/* gstack browse — Side Panel
 * Design system: DESIGN.md (Industrial/Utilitarian, amber accent, zinc neutrals)
 */

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

:root {
  /* Brand — amber accent, rare and meaningful */
  --amber-400: #FBBF24;
  --amber-500: #F59E0B;
  --amber-600: #D97706;

  /* Neutrals — cool zinc */
  --zinc-50: #FAFAFA;
  --zinc-400: #A1A1AA;
  --zinc-600: #52525B;
  --zinc-800: #27272A;

  /* Surfaces */
  --bg-base: #0C0C0C;
  --bg-surface: #141414;
  --bg-hover: #1a1a1a;
  --border: #262626;
  --border-subtle: #1f1f1f;

  /* Text hierarchy */
  --text-heading: #FAFAFA;
  --text-body: #e0e0e0;
  --text-label: #A1A1AA;
  --text-meta: #52525B;
  --text-disabled: #3f3f46;

  /* Semantic */
  --success: #22C55E;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  /* Typography */
  --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Cascadia Code', 'Noto Sans Mono CJK KR', 'Malgun Gothic', monospace;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
}

/* ─── Security Shield ───────────────────────────────────────────── */
/* 3 states — green=protected, amber=degraded, red=inactive.
   Custom SVG outline + "SEC" label in JetBrains Mono to match the
   industrial/CLI aesthetic (design review Pass 7 decision). */

.security-shield {
  position: absolute;
  top: 6px;
  right: 8px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border-radius: var(--radius-sm, 4px);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.02);
  transition: color 200ms ease-out, background 200ms ease-out;
  cursor: default;
}
.security-shield[data-status="protected"] {
  color: var(--success, #22C55E);
}
.security-shield[data-status="degraded"] {
  color: var(--amber-400, #FBBF24);
}
.security-shield[data-status="inactive"] {
  color: var(--error, #EF4444);
}

/* ─── Connection Banner ─────────────────────────────────────────── */

.conn-banner {
  padding: 6px 10px;
  font-size: 10px;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.conn-banner.reconnecting {
  background: rgba(245, 158, 11, 0.1);
  border-bottom: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--amber-400);
}

.conn-banner.dead {
  background: rgba(239, 68, 68, 0.1);
  border-bottom: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--error);
}

.conn-banner.reconnected {
  background: rgba(34, 197, 94, 0.1);
  border-bottom: 1px solid rgba(34, 197, 94, 0.2);
  color: var(--success);
  animation: fadeOut 3s ease forwards;
  animation-delay: 2s;
}

@keyframes fadeOut {
  to { opacity: 0; height: 0; padding: 0; overflow: hidden; }
}

.conn-banner-text {
  flex: 1;
}

/* ─── Security Banner ─────────────────────────────────────────────
   Variant A approved in /plan-design-review 2026-04-19. Centered
   alert-heavy. Fires on security_event — canary leaks + ML BLOCK
   verdicts. Trust UX: layer names + confidence scores in mono so
   the user can see exactly WHY the session was terminated.
*/

.security-banner {
  position: relative;
  /* Sit above the absolutely-positioned security-shield (z-index: 10) so
     the banner's close button and controls receive clicks. Without this
     the shield at top-right overlaps the banner's close X region and
     intercepts pointer events. */
  z-index: 20;
  padding: 20px 16px;
  text-align: center;
  background: rgba(20, 20, 20, 0.98);
  border-bottom: 1px solid rgba(239, 68, 68, 0.3);
  animation: securityBannerEnter 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.security-banner-close {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 28px;
  height: 28px;
  background: transparent;
  border: none;
  color: var(--zinc-500, #71717A);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius-md, 8px);
  padding: 0;
}
.security-banner-close:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--zinc-300, #D4D4D8);
}
.security-banner-close:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 2px;
}

.security-banner-icon {
  color: var(--error);
  display: flex;
  justify-content: center;
  margin-bottom: 8px;
}

.security-banner-title {
  font-family: var(--font-display, 'Satoshi', sans-serif);
  font-weight: 700;
  font-size: 18px;
  color: var(--error);
  margin-bottom: 2px;
}

