@import "https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700;900&family=Noto+Sans+SC:wght@300;400;500;700&family=Cinzel:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--pane-left:280px;--pane-right:320px;--bg-void:#06080f;--bg-deep:#0a0e1a;--bg-base:#0f1424;--bg-raised:#141929;--bg-elevated:#1a2038;--glass-1:#14192973;--glass-2:#14192999;--glass-3:#0f1424bf;--stroke-1:#ffffff0f;--stroke-2:#ffffff1a;--stroke-3:#ffffff29;--stroke-glow:#8b5cf673;--stroke-gold:#f59e0b8c;--violet-300:#c4b5fd;--violet-400:#a78bfa;--violet-500:#8b5cf6;--violet-600:#7c3aed;--cyan-300:#67e8f9;--cyan-400:#22d3ee;--cyan-500:#06b6d4;--cyan-600:#0891b2;--gold-300:#fcd34d;--gold-400:#fbbf24;--gold-500:#f59e0b;--gold-600:#d97706;--grad-spine:linear-gradient(180deg, #c4b5fd 0%, #8b5cf6 35%, #06b6d4 100%);--grad-primary:linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);--grad-fork:linear-gradient(135deg, #fbbf24 0%, #f59e0b 60%, #d97706 100%);--grad-nebula:radial-gradient(120% 80% at 20% 10%, #8b5cf64d 0%, transparent 55%), radial-gradient(90% 70% at 85% 90%, #06b6d433 0%, transparent 60%), radial-gradient(60% 50% at 50% 50%, #f59e0b0f 0%, transparent 70%), linear-gradient(180deg, #06080f 0%, #0a0e1a 100%);--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--ai-active:#a78bfa;--fg-1:#e5e7eb;--fg-2:#9ca3af;--fg-3:#6b7280;--glow-violet:0 0 0 1px #8b5cf659, 0 0 24px #8b5cf673;--glow-cyan:0 0 0 1px #06b6d466, 0 0 28px #06b6d466;--glow-gold:0 0 0 1px #f59e0b8c, 0 0 32px #f59e0b8c;--font-serif:"Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;--font-display:"Cinzel", "Noto Serif SC", serif;--font-sans:"Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;--font-mono:"JetBrains Mono", ui-monospace, "SF Mono", monospace;--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-bounce:cubic-bezier(.34, 1.56, .64, 1);--bg:var(--bg-base);--bg-pane:var(--bg-raised);--bg-pane-2:var(--bg-elevated);--fg:var(--fg-1);--fg-dim:var(--fg-2);--fg-faint:var(--fg-3);--accent:#a78bfa;--border:#ffffff14}html,body,#root{background:var(--bg-deep);background-image:var(--grad-nebula);height:100%;color:var(--fg-1);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background-attachment:fixed;margin:0;font-size:14px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#a78bfa40;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#a78bfa73}::-webkit-scrollbar-track{background:0 0}::selection{color:#fff;background:#f59e0b59}.three-pane{grid-template-columns:var(--pane-left) 4px 1fr 4px var(--pane-right);grid-template-rows:44px 1fr;width:100vw;height:100vh;display:grid}.titlebar{background:var(--glass-2);-webkit-backdrop-filter:blur(20px)saturate(140%);border-bottom:1px solid var(--stroke-1);font-family:var(--font-display);letter-spacing:.18em;text-transform:uppercase;background-image:linear-gradient(135deg,#a78bfa1a 0%,#22d3ee0f 100%);grid-column:1/-1;align-items:center;padding:0 18px;font-size:14px;font-weight:600;display:flex}.titlebar .badge{font-family:var(--font-display);letter-spacing:.08em;text-transform:none;color:var(--violet-300);background:var(--glass-1);border:1px solid var(--stroke-2);border-radius:999px;margin-left:14px;padding:3px 14px;font-size:12px;font-weight:500}.glass{background:var(--glass-2);-webkit-backdrop-filter:blur(20px)saturate(140%);border:1px solid var(--stroke-2);border-radius:16px;box-shadow:inset 0 1px #ffffff0a,0 24px 60px #00000073}.pane{background:var(--glass-2);-webkit-backdrop-filter:blur(16px)saturate(130%);flex-direction:column;display:flex;overflow-y:auto}.pane-left{border-right:1px solid