/* ============================================================
   SaintSalLabs Builder IDE v2 — builder-ide-v2.css
   Production CSS — 4-panel code editor inside a web app
   Design: pure black (#080808) bg / gold (#F59E0B) accent /
           neon green (#00FF88) success / monospace for code /
           Inter + Space Grotesk for UI labels
   ============================================================ */

/* ─── @import ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ─── CSS Custom Properties ───────────────────────────────── */
:root {
  /* Surface */
  --bv2-void:           #050505;
  --bv2-bg:             #080808;
  --bv2-surface:        #0e0e0e;
  --bv2-surface-low:    #131313;
  --bv2-surface-high:   #1a1919;

  /* Borders */
  --bv2-border:         rgba(255, 255, 255, 0.06);
  --bv2-border-active:  rgba(245, 158, 11, 0.3);

  /* Accent — gold */
  --bv2-gold:           #F59E0B;
  --bv2-gold-dim:       #d97706;
  --bv2-gold-glow:      rgba(245, 158, 11, 0.15);
  --bv2-gold-subtle:    rgba(245, 158, 11, 0.08);

  /* Success — neon green */
  --bv2-neon:           #00FF88;
  --bv2-neon-dim:       #00ed7e;
  --bv2-neon-glow:      rgba(0, 255, 136, 0.15);

  /* Accent — cyan */
  --bv2-cyan:           #00dcff;
  --bv2-cyan-dim:       rgba(0, 220, 255, 0.7);

  /* Semantic */
  --bv2-error:          #ff716c;
  --bv2-error-dim:      rgba(255, 113, 108, 0.15);
  --bv2-warning:        #fbbf24;

  /* Text */
  --bv2-text:           #E5E5E5;
  --bv2-text-dim:       #888888;
  --bv2-text-muted:     #444444;

  /* Typography stacks */
  --bv2-mono:    'SF Mono', 'Cascadia Code', 'Fira Code', ui-monospace, monospace;
  --bv2-ui:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --bv2-display: 'Space Grotesk', sans-serif;

  /* Layout */
  --bv2-topbar-h:   48px;
  --bv2-terminal-h: 36px;
  --bv2-mobile-nav-h: 54px;
  --bv2-app-nav-h:  56px; /* parent app nav */

  /* Transitions */
  --bv2-t-fast:   0.12s ease;
  --bv2-t-med:    0.2s ease;
  --bv2-t-slow:   0.35s ease;

  /* Scrollbar */
  --bv2-scroll-w: 4px;
  --bv2-scroll-thumb: rgba(245, 158, 11, 0.2);

  /* Agent colors */
  --bv2-agent-planner:   #a78bfa;
  --bv2-agent-builder:   #00FF88;
  --bv2-agent-designer:  #00dcff;
  --bv2-agent-tester:    #fbbf24;
  --bv2-agent-deployer:  #F59E0B;

  /* Z-index layers */
  --bv2-z-base:     1;
  --bv2-z-panel:    10;
  --bv2-z-topbar:   100;
  --bv2-z-terminal: 110;
  --bv2-z-drawer:   150;
  --bv2-z-mobile-nav: 200;
  --bv2-z-overlay:  300;
}

/* ─── Keyframes ───────────────────────────────────────────── */

/* Agent card active border pulse */
@keyframes agentPulse {
  0%   { border-color: rgba(245, 158, 11, 0.4); }
  50%  { border-color: rgba(245, 158, 11, 1);   }
  100% { border-color: rgba(245, 158, 11, 0.4); }
}

/* Agent card complete gold flash */
@keyframes agentFlash {
  0%   { box-shadow: none; }
  30%  { box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.8), 0 0 12px rgba(245, 158, 11, 0.5); }
  100% { box-shadow: none; }
}

/* Neon pulse for active neon indicators */
@keyframes neonPulse {
  0%   { box-shadow: 0 0 4px rgba(0, 255, 136, 0.4); }
  50%  { box-shadow: 0 0 10px rgba(0, 255, 136, 0.8), 0 0 20px rgba(0, 255, 136, 0.3); }
  100% { box-shadow: 0 0 4px rgba(0, 255, 136, 0.4); }
}

/* Mobile panel slide-in from right */
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);   opacity: 1; }
}

/* Mobile panel slide-in from left */
@keyframes slideInLeft {
  from { transform: translateX(-100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* Slide-in from bottom (drawer) */
@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

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

/* Blink cursor */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Progress bar shimmer */
@keyframes shimmer {
  0%   { background-position: -100% 0; }
  100% { background-position: 200% 0; }
}

/* Fade-in */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Base Reset ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ─── Scrollbar Styling (global for IDE panels) ───────────── */
.bv2-shell *::-webkit-scrollbar {
  width: var(--bv2-scroll-w);
  height: var(--bv2-scroll-w);
}
.bv2-shell *::-webkit-scrollbar-track {
  background: transparent;
}
.bv2-shell *::-webkit-scrollbar-thumb {
  background: var(--bv2-scroll-thumb);
  border-radius: 2px;
}
.bv2-shell *::-webkit-scrollbar-thumb:hover {
  background: rgba(245, 158, 11, 0.4);
}
.bv2-shell *::-webkit-scrollbar-corner {
  background: transparent;
}
/* Firefox */
.bv2-shell * {
  scrollbar-width: thin;
  scrollbar-color: var(--bv2-scroll-thumb) transparent;
}

/* ─── Typography Utilities ────────────────────────────────── */
.bv2-label {
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bv2-text-dim);
}

.bv2-mono-text {
  font-family: var(--bv2-mono);
  font-size: 10px;
  color: var(--bv2-text-dim);
}

/* ─── 1. .bv2-shell — Outer Container ────────────────────── */
.bv2-shell {
  display: grid;
  grid-template-columns: 35% 35% 30%;
  grid-template-rows: var(--bv2-topbar-h) 1fr var(--bv2-terminal-h);
  grid-template-areas:
    "topbar  topbar  topbar"
    "left    center  right"
    "terminal terminal terminal";
  width: 100%;
  height: calc(100vh - var(--bv2-app-nav-h));
  background: var(--bv2-bg);
  font-family: var(--bv2-ui);
  color: var(--bv2-text);
  overflow: hidden;
  position: relative;
}

/* ─── 2. .bv2-topbar — Top Bar ───────────────────────────── */
.bv2-topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px 0 8px;
  background: var(--bv2-void);
  border-bottom: 1px solid var(--bv2-border);
  position: relative;
  z-index: var(--bv2-z-topbar);
  gap: 8px;
  user-select: none;
}

/* Logo section */
.bv2-topbar__logo {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.bv2-logo-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bv2-gold);
  font-size: 14px;
  flex-shrink: 0;
}

.bv2-logo-wordmark {
  font-family: var(--bv2-display);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--bv2-gold);
  white-space: nowrap;
  line-height: 1;
}

.bv2-logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 5px;
  background: var(--bv2-gold-subtle);
  border: 1px solid var(--bv2-border-active);
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--bv2-gold);
  line-height: 14px;
}

