:root{--bg:#f4f3ef;--surface:#ffffff;--ink:#17150f;--ink-soft:#57534a;--ink-faint:#8f8a7d;--line:#e3e0d6;--line-strong:#cec9ba;--accent:#9a2b1f;--accent-ink:#ffffff;--ok:#2f6b3a;--ok-bg:#e2efdd;--warn-bg:#fbf0cf;--danger:#9a2b1f;--danger-bg:#f5dcd8;--info-bg:#dde7f3;--muted-bg:#ececea;--slot-open:#cdeccd;--slot-blocked:#f3d3ce;--slot-mine:#2f6fb0;--slot-closed:#eeece6;--radius:10px;--radius-sm:7px;--shadow:0 1px 2px rgba(23,21,15,0.06),0 4px 16px rgba(23,21,15,0.05);--font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{font-weight:640;letter-spacing:-.01em;margin:0}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:15px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-sm);padding:9px 16px;font-size:14px;font-weight:560;transition:background .12s ease,border-color .12s ease,transform .04s ease;background:var(--muted-bg);color:var(--ink)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover:not(:disabled){background:#000}.btn-accent{background:var(--accent);color:var(--accent-ink)}.btn-ghost{background:transparent;border-color:var(--line-strong)}.btn-ghost:hover:not(:disabled){background:var(--surface)}.btn-sm{padding:6px 11px;font-size:13px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-size:13px;font-weight:560;color:var(--ink-soft)}.field input,.field select,.field textarea{padding:10px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink)}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:none}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.notice{padding:11px 14px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px}.notice-error{background:var(--danger-bg);color:var(--danger)}.notice-ok{background:var(--ok-bg);color:var(--ok)}.muted{color:var(--ink-faint)}.mono{font-family:var(--mono)}