:root{--bg: #f7f8fa;--surface: #ffffff;--surface-2: #fbfcfd;--border: #e6e8ec;--border-strong: #d4d8df;--text: #0b1524;--muted: #5b6573;--subtle: #8a93a2;--brand: #4f46e5;--brand-hover: #4338ca;--brand-soft: #eef2ff;--brand-ring: rgba(79, 70, 229, .35);--green: #15803d;--green-soft: #dcfce7;--amber: #b45309;--amber-soft: #fef3c7;--red: #b91c1c;--red-soft: #fee2e2;--blue: #1d4ed8;--blue-soft: #dbeafe;--r-sm: 6px;--r: 10px;--r-lg: 14px;--r-pill: 999px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08), 0 2px 4px rgba(16, 24, 40, .05);--shadow-lg: 0 12px 32px rgba(16, 24, 40, .12);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: "SF Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}code,.mono{font-family:var(--mono);font-size:.86em}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 24px;background:#ffffffd9;-webkit-backdrop-filter:saturate(180%) blur(8px);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.02em}.brand .mark{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,#6366f1,#4f46e5 60%,#4338ca);box-shadow:0 2px 6px var(--brand-ring);display:grid;place-items:center;color:#fff;font-size:14px}.topbar-right{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.container{max-width:1080px;margin:0 auto;padding:28px 24px 64px}.page-head{margin-bottom:22px}.page-head h1{font-size:24px}.page-head p{margin:4px 0 0;color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-sm)}.card+.card{margin-top:18px}.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--border)}.card-head h3{font-size:15px}.card-head .sub{color:var(--muted);font-size:13px;margin-top:2px}.card-body{padding:20px}.grid{display:grid;gap:16px}.btn{display:inline-flex;align-items:center;gap:7px;font:inherit;font-weight:550;font-size:13.5px;padding:8px 14px;border-radius:var(--r-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);cursor:pointer;transition:all .12s ease;white-space:nowrap}.btn:hover{background:var(--surface-2);border-color:#c2c8d0}.btn:active{transform:translateY(.5px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--brand-ring)}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand-hover);border-color:var(--brand-hover)}.btn.ghost{border-color:transparent;background:transparent;color:var(--muted);padding:6px 8px}.btn.ghost:hover{background:var(--surface-2);color:var(--text)}.btn.green{background:var(--green);border-color:var(--green);color:#fff}.btn.green:hover{filter:brightness(.95)}.btn.sm{padding:5px 10px;font-size:12.5px}.btn.danger{color:var(--red);border-color:#f0c2c2}.btn.danger:hover{background:var(--red-soft)}.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:var(--r-pill);border:1px solid transparent;text-transform:capitalize}.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.9}.badge.green{background:var(--green-soft);color:var(--green)}.badge.amber{background:var(--amber-soft);color:var(--amber)}.badge.red{background:var(--red-soft);color:var(--red)}.badge.blue{background:var(--blue-soft);color:var(--blue)}.badge.gray{background:#f1f3f5;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}.stat{border:1px solid var(--border);border-radius:var(--r);padding:14px 16px;background:var(--surface-2)}.stat .num{font-size:26px;font-weight:700;letter-spacing:-.02em}.stat .lbl{color:var(--muted);font-size:12.5px;margin-top:2px}.stat .num.good{color:var(--green)}.conf{margin:6px 0 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td{background:var(--surface-2)}.diff-before{color:var(--red);text-decoration:line-through;opacity:.75}.diff-after{color:var(--green);font-weight:600}.cell-chip{background:#f1f3f5;border-radius:var(--r-sm);padding:2px 7px;font-family:var(--mono);font-size:12px}.meter{width:64px;height:6px;border-radius:var(--r-pill);background:#eef0f3;overflow:hidden;display:inline-block;vertical-align:middle}.meter>span{display:block;height:100%;border-radius:var(--r-pill)}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--r-lg);padding:34px;text-align:center;color:var(--muted);transition:all .15s ease;cursor:pointer;background:var(--surface-2)}.dropzone:hover,.dropzone.drag{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.dropzone .big{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}.stepper{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.step{display:flex;align-items:center;gap:8px;color:var(--subtle);font-size:13px}.step .dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--border-strong);display:grid;place-items:center;font-size:11px;font-weight:700;background:var(--surface)}.step.active{color:var(--text);font-weight:600}.step.active .dot{border-color:var(--brand);color:var(--brand)}.step.done .dot{background:var(--brand);border-color:var(--brand);color:#fff}.step.done{color:var(--text)}.step-sep{width:26px;height:2px;background:var(--border);border-radius:2px}.banner{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:var(--r);font-size:13.5px}.banner.error{background:var(--red-soft);color:var(--red);border:1px solid #f3c9c9}.banner.info{background:var(--blue-soft);color:var(--blue);border:1px solid #c7d7f7}.toasts{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:50}.toast{background:var(--text);color:#fff;padding:11px 15px;border-radius:var(--r);box-shadow:var(--shadow-lg);font-size:13.5px;max-width:360px;animation:slideup .18s ease}.toast.err{background:#7f1d1d}@keyframes slideup{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0b152473;display:grid;place-items:center;z-index:60;animation:fade .12s ease}@keyframes fade{0%{opacity:0}to{opacity:1}}.modal{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:440px;max-width:calc(100vw - 32px)}.modal .m-head{padding:18px 20px;border-bottom:1px solid var(--border);font-weight:650}.modal .m-body{padding:20px}.modal .m-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.input{width:100%;padding:9px 12px;border:1px solid var(--border-strong);border-radius:var(--r-sm);font:inherit;background:var(--surface)}.