/* Center controls group */
.bv2-topbar__controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

/* Right actions */
.bv2-topbar__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* ─── 3. .bv2-model-picker — Model Dropdown ──────────────── */
.bv2-model-picker {
  position: relative;
  display: flex;
  align-items: center;
}

.bv2-model-picker__trigger,
.bv2-framework-picker__trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border-active);
  cursor: pointer;
  font-family: var(--bv2-ui);
  font-size: 11px;
  font-weight: 500;
  color: var(--bv2-text);
  white-space: nowrap;
  transition: background var(--bv2-t-fast), border-color var(--bv2-t-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  min-width: 130px;
  height: 30px;
}

.bv2-model-picker__trigger:hover,
.bv2-framework-picker__trigger:hover {
  background: var(--bv2-surface-high);
  border-color: var(--bv2-gold);
}

.bv2-model-picker__trigger:focus,
.bv2-framework-picker__trigger:focus {
  border-color: var(--bv2-gold);
  box-shadow: 0 0 0 2px var(--bv2-gold-glow);
}

/* Model color dot */
.bv2-model-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}

.bv2-model-dot--grok     { background: #00dcff; }
.bv2-model-dot--claude   { background: #c084fc; }
.bv2-model-dot--sonnet   { background: #a78bfa; }
.bv2-model-dot--gpt      { background: #34d399; }
.bv2-model-dot--gemini   { background: #60a5fa; }

/* Chevron arrow */
.bv2-picker-chevron {
  margin-left: auto;
  width: 10px;
  height: 10px;
  color: var(--bv2-text-dim);
  flex-shrink: 0;
  pointer-events: none;
}

/* Dropdown menu */
.bv2-picker-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 200px;
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border-active);
  z-index: var(--bv2-z-overlay);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity var(--bv2-t-fast), transform var(--bv2-t-fast);
}

.bv2-picker-dropdown.is-open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.bv2-picker-dropdown__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-family: var(--bv2-ui);
  font-size: 11px;
  font-weight: 500;
  color: var(--bv2-text);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background var(--bv2-t-fast), border-color var(--bv2-t-fast);
  position: relative;
}

.bv2-picker-dropdown__item:hover:not(.is-locked) {
  background: var(--bv2-surface-high);
  border-left-color: var(--bv2-gold);
}

.bv2-picker-dropdown__item.is-selected {
  background: var(--bv2-gold-subtle);
  border-left-color: var(--bv2-gold);
  color: var(--bv2-gold);
}

.bv2-picker-dropdown__item.is-locked {
  color: var(--bv2-text-muted);
  cursor: not-allowed;
}

.bv2-picker-dropdown__item-name {
  flex: 1;
}

.bv2-picker-dropdown__item-sub {
  font-size: 9px;
  color: var(--bv2-text-muted);
  font-family: var(--bv2-display);
  letter-spacing: 0.5px;
}

.bv2-lock-icon {
  width: 10px;
  height: 10px;
  color: var(--bv2-text-muted);
  flex-shrink: 0;
}

.bv2-picker-dropdown__divider {
  height: 1px;
  background: var(--bv2-border);
  margin: 2px 0;
}

/* ─── 4. .bv2-framework-picker — Framework Dropdown ──────── */
.bv2-framework-picker {
  position: relative;
  display: flex;
  align-items: center;
}

/* Framework icons (colored badges) */
.bv2-fw-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.bv2-fw-dot--react   { background: #61dafb; }
.bv2-fw-dot--next    { background: #ffffff; }
.bv2-fw-dot--vue     { background: #42b883; }
.bv2-fw-dot--html    { background: #e34f26; }
.bv2-fw-dot--flask   { background: #888; }
.bv2-fw-dot--express { background: var(--bv2-neon); }

/* ─── 5. .bv2-left — Left Panel ──────────────────────────── */
.bv2-left {
  grid-area: left;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--bv2-border);
  background: var(--bv2-bg);
  position: relative;
}

/* ─── 6. .bv2-agent-strip — Agent Status Strip ───────────── */
.bv2-agent-strip {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: var(--bv2-surface);
  border-bottom: 1px solid var(--bv2-border);
  flex-shrink: 0;
}

.bv2-agent-strip__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2px 4px;
}

.bv2-agent-strip__title {
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bv2-text-muted);
}

.bv2-agent-strip__badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--bv2-mono);
  font-size: 8px;
  color: var(--bv2-neon);
}

/* ─── 7. .bv2-agent-card — Individual Agent Card ─────────── */
.bv2-agent-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bv2-surface-low);
  border-left: 3px solid transparent;
  height: 40px;
  position: relative;
  transition:
    background var(--bv2-t-fast),
    border-color var(--bv2-t-fast),
    opacity var(--bv2-t-fast);
  overflow: hidden;
  cursor: default;
}

/* Agent card hover */
.bv2-agent-card:hover {
  background: var(--bv2-surface-high);
}

/* Status variants via data-status attribute */
.bv2-agent-card[data-status="standby"] {
  opacity: 0.45;
  border-left-color: transparent;
}

.bv2-agent-card[data-status="active"] {
  opacity: 1;
  background: var(--bv2-surface-high);
  animation: agentPulse 2s ease-in-out infinite;
}

.bv2-agent-card[data-status="complete"] {
  opacity: 1;
  border-left-color: var(--bv2-gold) !important;
  animation: agentFlash 0.5s ease forwards;
}

.bv2-agent-card[data-status="error"] {
  opacity: 1;
  border-left-color: var(--bv2-error) !important;
  background: var(--bv2-error-dim);
}

/* Agent-specific border colors for active state */
.bv2-agent-card[data-agent="planner"][data-status="active"]  { border-left-color: var(--bv2-agent-planner);  }
.bv2-agent-card[data-agent="builder"][data-status="active"]  { border-left-color: var(--bv2-agent-builder);  }
.bv2-agent-card[data-agent="designer"][data-status="active"] { border-left-color: var(--bv2-agent-designer); }
.bv2-agent-card[data-agent="tester"][data-status="active"]   { border-left-color: var(--bv2-agent-tester);   }
.bv2-agent-card[data-agent="deployer"][data-status="active"] { border-left-color: var(--bv2-agent-deployer); }

/* Agent icon dot */
.bv2-agent-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: box-shadow var(--bv2-t-fast);
}

.bv2-agent-dot--planner  { background: var(--bv2-agent-planner);  }
.bv2-agent-dot--builder  { background: var(--bv2-agent-builder);  }
.bv2-agent-dot--designer { background: var(--bv2-agent-designer); }
.bv2-agent-dot--tester   { background: var(--bv2-agent-tester);   }
.bv2-agent-dot--deployer { background: var(--bv2-agent-deployer); }

.bv2-agent-card[data-status="active"] .bv2-agent-dot {
  animation: neonPulse 2s ease-in-out infinite;
}

