:root {
  --bg: #0d1117;
  --panel: #161b22;
  --line: #262c36;
  --fg: #e6edf3;
  --muted: #8b949e;
  --accent: #4493f8;
  --ok: #3fb950;
  --bad: #f85149;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

/* ---- login ---- */
.login {
  display: grid;
  place-items: center;
  height: 100%;
  padding: 24px;
}

.login-card {
  width: min(360px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  display: grid;
  gap: 12px;
}

.login-card h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.sub {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

input,
button {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 10px 12px;
}

input {
  background: #0d1117;
  color: var(--fg);
}

input:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  filter: brightness(1.1);
}

.error {
  margin: 0;
  min-height: 1.2em;
  color: var(--bad);
  font-size: 13px;
}

/* ---- app ---- */
.app {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding-top: max(8px, env(safe-area-inset-top));
}

.bar button {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 500;
}

.bar button:hover {
  color: var(--fg);
  background: #21262d;
}

.spacer {
  flex: 1;
}

.status {
  color: var(--muted);
  font-size: 12px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  transition: background 0.2s;
}

.dot.online {
  background: var(--ok);
}

.dot.offline {
  background: var(--bad);
}

/* ---- live stat meters ---- */
.statbar {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-right: 4px;
}

.meter {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.meter-label {
  font-weight: 600;
  letter-spacing: 0.04em;
}

.meter-track {
  width: 54px;
  height: 5px;
  border-radius: 3px;
  background: #21262d;
  overflow: hidden;
}

.meter-fill {
  display: block;
  height: 100%;
  background: var(--ok);
  transition: width 0.4s ease;
}

.meter.warm .meter-fill {
  background: var(--yellow, #d29922);
}

.meter.hot .meter-fill {
  background: var(--bad);
}

.meter-val {
  font-variant-numeric: tabular-nums;
  min-width: 30px;
  text-align: right;
}

.target {
  font-size: 12px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.target.remote {
  color: var(--accent);
}

/* Stats inside an agent row sit under the name rather than inline. */
.agent-row .statbar,
.agent-stats {
  display: flex;
  gap: 12px;
  margin: 0;
}

/* ---- session panel ---- */
.panel {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 10px 12px 12px;
  max-height: 40vh;
  overflow-y: auto;
}

.panel-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.panel-note {
  color: var(--muted);
  font-size: 12px;
}

.session-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

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

.session-list .empty {
  color: var(--muted);
  font-size: 13px;
}

.session-open {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #0d1117;
  border: 1px solid var(--line);
  color: var(--fg);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  text-align: left;
  padding: 8px 10px;
}

.session-open:hover {
  background: #21262d;
  filter: none;
}

.tag {
  margin-left: auto;
  color: var(--muted);
  font-family: inherit;
  font-size: 11px;
  font-weight: 400;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 8px;
}

.tag-current {
  color: var(--ok);
  border-color: var(--ok);
}

.session-kill {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 0 12px;
}

.session-kill:hover {
  color: var(--bad);
  border-color: var(--bad);
  background: transparent;
  filter: none;
}

.panel-section + .panel-section {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.shell-pick {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.shell-pick select {
  background: #0d1117;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 8px;
  font: inherit;
}

.agent-row .session-open {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    'name tag'
    'sub  tag'
    'stats stats';
  gap: 3px 10px;
  align-items: center;
}

.agent-name {
  grid-area: name;
  font-weight: 600;
}

.agent-sub {
  grid-area: sub;
  color: var(--muted);
  font-size: 11px;
}

.agent-stats {
  grid-area: stats;
  margin-top: 5px;
  flex-wrap: wrap;
}

.agent-row .tag {
  grid-area: tag;
  margin-left: 0;
}

.install {
  margin-top: 12px;
}

.install summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--accent);
}

.install-cmd {
  background: #0d1117;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--fg);
  white-space: pre-wrap;
  word-break: break-all;
  margin: 8px 0;
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  padding: 6px 12px;
}

.copy-btn:hover {
  color: var(--fg);
  background: #21262d;
  filter: none;
}

.term {
  flex: 1;
  min-height: 0;
  padding: 6px 8px;
}

.xterm .xterm-viewport {
  scrollbar-width: thin;
}