:root{--navy:#071427;--navy2:#102641;--cyan:#65d5ff;--blue:#2587ff;--white:#fff;--ink:#132033;--muted:#657286;--line:#dfe6ee;--soft:#f3f7fb;--danger:#f04461}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#eef4f9,#f8fbfd 48%,#eaf4fb);color:var(--ink);font-family:Pretendard,"Noto Sans KR",Arial,sans-serif;min-height:100vh}.shell{width:min(1040px,calc(100% - 32px));margin:28px auto;background:#fff;border:1px solid rgba(7,20,39,.08);box-shadow:0 24px 70px rgba(7,20,39,.13);border-radius:24px;overflow:hidden;min-height:calc(100vh - 56px)}.topbar{height:78px;padding:0 34px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{border:0;background:transparent;display:flex;gap:12px;align-items:center;text-align:left;color:var(--navy);cursor:pointer}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--navy);color:var(--cyan);font-weight:900;font-size:14px;letter-spacing:-1px}.brand b,.brand small{display:block}.brand b{font-size:16px;letter-spacing:.04em}.brand small{color:var(--muted);font-size:12px;margin-top:2px}.step-indicator{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.step-indicator i{display:block;width:110px;height:5px;background:#e7edf3;border-radius:5px;overflow:hidden}.step-indicator em{display:block;height:100%;width:20%;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .35s}.panel{display:none;padding:54px clamp(24px,7vw,80px) 64px;animation:enter .32s ease}.panel.active{display:block}.eyebrow{margin:0 0 12px;color:#087cb7;font-size:12px;font-weight:800;letter-spacing:.14em}.panel h1{font-size:clamp(30px,4vw,46px);line-height:1.15;letter-spacing:-.045em;margin:0}.lead{font-size:20px;line-height:1.6;color:#415169;margin:20px 0 30px}.sub{color:var(--muted);font-size:17px;margin:12px 0 38px;line-height:1.6}.security-icon{float:right;width:76px;height:76px;border-radius:24px;background:linear-gradient(145deg,var(--navy2),var(--navy));color:var(--cyan);display:grid;place-items:center;font-size:36px;box-shadow:0 14px 32px rgba(7,20,39,.2)}.security-card{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden}.security-card div{padding:24px;border-right:1px solid var(--line)}.security-card div:last-child{border:0}.security-card strong,.security-card span{display:block}.security-card strong{font-size:16px;margin-bottom:10px}.security-card span{font-size:14px;color:var(--muted);line-height:1.65}.notice{padding:14px 16px;background:#f4f7fa;border-radius:10px;color:#687588;font-size:13px}.agree{display:flex;align-items:center;gap:10px;margin:25px 0 16px;font-weight:700}.agree input{width:19px;height:19px;accent-color:var(--blue)}button{font:inherit}.primary,.ghost{border-radius:12px;min-height:50px;padding:0 24px;font-weight:800;cursor:pointer;transition:.2s}.primary{border:0;color:#fff;background:var(--navy);box-shadow:0 10px 25px rgba(7,20,39,.16)}.primary:hover:not(:disabled){transform:translateY(-2px);background:#0d2b4c}.primary:disabled{opacity:.28;cursor:not-allowed;box-shadow:none}.primary span{color:var(--cyan);margin-left:8px}.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}.field{margin:30px 0}.field h2{font-size:16px;margin:0 0 12px}.field h2 small{font-size:12px;color:var(--muted);font-weight:500;margin-left:6px}.choice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.choice-grid.five{grid-template-columns:repeat(5,1fr)}.choice-grid button{min-height:52px;padding:10px;border:1px solid var(--line);border-radius:12px;background:#fff;color:#39485d;font-weight:700;cursor:pointer}.choice-grid button:hover{border-color:#8bbff5;background:#f7fbff}.choice-grid button.selected{border-color:var(--blue);background:#edf6ff;color:#075eae;box-shadow:inset 0 0 0 1px var(--blue)}textarea{width:100%;height:92px;resize:vertical;border:1px solid