/* gstack browse — Side Panel dark theme */
/* Design tokens from cookie picker, extended */

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

:root {
  --bg-body: #0a0a0a;
  --bg-header: #0f0f0f;
  --bg-surface: #1a1a1a;
  --bg-hover: #151515;
  --border: #222;
  --border-inactive: #333;
  --border-hover: #555;
  --text-heading: #fff;
  --text-body: #e0e0e0;
  --text-label: #888;
  --text-meta: #666;
  --text-disabled: #555;
  --green: #4ade80;
  --red: #f87171;
  --blue: #60a5fa;
  --purple: #a78bfa;
  --amber: #fbbf24;
  --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

body {
  background: var(--bg-body);
  color: var(--text-body);
  font-family: var(--font-system);
  font-size: 13px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ─── Header ──────────────────────────────────────────── */
header {
  height: 40px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  flex-shrink: 0;
}
.header-left { display: flex; align-items: center; gap: 8px; }
.monogram {
  width: 22px;
  height: 22px;
  background: var(--green);
  color: #000;
  font-weight: 700;
  font-size: 13px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.title { color: var(--text-heading); font-weight: 600; font-size: 14px; letter-spacing: -0.3px; }
.header-right { display: flex; align-items: center; gap: 6px; }
.header-port { color: var(--text-meta); font-family: var(--font-mono); font-size: 11px; }

/* ─── Status Dot ──────────────────────────────────────── */
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-disabled);
  flex-shrink: 0;
}
.dot.connected { background: var(--green); }
.dot.reconnecting {
  background: var(--amber);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ─── Tab Bar ─────────────────────────────────────────── */
.tabs {
  height: 36px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-shrink: 0;
}
.tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-label);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.tab:hover:not(.disabled) { color: #ccc; }
.tab.active {
  color: var(--text-heading);
  border-bottom-color: var(--green);
}
.tab.disabled {
  color: var(--text-disabled);
  cursor: not-allowed;
}

/* ─── Tab Content ─────────────────────────────────────── */
.tab-content {
  display: none;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}
.tab-content.active { display: flex; flex-direction: column; }

/* ─── Activity Feed ───────────────────────────────────── */
#activity-feed { flex: 1; }

.activity-entry {
  padding: 8px 12px;
  border-left: 3px solid var(--border);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
  animation: slideIn 0.15s ease;
}
.activity-entry:hover { background: var(--bg-hover); }

@media (prefers-reduced-motion: reduce) {
  .activity-entry { animation: none; }
}

@keyframes slideIn {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Left border colors by type */
.activity-entry.nav { border-left-color: var(--blue); }
.activity-entry.interaction { border-left-color: var(--green); }
.activity-entry.observe { border-left-color: var(--purple); }
.activity-entry.error { border-left-color: var(--red); }
.activity-entry.pending {
  border-left-color: var(--amber);
  animation: slideIn 0.15s ease, borderPulse 1.5s ease-in-out infinite;
}
@keyframes borderPulse {
  0%, 100% { border-left-color: rgba(251, 191, 36, 0.4); }
  50% { border-left-color: rgba(251, 191, 36, 1); }
}

.entry-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.entry-time {
  color: var(--text-meta);
  font-family: var(--font-mono);
  font-size: 11px;
  flex-shrink: 0;
}
.entry-command {
  color: var(--text-heading);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}
.entry-args {
  color: var(--text-label);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}
.entry-status {
  font-size: 11px;
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.entry-status .ok { color: var(--green); }
.entry-status .err { color: var(--red); }
.entry-status .duration { color: var(--text-meta); }

/* Expanded state */
.entry-detail {
  display: none;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}
.activity-entry.expanded .entry-detail { display: block; }
.activity-entry.expanded .entry-args { white-space: normal; }
.entry-result {
  color: #aaa;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ─── Refs Tab ────────────────────────────────────────── */
.ref-row {
  height: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.ref-id {
  color: var(--green);
  font-family: var(--font-mono);
  font-weight: 600;
  min-width: 32px;
}
.ref-role {
  color: var(--text-label);
  min-width: 60px;
}
.ref-name {
  color: var(--text-body);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.refs-footer {
  padding: 8px 12px;
  color: var(--text-meta);
  font-size: 11px;
  border-top: 1px solid var(--border);
}

/* ─── Session Placeholder ─────────────────────────────── */
.session-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--text-label);
  padding: 24px;
  gap: 8px;
}
.session-placeholder .muted { color: var(--text-meta); font-size: 12px; }

/* ─── Empty State ─────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  text-align: center;
  color: var(--text-label);
  gap: 4px;
}
.empty-state .muted { color: var(--text-meta); font-size: 12px; }
.empty-state code {
  background: var(--bg-surface);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ─── Gap Banner ──────────────────────────────────────── */
.gap-banner {
  background: rgba(251, 191, 36, 0.1);
  border-bottom: 1px solid var(--amber);
  color: var(--amber);
  font-size: 11px;
  padding: 6px 12px;
  animation: bannerSlide 0.2s ease;
}
@keyframes bannerSlide {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

/* ─── Footer ──────────────────────────────────────────── */
footer {
  height: 32px;
  background: var(--bg-header);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: 11px;
  color: var(--text-meta);
  flex-shrink: 0;
}
#footer-url {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60%;
}

/* ─── Accessibility ───────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 1px;
}