.security-banner-subtitle {
  font-family: var(--font-body, 'DM Sans', sans-serif);
  font-size: 13px;
  color: var(--zinc-400, #A1A1AA);
  margin-bottom: 12px;
}

.security-banner-expand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md, 8px);
  padding: 6px 12px;
  color: var(--zinc-300, #D4D4D8);
  font-family: var(--font-body, 'DM Sans', sans-serif);
  font-size: 12px;
  cursor: pointer;
}
.security-banner-expand:hover {
  background: rgba(255, 255, 255, 0.04);
}
.security-banner-expand:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 2px;
}
.security-banner-chevron {
  transition: transform 200ms ease-out;
}

.security-banner-details {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: left;
}

.security-banner-section-label {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--zinc-500, #71717A);
  margin-bottom: 6px;
}

.security-banner-layers {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.security-banner-layer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm, 4px);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 12px;
}

.security-banner-layer-name {
  color: var(--zinc-300, #D4D4D8);
}

.security-banner-layer-score {
  color: var(--amber-400);
  font-variant-numeric: tabular-nums;
}

.security-banner-suspect {
  margin: 4px 0 0;
  padding: 8px 10px;
  background: var(--zinc-900, #18181B);
  border: 1px solid var(--zinc-700, #3F3F46);
  border-radius: var(--radius-sm, 4px);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  color: var(--zinc-300, #D4D4D8);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 160px;
  overflow-y: auto;
}

.security-banner-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 14px;
}

.security-banner-btn {
  flex: 1;
  padding: 8px 14px;
  border-radius: var(--radius-md, 6px);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.security-banner-btn-block {
  background: var(--red-600, #DC2626);
  color: white;
  border-color: var(--red-700, #B91C1C);
}

.security-banner-btn-block:hover {
  background: var(--red-700, #B91C1C);
}

.security-banner-btn-allow {
  background: transparent;
  color: var(--zinc-200, #E4E4E7);
  border-color: var(--zinc-600, #52525B);
}

.security-banner-btn-allow:hover {
  background: var(--zinc-800, #27272A);
  border-color: var(--zinc-500, #71717A);
}

.security-banner-btn:focus-visible {
  outline: 2px solid var(--amber-400);
  outline-offset: 2px;
}

.conn-btn {
  font-size: 9px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-label);
  transition: all 150ms;
}

.conn-btn:hover {
  background: var(--bg-hover);
  color: var(--text-heading);
}

.conn-copy {
  color: var(--text-meta);
  font-style: italic;
}

body {
  background: var(--bg-base);
  color: var(--text-body);
  font-family: var(--font-system);
  font-size: 12px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Grain texture overlay */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ─── Status Dot ──────────────────────────────────────── */
.dot {
  width: 8px; height: 8px;
  border-radius: var(--radius-full);
  background: var(--text-disabled);
  flex-shrink: 0;
  transition: background 150ms;
}
.dot.connected { background: var(--success); }
.dot.reconnecting {
  background: var(--amber-500);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ─── Chat Messages ───────────────────────────────────── */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.chat-loading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
  text-align: left;
  color: var(--text-meta);
  gap: 12px;
  font-size: 13px;
  padding: 24px;
}
.chat-loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--amber-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.chat-welcome {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
  text-align: left;
  color: var(--text-label);
  gap: 8px;
  padding: 24px;
}
.chat-welcome-icon {
  width: 40px;
  height: 40px;
  background: var(--amber-500);
  color: #000;
  font-weight: 800;
  font-size: 22px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.chat-welcome .muted { color: var(--text-meta); font-size: 12px; }