/* Agent text block */
.bv2-agent-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.bv2-agent-name {
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--bv2-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

.bv2-agent-status-text {
  font-family: var(--bv2-mono);
  font-size: 9px;
  color: var(--bv2-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

.bv2-agent-card[data-status="active"] .bv2-agent-status-text {
  color: var(--bv2-neon-dim);
}

.bv2-agent-card[data-status="complete"] .bv2-agent-status-text {
  color: var(--bv2-gold-dim);
}

.bv2-agent-card[data-status="error"] .bv2-agent-status-text {
  color: var(--bv2-error);
}

/* Progress micro-bar (right side, 40px wide) */
.bv2-agent-progress {
  flex-shrink: 0;
  width: 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.bv2-agent-progress__pct {
  font-family: var(--bv2-mono);
  font-size: 8px;
  color: var(--bv2-text-muted);
  line-height: 1;
}

.bv2-agent-card[data-status="active"] .bv2-agent-progress__pct  { color: var(--bv2-neon); }
.bv2-agent-card[data-status="complete"] .bv2-agent-progress__pct { color: var(--bv2-gold); }

.bv2-agent-progress__bar {
  width: 40px;
  height: 2px;
  background: var(--bv2-border);
  overflow: hidden;
  position: relative;
}

.bv2-agent-progress__fill {
  height: 100%;
  width: 0%;
  background: var(--bv2-text-muted);
  transition: width 0.4s ease;
  position: absolute;
  left: 0;
  top: 0;
}

.bv2-agent-card[data-status="active"]   .bv2-agent-progress__fill { background: var(--bv2-neon); }
.bv2-agent-card[data-status="complete"] .bv2-agent-progress__fill { background: var(--bv2-gold); width: 100% !important; }
.bv2-agent-card[data-status="error"]    .bv2-agent-progress__fill { background: var(--bv2-error); }

/* Shimmer on active progress */
.bv2-agent-card[data-status="active"] .bv2-agent-progress__fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ─── 8. .bv2-chat — Chat Area ───────────────────────────── */
.bv2-chat {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 12px 10px;
  gap: 10px;
  min-height: 0;
}

/* Chat message bubbles */
.bv2-message {
  display: flex;
  flex-direction: column;
  gap: 4px;
  animation: fadeIn 0.2s ease forwards;
}

.bv2-message--user {
  align-items: flex-end;
}

.bv2-message--agent {
  align-items: flex-start;
}

.bv2-message__bubble {
  max-width: 88%;
  padding: 8px 12px;
  font-family: var(--bv2-ui);
  font-size: 12px;
  line-height: 1.6;
  color: var(--bv2-text);
  word-break: break-word;
}

.bv2-message--user .bv2-message__bubble {
  background: var(--bv2-gold-subtle);
  border: 1px solid var(--bv2-border-active);
  border-bottom-right-radius: 0;
}

.bv2-message--agent .bv2-message__bubble {
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border);
  border-bottom-left-radius: 0;
}

.bv2-message__meta {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 2px;
}

.bv2-message__sender {
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--bv2-text-muted);
}

.bv2-message__time {
  font-family: var(--bv2-mono);
  font-size: 9px;
  color: var(--bv2-text-muted);
}

/* Agent attribution dot */
.bv2-message__agent-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Code block within chat */
.bv2-message__code {
  display: block;
  background: #000000;
  border: 1px solid var(--bv2-border);
  border-left: 2px solid var(--bv2-gold-dim);
  padding: 8px 10px;
  margin-top: 6px;
  font-family: var(--bv2-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--bv2-neon-dim);
  overflow-x: auto;
  white-space: pre;
}

/* Typing indicator */
.bv2-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 10px;
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border);
  width: fit-content;
}

.bv2-typing__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--bv2-text-muted);
  animation: blink 1.2s ease infinite;
}

.bv2-typing__dot:nth-child(2) { animation-delay: 0.2s; }
.bv2-typing__dot:nth-child(3) { animation-delay: 0.4s; }

/* ─── 9. .bv2-chat-input — Chat Input Bar ────────────────── */
.bv2-chat-input {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 10px;
  background: var(--bv2-surface);
  border-top: 1px solid var(--bv2-border);
}

.bv2-chat-input__row {
  display: flex;
  align-items: flex-end;
  gap: 6px;
}

.bv2-chat-input__textarea {
  flex: 1;
  min-height: 36px;
  max-height: 120px;
  padding: 8px 10px;
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border);
  color: var(--bv2-text);
  font-family: var(--bv2-ui);
  font-size: 12px;
  line-height: 1.5;
  resize: none;
  outline: none;
  transition: border-color var(--bv2-t-fast);
  overflow-y: auto;
}

.bv2-chat-input__textarea::placeholder {
  color: var(--bv2-text-muted);
}

.bv2-chat-input__textarea:focus {
  border-color: var(--bv2-border-active);
}

.bv2-chat-input__actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

/* Send button */
.bv2-btn-send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--bv2-gold);
  border: none;
  cursor: pointer;
  color: #000;
  transition: background var(--bv2-t-fast), transform var(--bv2-t-fast);
  flex-shrink: 0;
}

.bv2-btn-send:hover {
  background: var(--bv2-gold-dim);
}

.bv2-btn-send:active {
  transform: scale(0.96);
}

.bv2-btn-send:disabled {
  background: var(--bv2-surface-high);
  color: var(--bv2-text-muted);
  cursor: not-allowed;
}

/* Build button */
.bv2-btn-build {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 10px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--bv2-border-active);
  color: var(--bv2-gold);
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background var(--bv2-t-fast),
    border-color var(--bv2-t-fast),
    color var(--bv2-t-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.bv2-btn-build:hover {
  background: var(--bv2-gold-subtle);
  border-color: var(--bv2-gold);
}

.bv2-btn-build:active {
  background: var(--bv2-gold-glow);
}

/* Input footer chips */
.bv2-chat-input__footer {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.bv2-input-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border);
  font-family: var(--bv2-mono);
  font-size: 9px;
  color: var(--bv2-text-dim);
  cursor: pointer;
  transition: border-color var(--bv2-t-fast), color var(--bv2-t-fast);
}

.bv2-input-chip:hover {
  border-color: var(--bv2-border-active);
  color: var(--bv2-gold);
}

/* ─── 10. .bv2-center — Center Panel ─────────────────────── */
.bv2-center {
  grid-area: center;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-left: 1px solid var(--bv2-border);
  border-right: 1px solid var(--bv2-border);
  background: var(--bv2-bg);
  position: relative;
}

/* ─── 11. .bv2-file-tree — File Tree ─────────────────────── */
.bv2-file-tree {
  height: 35%;
  min-height: 80px;
  max-height: 60%;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--bv2-border);
  background: var(--bv2-surface);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.bv2-file-tree__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-bottom: 1px solid var(--bv2-border);
  flex-shrink: 0;
  background: var(--bv2-surface-low);
  cursor: pointer;
  user-select: none;
  transition: background var(--bv2-t-fast);
}