var(--line);border-radius:12px;padding:14px;font:inherit;font-size:15px;outline:none}textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,135,255,.1)}.actions{display:flex;justify-content:space-between;gap:12px;margin-top:38px}.upload{min-height:260px;border:2px dashed #b8c8d8;border-radius:20px;background:var(--soft);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;transition:.2s}.upload:hover,.upload.drag{border-color:var(--blue);background:#ecf6ff}.upload input{display:none}.upload-icon{width:58px;height:58px;border-radius:18px;background:#fff;color:var(--blue);display:grid;place-items:center;font-size:32px;box-shadow:0 8px 25px rgba(7,20,39,.1);margin-bottom:15px}.upload strong{font-size:18px}.upload small{color:var(--muted);margin-top:8px}.file-preview{margin-top:14px;padding:12px 16px;border:1px solid #b6dfc9;background:#f0fbf5;border-radius:12px;color:#197548;font-weight:700}.loading{position:fixed;inset:0;background:rgba(7,20,39,.92);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;z-index:10}.loading[hidden]{display:none}.loading strong{font-size:20px;margin-top:28px}.loading span{color:#a8b9cb;margin-top:9px}.scan-doc{width:110px;height:140px;border:2px solid #7891aa;border-radius:12px;position:relative;background:linear-gradient(#16314d,#0c2037);overflow:hidden}.scan-doc:before,.scan-doc:after{content:"";position:absolute;left:20px;right:20px;height:4px;background:#647d96;box-shadow:0 20px #647d96,0 40px #647d96;top:30px}.scan-doc i{position:absolute;left:0;right:0;height:3px;background:var(--cyan);box-shadow:0 0 16px var(--cyan);animation:scan 1.4s infinite}.result-panel{padding-top:38px}.result-head{display:flex;justify-content:space-between;align-items:flex-start}.compact{min-height:40px;padding:0 15px}.summary-card{margin:28px 0;display:grid;grid-template-columns:150px 1fr;gap:26px;align-items:center;padding:30px;border-radius:20px;background:var(--navy);color:#fff}.score{display:flex;align-items:baseline;justify-content:center;border-right:1px solid #385069}.score strong{font-size:64px;line-height:1;color:var(--cyan)}.score span{color:#a9b9c8}.status{display:inline-block;padding:5px 10px;background:#ffe8ed;color:#bd2342;border-radius:999px;font-size:12px;font-weight:800}.summary-card h2{font-size:22px;margin:10px 0 5px}.summary-card p{color:#b6c5d3;margin:0;font-size:14px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.result-grid article,.scores{border:1px solid var(--line);border-radius:16px;padding:22px}.result-grid h3,.scores h3{margin:0 0 16px;font-size:17px}.result-grid ol{margin:0;padding-left:22px}.result-grid li{margin:12px 0;line-height:1.55;font-size:14px;color:#45556a}.bar-row{display:grid;grid-template-columns:120px 1fr 40px;align-items:center;gap:12px;margin:12px 0;font-size:14px}.bar{height:8px;background:#e8edf2;border-radius:8px;overflow:hidden}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:8px}.rewrite{margin-top:18px;display:grid;grid-template-columns:1fr 30px 1fr;gap:15px;align-items:center;padding:22px;border:1px solid var(--line);border-radius:16px}.rewrite span{font-size:12px;color:var(--muted);font-weight:800}.rewrite p{margin:8px 0 0;font-weight:700;line-height:1.5}.rewrite>b{color:var(--blue);font-size:24px}.recommended{background:#edf7ff;border-radius:12px;padding:15px}.prototype-note{margin:18px 0 0;color:#7b8797;font-size:12px;text-align:center}.mobile-only{display:none}@keyframes enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes scan{from{top:8px}50%{top:128px}to{top:8px}}@media(max-width:760px){.shell{width:100%;margin:0;border-radius:0;min-height:100vh}.topbar{padding:0 18px}.step-indicator i{width:72px}.panel{padding:36px 20px 48px}.security-icon{width:58px;height:58px;border-radius:18px;font-size:26px}.lead{font-size:17px}.security-card{grid-template-columns:1fr}.security-card div{border-right:0;border-bottom:1px solid var(--line);padding:18px}.choice-grid,.choice-grid.five,.choice-grid.four{grid-template-columns:repeat(2,1fr)}.summary-card{grid-template-columns:1fr;text-align:center;padding:24px}.score{border-right:0;border-bottom:1px solid #385069;padding-bottom:20px}.result-grid{grid-template-columns:1fr}.rewrite{grid-template-columns:1fr}.rewrite>b{transform:rotate(90deg);text-align:center}.bar-row{grid-template-columns:90px 1fr 32px}.mobile-only{display:block}}