.chat-bubble {
  max-width: 90%;
  padding: 6px 10px;
  border-radius: var(--radius-lg);
  font-size: 11px;
  line-height: 1.4;
  word-break: break-word;
  animation: slideIn 150ms ease-out;
}
.chat-bubble.user {
  align-self: flex-end;
  background: var(--amber-500);
  color: #000;
  border-bottom-right-radius: var(--radius-sm);
}
.chat-notification {
  text-align: left;
  font-size: 11px;
  color: var(--text-meta);
  padding: 4px 12px;
  font-family: var(--font-mono);
}
.chat-bubble.assistant {
  align-self: flex-start;
  background: var(--bg-surface);
  color: var(--text-body);
  border: 1px solid var(--border);
  border-bottom-left-radius: var(--radius-sm);
}
.chat-bubble.assistant pre {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  margin: 6px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: pre-wrap;
}
.chat-bubble .chat-time, .agent-response > .chat-time {
  font-size: 9px;
  opacity: 0.4;
  margin-top: 2px;
  display: block;
}

/* ─── Agent Streaming Response ─────────────────────────── */
.agent-response {
  align-self: flex-start;
  max-width: 95%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-sm);
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  animation: slideIn 150ms ease-out;
}
.agent-tool {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 4px 8px;
  background: rgba(245, 158, 11, 0.06);
  border-left: 2px solid var(--amber-500);
  border-radius: 0 4px 4px 0;
  font-size: 12px;
  font-family: var(--font-system);
  margin: 2px 0;
}
.tool-icon {
  flex-shrink: 0;
  font-size: 11px;
  line-height: 1.5;
}
.tool-description {
  color: var(--text-body);
  line-height: 1.5;
  word-break: break-word;
}
/* Collapsed reasoning disclosure */
.agent-reasoning {
  margin: 4px 0;
}
.agent-reasoning summary {
  cursor: pointer;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-meta);
  padding: 3px 0;
  user-select: none;
  list-style: none;
}
.agent-reasoning summary::before {
  content: '▶ ';
  font-size: 9px;
}
.agent-reasoning[open] summary::before {
  content: '▼ ';
}
.agent-reasoning summary:hover {
  color: var(--text-label);
}
.agent-reasoning .agent-tool {
  margin-left: 4px;
}
/* Legacy classes kept for compat */
.tool-name {
  color: var(--amber-500);
  font-weight: 600;
  flex-shrink: 0;
}
.tool-input {
  color: var(--text-disabled);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.agent-text {
  color: var(--text-body);
  font-size: 12.5px;
  line-height: 1.5;
  word-break: break-word;
  padding: 2px 0;
}
.agent-text pre {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  padding: 4px 6px;
  margin: 4px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: pre-wrap;
}
.agent-error {
  color: var(--error);
  font-size: 12px;
  font-family: var(--font-mono);
}

/* Thinking dots animation */
.agent-thinking {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}
.thinking-dot {
  width: 4px;
  height: 4px;
  background: var(--text-disabled);
  border-radius: 50%;
  animation: thinkingPulse 1.4s ease-in-out infinite;
}
.thinking-dot:nth-child(2) { animation-delay: 0.2s; }
.thinking-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes thinkingPulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* ─── Footer Buttons ──────────────────────────────────── */
.footer-left {
  display: flex;
  gap: 4px;
}
.footer-btn, .debug-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-meta);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  cursor: pointer;
  transition: all 150ms;
}
.footer-btn:hover, .debug-toggle:hover {
  color: var(--text-label);
  border-color: var(--zinc-600);
}
.debug-toggle.active {
  color: var(--amber-400);
  border-color: var(--amber-500);
}
.debug-tabs {
  border-top: 1px solid var(--border);
}
.close-debug {
  width: 36px;
  flex: none !important;
  font-size: 16px;
  color: var(--text-meta) !important;
}
.close-debug:hover { color: var(--text-label) !important; }

/* ─── Tab Bar ─────────────────────────────────────────── */
.tabs {
  height: 36px;
  background: var(--bg-surface);
  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 150ms;
}
.tab:hover:not(.disabled) { color: var(--zinc-50); }
.tab.active {
  color: var(--text-heading);
  border-bottom-color: var(--amber-500);
}
.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; }