var(--stroke-1);grid-area:2/1}.pane-center{background:0 0;grid-area:2/3}.pane-right{border-left:1px solid var(--stroke-1);grid-area:2/5}.resizer{cursor:col-resize;transition:background .2s var(--ease-out);background:0 0;grid-row:2;position:relative}.resizer:hover{background:linear-gradient(#0000 0%,#a78bfa73 50%,#0000 100%)}.resizer-left{grid-column:2}.resizer-right{grid-column:4}.pane-header{font-family:var(--font-sans);text-transform:uppercase;letter-spacing:.22em;color:var(--fg-2);border-bottom:1px solid var(--stroke-1);justify-content:space-between;align-items:center;padding:14px 18px;font-size:11px;font-weight:600;display:flex}.pane-body{flex:1;padding:12px 16px;overflow-y:auto}.pane-body p.empty{color:var(--fg-3);margin:8px 0;font-size:12px}.brick-row{cursor:pointer;transition:background .16s var(--ease-out), border-color .16s var(--ease-out);border:1px solid #0000;border-radius:8px;margin-bottom:4px;padding:9px 11px;font-size:13px}.brick-row:hover{border-color:var(--stroke-2);background:#a78bfa0f}.brick-row .name{font-family:var(--font-serif);letter-spacing:.005em;font-weight:500}.brick-row .summary{color:var(--fg-2);text-overflow:ellipsis;white-space:nowrap;margin-top:2px;font-size:11px;overflow:hidden}.brick-row .kind{font-family:var(--font-mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.18em;margin-bottom:2px;font-size:10px}.editor-empty{height:100%;color:var(--fg-3);text-align:center;justify-content:center;align-items:center;padding:24px;font-size:14px;display:flex}.error-banner{color:var(--gold-300);border-top:1px solid var(--stroke-gold);border-bottom:1px solid var(--stroke-gold);background:#f59e0b1f;padding:10px 14px;font-size:12px}.error-banner:before{content:"※ ";color:var(--gold-400);margin-right:4px;font-weight:600}.button{background:var(--grad-primary);color:#fff;font-family:var(--font-sans);letter-spacing:.02em;cursor:pointer;transition:filter .2s var(--ease-out), transform .12s var(--ease-out), box-shadow .2s var(--ease-out);border:1px solid #0000;border-radius:8px;padding:7px 16px;font-size:12px;font-weight:500;box-shadow:inset 0 1px #ffffff1f,0 6px 16px #8b5cf640}.button:hover{filter:brightness(1.08);box-shadow:inset 0 1px #ffffff29,0 8px 24px #8b5cf666}.button:active{filter:brightness(.95);transform:scale(.98)}.button:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(.3)}.button.secondary{background:var(--glass-1);color:var(--fg-1);border:1px solid var(--stroke-2);box-shadow:none}.button.secondary:hover{background:var(--glass-2);border-color:var(--stroke-3);filter:none}.branch-row{font-size:12px;font-family:var(--font-mono);cursor:pointer;transition:background .16s var(--ease-out);border-radius:6px;align-items:center;padding:7px 10px;display:flex}.branch-row:hover{background:#a78bfa0f}.branch-row.current{border:1px solid var(--stroke-glow);color:var(--violet-300);background:#a78bfa1f;font-weight:600}.branch-row .dot{background:var(--fg-3);border-radius:50%;width:6px;height:6px;margin-right:8px}.branch-row.current .dot{background:var(--violet-400);transform-origin:50%;animation:4s ease-in-out infinite pulse-spine;box-shadow:0 0 8px #a78bfab3}@keyframes breathe-mark{0%,to{transform:scale(1);box-shadow:0 0 0 1px #ffffff1a,0 0 12px #a78bfa59}50%{transform:scale(1.025);box-shadow:0 0 0 1px #ffffff24,0 0 18px #a78bfa8c}}@keyframes pulse-spine{0%,to{box-shadow:0 0 8px #a78bfa8c}50%{box-shadow:0 0 14px #a78bfaf2}}.brand-mark{transform-origin:50%;animation:4s ease-in-out infinite breathe-mark}@media (prefers-reduced-motion:reduce){.brand-mark,.branch-row.current .dot{animation:none}}