.bv2-file-tree__header:hover {
  background: var(--bv2-surface-high);
}

.bv2-file-tree__title {
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bv2-text-dim);
}

.bv2-file-tree__actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.bv2-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--bv2-text-muted);
  transition: color var(--bv2-t-fast);
  padding: 0;
}

.bv2-icon-btn:hover {
  color: var(--bv2-gold);
}

.bv2-file-tree__body {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

/* Folder/file items */
.bv2-tree-folder {
  padding: 0;
}

.bv2-tree-folder__label {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-family: var(--bv2-ui);
  font-size: 11px;
  font-weight: 500;
  color: var(--bv2-text-dim);
  cursor: pointer;
  user-select: none;
  transition: background var(--bv2-t-fast);
}

.bv2-tree-folder__label:hover {
  background: var(--bv2-surface-high);
}

.bv2-tree-folder__icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  color: var(--bv2-gold-dim);
  transition: transform var(--bv2-t-fast);
}

.bv2-tree-folder.is-open > .bv2-tree-folder__label .bv2-tree-folder__icon {
  transform: rotate(90deg);
}

.bv2-tree-folder__children {
  display: none;
  padding-left: 16px;
}

.bv2-tree-folder.is-open > .bv2-tree-folder__children {
  display: block;
}

.bv2-tree-file {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  font-family: var(--bv2-ui);
  font-size: 11px;
  color: var(--bv2-text-dim);
  cursor: pointer;
  user-select: none;
  transition: background var(--bv2-t-fast), color var(--bv2-t-fast);
  border-left: 2px solid transparent;
}

.bv2-tree-file:hover {
  background: var(--bv2-surface-high);
  color: var(--bv2-text);
}

.bv2-tree-file.is-active {
  background: var(--bv2-gold-subtle);
  color: var(--bv2-gold);
  border-left-color: var(--bv2-gold);
}

.bv2-tree-file__ext-icon {
  width: 10px;
  height: 10px;
  border-radius: 1px;
  flex-shrink: 0;
  font-size: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--bv2-mono);
  font-weight: 700;
  color: #000;
}

/* File type extension color coding */
.bv2-tree-file[data-ext="js"]   .bv2-tree-file__ext-icon,
.bv2-tree-file[data-ext="jsx"]  .bv2-tree-file__ext-icon { background: #f0db4f; }
.bv2-tree-file[data-ext="ts"]   .bv2-tree-file__ext-icon,
.bv2-tree-file[data-ext="tsx"]  .bv2-tree-file__ext-icon { background: #3178c6; color: #fff; }
.bv2-tree-file[data-ext="css"]  .bv2-tree-file__ext-icon { background: #264de4; color: #fff; }
.bv2-tree-file[data-ext="html"] .bv2-tree-file__ext-icon { background: #e34f26; color: #fff; }
.bv2-tree-file[data-ext="json"] .bv2-tree-file__ext-icon { background: var(--bv2-neon); }
.bv2-tree-file[data-ext="md"]   .bv2-tree-file__ext-icon { background: var(--bv2-text-muted); color: #fff; }
.bv2-tree-file[data-ext="py"]   .bv2-tree-file__ext-icon { background: #3572a5; color: #fff; }

/* Collapse handle for resize */
.bv2-file-tree__resize-handle {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  cursor: ns-resize;
  background: transparent;
  transition: background var(--bv2-t-fast);
}

.bv2-file-tree__resize-handle:hover {
  background: var(--bv2-border-active);
}

/* ─── 12. .bv2-editor — Code Editor Area ─────────────────── */
.bv2-editor {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #000000;
  overflow: hidden;
  min-height: 0;
}

/* ─── 13. .bv2-editor-tabs — Tab Bar ─────────────────────── */
.bv2-editor-tabs {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  background: var(--bv2-surface-low);
  border-bottom: 1px solid var(--bv2-border);
  flex-shrink: 0;
  height: 32px;
  /* Hide scrollbar visually */
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.bv2-editor-tabs::-webkit-scrollbar {
  display: none;
}

.bv2-editor-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0 14px;
  height: 32px;
  font-family: var(--bv2-ui);
  font-size: 11px;
  color: var(--bv2-text-muted);
  cursor: pointer;
  white-space: nowrap;
  border-right: 1px solid var(--bv2-border);
  position: relative;
  transition: background var(--bv2-t-fast), color var(--bv2-t-fast);
  flex-shrink: 0;
  user-select: none;
}

.bv2-editor-tab::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 100%;
  height: 2px;
  background: var(--bv2-gold);
  transition: right var(--bv2-t-med);
}

.bv2-editor-tab:hover {
  background: var(--bv2-surface-high);
  color: var(--bv2-text);
}

.bv2-editor-tab.is-active {
  background: #000000;
  color: var(--bv2-text);
}

.bv2-editor-tab.is-active::after {
  right: 0;
}

.bv2-editor-tab__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--bv2-text-muted);
}

/* Unsaved indicator */
.bv2-editor-tab.is-modified .bv2-editor-tab__dot {
  background: var(--bv2-gold);
}

.bv2-editor-tab__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  margin-left: 2px;
  border-radius: 2px;
  font-size: 10px;
  color: var(--bv2-text-muted);
  transition: background var(--bv2-t-fast), color var(--bv2-t-fast);
  flex-shrink: 0;
  line-height: 1;
}

.bv2-editor-tab__close:hover {
  background: rgba(255, 113, 108, 0.2);
  color: var(--bv2-error);
}

/* Code content */
.bv2-editor__content {
  flex: 1;
  display: flex;
  overflow: auto;
  min-height: 0;
  position: relative;
}

/* Line numbers gutter */
.bv2-editor__gutter {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 12px 8px 12px 12px;
  background: #000000;
  border-right: 1px solid var(--bv2-border);
  flex-shrink: 0;
  user-select: none;
}

.bv2-editor__line-num {
  font-family: var(--bv2-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--bv2-text-muted);
  text-align: right;
  min-width: 28px;
}

.bv2-editor__line-num.is-active {
  color: var(--bv2-gold-dim);
}

/* Code body */
.bv2-editor__code {
  flex: 1;
  padding: 12px 16px;
  overflow: visible;
  min-width: 0;
}

.bv2-editor__code pre {
  font-family: var(--bv2-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--bv2-text);
  white-space: pre;
  margin: 0;
  tab-size: 2;
}

/* Syntax tokens (basic, JS will apply real highlighting) */
.bv2-tok-keyword  { color: #c678dd; }
.bv2-tok-string   { color: #98c379; }
.bv2-tok-comment  { color: #5c6370; font-style: italic; }
.bv2-tok-number   { color: #d19a66; }
.bv2-tok-fn       { color: #61afef; }
.bv2-tok-prop     { color: var(--bv2-cyan); }
.bv2-tok-tag      { color: #e06c75; }
.bv2-tok-attr     { color: #d19a66; }
.bv2-tok-op       { color: #56b6c2; }
.bv2-tok-punct    { color: var(--bv2-text-dim); }
.bv2-tok-var      { color: #e5c07b; }