/* Refined interface layer */
:root{--navy:#0a1628;--navy2:#132a45;--cyan:#59d7ff;--blue:#1677ff;--ink:#0f1c2e;--muted:#6b788c;--line:#e4e9f0;--soft:#f6f8fb}
body{background:#edf1f5;background-image:radial-gradient(circle at 15% 0,rgba(89,215,255,.13),transparent 28%),radial-gradient(circle at 90% 90%,rgba(22,119,255,.08),transparent 26%)}
.shell{width:min(1100px,calc(100% - 48px));margin:24px auto;border:0;border-radius:26px;box-shadow:0 30px 90px rgba(15,28,46,.12),0 2px 10px rgba(15,28,46,.05);min-height:calc(100vh - 48px)}
.topbar{height:82px;padding:0 40px;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);position:relative;z-index:2}
.brand-mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(145deg,#132a45,#071321);box-shadow:0 8px 18px rgba(7,19,33,.16);font-size:13px}
.brand b{font-size:15px;letter-spacing:.08em}.brand small{font-size:11px;letter-spacing:.02em}
.step-indicator{background:var(--soft);padding:8px 10px 8px 12px;border-radius:999px;font-weight:700}.step-indicator i{width:104px;height:4px;background:#dce3eb}.step-indicator em{background:linear-gradient(90deg,#1677ff,#59d7ff)}
.panel{padding:58px clamp(34px,7vw,92px) 70px;max-width:1000px;margin:0 auto}
.eyebrow{margin-bottom:14px;color:#0878c3;font-size:11px;letter-spacing:.18em}.panel h1{font-size:clamp(32px,4.2vw,48px);font-weight:800;letter-spacing:-.055em}.lead{font-size:19px;color:#526176;margin-top:18px}.sub{font-size:16px;margin-top:10px;margin-bottom:42px}
.security-icon{width:72px;height:72px;border-radius:22px;background:linear-gradient(145deg,#102b48,#071321);box-shadow:0 16px 36px rgba(7,20,39,.18);font-size:30px}
.security-card{gap:12px;border:0;border-radius:0;overflow:visible}.security-card div{position:relative;padding:24px 22px 22px;border:1px solid var(--line)!important;border-radius:16px;background:linear-gradient(180deg,#fff,#fbfcfe);box-shadow:0 7px 20px rgba(19,36,58,.045)}
.security-card div:before{content:"";display:block;width:26px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--blue),var(--cyan));margin-bottom:18px}.security-card strong{font-size:15px;margin-bottom:8px}.security-card span{font-size:13px;line-height:1.7}
.notice{margin-top:18px;padding:14px 17px;border:1px solid #e8edf3;background:#f8fafc;border-radius:12px;color:#718095;line-height:1.55}
.agree{width:max-content;max-width:100%;padding:11px 14px;margin:22px 0 16px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:14px}.agree input{width:18px;height:18px}
.field{margin:0 0 34px;padding-top:2px}.field h2{font-size:15px;letter-spacing:-.02em;margin-bottom:13px}
.choice-grid{gap:11px}.choice-grid button{position:relative;min-height:58px;padding:12px 14px;border-color:#e1e7ee;border-radius:13px;background:#fff;color:#405067;font-size:14px;font-weight:650;box-shadow:0 2px 6px rgba(15,28,46,.025);transition:border-color .18s,background .18s,transform .18s,box-shadow .18s}
.choice-grid button:hover{border-color:#9bc9ff;background:#f8fbff;transform:translateY(-1px);box-shadow:0 7px 16px rgba(22,119,255,.07)}
.choice-grid button.selected{border-color:#1677ff;background:linear-gradient(145deg,#f4f9ff,#eaf4ff);color:#0864cc;box-shadow:0 0 0 1px rgba(22,119,255,.35),0 8px 18px rgba(22,119,255,.09)}
