:root{--bg: #f6f7f9;--surface: #ffffff;--ink: #1a2230;--muted: #5b6676;--line: #e4e8ee;--primary: #1f3a5f;--primary-700: #16304f;--accent: #e0863a;--accent-soft: #fbeede;--ok: #1f9d6b;--err: #c8413a;--radius: 14px;--shadow: 0 1px 2px rgba(20,30,50,.06), 0 8px 24px rgba(20,30,50,.08)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}button{font:inherit;cursor:pointer}a{color:var(--primary)}.wrap{max-width:880px;margin:0 auto;padding:28px 20px 80px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.brand{display:flex;align-items:center;gap:10px}.brand .dot{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--accent))}.brand h1{font-size:18px;margin:0;letter-spacing:-.2px}.brand small{color:var(--muted);font-weight:500}.linkbtn{background:none;border:none;color:var(--muted);font-size:13px}.hero h2{font-size:30px;line-height:1.15;letter-spacing:-.5px;margin:6px 0}.hero p{color:var(--muted);margin:0 0 22px;max-width:560px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.tabs{display:flex;gap:6px;margin-bottom:16px;background:#eef1f5;padding:4px;border-radius:11px;width:fit-content}.tabs button{border:none;background:transparent;padding:8px 16px;border-radius:8px;color:var(--muted);font-weight:600}.tabs button.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px #00000014}label.fld{display:block;font-weight:600;font-size:13px;margin:14px 0 6px}input[type=text],input[type=email],input[type=password]{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;font:inherit;color:var(--ink)}input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #1f3a5f1f}.drop{border:1.5px dashed #cbd3de;border-radius:12px;padding:26px;text-align:center;color:var(--muted);background:#fbfcfd;transition:.15s}.drop.drag{border-color:var(--accent);background:var(--accent-soft);color:var(--ink)}.drop strong{color:var(--ink)}.filechip{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);color:#7a4416;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;margin-top:10px}.btn{background:var(--primary);color:#fff;border:none;padding:12px 20px;border-radius:10px;font-weight:650;box-shadow:0 6px 16px #1f3a5f38}.btn:hover{background:var(--primary-700)}.btn:disabled{opacity:.5;box-shadow:none;cursor:default}.btn.ghost{background:#fff;color:var(--primary);border:1px solid var(--line);box-shadow:none}.btn.small{padding:7px 13px;font-size:13px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.mt{margin-top:18px}.err{color:var(--err);font-size:13px;margin-top:10px;font-weight:500}.hint{color:var(--muted);font-size:12.5px;margin-top:8px}.steps{margin-top:8px}.step{display:flex;align-items:center;gap:11px;padding:7px 0;color:var(--muted)}.step .ic{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:12px;flex:none}.step.active{color:var(--ink);font-weight:600}.step.active .ic{border-color:var(--accent)}.step.done{color:var(--ink)}.step.done .ic{background:var(--ok);border-color:var(--ok);color:#fff}.bar{height:7px;background:#eef1f5;border-radius:999px;overflow:hidden;margin:14px 0 4px}.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .4s}.spin{width:13px;height:13px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;display:inline-block;animation:sp 1s linear infinite;vertical-align:-2px}@keyframes sp{to{transform:rotate(360deg)}}.reflink{background:var(--accent-soft);border:1px solid #f0d8bd;border-radius:12px;padding:14px 16px}.reflink .lbl{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:#9a5a1e}.reflink code{display:block;word-break:break-all;font-size:12.5px;margin:6px 0 10px;color:#4a3216}.analysis{margin-top:20px}.analysis h2{font-size:18px;margin:22px 0 8px;padding-top:12px;border-top:1px solid var(--line);color:var(--primary)}.analysis h2:first-child{border-top:none;padding-top:0}.analysis h1{font-size:22px}.analysis ul{padding-left:20px}.analysis li{margin:4px 0}.analysis pre{background:#0f1b2d;color:#d6e2f0;padding:14px;border-radius:10px;overflow-x:auto;font-size:12.5px}.analysis code{background:#eef1f5;padding:1px 5px;border-radius:5px;font-size:12.5px}.analysis pre code{background:none;padding:0}.login{max-width:380px;margin:9vh auto 0}.login .card{padding:28px}.center{text-align:center}.badge{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px}.badge.ok{background:#e3f5ec;color:var(--ok)}.badge.warn{background:#fdf0e2;color:#a86224}