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-ring)}.label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:6px}.spinner{width:16px;height:16px;border:2px solid var(--border-strong);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}.empty{text-align:center;color:var(--muted);padding:40px 20px}.row{display:flex;align-items:center;gap:10px}.between{display:flex;align-items:center;justify-content:space-between;gap:12px}.muted{color:var(--muted)}.hr{height:1px;background:var(--border);border:0;margin:16px 0}.center-screen{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:420px;max-width:100%;text-align:center}.nav-links{display:flex;align-items:center;gap:4px}.nav-link{padding:7px 12px;border-radius:var(--r-sm);color:var(--muted);font-weight:550;font-size:13.5px;cursor:pointer;background:none;border:none;font-family:inherit}.nav-link:hover{background:var(--surface-2);color:var(--text)}.nav-link.active{color:var(--brand);background:var(--brand-soft)}.hero{text-align:center;padding:64px 24px 36px;background:radial-gradient(1200px 400px at 50% -120px,#eef2ff 0%,transparent 70%)}.hero h1{font-size:42px;line-height:1.1;letter-spacing:-.03em;max-width:760px;margin:0 auto}.hero h1 .grad{background:linear-gradient(90deg,#6366f1,#4338ca);-webkit-background-clip:text;background-clip:text;color:transparent}.hero .lead{color:var(--muted);font-size:18px;max-width:620px;margin:18px auto 26px}.hero-cta{display:flex;gap:12px;justify-content:center}.btn.lg{padding:11px 20px;font-size:15px;border-radius:var(--r)}.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:28px}.chip{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:550;box-shadow:var(--shadow-sm)}.chip b{color:var(--brand)}.section{max-width:1000px;margin:0 auto;padding:28px 24px}.section h2{font-size:22px;text-align:center;margin-bottom:6px}.section .sub{text-align:center;color:var(--muted);margin-bottom:26px}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.feature{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-sm)}.feature .ic{width:38px;height:38px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:19px;margin-bottom:12px}.feature h3{font-size:15px;margin-bottom:6px}.feature p{color:var(--muted);font-size:13.5px;margin:0}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;counter-reset:s}.step-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);padding:18px}.step-card .n{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;margin-bottom:10px}.footer{text-align:center;color:var(--subtle);font-size:13px;padding:40px 24px;border-top:1px solid var(--border);margin-top:40px}.dl{display:flex;gap:8px;flex-wrap:wrap}.dl a{font-size:12.5px;padding:4px 10px;border:1px solid var(--border-strong);border-radius:var(--r-sm);color:var(--text)}.dl a:hover{background:var(--surface-2);text-decoration:none}.select{padding:8px 10px;border:1px solid var(--border-strong);border-radius:var(--r-sm);font:inherit;background:var(--surface)}.scan-top{display:flex;justify-content:space-between;align-items:center;margin:14px 0 10px;font-size:13.5px}.scan-phase{font-weight:600;display:flex;align-items:center;gap:8px}.scan-rows{font-variant-numeric:tabular-nums}.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--brand);animation:pulse 1.2s infinite}@keyframes pulse{0%{box-shadow:0 0 0 0 var(--brand-ring)}70%{box-shadow:0 0 0 9px transparent}to{box-shadow:0 0 0 0 transparent}}.scan-track{height:10px;border-radius:var(--r-pill);background:#eef0f3;overflow:hidden;position:relative}.scan-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#6366f1,#4f46e5);transition:width .18s linear;position:relative;overflow:hidden}.scan-fill:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);transform:translate(-100%);animation:shimmer 1.1s infinite}@keyframes shimmer{to{transform:translate(100%)}}.step.active .dot{animation:stepPulse 1.3s ease-in-out infinite}@keyframes stepPulse{0%,to{box-shadow:0 0 0 0 var(--brand-ring)}50%{box-shadow:0 0 0 5px transparent}}.scoreboard{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.score-ring{position:relative;width:132px;height:132px;flex:none}.score-ring-c{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;text-align:center}.score-num{font-size:30px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.score-lbl{font-size:11px;color:var(--muted);margin-top:-2px}.score-head{flex:1;min-width:220px}.score-delta{display:inline-flex;align-items:baseline;gap:6px;font-size:24px;font-weight:800;color:var(--green);letter-spacing:-.02em}.pop{animation:pop .5s cubic-bezier(.22,1.4,.5,1)}@keyframes pop{0%{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:80;overflow:hidden}.confetti span{position:absolute;top:-12px;border-radius:1px;opacity:.9;animation-name:confetti-fall;animation-timing-function:cubic-bezier(.3,.6,.7,1);animation-fill-mode:forwards}@keyframes confetti-fall{0%{transform:translateY(-10px) rotate(0);opacity:1}to{transform:translateY(102vh) rotate(560deg);opacity:.9}}.gr-progress{height:6px;border-radius:var(--r-pill);background:#eef0f3;overflow:hidden;margin-bottom:16px}.gr-progress>span{display:block;height:100%;background:linear-gradient(90deg,#6366f1,#4f46e5);border-radius:var(--r-pill);transition:width .3s ease}.gr-card{animation:grIn .22s ease}@keyframes grIn{0%{opacity:0;transform:translate(10px)}to{opacity:1;transform:translate(0)}}.kbd{font-family:var(--mono);font-size:10px;background:#ffffff40;border:1px solid currentColor;border-radius:4px;padding:0 4px;margin-left:6px;opacity:.8}.modal.wide{width:560px}