/* ─── Terminal Tab ────────────────────────────────────────────── */
/* The Terminal pane manages its own scrolling (xterm has a viewport with
   scrollback). The default .tab-content rules above set overflow-y: auto,
   which collapses min-height for nested flex children — that's why
   .terminal-mount couldn't grow to fill available space. Override here. */
#tab-terminal {
  background: #0a0a0a;
  padding: 0;
  overflow: hidden;
  min-height: 0;
}
#tab-terminal.active {
  display: flex;
  flex-direction: column;
}
.terminal-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 4px 8px;
  border-bottom: 1px solid #1a1a1a;
  background: #0a0a0a;
  flex-shrink: 0;
}
.terminal-toolbar-actions {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.terminal-toolbar-btn {
  background: transparent;
  border: 1px solid #27272a;
  color: #a1a1aa;
  padding: 3px 10px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  border-radius: 3px;
  cursor: pointer;
}
.terminal-toolbar-btn:hover {
  color: #f59e0b;
  border-color: #f59e0b;
}
.terminal-bootstrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #71717a;
  padding: 24px;
}
.terminal-bootstrap-icon {
  font-size: 32px;
  color: #f59e0b;
  margin-bottom: 8px;
}
.terminal-bootstrap p { margin: 4px 0; }
.terminal-install-card {
  margin: 24px;
  padding: 16px;
  border: 1px solid #27272a;
  border-radius: 6px;
  text-align: center;
}
.terminal-install-card a { color: #f59e0b; }
.install-retry-btn {
  margin-top: 12px;
  padding: 6px 14px;
  background: #f59e0b;
  color: #0a0a0a;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
}
.install-retry-btn:hover { opacity: 0.9; }
.terminal-mount {
  /* min-height: 0 is the standard flex-overflow fix — without it, a flex
     item with overflowing content can't shrink below its content size,
     so flex:1 refuses to expand into available space and xterm renders
     into whatever the content happens to be (i.e. its own initial 2x2
     measurement). With min-height:0 the item respects the flex parent's
     remaining space and xterm grows to fill it. */
  flex: 1 1 0;
  min-height: 0;
  width: 100%;
  background: #0a0a0a;
  padding: 8px;
  box-sizing: border-box;
  /* position: relative so xterm's absolutely-positioned helpers (the
     hidden textarea for input) anchor inside us, not on body. */
  position: relative;
}
.terminal-mount .xterm,
.terminal-mount .xterm .xterm-viewport,
.terminal-mount .xterm .xterm-screen {
  height: 100% !important;
}
.terminal-ended {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #71717a;
  padding: 24px;
}

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

.activity-entry {
  padding: 8px 12px;
  border-left: 3px solid var(--border);
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: background 150ms;
  animation: slideIn 150ms ease-out;
}
.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(--info); }
.activity-entry.interaction { border-left-color: var(--success); }
.activity-entry.observe { border-left-color: var(--amber-400); }
.activity-entry.error { border-left-color: var(--error); }
.activity-entry.pending {
  border-left-color: var(--amber-500);
  animation: slideIn 150ms ease-out, borderPulse 2s ease-in-out infinite;
}
@keyframes borderPulse {
  0%, 100% { border-left-color: rgba(245, 158, 11, 0.3); }
  50% { border-left-color: rgba(245, 158, 11, 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(--success); }
.entry-status .err { color: var(--error); }
.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: var(--zinc-400);
  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-subtle);
  font-size: 12px;
}
.ref-id {
  color: var(--amber-400);
  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: flex-start;
  justify-content: center;
  height: 100%;
  text-align: left;
  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: flex-start;
  justify-content: center;
  padding: 40px 24px;
  text-align: left;
  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: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ─── Gap Banner ──────────────────────────────────────── */
.gap-banner {
  background: rgba(245, 158, 11, 0.08);
  border-bottom: 1px solid var(--amber-500);
  color: var(--amber-400);
  font-size: 11px;
  padding: 6px 12px;
  animation: bannerSlide 250ms ease-out;
}
@keyframes bannerSlide {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

/* ─── Command Bar ─────────────────────────────────────── */
/* ─── Quick Actions Toolbar ─────────────────────────────── */

