.08); }
}

.welcome-landing-inner {
  position: relative;
  z-index: 2;
  width: min(560px, calc(100vw - 40px));
  padding: 36px 32px 32px;
  background: rgba(253, 251, 247, 0.88);
  border: 1px solid var(--cream-border);
  border-radius: 16px;
  box-shadow:
    0 4px 24px rgba(26, 35, 50, 0.06),
    0 24px 64px rgba(26, 35, 50, 0.08);
  backdrop-filter: blur(12px);
  animation: welcome-fade-up 0.7s ease-out;
}

@keyframes welcome-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.welcome-landing-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.welcome-landing-logo {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-500));
  color: var(--text-on-navy-muted);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(30, 74, 122, 0.25);
}

.welcome-landing-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 500;
  color: var(--navy-800);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.welcome-landing-tagline {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.welcome-landing-lead {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.welcome-landing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.welcome-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: var(--cream-100);
  border: 1px solid var(--cream-200);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.welcome-feature:hover {
  border-color: var(--cream-border);
  box-shadow: 0 2px 8px rgba(26, 35, 50, 0.04);
}

.welcome-feature-icon {
  font-size: 18px;
  color: var(--navy-500);
  line-height: 1;
  margin-top: 2px;
}

.welcome-feature strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-800);
  margin-bottom: 2px;
}

.welcome-feature span {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.welcome-landing-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.welcome-btn-start {
  width: 100%;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
}

.welcome-btn-trial {
  width: 100%;
  padding: 10px 20px;
  font-size: 14px;
  border: 1px solid var(--cream-border);
  background: var(--cream-200);
  color: var(--navy-700);
}

.welcome-btn-trial:hover {
  background: var(--cream-300);
  color: var(--navy-800);
}

.welcome-landing-foot {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.welcome-link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.welcome-link:hover {
  color: var(--accent-hover);
}

body.landing-active .app {
  filter: blur(1px);
  pointer-events: none;
  user-select: none;
}

/* Guest mode header */
.guest-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy-600);
  background: var(--cream-200);
  border: 1px solid var(--cream-border);
  padding: 4px 10px;
  border-radius: 999px;
}

.guest-badge.hidden { display: none; }

.btn-sm {
  font-size: 12px;
  line-height: 1.2;
}