/* Editor status bar */
.bv2-editor__statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 20px;
  background: var(--bv2-surface-low);
  border-top: 1px solid var(--bv2-border);
  flex-shrink: 0;
}

.bv2-editor__statusbar-item {
  font-family: var(--bv2-mono);
  font-size: 9px;
  color: var(--bv2-text-muted);
}

.bv2-editor__statusbar-item--active {
  color: var(--bv2-neon);
}

.bv2-editor__statusbar-divider {
  width: 1px;
  height: 10px;
  background: var(--bv2-border);
}

/* Empty state */
.bv2-editor__empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--bv2-text-muted);
  font-family: var(--bv2-display);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.bv2-editor__empty-icon {
  font-size: 24px;
  opacity: 0.3;
}

/* ─── 14. .bv2-right — Right Panel ───────────────────────── */
.bv2-right {
  grid-area: right;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bv2-bg);
}

/* ─── 15. .bv2-preview — Live Preview ────────────────────── */
.bv2-preview {
  display: flex;
  flex-direction: column;
  height: 60%;
  min-height: 100px;
  border-bottom: 1px solid var(--bv2-border);
  flex-shrink: 0;
  overflow: hidden;
}

.bv2-preview__toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bv2-surface-low);
  border-bottom: 1px solid var(--bv2-border);
  flex-shrink: 0;
}

/* Device toggle group */
.bv2-device-toggle {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--bv2-border);
  overflow: hidden;
}

.bv2-device-toggle__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px 8px;
  background: none;
  border: none;
  border-right: 1px solid var(--bv2-border);
  cursor: pointer;
  font-family: var(--bv2-display);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--bv2-text-muted);
  transition: background var(--bv2-t-fast), color var(--bv2-t-fast);
  white-space: nowrap;
}

.bv2-device-toggle__btn:last-child {
  border-right: none;
}

.bv2-device-toggle__btn:hover {
  background: var(--bv2-surface-high);
  color: var(--bv2-text);
}

.bv2-device-toggle__btn.is-active {
  background: var(--bv2-gold-subtle);
  color: var(--bv2-gold);
}

/* URL bar */
.bv2-preview__url {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  background: var(--bv2-surface);
  border: 1px solid var(--bv2-border);
  min-width: 0;
}

.bv2-preview__url-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bv2-neon);
  flex-shrink: 0;
  animation: neonPulse 3s ease-in-out infinite;
}

.bv2-preview__url-text {
  font-family: var(--bv2-mono);
  font-size: 10px;
  color: var(--bv2-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.bv2-preview__actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

/* Preview iframe container */
.bv2-preview__frame-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111;
  overflow: hidden;
  position: relative;
}

.bv2-preview__iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #fff;
  transition:
    width var(--bv2-t-slow),
    height var(--bv2-t-slow),
    transform var(--bv2-t-slow);
}

/* Desktop mode (default): full */
.bv2-preview[data-device="desktop"] .bv2-preview__iframe {
  width: 100%;
  height: 100%;
}

/* Tablet mode: 768px centered */
.bv2-preview[data-device="tablet"] .bv2-preview__frame-wrap {
  background: #0a0a0a;
}

.bv2-preview[data-device="tablet"] .bv2-preview__iframe {
  width: 768px;
  height: 100%;
  max-width: 100%;
  box-shadow: 0 0 0 2px var(--bv2-border), 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Mobile mode: phone frame */
.bv2-preview[data-device="mobile"] .bv2-preview__frame-wrap {
  background: #0a0a0a;
}

.bv2-preview[data-device="mobile"] .bv2-preview__iframe {
  width: 390px;
  height: 844px;
  max-width: calc(100% - 16px);
  max-height: 100%;
  box-shadow:
    0 0 0 10px #1a1a1a,
    0 0 0 12px #2a2a2a,
    0 16px 48px rgba(0, 0, 0, 0.7);
  border-radius: 44px;
}

/* Loading overlay for iframe */
.bv2-preview__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 5, 5, 0.85);
  z-index: 10;
  flex-direction: column;
  gap: 10px;
}

.bv2-preview__spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--bv2-border);
  border-top-color: var(--bv2-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.bv2-preview__loading-text {
  font-family: var(--bv2-mono);
  font-size: 10px;
  color: var(--bv2-text-muted);
}

/* ─── 16. .bv2-design-panel — Design Panel ───────────────── */
.bv2-design-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.bv2-design-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--bv2-surface-low);
  border-bottom: 1px solid var(--bv2-border);
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
  transition: background var(--bv2-t-fast);
}

.bv2-design-panel__header:hover {
  background: var(--bv2-surface-high);
}

.bv2-design-panel__title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bv2-design-panel__name {
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bv2-text-dim);
}

.bv2-design-panel__sub {
  font-family: var(--bv2-mono);
  font-size: 9px;
  color: var(--bv2-cyan-dim);
}

.bv2-design-panel__toggle {
  font-size: 10px;
  color: var(--bv2-text-muted);
  transition: transform var(--bv2-t-fast);
}

.bv2-design-panel.is-collapsed .bv2-design-panel__toggle {
  transform: rotate(-90deg);
}

.bv2-design-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bv2-design-panel.is-collapsed .bv2-design-panel__body {
  display: none;
}

/* Design section */
.bv2-design-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bv2-design-section__label {
  font-family: var(--bv2-display);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bv2-text-muted);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--bv2-border);
}

/* Color palette swatches */
.bv2-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.bv2-swatch {
  width: 24px;
  height: 24px;
  position: relative;
  cursor: pointer;
  transition: transform var(--bv2-t-fast), box-shadow var(--bv2-t-fast);
}

.bv2-swatch:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.bv2-swatch__tooltip {
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bv2-surface-high);
  border: 1px solid var(--bv2-border);
  padding: 2px 6px;
  font-family: var(--bv2-mono);
  font-size: 8px;
  color: var(--bv2-text);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  z-index: 10;
  transition: opacity var(--bv2-t-fast);
}

.bv2-swatch:hover .bv2-swatch__tooltip {
  opacity: 1;
}

/* Typography preview */
.bv2-type-preview {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border);
}

.bv2-type-preview__row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.bv2-type-preview__label {
  font-family: var(--bv2-mono);
  font-size: 8px;
  color: var(--bv2-text-muted);
  width: 40px;
  flex-shrink: 0;
}

.bv2-type-preview__sample {
  color: var(--bv2-text);
  line-height: 1.2;
}

/* Component preview strips */
.bv2-component-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.bv2-component-chip {
  padding: 4px 8px;
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border);
  font-family: var(--bv2-ui);
  font-size: 10px;
  color: var(--bv2-text-dim);
  cursor: default;
}