.quick-actions {
  display: flex;
  gap: 6px;
  padding: 4px 8px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.quick-action-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 26px;
  padding: 0 10px;
  background: none;
  border: 1px solid var(--zinc-600);
  border-radius: var(--radius-sm);
  color: var(--text-label);
  font-family: var(--font-system);
  font-size: 11px;
  cursor: pointer;
  transition: all 150ms;
}

.quick-action-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-body);
  border-color: var(--zinc-400);
}

.quick-action-btn:active {
  transform: scale(0.96);
}

.quick-action-btn.disabled, .inspector-action-btn.disabled {
  pointer-events: none;
  opacity: 0.3;
  cursor: not-allowed;
}

.quick-action-btn.loading {
  pointer-events: none;
  opacity: 0.5;
}

.quick-action-btn.loading::after {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid var(--zinc-600);
  border-top-color: var(--amber-400);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.command-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.command-prompt {
  color: var(--amber-500);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  user-select: none;
}
.command-input {
  flex: 1;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px 8px;
  color: var(--text-heading);
  font-family: var(--font-system);
  font-size: 11px;
  outline: none;
  transition: border-color 150ms;
}
.command-input:focus { border-color: var(--amber-500); }
.command-input::placeholder { color: var(--text-disabled); font-size: 10px; }
.command-input.sent {
  border-color: var(--success);
  transition: border-color 150ms;
}
.command-input.error {
  border-color: var(--error);
  animation: shake 300ms ease;
}
.command-input.error::placeholder {
  color: var(--error);
  opacity: 0.8;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}
.send-btn {
  width: 26px;
  height: 26px;
  background: var(--amber-500);
  border: none;
  border-radius: var(--radius-sm);
  color: #000;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 150ms;
  display: flex;
  align-items: center;
  justify-content: center;
}
.send-btn:hover { background: var(--amber-400); }
.send-btn:active { transform: scale(0.93); }
.send-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.stop-btn {
  width: 26px;
  height: 26px;
  background: var(--error);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
  line-height: 26px;
  text-align: center;
}
.stop-btn:hover { background: #dc2626; }
.stop-btn:active { transform: scale(0.93); }

/* ─── Footer ──────────────────────────────────────────── */
footer {
  height: 28px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  font-size: 10px;
  color: var(--text-meta);
  flex-shrink: 0;
}
#footer-url {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 50%;
}
.footer-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-port {
  color: var(--text-meta);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: color 150ms;
}
.footer-port:hover { color: var(--text-label); }
.port-input {
  width: 56px;
  padding: 2px 6px;
  background: var(--bg-base);
  border: 1px solid var(--zinc-600);
  border-radius: var(--radius-sm);
  color: var(--text-heading);
  font-family: var(--font-mono);
  font-size: 11px;
  outline: none;
  transition: border-color 150ms;
}
.port-input:focus { border-color: var(--amber-500); }

/* ─── Experimental Banner ─────────────────────────────── */
.experimental-banner {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: var(--zinc-400);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 11px;
  margin: 6px 12px;
  text-align: left;
  flex-shrink: 0;
}

/* ─── Browser Tab Bar ─────────────────────────────────── */
.browser-tabs {
  display: flex;
  gap: 1px;
  padding: 4px 8px;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: none;
}
.browser-tabs::-webkit-scrollbar { display: none; }
.browser-tab {
  padding: 4px 10px;
  font-size: 11px;
  font-family: var(--font-system);
  color: var(--text-meta);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
  transition: background 100ms, color 100ms;
}
.browser-tab:hover {
  background: var(--bg-hover);
  color: var(--text-label);
}
.browser-tab.active {
  background: var(--bg-surface);
  color: var(--text-body);
  border-color: var(--border);
}

/* ─── Inspector Tab ──────────────────────────────────── */

.inspector-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.inspector-pick-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  padding: 0 10px;
  background: none;
  border: 1px solid var(--amber-500);
  border-radius: var(--radius-sm);
  color: var(--amber-500);
  font-family: var(--font-system);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 150ms;
  flex-shrink: 0;
}

