:root{--bg: #0b1220;--panel: #111b2e;--border: #1e3a5f;--fg: #e8f1ff;--muted: #8ba3c7;--accent: #38bdf8;--accent2: #22d3ee;--danger: #f87171;--ok: #4ade80;--radius: 12px;font-family:Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--fg)}.layout{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}.sidebar{border-right:1px solid var(--border);background:linear-gradient(180deg,#0e1729,#0b1220);padding:20px 14px;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{font-size:1.15rem;font-weight:800;margin:0 0 4px}.brand span{color:var(--accent2)}.sub{color:var(--muted);font-size:.78rem;line-height:1.45;margin-bottom:18px}.nav-label{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:12px 0 8px}.nav-item{display:flex;align-items:center;gap:8px;width:100%;border:none;background:transparent;color:#b8cee8;padding:10px 12px;border-radius:10px;cursor:pointer;text-align:left;font-size:.92rem;font-weight:600}.nav-item:hover{background:#152a48;color:#fff}.nav-item.active{color:#062133;background:linear-gradient(90deg,var(--accent),var(--accent2))}.sidebar-footer{margin-top:20px;padding-top:14px;border-top:1px solid var(--border);font-size:.78rem;color:var(--muted);line-height:1.5}.sidebar-footer a{color:var(--accent)}.main{padding:24px 28px 40px}.header h1{margin:0 0 6px;font-size:clamp(1.4rem,2.5vw,1.9rem)}.header p{margin:0 0 16px;color:var(--muted)}.status-bar{display:grid;gap:6px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);font-size:.82rem;margin-bottom:16px}.status-bar.warn{border-color:#854d0e;background:#1c1408}.tasks{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.chip{border:1px solid var(--border);background:#0c1526;color:var(--fg);border-radius:999px;padding:6px 12px;cursor:pointer;font-size:.82rem}.chip.active{outline:2px solid var(--accent)}.hint{color:var(--muted);font-size:.82rem;min-height:1.2em;margin-bottom:12px}label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:6px}textarea{width:100%;min-height:140px;resize:vertical;border-radius:var(--radius);border:1px solid var(--border);background:#0c1526;color:var(--fg);padding:12px;font:inherit}.output{min-height:180px;max-height:420px;overflow:auto;white-space:pre-wrap;word-break:break-word;border:1px solid var(--border);border-radius:var(--radius);background:#060b14;padding:12px;margin-top:6px}.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.btn{border:none;border-radius:10px;padding:8px 14px;cursor:pointer;font-size:.84rem;font-weight:600;background:#1a2a44;color:var(--fg)}.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#062133}.btn:disabled{opacity:.5;cursor:not-allowed}.settings{margin-top:16px;padding:14px;border:1px dashed var(--border);border-radius:var(--radius);font-size:.82rem}.settings input{width:100%;margin:4px 0 10px;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:#0c1526;color:var(--fg)}.footer-note{margin-top:18px;color:var(--muted);font-size:.78rem}@media (max-width: 860px){.layout{grid-template-columns:1fr}.sidebar{height:auto;position:static}}