:root{--bg:#f7f9fc;--surface:#fff;--line:#e7ebf2;--text:#172033;--muted:#748096;--accent:#1f5eff;--accent2:#edf3ff;--danger:#c9364c;--success:#16865c;--shadow:0 10px 35px rgba(27,39,67,.07)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.shell{min-height:100vh;display:flex}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:#fff;border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;padding:4px 10px 28px}.brand-mark,.login-mark{width:44px;height:44px;border-radius:13px;background:#172033;color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px}.brand strong{display:block;font-size:15px}.brand span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.sidebar nav{display:grid;gap:5px}.sidebar nav a,.logout{padding:12px 13px;border-radius:10px;text-decoration:none;color:#68758a;font-size:14px}.sidebar nav a:hover,.sidebar nav a.active{background:var(--accent2);color:var(--accent);font-weight:700}.logout{margin-top:auto}.main{margin-left:250px;width:calc(100% - 250px);padding:34px;max-width:1500px}.main header{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.main h1{margin:0;font-size:27px;letter-spacing:-.02em}.main header p{margin:7px 0 0;color:var(--muted);font-size:13px}.status{font-size:12px;font-weight:700;color:var(--success);background:#eaf8f2;padding:8px 11px;border-radius:999px}.status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:currentColor;margin-right:6px}.toast{padding:12px 14px;border-radius:10px;margin:0 0 16px;background:#fcecef;color:var(--danger);font-size:13px}.toast.ok{background:#eaf8f2;color:var(--success)}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:20px}.panel-head{display:flex;justify-content:space-between;align-items:center}.panel h2{font-size:16px;margin:0 0 14px}.stat{font-size:25px;font-weight:800}.label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.muted{color:var(--muted);font-size:13px}.form{display:grid;gap:11px}.form input,.form select,.form textarea,.login-card input{width:100%;border:1px solid #dfe5ee;border-radius:10px;background:#fff;color:var(--text);padding:12px 13px;outline:none}.form input:focus,.form select:focus,.form textarea:focus,.login-card input:focus{border-color:#9cb8ff;box-shadow:0 0 0 3px #edf3ff}.form textarea{min-height:110px;resize:vertical}.btn,.login-card button{border:0;background:var(--accent);color:#fff;border-radius:10px;padding:11px 15px;font-weight:750;cursor:pointer}.btn.secondary{background:#eef2f7;color:#27344b}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.result-panel{margin-top:18px}.result-panel pre{margin:0;background:#f7f9fc;border:1px solid var(--line);border-radius:10px;padding:14px;overflow:auto;white-space:pre-wrap;word-break:break-word;font-size:12px}.footer,footer{margin-top:34px;padding:18px 0;border-top:1px solid var(--line);color:#98a2b3;font-size:12px}.login-page{min-height:100vh;display:grid;place-items:center;background:#f6f8fb}.login-card{width:min(390px,92vw);background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:0 18px 55px rgba(30,43,71,.08)}.login-card .login-mark{margin-bottom:22px}.login-card h1{margin:0 0 25px;font-size:25px}.login-card label{display:block;font-size:13px;font-weight:700;margin-bottom:8px}.login-card button{width:100%;margin-top:15px;padding:13px}.login-error{margin-top:13px;padding:10px 12px;border-radius:9px;background:#fcecef;color:var(--danger);font-size:13px}@media(max-width:1000px){.sidebar{position:static;width:100%;height:auto}.shell{display:block}.main{margin:0;width:100%;padding:20px}.sidebar nav{grid-template-columns:repeat(2,1fr)}.grid,.two,.three{grid-template-columns:1fr}.logout{margin-top:8px}}