:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-soft: #f1f5f2;
  --border: #d8dee4;
  --border-strong: #a8b0b8;
  --text: #1f252c;
  --muted: #68717c;
  --accent: #1f7a5c;
  --accent-dark: #155e46;
  --warning: #b7791f;
  --danger: #b42318;
  --info: #2563a8;
  --resolved: #626b73;
  --shadow: 0 8px 28px rgba(31, 37, 44, 0.08);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button, input, select, textarea { font: inherit; letter-spacing: 0; }

button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.54; }

.topbar {
  display: grid;
  grid-template-columns: minmax(220px, auto) 1fr;
  gap: 20px;
  align-items: center;
  padding: 14px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: #e4f2ea;
  border: 1px solid #bfd9cb;
  border-radius: 8px;
  flex: 0 0 auto;
}
.brand h1, .brand p { margin: 0; }
.brand h1 { font-size: 18px; line-height: 1.1; }
.brand p { color: var(--muted); font-size: 12px; margin-top: 3px; }

.session-bar {
  display: grid;
  grid-template-columns: minmax(150px, 210px) minmax(150px, 190px) minmax(220px, 1fr) 38px auto;
  gap: 10px;
  align-items: end;
}

label { display: grid; gap: 4px; min-width: 0; }
label span { color: var(--muted); font-size: 11px; text-transform: uppercase; }

input, select, textarea {
  width: 100%;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 36px;
  padding: 8px 10px;
  outline: none;
}
textarea { min-height: 92px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 122, 92, 0.14);
}

.icon-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}
.icon-button:hover { border-color: var(--border-strong); background: #f9fafb; }

.connection {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  white-space: nowrap;
}
.connection::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--resolved);
}
.connection[data-state="online"] { color: var(--accent-dark); border-color: #a6d8bd; background: #edf8f1; }
.connection[data-state="online"]::before { background: var(--accent); }
.connection[data-state="connecting"] { color: var(--warning); border-color: #f0d39a; background: #fff7e6; }
.connection[data-state="connecting"]::before { background: var(--warning); }
.connection[data-state="error"] { color: var(--danger); border-color: #efb2ad; background: #fff1f0; }
.connection[data-state="error"]::before { background: var(--danger); }

.workspace {
  display: grid;
  grid-template-columns: minmax(310px, 390px) minmax(420px, 1fr) minmax(260px, 330px);
  gap: 16px;
  padding: 16px;
  min-height: calc(100vh - 67px);
}

.queue-pane, .detail-pane, .events-pane {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.queue-pane, .events-pane { overflow: hidden; display: flex; flex-direction: column; }
.detail-pane { overflow: auto; }

.pane-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}
.pane-header.compact { padding-bottom: 12px; }
.pane-header h2, .pane-header p { margin: 0; }
.pane-header h2 { font-size: 16px; }
.pane-header p { color: var(--muted); font-size: 12px; margin-top: 3px; }

.count-grid { display: grid; grid-template-columns: repeat(2, minmax(54px, auto)); gap: 6px; }
.count-pill {
  min-width: 54px;
  padding: 5px 7px;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-align: center;
  background: #fafbfc;
}
.count-pill strong { display: block; font-size: 15px; }
.count-pill span { display: block; color: var(--muted); font-size: 10px; text-transform: uppercase; }

.status-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.status-tabs button {
  min-width: 0;
  min-height: 32px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.status-tabs button.active {
  background: #e8f3ed;
  border-color: #bdd9ca;
  color: var(--accent-dark);
}

.task-list, .event-list { overflow: auto; min-height: 0; }
.task-list { padding: 10px; display: grid; gap: 8px; }
.task-card {
  width: 100%;
  display: grid;
  gap: 8px;
  padding: 12px;
  text-align: left;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.task-card:hover { border-color: var(--border-strong); }
.task-card.active { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31, 122, 92, 0.12); }
.task-card-header { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.task-title { min-width: 0; }
.task-title strong { display: block; overflow-wrap: anywhere; }
.task-title span { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; overflow-wrap: anywhere; }
.task-meta { display: flex; flex-wrap: wrap; gap: 6px; color: var(--muted); font-size: 12px; }

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f7f8fa;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}
.badge.pending { color: var(--info); background: #eef6ff; border-color: #bed8f5; }
.badge.claimed { color: var(--accent-dark); background: #edf8f1; border-color: #bfe2cc; }
.badge.escalated { color: var(--warning); background: #fff7e6; border-color: #f0d39a; }
.badge.resolved { color: var(--resolved); background: #f1f3f5; border-color: #d6dbe0; }

.empty-list, .empty-detail {
  color: var(--muted);
  padding: 24px;
}
.empty-detail h2, .empty-detail p { margin: 0; }
.empty-detail p { margin-top: 6px; }

.detail-card { padding: 18px; display: grid; gap: 16px; }
.detail-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  border-bottom: 1px solid var(--border);
  padding-bottom: 14px;
}
.detail-top h2 { margin: 0; font-size: 20px; overflow-wrap: anywhere; }
.detail-top p { margin: 5px 0 0; color: var(--muted); overflow-wrap: anywhere; }
.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 10px;
}
.meta-item { padding: 10px; background: #f9fafb; border: 1px solid var(--border); border-radius: 6px; min-width: 0; }
.meta-item span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; }
.meta-item strong { display: block; margin-top: 4px; overflow-wrap: anywhere; }

.editor-section { display: grid; gap: 10px; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.section-title h3 { margin: 0; font-size: 15px; }
.field-grid { display: grid; gap: 8px; }
.field-row {
  display: grid;
  grid-template-columns: minmax(130px, 180px) minmax(0, 1fr) minmax(64px, auto) 34px;
  gap: 8px;
  align-items: center;
}
.field-row .key-cell {
  min-height: 36px;
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #f9fafb;
  overflow-wrap: anywhere;
}
.confidence { color: var(--muted); font-size: 12px; text-align: right; white-space: nowrap; }
.add-field { display: grid; grid-template-columns: minmax(120px, 180px) minmax(0, 1fr) auto; gap: 8px; }

.actions {
  display: grid;
  grid-template-columns: minmax(140px, 190px) 1fr;
  gap: 12px;
  align-items: end;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.action-buttons { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.command {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  background: #fff;
  color: var(--text);
}
.command.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.command.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.command.danger { color: var(--danger); border-color: #efb2ad; background: #fff7f6; }
.command:hover { border-color: var(--border-strong); }

.event-list { padding: 10px; display: grid; gap: 8px; align-content: start; }
.event-row {
  display: grid;
  gap: 3px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}
.event-row strong { font-size: 13px; overflow-wrap: anywhere; }
.event-row span { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: min(420px, calc(100vw - 32px));
  padding: 12px 14px;
  border-radius: 8px;
  background: #1f252c;
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}
.toast.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  .workspace { grid-template-columns: minmax(290px, 360px) minmax(390px, 1fr); }
  .events-pane { grid-column: 1 / -1; min-height: 180px; }
  .event-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .topbar { grid-template-columns: 1fr; }
  .session-bar { grid-template-columns: 1fr 1fr 38px auto; }
  .api-field { grid-column: 1 / -1; }
  .workspace { grid-template-columns: 1fr; padding: 10px; }
  .queue-pane, .detail-pane, .events-pane { min-height: auto; }
  .meta-grid { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .confidence { text-align: left; }
  .add-field { grid-template-columns: 1fr; }
  .actions { grid-template-columns: 1fr; }
  .action-buttons { justify-content: stretch; }
  .action-buttons .command { flex: 1 1 140px; }
  .event-list { grid-template-columns: 1fr; }
}