/* Agent Hub dashboard
 *
 * Design rationale: this runs all day on a second monitor. It needs to
 * be scannable at a glance, easy on the eyes, and provide high
 * information density without becoming noise. Inspired by oscilloscopes,
 * trading terminals, and the BBC Micro CLI.
 */

:root {
  --bg:        #0f1115;
  --bg-2:      #14171d;
  --bg-3:      #1a1e25;
  --border:    #262b34;
  --border-2:  #2f3540;
  --fg:        #d6dae0;
  --fg-dim:    #8a9099;
  --fg-faint:  #5a626e;
  --accent:    #7dd3fc;          /* cyan, calm */
  --ok:        #86efac;
  --warn:      #fbbf24;
  --err:       #f87171;
  --info:      #c4b5fd;

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --display: 'Fraunces', Georgia, serif;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.45;
  font-feature-settings: "calt" 1, "ss01" 1;
  -webkit-font-smoothing: antialiased;
}

/* --- Top bar ------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(125, 211, 252, 0.6);
  animation: pulse 2.4s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.logo-text {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--border);
}

.status-pill .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.status-connected {
  color: var(--ok);
  border-color: rgba(134, 239, 172, 0.3);
}
.status-connected .status-dot {
  background: var(--ok);
  box-shadow: 0 0 8px rgba(134, 239, 172, 0.6);
}

.status-disconnected {
  color: var(--err);
  border-color: rgba(248, 113, 113, 0.3);
}
.status-disconnected .status-dot {
  background: var(--err);
}

.event-counter {
  color: var(--fg-dim);
  font-size: 11px;
  letter-spacing: 0.05em;
}

/* --- Layout -------------------------------------------------------- */

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: calc(100vh - 53px);
}

.sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-2);
  overflow-y: auto;
  padding: 18px 20px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-header-pad {
  margin-top: 28px;
}

.section-header h2 {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fg);
}

.badge {
  font-size: 11px;
  color: var(--fg-dim);
  background: var(--bg-3);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* --- Agent list ---------------------------------------------------- */

.agent-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.agent-empty {
  color: var(--fg-faint);
  font-style: italic;
  padding: 12px 0;
}

.agent-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  transition: border-color 0.15s ease;
}

.agent-row:hover {
  border-color: var(--border-2);
}

.agent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fg-faint);
}

.agent-state-idle .agent-dot { background: var(--fg-dim); }
.agent-state-running .agent-dot {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(125, 211, 252, 0.5);
  animation: pulse 1.2s infinite;
}
.agent-state-done .agent-dot { background: var(--ok); }
.agent-state-failed .agent-dot {
  background: var(--err);
  box-shadow: 0 0 6px rgba(248, 113, 113, 0.5);
}

.agent-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.agent-name {
  font-weight: 600;
  color: var(--fg);
}

.agent-detail {
  font-size: 10.5px;
  color: var(--fg-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.agent-tasks {
  font-size: 10.5px;
  color: var(--fg-faint);
  font-variant-numeric: tabular-nums;
}

/* --- Filters ------------------------------------------------------- */

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

.filter-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}

.filter-label select,
.filter-label input {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 6px 8px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: none;
  letter-spacing: 0;
}

.filter-label select:focus,
.filter-label input:focus {
  outline: none;
  border-color: var(--accent);
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
  cursor: pointer;
}

/* --- Event stream -------------------------------------------------- */

.stream {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.stream-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.stream-header h2 {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 600;
}

.stream-hint {
  font-size: 11px;
  color: var(--fg-faint);
  letter-spacing: 0.05em;
}

.event-stream {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}

.event-stream::-webkit-scrollbar {
  width: 8px;
}

.event-stream::-webkit-scrollbar-thumb {
  background: var(--border-2);
  border-radius: 4px;
}

.stream-empty {
  color: var(--fg-faint);
  font-style: italic;
  text-align: center;
  padding: 40px 22px;
}

.event {
  border-bottom: 1px solid var(--border);
  padding: 8px 22px;
  cursor: pointer;
  display: grid;
  grid-template-columns: 80px 100px 90px 1fr;
  gap: 14px;
  align-items: start;
  font-variant-numeric: tabular-nums;
  transition: background-color 0.1s ease;
}

.event:hover {
  background: var(--bg-2);
}

.event-ts {
  color: var(--fg-faint);
  font-size: 11px;
}

.event-agent {
  color: var(--fg);
  font-weight: 500;
}

.event-agent::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

.event-type {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-type-task    { color: var(--accent); }
.event-type-result  { color: var(--ok); }
.event-type-status  { color: var(--info); }
.event-type-hello   { color: var(--fg-dim); }
.event-type-failed  { color: var(--err); }

.event-direction-out .event-agent::before { background: var(--accent); }
.event-direction-in  .event-agent::before { background: var(--ok); }

.event-summary {
  color: var(--fg-dim);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}

.event-row-expanded .event-summary {
  white-space: pre-wrap;
  word-break: break-word;
}

.event-payload {
  grid-column: 2 / -1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 14px;
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--fg-dim);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
}

.event-payload-key {
  color: var(--accent);
}

.event-payload-string {
  color: var(--ok);
}

.event-meta {
  grid-column: 1 / -1;
  display: flex;
  gap: 16px;
  margin-top: 6px;
  font-size: 10.5px;
  color: var(--fg-faint);
}

.event-meta-tag {
  background: var(--bg-3);
  padding: 1px 7px;
  border-radius: 3px;
  border: 1px solid var(--border);
}

/* --- Direction indicator ------------------------------------------- */

.event-direction-in  .event-agent { color: var(--ok); }
.event-direction-out .event-agent { color: var(--accent); }

/* --- Responsive ---------------------------------------------------- */

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: calc(100vh - 53px);
  }
  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 40vh;
  }
}