:root {
  --bg: #f3f5f8;
  --panel: #ffffff;
  --panel-muted: #fafbfd;
  --line: #d7dde6;
  --line-strong: #c4ccd8;
  --text: #142033;
  --text-muted: #5a667a;
  --primary: #1d4f91;
  --primary-soft: #eaf1fb;
  --success: #216e4c;
  --success-soft: #e7f4ed;
  --warning: #8a5a14;
  --warning-soft: #fdf1df;
  --danger: #992f2f;
  --danger-soft: #fae8e8;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  --radius: 10px;
  font-family: "IBM Plex Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

code,
pre,
.mono {
  font-family: "IBM Plex Mono", monospace;
}

.app-shell {
  display: grid;
  grid-template-columns: 310px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #eef2f7;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.main {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.nav-link,
.subnav-link,
.text-link {
  color: var(--primary);
  text-decoration: none;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  font-size: 0.9rem;
}

.nav-link.is-active {
  border-color: #8fb0d9;
  background: #f7fbff;
  font-weight: 600;
}

.subnav {
  display: flex;
  gap: 8px;
  margin-top: -4px;
}

.subnav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  font-size: 0.88rem;
}

.subnav-link.is-active {
  border-color: #8fb0d9;
  background: #f7fbff;
  font-weight: 600;
}

.compact-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-head,
.panel-title-row,
.toolbar-title,
.session-row-main,
.live-summary,
.form-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-head,
.panel-title-row {
  justify-content: space-between;
}

.toolbar {
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.toolbar-main {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.toolbar-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.toolbar-meta strong {
  color: var(--text);
}

.toolbar h2,
.panel h2,
.sidebar h1,
.login-card h1 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.25;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 600;
}

.muted {
  color: var(--text-muted);
}

.timezone-note {
  margin-top: 4px;
  font-size: 0.8rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.field span,
.detail-label,
th {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

input[type="text"],
input[type="password"],
select,
textarea,
input[type="file"] {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 180px;
}

button {
  border: 1px solid #1c4f93;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  padding: 10px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover:not(:disabled) {
  filter: brightness(0.96);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.secondary-button {
  border-color: var(--line-strong);
  background: var(--panel);
  color: var(--text);
}

.danger-button {
  border-color: #b43a3a;
  background: #b43a3a;
  color: #fff;
}

.compact-button {
  padding: 8px 10px;
}

.action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.file-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.count,
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.count,
.badge-subtle {
  background: #edf2f7;
  color: var(--text-muted);
}

.badge-idle,
.badge-success {
  background: var(--success-soft);
  color: var(--success);
}

.badge-running {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge-failed,
.badge-interrupted {
  background: var(--danger-soft);
  color: var(--danger);
}

.session-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.session-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  text-decoration: none;
  color: inherit;
}

.session-row.is-active {
  border-color: #8fb0d9;
  background: #f7fbff;
}

.session-row-meta {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.overview-focus-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.overview-primary-panel {
  padding: 16px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.stat-value {
  margin-top: 6px;
  font-size: 1.2rem;
  font-weight: 700;
}

.stat-note {
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px 16px;
}

.detail-grid > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.detail-value {
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.mention-picker {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mini-panel,
.collapsible-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-muted);
}

.mini-panel > summary,
.collapsible-panel > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  list-style: none;
  cursor: pointer;
  padding: 10px 12px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text);
}

.mini-panel > summary::-webkit-details-marker,
.collapsible-panel > summary::-webkit-details-marker {
  display: none;
}

.mini-panel > summary::after,
.collapsible-panel > summary::after {
  content: "+";
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
}

.mini-panel[open] > summary::after,
.collapsible-panel[open] > summary::after {
  content: "-";
}

.mini-panel > :not(summary),
.collapsible-body {
  padding: 0 12px 12px;
}

.summary-meta {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.quick-upload {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-muted);
  padding: 10px;
}

.dropzone {
  border: 1px dashed #9fb0c7;
  border-radius: 8px;
  background: #f8fbff;
  padding: 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dropzone.is-dragging {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.dropzone-title {
  font-size: 0.9rem;
  font-weight: 600;
}

.dropzone-text,
.dropzone-note {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mention-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-muted);
  padding: 8px;
}

.mention-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 10px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 8px 10px;
}

.mention-item small {
  grid-column: 2;
  color: var(--text-muted);
  overflow-wrap: anywhere;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 12px;
}

.runs-grid {
  grid-template-columns: 0.9fr 1.1fr;
}

.lower-grid {
  align-items: start;
}

.inline-checkbox {
  align-self: end;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding-bottom: 10px;
  color: var(--text);
}

.grow {
  flex: 1 1 auto;
}

.align-end {
  align-self: end;
}

.live-summary {
  flex-wrap: wrap;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.log-box {
  margin: 0;
  min-height: 240px;
  max-height: 520px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7f9fc;
  color: #17202f;
  padding: 12px;
}

.reply-box {
  margin: 0;
  min-height: 220px;
  max-height: 520px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 12px;
}

.run-reply {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.conversation-thread {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.conversation-entry {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.conversation-entry-user {
  align-items: flex-end;
}

.conversation-entry-assistant {
  align-items: flex-start;
}

.conversation-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  width: 100%;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.conversation-speaker {
  font-weight: 700;
  color: var(--text);
}

.conversation-time {
  color: var(--text-muted);
}

.conversation-box {
  margin: 0;
  width: min(100%, 980px);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}

.conversation-box-user {
  background: #eef4ff;
  border-color: #c9d8ef;
}

.conversation-box-assistant {
  background: var(--panel);
}

.conversation-files {
  width: min(100%, 980px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.conversation-file-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.conversation-file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7f9fc;
}

.conversation-file-path {
  color: var(--text-muted);
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: var(--panel);
}

.data-table th,
.data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table thead th {
  position: sticky;
  top: 0;
  background: var(--panel-muted);
  z-index: 1;
}

.preview-cell {
  width: 88px;
}

.toggle-cell {
  width: 56px;
  text-align: center;
}

.toggle-cell input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
}

.file-thumb-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-muted);
  overflow: hidden;
}

.file-thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  color: var(--text-muted);
  background: var(--panel-muted);
}

.cell-pre {
  max-height: 160px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.4;
}

.empty-panel {
  padding: 24px;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.error-text {
  margin: 0;
  color: var(--danger);
  font-size: 0.88rem;
  font-weight: 600;
}

@media (max-width: 1280px) {
  .stats-grid,
  .detail-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 980px) {
  .app-shell,
  .stats-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .sidebar,
  .main {
    padding: 12px;
  }

  .form-row,
  .toolbar-meta,
  .live-summary,
  .toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
}