/* ─── 17. .bv2-terminal — Bottom Terminal Bar ────────────── */
.bv2-terminal {
  grid-area: terminal;
  display: flex;
  align-items: center;
  background: var(--bv2-void);
  border-top: 1px solid var(--bv2-border);
  position: relative;
  z-index: var(--bv2-z-terminal);
  overflow: hidden;
  height: var(--bv2-terminal-h);
  transition: height var(--bv2-t-med);
  cursor: pointer;
  user-select: none;
}

.bv2-terminal.is-expanded {
  height: 200px;
  cursor: default;
  align-items: flex-start;
}

.bv2-terminal__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  height: 36px;
  width: 100%;
  flex-shrink: 0;
}

.bv2-terminal__prefix {
  font-family: var(--bv2-mono);
  font-size: 10px;
  color: var(--bv2-neon);
  flex-shrink: 0;
}

/* Log stream (scrolling text) */
.bv2-terminal__log {
  flex: 1;
  font-family: var(--bv2-mono);
  font-size: 10px;
  color: var(--bv2-text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Meta chips on right */
.bv2-terminal__chips {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  margin-left: 8px;
}

.bv2-terminal-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border);
  font-family: var(--bv2-mono);
  font-size: 9px;
  color: var(--bv2-text-dim);
  white-space: nowrap;
}

.bv2-terminal-chip--deploy {
  border-color: rgba(0, 255, 136, 0.25);
  color: var(--bv2-neon);
}

.bv2-terminal-chip--deploy.is-building {
  border-color: rgba(245, 158, 11, 0.25);
  color: var(--bv2-gold);
}

.bv2-terminal-chip--deploy.is-error {
  border-color: rgba(255, 113, 108, 0.25);
  color: var(--bv2-error);
}

.bv2-terminal-chip__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.bv2-terminal-chip--deploy .bv2-terminal-chip__dot { background: var(--bv2-neon); }
.bv2-terminal-chip--deploy.is-building .bv2-terminal-chip__dot { background: var(--bv2-gold); }
.bv2-terminal-chip--deploy.is-error .bv2-terminal-chip__dot { background: var(--bv2-error); }

/* Expanded terminal content */
.bv2-terminal__content {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow-y: auto;
  padding: 0 12px 8px;
  min-height: 0;
}

.bv2-terminal.is-expanded {
  flex-direction: column;
}

.bv2-terminal.is-expanded .bv2-terminal__content {
  display: flex;
}

.bv2-terminal__line {
  font-family: var(--bv2-mono);
  font-size: 10px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}

.bv2-terminal__line--normal  { color: var(--bv2-text-dim); }
.bv2-terminal__line--success { color: var(--bv2-neon-dim); }
.bv2-terminal__line--warn    { color: var(--bv2-warning); }
.bv2-terminal__line--error   { color: var(--bv2-error); }
.bv2-terminal__line--cmd     { color: var(--bv2-gold); }
.bv2-terminal__line--info    { color: var(--bv2-cyan); }

/* Blinking cursor */
.bv2-terminal__cursor {
  display: inline-block;
  width: 7px;
  height: 11px;
  background: var(--bv2-neon);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

/* ─── 18. .bv2-deploy-bar — Deploy Buttons ───────────────── */
.bv2-deploy-bar {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Primary deploy button (Render) */
.bv2-btn-deploy-primary {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 12px;
  height: 30px;
  background: var(--bv2-gold);
  border: none;
  cursor: pointer;
  font-family: var(--bv2-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #000;
  white-space: nowrap;
  transition: background var(--bv2-t-fast), transform var(--bv2-t-fast);
}

.bv2-btn-deploy-primary:hover {
  background: var(--bv2-gold-dim);
}

.bv2-btn-deploy-primary:active {
  transform: scale(0.97);
}

/* Secondary deploy buttons (ghost style) */
.bv2-btn-deploy-ghost {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 10px;
  height: 30px;
  background: transparent;
  border: 1px solid var(--bv2-border);
  cursor: pointer;
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--bv2-text-dim);
  white-space: nowrap;
  transition:
    background var(--bv2-t-fast),
    border-color var(--bv2-t-fast),
    color var(--bv2-t-fast);
}

.bv2-btn-deploy-ghost:hover {
  background: var(--bv2-surface-high);
  border-color: var(--bv2-border-active);
  color: var(--bv2-gold);
}

.bv2-btn-deploy-ghost:active {
  background: var(--bv2-gold-subtle);
}

/* Deploy status indicator inside button */
.bv2-deploy-spinner {
  width: 10px;
  height: 10px;
  border: 1.5px solid rgba(0, 0, 0, 0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

/* ─── Misc UI Components ──────────────────────────────────── */

/* Generic section header */
.bv2-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--bv2-surface-low);
  border-bottom: 1px solid var(--bv2-border);
  flex-shrink: 0;
}

.bv2-section-header__title {
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bv2-text-dim);
}

/* Divider */
.bv2-divider {
  height: 1px;
  background: var(--bv2-border);
  flex-shrink: 0;
}

.bv2-divider--vertical {
  width: 1px;
  height: 100%;
  background: var(--bv2-border);
  flex-shrink: 0;
}

/* Badge */
.bv2-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-family: var(--bv2-display);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 14px;
}

.bv2-badge--gold  { background: var(--bv2-gold-subtle); border: 1px solid var(--bv2-border-active); color: var(--bv2-gold); }
.bv2-badge--neon  { background: rgba(0, 255, 136, 0.08); border: 1px solid rgba(0, 255, 136, 0.25); color: var(--bv2-neon); }
.bv2-badge--cyan  { background: rgba(0, 220, 255, 0.08); border: 1px solid rgba(0, 220, 255, 0.25); color: var(--bv2-cyan); }
.bv2-badge--error { background: var(--bv2-error-dim); border: 1px solid rgba(255, 113, 108, 0.25); color: var(--bv2-error); }
.bv2-badge--muted { background: var(--bv2-surface-low); border: 1px solid var(--bv2-border); color: var(--bv2-text-muted); }

/* Tooltip */
.bv2-tooltip {
  position: relative;
  display: inline-flex;
}

.bv2-tooltip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 8px;
  background: var(--bv2-surface-high);
  border: 1px solid var(--bv2-border);
  font-family: var(--bv2-ui);
  font-size: 10px;
  color: var(--bv2-text);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  z-index: var(--bv2-z-overlay);
  transition: opacity var(--bv2-t-fast);
}

.bv2-tooltip:hover::after {
  opacity: 1;
}

/* Status dot indicator */
.bv2-status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.bv2-status-dot--online  { background: var(--bv2-neon); }
.bv2-status-dot--idle    { background: var(--bv2-text-muted); }
.bv2-status-dot--busy    { background: var(--bv2-gold); }
.bv2-status-dot--error   { background: var(--bv2-error); }

/* Generic ghost button */
.bv2-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0 10px;
  height: 28px;
  background: transparent;
  border: 1px solid var(--bv2-border);
  cursor: pointer;
  font-family: var(--bv2-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--bv2-text-dim);
  transition:
    background var(--bv2-t-fast),
    border-color var(--bv2-t-fast),
    color var(--bv2-t-fast);
  outline: none;
}