.inspector-pick-btn:hover {
  background: rgba(245, 158, 11, 0.1);
  color: var(--amber-400);
}

.inspector-pick-btn.active {
  background: var(--amber-500);
  color: #000;
}

.inspector-pick-icon {
  font-size: 14px;
  line-height: 1;
}

/* ─── Action Buttons (Cleanup, Screenshot) ─────────────────── */

.inspector-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  width: 28px;
  padding: 0;
  background: none;
  border: 1px solid var(--zinc-600);
  border-radius: var(--radius-sm);
  color: var(--text-label);
  font-size: 14px;
  cursor: pointer;
  transition: all 150ms;
  flex-shrink: 0;
}

.inspector-action-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-body);
  border-color: var(--zinc-400);
}

.inspector-action-btn:active {
  transform: scale(0.95);
}

.inspector-action-btn.loading {
  pointer-events: none;
  opacity: 0.5;
  position: relative;
}

.inspector-action-btn.loading::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--zinc-600);
  border-top-color: var(--amber-400);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.inspector-selected {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-body);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.inspector-mode-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.inspector-mode-badge.basic {
  background: var(--zinc-800);
  color: var(--zinc-400);
}

.inspector-mode-badge.cdp {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

/* Inspector content area */
.inspector-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Empty state */
.inspector-empty {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 24px;
  text-align: left;
  gap: 6px;
}

.inspector-empty-icon {
  font-size: 24px;
  color: var(--zinc-600);
  margin-bottom: 4px;
}

.inspector-empty p {
  color: var(--zinc-400);
  font-size: 13px;
  margin: 0;
}

.inspector-empty .muted {
  color: var(--zinc-600);
  font-size: 12px;
}

/* Loading state */
.inspector-loading {
  padding: 16px 12px;
}

.inspector-loading-text {
  font-size: 12px;
  color: var(--amber-500);
  margin-bottom: 12px;
  animation: pulse 2s ease-in-out infinite;
}

.inspector-skeleton {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.inspector-skeleton-bar {
  height: 12px;
  background: var(--zinc-800);
  border-radius: var(--radius-sm);
  animation: shimmer 1.5s ease-in-out infinite;
}

.inspector-skeleton-bar:nth-child(1) { width: 80%; }
.inspector-skeleton-bar:nth-child(2) { width: 60%; }
.inspector-skeleton-bar:nth-child(3) { width: 70%; }

@keyframes shimmer {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.7; }
}

/* Error state */
.inspector-error {
  padding: 16px 12px;
  color: var(--error);
  font-size: 12px;
  font-family: var(--font-mono);
}

/* Inspector sections */
.inspector-section {
  border-bottom: 1px solid var(--border-subtle);
}

.inspector-section-header {
  font-family: var(--font-system);
  font-size: 13px;
  font-weight: 600;
  color: var(--zinc-400);
  padding: 8px 12px 4px;
}

.inspector-section-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: none;
  font-family: var(--font-system);
  font-size: 13px;
  font-weight: 600;
  color: var(--zinc-400);
  cursor: pointer;
  text-align: left;
  transition: color 150ms;
}

.inspector-section-toggle:hover {
  color: var(--text-body);
}

.inspector-toggle-arrow {
  font-size: 10px;
  color: var(--zinc-400);
  flex-shrink: 0;
  width: 12px;
}

.inspector-section-body {
  padding: 4px 12px 8px;
}

.inspector-section-body.collapsed {
  display: none;
}

.inspector-rule-count {
  font-size: 11px;
  font-weight: 400;
  color: var(--zinc-600);
  margin-left: 4px;
}

.inspector-no-data {
  color: var(--zinc-600);
  font-size: 11px;
  font-style: italic;
  padding: 4px 0;
}

/* ─── Box Model ──────────────────────────────────────── */

.inspector-boxmodel {
  padding: 8px 12px 12px;
}

.boxmodel-margin,
.boxmodel-border,
.boxmodel-padding,
.boxmodel-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed;
  text-align: center;
}

