/* row primitive — synthesis Session 3 (V1.1)
   one .row covers every list across Inbox / Agents / Tasks / Notifications.
   tokens only — no hardcoded px values.
   contract:
   <a class="row" href="#/tasks/abc" data-link="route:tasks/abc"
      data-agent-state="running" data-density="reading">
     <span class="row__leading">…</span>
     <span class="row__primary">…</span>
     <span class="row__meta">…</span>
     <span class="row__trailing">…</span>
   </a>
*/

.row {
  --row-state-color: var(--nfn-agent-idle-dot);
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--nfn-space-3);
  min-height: var(--nfn-density-reading-row-min);
  padding: var(--nfn-space-3) var(--nfn-space-4);
  background: transparent;
  color: var(--nfn-color-text-default);
  text-decoration: none;
  text-align: left;
  border: 1px solid var(--nfn-color-border-default);
  border-left: 3px solid var(--row-state-color);
  border-radius: 0;
  cursor: pointer;
  font: inherit;
  width: 100%;
  box-sizing: border-box;
  transition: background-color 120ms ease, border-color 120ms ease;
}

button.row { appearance: none; -webkit-appearance: none; }

.row + .row { border-top: 0; }

.row:hover,
.row:focus-visible {
  background: var(--nfn-color-bg-hover);
  border-color: var(--nfn-color-border-strong);
  border-left-color: var(--row-state-color);
}

.row:focus-visible { outline: 2px solid var(--nfn-color-border-interactive); outline-offset: -1px; }

.row.is-selected,
.row[aria-current="true"] {
  background: var(--nfn-color-interactive-selection);
  border-color: var(--nfn-color-border-strong);
  border-left-color: var(--row-state-color);
}

.row[data-density="dashboard"] {
  min-height: var(--nfn-density-dashboard-row-min);
  padding: var(--nfn-space-1) var(--nfn-space-4);
  gap: var(--nfn-space-2);
}

.row[data-agent-state="idle"]            { --row-state-color: var(--nfn-agent-idle-dot); }
.row[data-agent-state="running"]         { --row-state-color: var(--nfn-agent-running-dot); }
.row[data-agent-state="blocked"]         { --row-state-color: var(--nfn-agent-blocked-dot); }
.row[data-agent-state="awaiting-human"]  { --row-state-color: var(--nfn-agent-awaiting-human-dot); }
.row[data-agent-state="errored"]         { --row-state-color: var(--nfn-agent-errored-dot); }
.row[data-agent-state="complete"]        { --row-state-color: var(--nfn-agent-complete-dot); }

.row__leading {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--nfn-color-text-muted);
  min-width: var(--nfn-space-6);
}

.row__primary {
  display: flex;
  flex-direction: column;
  gap: var(--nfn-space-1);
  min-width: 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--nfn-color-text-default);
}
.row__primary > * { margin: 0; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.row__primary strong { font-weight: 600; }
.row__primary .row__sub {
  font-size: 12px;
  color: var(--nfn-color-text-muted);
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row__meta {
  display: inline-flex;
  align-items: center;
  gap: var(--nfn-space-2);
  font-size: 12px;
  color: var(--nfn-color-text-muted);
  white-space: nowrap;
}

.row__trailing {
  display: inline-flex;
  align-items: center;
  gap: var(--nfn-space-2);
}

.row__trailing time,
.row__meta time {
  font-family: var(--nfn-font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 11px;
  color: var(--nfn-color-text-muted);
}

.row-action {
  appearance: none;
  background: transparent;
  border: 1px solid var(--nfn-color-border-default);
  color: var(--nfn-color-text-muted);
  padding: var(--nfn-space-1) var(--nfn-space-2);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  border-radius: 4px;
}
.row-action:hover { color: var(--nfn-color-text-default); border-color: var(--nfn-color-border-strong); }