.bv2-btn:hover {
  background: var(--bv2-surface-high);
  border-color: var(--bv2-border-active);
  color: var(--bv2-gold);
}

.bv2-btn--sm { height: 24px; padding: 0 8px; font-size: 8px; }
.bv2-btn--lg { height: 34px; padding: 0 14px; font-size: 10px; }

.bv2-btn--primary {
  background: var(--bv2-gold);
  border-color: var(--bv2-gold);
  color: #000;
}

.bv2-btn--primary:hover {
  background: var(--bv2-gold-dim);
  border-color: var(--bv2-gold-dim);
  color: #000;
}

.bv2-btn--neon {
  border-color: rgba(0, 255, 136, 0.3);
  color: var(--bv2-neon);
}

.bv2-btn--neon:hover {
  background: rgba(0, 255, 136, 0.08);
  border-color: var(--bv2-neon);
}

.bv2-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ─── Overlay / Modal ─────────────────────────────────────── */
.bv2-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 5, 0.75);
  z-index: var(--bv2-z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

.bv2-modal {
  background: var(--bv2-surface);
  border: 1px solid var(--bv2-border-active);
  width: 480px;
  max-width: calc(100vw - 32px);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8);
  animation: fadeIn 0.15s ease forwards;
}

.bv2-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--bv2-border);
  flex-shrink: 0;
}

.bv2-modal__title {
  font-family: var(--bv2-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--bv2-text);
}

.bv2-modal__body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.bv2-modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--bv2-border);
  flex-shrink: 0;
}

/* ─── Mobile: File Tree Drawer ────────────────────────────── */
.bv2-file-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--bv2-surface);
  border-right: 1px solid var(--bv2-border-active);
  z-index: var(--bv2-z-drawer);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--bv2-t-slow);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
}

.bv2-file-drawer.is-open {
  transform: translateX(0);
  animation: slideInLeft 0.25s ease forwards;
}

.bv2-file-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--bv2-border);
  flex-shrink: 0;
}

.bv2-file-drawer__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: 1px solid var(--bv2-border);
  cursor: pointer;
  color: var(--bv2-text-dim);
  font-size: 14px;
  transition: color var(--bv2-t-fast), border-color var(--bv2-t-fast);
}

.bv2-file-drawer__close:hover {
  color: var(--bv2-error);
  border-color: rgba(255, 113, 108, 0.3);
}

.bv2-file-drawer__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: calc(var(--bv2-z-drawer) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--bv2-t-med);
}

.bv2-file-drawer__backdrop.is-visible {
  opacity: 1;
  pointer-events: all;
}

/* ─── PWA Mobile Responsive ───────────────────────────────── */

/* 19. .bv2-mobile-nav — Bottom Nav (hidden on desktop) */
.bv2-mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bv2-mobile-nav-h);
  background: var(--bv2-void);
  border-top: 1px solid var(--bv2-border);
  z-index: var(--bv2-z-mobile-nav);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  align-items: stretch;
  justify-content: stretch;
}

.bv2-mobile-nav__tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  border-top: 2px solid transparent;
  transition:
    background var(--bv2-t-fast),
    border-color var(--bv2-t-fast);
  -webkit-tap-highlight-color: transparent;
}

.bv2-mobile-nav__tab:hover {
  background: var(--bv2-surface-low);
}

.bv2-mobile-nav__tab.is-active {
  border-top-color: var(--bv2-gold);
  background: var(--bv2-gold-subtle);
}

.bv2-mobile-nav__icon {
  font-size: 16px;
  line-height: 1;
  color: var(--bv2-text-muted);
  transition: color var(--bv2-t-fast);
}

.bv2-mobile-nav__tab.is-active .bv2-mobile-nav__icon {
  color: var(--bv2-gold);
}

.bv2-mobile-nav__label {
  font-family: var(--bv2-display);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--bv2-text-muted);
  transition: color var(--bv2-t-fast);
}

.bv2-mobile-nav__tab.is-active .bv2-mobile-nav__label {
  color: var(--bv2-gold);
}

/* Mobile agent cards (horizontal scroll strip) */
.bv2-agent-strip--mobile {
  flex-direction: row;
  overflow-x: auto;
  padding: 6px 8px;
  gap: 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.bv2-agent-strip--mobile::-webkit-scrollbar {
  display: none;
}

.bv2-agent-strip--mobile .bv2-agent-card {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  padding: 6px;
  gap: 4px;
  border-left: none;
  border-top: 2px solid transparent;
}

.bv2-agent-strip--mobile .bv2-agent-card[data-status="active"] {
  border-top-color: var(--bv2-gold);
  border-left: none;
}

.bv2-agent-strip--mobile .bv2-agent-card[data-status="complete"] {
  border-top-color: var(--bv2-gold) !important;
  border-left: none;
}

.bv2-agent-strip--mobile .bv2-agent-card[data-status="error"] {
  border-top-color: var(--bv2-error) !important;
  border-left: none;
}

.bv2-agent-strip--mobile .bv2-agent-info {
  align-items: center;
}

.bv2-agent-strip--mobile .bv2-agent-status-text {
  display: none;
}

.bv2-agent-strip--mobile .bv2-agent-progress {
  display: none;
}

/* ─── @media (max-width: 768px) ───────────────────────────── */
@media (max-width: 768px) {

  /* Mobile nav visible */
  .bv2-mobile-nav {
    display: flex;
  }

  /* Shell becomes single-column stack */
  .bv2-shell {
    grid-template-columns: 1fr;
    grid-template-rows: var(--bv2-topbar-h) 1fr var(--bv2-terminal-h) var(--bv2-mobile-nav-h);
    grid-template-areas:
      "topbar"
      "content"
      "terminal"
      "mobile-nav";
    height: calc(100vh - var(--bv2-app-nav-h));
    overflow: hidden;
  }

  /* All three main panels collapse — only the active one shown */
  .bv2-left,
  .bv2-center,
  .bv2-right {
    grid-area: content;
    grid-column: 1;
    grid-row: 2;
    display: none;
    width: 100%;
    height: 100%;
    border: none;
  }

  /* Show only the active panel (controlled by JS adding .is-mobile-active) */
  .bv2-left.is-mobile-active,
  .bv2-center.is-mobile-active,
  .bv2-right.is-mobile-active {
    display: flex;
    animation: slideInRight 0.2s ease forwards;
  }

  /* Panel being dismissed: slide out left */
  .bv2-left.is-mobile-leaving,
  .bv2-center.is-mobile-leaving,
  .bv2-right.is-mobile-leaving {
    display: flex;
    animation: slideInLeft 0.2s ease reverse forwards;
  }

  /* Topbar simplification */
  .bv2-topbar {
    padding: 0 10px;
  }

  .bv2-topbar__controls {
    display: none; /* Model/framework moved out of sight on mobile */
  }