.boxmodel-margin {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.3);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
}

.boxmodel-border {
  background: rgba(161, 161, 170, 0.08);
  border-color: rgba(161, 161, 170, 0.3);
  padding: 14px 20px;
  width: 100%;
}

.boxmodel-padding {
  background: rgba(34, 197, 94, 0.08);
  border-color: rgba(34, 197, 94, 0.3);
  padding: 14px 20px;
  width: 100%;
}

.boxmodel-content {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.3);
  padding: 8px 12px;
  width: 100%;
  min-height: 28px;
}

.boxmodel-content span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-body);
}

.boxmodel-label {
  position: absolute;
  top: 1px;
  left: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--zinc-400);
  pointer-events: none;
}

.boxmodel-value {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-body);
}

.boxmodel-value.boxmodel-top { top: 1px; left: 50%; transform: translateX(-50%); }
.boxmodel-value.boxmodel-right { right: 4px; top: 50%; transform: translateY(-50%); }
.boxmodel-value.boxmodel-bottom { bottom: 1px; left: 50%; transform: translateX(-50%); }
.boxmodel-value.boxmodel-left { left: 4px; top: 50%; transform: translateY(-50%); }

/* ─── Matched Rules ──────────────────────────────────── */

.inspector-rule {
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.inspector-rule:last-child {
  border-bottom: none;
}

.inspector-rule-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 2px;
}

.inspector-selector {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber-400);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 35ch;
}

.inspector-specificity {
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--zinc-600);
  color: var(--zinc-400);
  padding: 0 4px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.inspector-rule-props {
  padding-left: 12px;
}

.inspector-prop {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}

.inspector-prop.overridden {
  text-decoration: line-through;
  opacity: 0.5;
}

.inspector-prop-name {
  color: var(--zinc-400);
}

.inspector-prop-value {
  color: var(--text-body);
}

.inspector-important {
  color: var(--error);
  font-size: 10px;
}

.inspector-rule-source {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--zinc-600);
  margin-top: 2px;
}

/* UA rules */
.inspector-ua-rules {
  margin-top: 4px;
}

.inspector-ua-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--zinc-600);
  cursor: pointer;
  padding: 4px 0;
  transition: color 150ms;
}

.inspector-ua-toggle:hover {
  color: var(--zinc-400);
}

.inspector-ua-body.collapsed {
  display: none;
}

/* ─── Computed Styles ────────────────────────────────── */

.inspector-computed-row {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  padding: 0 0 0 4px;
}

.inspector-computed-row .inspector-prop-name {
  color: var(--zinc-400);
}

.inspector-computed-row .inspector-prop-value {
  color: var(--text-body);
}

/* ─── Quick Edit ─────────────────────────────────────── */

.inspector-quickedit-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.inspector-quickedit-row {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  display: flex;
  align-items: center;
  gap: 4px;
}

.inspector-quickedit-row .inspector-prop-name {
  color: var(--zinc-400);
  flex-shrink: 0;
}

.inspector-quickedit-value {
  color: var(--text-body);
  cursor: pointer;
  padding: 1px 4px;
  border-radius: 2px;
  transition: background 150ms;
  min-width: 40px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.inspector-quickedit-value:hover {
  background: var(--bg-hover);
}

.inspector-quickedit-input {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-base);
  border: 1px solid var(--amber-500);
  border-radius: 2px;
  color: var(--text-heading);
  padding: 1px 4px;
  outline: none;
  width: 100%;
}

/* ─── Send to Agent ──────────────────────────────────── */

.inspector-send {
  padding: 8px 12px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  position: sticky;
  bottom: 0;
}

.inspector-send-btn {
  width: 100%;
  height: 32px;
  background: var(--amber-500);
  border: none;
  border-radius: var(--radius-md);
  color: #000;
  font-family: var(--font-system);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 150ms;
}

.inspector-send-btn:hover {
  background: var(--amber-400);
}

.inspector-send-btn:active {
  transform: scale(0.98);
}

/* ─── Accessibility ───────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 1px;
}
