:root{--bg:#f3f4f6;--bg-elevated:#ffffffc7;--ink:#1a1d23;--muted:#6b7280;--line:#1a1d2314;--accent:#2f6fed;--accent-soft:#2f6fed1f;--danger:#d64545;--ok:#1f9d63;--sidebar:76px;--radius:16px;--font:"DM Sans", "Noto Sans SC", system-ui, sans-serif}*{box-sizing:border-box}html,body,#app{min-height:100%;font-family:var(--font);color:var(--ink);background:var(--bg);margin:0}button,input,textarea,select{font:inherit;color:inherit}a{color:inherit;text-decoration:none}.grid-bg{perspective:800px;background-color:#eef0f3;background-image:linear-gradient(#ffffffb3,#eef0f3eb),linear-gradient(90deg,#7882961f 1px,#0000 1px),linear-gradient(#7882961f 1px,#0000 1px);background-position:50%,50%,50%;background-size:auto,48px 48px,48px 48px}.btn{cursor:pointer;border:none;border-radius:12px;padding:10px 18px;transition:transform .15s,opacity .15s,background .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;font-weight:600}.btn-primary:hover:not(:disabled){transform:translateY(-1px)}.btn-ghost{border:1px solid var(--line);background:0 0}.btn-danger{background:var(--danger);color:#fff}.field{flex-direction:column;gap:8px;display:flex}.field label{color:var(--muted);font-size:13px;font-weight:500}.field input,.field textarea,.field select{border:1px solid var(--line);background:#ffffffe6;border-radius:12px;outline:none;padding:12px 14px}.field input:focus,.field textarea:focus,.field select:focus{box-shadow:0 0 0 3px var(--accent-soft);border-color:#2f6fed73}.field textarea{resize:vertical;min-height:120px;line-height:1.55}.card-soft{background:var(--bg-elevated);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:var(--radius);border:1px solid #ffffffa6;box-shadow:0 10px 40px #1e283c0f}.err{color:var(--danger);font-size:13px}.ok{color:var(--ok);font-size:13px}.skeleton{background:linear-gradient(90deg,#e7e9ee,#f7f8fa,#e7e9ee) 0 0/200% 100%;border-radius:12px;animation:1.2s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.fade-up{animation:.35s both fadeUp}