  .bv2-topbar__actions .bv2-btn-deploy-ghost {
    display: none; /* Show only primary deploy on mobile */
  }

  /* Agent strip goes horizontal on mobile */
  .bv2-agent-strip {
    flex-direction: row;
    overflow-x: auto;
    padding: 6px 8px;
    gap: 6px;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .bv2-agent-strip::-webkit-scrollbar {
    display: none;
  }

  .bv2-agent-card {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    padding: 6px;
    gap: 3px;
    border-left: none;
    border-top: 2px solid transparent;
  }

  .bv2-agent-card[data-status="active"]  { border-top-color: var(--bv2-gold); border-left: none; }
  .bv2-agent-card[data-status="complete"] { border-top-color: var(--bv2-gold) !important; border-left: none; }
  .bv2-agent-card[data-status="error"]    { border-top-color: var(--bv2-error) !important; border-left: none; }

  .bv2-agent-info {
    align-items: center;
  }

  .bv2-agent-status-text,
  .bv2-agent-progress {
    display: none;
  }

  /* Terminal — stays 36px, tap expands to overlay */
  .bv2-terminal {
    grid-area: terminal;
    cursor: pointer;
  }

  .bv2-terminal.is-expanded {
    position: fixed;
    left: 0;
    right: 0;
    bottom: var(--bv2-mobile-nav-h);
    height: 50vh;
    z-index: calc(var(--bv2-z-mobile-nav) - 1);
    animation: slideUp 0.2s ease forwards;
  }

  /* File tree becomes a drawer on mobile (always) */
  .bv2-center .bv2-file-tree {
    display: none;
  }

  /* Editor takes full center panel on mobile */
  .bv2-center .bv2-editor {
    flex: 1;
  }

  /* Preview: always desktop mode hidden frame constraints on mobile */
  .bv2-preview[data-device="tablet"] .bv2-preview__iframe,
  .bv2-preview[data-device="mobile"] .bv2-preview__iframe {
    width: 100%;
    height: 100%;
    border-radius: 0;
    box-shadow: none;
    max-width: none;
    max-height: none;
  }

  /* Design panel always expanded on mobile */
  .bv2-design-panel.is-collapsed .bv2-design-panel__body {
    display: flex;
  }

  /* Chat input pinned properly */
  .bv2-chat-input {
    padding-bottom: 8px;
  }

  /* Deploy bar: only primary on mobile */
  .bv2-deploy-bar .bv2-btn-deploy-ghost {
    display: none;
  }

  /* Bottom mobile-nav occupies 4th row */
  .bv2-mobile-nav {
    grid-area: mobile-nav;
    position: fixed;
  }

  /* Swipe hint pseudo-element (visual only) */
  .bv2-left.is-mobile-active::after,
  .bv2-center.is-mobile-active::after,
  .bv2-right.is-mobile-active::after {
    content: '';
    position: absolute;
    right: 0;
    top: 40%;
    width: 3px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--bv2-border-active), transparent);
    pointer-events: none;
    opacity: 0.5;
  }
}

/* ─── @media (max-width: 480px) — Small phone ─────────────── */
@media (max-width: 480px) {

  .bv2-logo-wordmark {
    font-size: 10px;
    letter-spacing: 2px;
  }

  .bv2-logo-badge {
    font-size: 8px;
    padding: 1px 4px;
  }

  .bv2-terminal-chip {
    display: none;
  }

  .bv2-terminal-chip--deploy {
    display: inline-flex;
  }

  .bv2-chat-input__footer {
    display: none;
  }

  .bv2-editor-tabs {
    height: 28px;
  }

  .bv2-editor-tab {
    padding: 0 10px;
    font-size: 10px;
  }
}

/* ─── Reduced Motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .bv2-terminal__cursor {
    animation: none;
    opacity: 1;
  }
}

/* ─── High Contrast / Forced Colors ──────────────────────── */
@media (forced-colors: active) {
  .bv2-agent-card[data-status="active"] {
    forced-color-adjust: none;
    outline: 2px solid Highlight;
  }

  .bv2-editor-tab.is-active::after {
    background: Highlight;
  }
}

/* ─── Print ───────────────────────────────────────────────── */
@media print {
  .bv2-shell {
    display: none;
  }
}

/* ─── Focus Visible Accessibility ────────────────────────── */
.bv2-shell :focus-visible {
  outline: 1px solid var(--bv2-gold);
  outline-offset: 1px;
}

.bv2-shell button:focus:not(:focus-visible),
.bv2-shell select:focus:not(:focus-visible),
.bv2-shell textarea:focus:not(:focus-visible) {
  outline: none;
}

/* ─── Selection ───────────────────────────────────────────── */
.bv2-shell ::selection {
  background: rgba(245, 158, 11, 0.25);
  color: var(--bv2-text);
}

.bv2-editor ::selection {
  background: rgba(245, 158, 11, 0.2);
  color: var(--bv2-text);
}

/* ─── Timer Chip ──────────────────────────────────────────── */
.bv2-meta-timer {
  font-variant-numeric: tabular-nums;
  min-width: 44px;
  text-align: right;
}

/* ─── Showcase Cards (Welcome) ────────────────────────────── */
.bv2-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.bv2-showcase-card {
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--bv2-t-med);
}

.bv2-showcase-card:hover {
  transform: translateY(-3px);
  border-color: var(--bv2-border-active);
}

.bv2-showcase-preview {
  height: 90px;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.bv2-showcase-info {
  padding: 10px;
}

.bv2-showcase-title {
  font-family: var(--bv2-ui);
  font-size: 11px;
  font-weight: 700;
  color: var(--bv2-text);
  margin-bottom: 3px;
}

.bv2-showcase-desc {
  font-family: var(--bv2-ui);
  font-size: 10px;
  color: var(--bv2-text-dim);
  margin-bottom: 6px;
}

.bv2-showcase-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.bv2-showcase-tag {
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 9px;
  font-weight: 600;
}

.bv2-showcase-tag--code {
  background: rgba(0, 255, 136, 0.1);
  color: var(--bv2-neon);
  border: 1px solid rgba(0, 255, 136, 0.2);
}

.bv2-showcase-tag--deploy {
  background: var(--bv2-gold-subtle);
  color: var(--bv2-gold);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Showcase mock elements */
.bv2-showcase-mock-nav {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.4);
}

.bv2-showcase-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.bv2-showcase-url {
  flex: 1;
  height: 10px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  margin-left: 6px;
}

/* Quick Action Buttons */
.bv2-quick-actions {
  display: flex;
  gap: 6px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.bv2-quick-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  background: var(--bv2-surface-low);
  border: 1px solid var(--bv2-border);
  border-radius: 8px;
  color: var(--bv2-text-dim);
  font-family: var(--bv2-ui);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--bv2-t-fast);
}

.bv2-quick-btn:hover {
  border-color: var(--bv2-border-active);
  color: var(--bv2-gold);
}