.choice-grid button.selected:after{content:"✓";position:absolute;right:9px;top:8px;width:18px;height:18px;display:grid;place-items:center;border-radius:50%;background:#1677ff;color:#fff;font-size:10px;font-weight:900}
textarea{height:100px;border-color:#e1e7ee;border-radius:14px;padding:16px 17px;background:#fbfcfd;line-height:1.6;transition:.2s}textarea:focus{background:#fff;box-shadow:0 0 0 4px rgba(22,119,255,.09)}
.actions{margin-top:42px;padding-top:24px;border-top:1px solid #edf0f4}.primary,.ghost{min-height:52px;border-radius:13px;padding:0 26px;font-size:14px}.primary{background:linear-gradient(135deg,#102b48,#071321);box-shadow:0 12px 26px rgba(7,20,39,.17)}.primary:hover:not(:disabled){background:linear-gradient(135deg,#173b60,#0a1d32);box-shadow:0 15px 30px rgba(7,20,39,.21)}.ghost{border-color:#dfe5ec;background:#fff}.ghost:hover{background:#f7f9fb}
.upload{min-height:290px;border:1.5px dashed #aec0d3;border-radius:22px;background:linear-gradient(145deg,#f9fbfd,#f2f6fa);box-shadow:inset 0 0 0 5px rgba(255,255,255,.7)}.upload:hover,.upload.drag{border-color:#1677ff;background:linear-gradient(145deg,#f7fbff,#eaf4ff);box-shadow:inset 0 0 0 5px rgba(255,255,255,.6),0 15px 34px rgba(22,119,255,.08)}.upload-icon{width:62px;height:62px;border-radius:19px;background:linear-gradient(145deg,#fff,#f0f5fa);font-size:29px;box-shadow:0 12px 26px rgba(15,28,46,.09)}.upload strong{font-size:17px}.file-preview{padding:14px 17px;border-radius:13px;border-color:#b9e7ce;background:#f3fbf7;font-size:14px}
.loading{background:rgba(7,17,30,.94);backdrop-filter:blur(10px)}.scan-doc{border-color:#55718d;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.22)}
.result-panel{max-width:1040px;padding-top:46px}.result-head{align-items:center}.summary-card{margin:30px 0 20px;grid-template-columns:170px 1fr;gap:32px;padding:34px;border-radius:22px;background:linear-gradient(135deg,#0b1a2e,#102d49);box-shadow:0 18px 38px rgba(7,20,39,.17)}.score strong{font-size:68px;letter-spacing:-.06em}.score{border-color:#38516c}.status{padding:6px 11px;background:rgba(255,255,255,.12);color:#8ce0ff}.summary-card h2{font-size:22px;letter-spacing:-.035em;line-height:1.45}.result-grid{gap:14px}.result-grid article,.scores{border-color:#e3e8ef;border-radius:18px;padding:24px;background:#fff;box-shadow:0 6px 20px rgba(15,28,46,.04)}.result-grid h3,.scores h3{font-size:16px}.result-grid li{padding-left:4px;color:#4b5a6d}.scores{margin-top:14px}.bar{height:7px;background:#edf1f5}.bar i{background:linear-gradient(90deg,#1777f2,#56d3ff)}.rewrite{margin-top:14px;border-color:#e3e8ef;border-radius:18px;padding:24px;background:#fff;box-shadow:0 6px 20px rgba(15,28,46,.04)}.recommended{background:linear-gradient(145deg,#f1f8ff,#e8f4ff);border:1px solid #d8ebff;border-radius:13px}.prototype-note{padding-top:4px}
@media(max-width:760px){body{background:#fff}.shell{width:100%;margin:0;border-radius:0;box-shadow:none}.topbar{height:72px;padding:0 16px;position:sticky;top:0}.brand-mark{width:40px;height:40px}.brand small{display:none}.step-indicator{padding:7px 9px}.step-indicator i{width:56px}.panel{padding:34px 20px 50px}.panel h1{font-size:32px}.security-icon{width:54px;height:54px;border-radius:17px}.security-card{gap:9px}.security-card div{padding:18px}.security-card div:before{margin-bottom:12px}.choice-grid,.choice-grid.five,.choice-grid.four{gap:8px}.choice-grid button{min-height:54px;padding:10px 9px;font-size:13px}.actions{position:sticky;bottom:0;margin:34px -20px -50px;padding:14px 20px 18px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);z-index:3}.actions .primary{flex:1}.upload{min-height:250px}.summary-card{grid-template-columns:1fr;gap:20px;padding:25px}.result-grid article,.scores,.rewrite{padding:20px}.result-head{align-items:flex-start}}