:root{
  --bg:#f7f7f4;--card:#fff;--ink:#161616;--muted:#6f716d;--line:#e4e4de;
  --accent:#5b5ce2;--accent-soft:#ececff;--good:#16794b;--warn:#a36500;--bad:#b93838;
  --shadow:0 8px 28px rgba(20,20,20,.06);--radius:20px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}
a{color:inherit}.shell{width:min(940px,calc(100% - 28px));margin:auto}.topbar{position:sticky;top:0;z-index:30;background:rgba(247,247,244,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(228,228,222,.8)}.nav{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{text-decoration:none;font-weight:850;letter-spacing:-.04em;font-size:20px}.brand b{color:var(--accent)}.navlinks{display:flex;gap:16px;align-items:center}.navlinks a{text-decoration:none;color:var(--muted);font-size:14px}.hero{padding:74px 0 30px;text-align:center}.eyebrow{display:inline-flex;gap:7px;align-items:center;padding:7px 11px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:750}.hero h1{font-size:clamp(38px,7vw,68px);line-height:1.03;letter-spacing:-.055em;margin:18px auto 18px;max-width:860px}.hero h1 span{color:var(--accent)}.hero p{font-size:clamp(16px,2.5vw,20px);color:var(--muted);max-width:650px;margin:0 auto}.trust{display:flex;justify-content:center;gap:14px 22px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:18px}.upload-panel{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:20px;box-shadow:var(--shadow);margin:28px auto 16px;max-width:780px}.dropzone{border:1.5px dashed #c7c7bf;border-radius:20px;padding:34px 18px;text-align:center;transition:.15s;background:#fbfbf9}.dropzone.drag{border-color:var(--accent);background:var(--accent-soft)}.dropzone h2{margin:8px 0 6px;font-size:21px;letter-spacing:-.03em}.dropzone p{margin:0 0 17px;color:var(--muted);font-size:14px}.btn{appearance:none;border:0;border-radius:14px;padding:13px 18px;font:inherit;font-weight:800;cursor:pointer;background:var(--ink);color:#fff;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.secondary{background:#efefea;color:var(--ink)}.btn.accent{background:var(--accent)}.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}.btn.small{padding:9px 12px;border-radius:11px;font-size:13px}.file-list{margin-top:14px;display:grid;gap:8px}.file-chip{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;text-align:left;font-size:13px}.file-chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.action-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:15px}.statusline{min-height:24px;text-align:center;color:var(--muted);font-size:13px;margin:8px 0}.errorbox{display:none;margin:14px auto;padding:12px 14px;border-radius:14px;background:#fff0f0;color:var(--bad);border:1px solid #ffd0d0;font-size:14px}.results{display:none;padding:24px 0 80px}.section-title{margin:36px 0 14px}.section-title h2{font-size:28px;letter-spacing:-.04em;margin:0 0 5px}.section-title p{margin:0;color:var(--muted)}.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.metric{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:17px;text-decoration:none;cursor:pointer;transition:.15s}.metric:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.metric .num{font-size:30px;font-weight:900;letter-spacing:-.04em}.metric .label{font-size:13px;color:var(--muted);margin-top:3px}.metric.change .num{color:var(--accent)}.actual-box{margin-top:12px;background:#171717;color:white;border-radius:20px;padding:18px;display:grid;grid-template-columns:1.4fr .8fr;gap:18px;align-items:center}.actual-box h3{margin:0 0 5px;font-size:18px}.actual-box p{margin:0;color:#bbb;font-size:13px}.actual-input{display:flex;gap:8px}.actual-input input{width:100%;min-width:0;border-radius:12px;border:1px solid #454545;background:#242424;color:white;padding:12px;font:inherit}.difference{grid-column:1/-1;display:none;padding:12px 14px;background:#2a2a2a;border-radius:12px;color:#ddd;font-size:13px}.tabs{display:flex;gap:7px;overflow:auto;padding:4px 0 10px;scrollbar-width:none;position:sticky;top:64px;z-index:20;background:var(--bg)}.tab{white-space:nowrap;border:1px solid var(--line);background:var(--card);padding:10px 13px;border-radius:999px;font:inherit;font-size:13px;font-weight:750;cursor:pointer}.tab.active{background:var(--ink);border-color:var(--ink);color:#fff}.toolbar{display:grid;grid-template-columns:1fr 150px;gap:8px;margin:9px 0 12px}.toolbar input,.toolbar select{width:100%;border:1px solid var(--line);border-radius:13px;background:var(--card);padding:12px;font:inherit;color:var(--ink)}.list{display:grid;gap:9px}.account-card{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:17px;padding:14px 14px 13px}.account-main{min-width:0}.account-link{display:block;text-decoration:none;min-width:0}.username{font-weight:850;letter-spacing:-.02em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sub{font-size:12px;color:var(--muted);margin-top:3px}.rename{font-weight:800}.rename .old{color:var(--muted);text-decoration:line-through;font-weight:650}.arrow{color:var(--accent);padding:0 5px}.badge{display:inline-flex;margin-top:7px;font-size:11px;padding:4px 7px;border-radius:999px;background:#f0f0eb;color:var(--muted);font-weight:750}.badge.high{background:#e9f7ef;color:var(--good)}.badge.medium{background:#fff3dd;color:var(--warn)}.card-controls{display:flex;gap:5px;align-items:center}.state-btn{border:1px solid var(--line);background:#fafaf7;padding:8px 9px;border-radius:10px;font-size:12px;cursor:pointer;color:var(--muted)}.state-btn.active{background:var(--accent-soft);color:var(--accent);border-color:#c9c9ff}.open-mark{font-size:18px;color:#999}.empty{padding:40px 15px;text-align:center;color:var(--muted);background:var(--card);border:1px dashed var(--line);border-radius:18px}.ad-wrap{margin:34px 0;min-height:0}.guides{padding:70px 0}.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.guide-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;text-decoration:none}.guide-card h3{margin:0 0 7px;letter-spacing:-.03em}.guide-card p{margin:0;color:var(--muted);font-size:14px}.faq{padding-bottom:70px}.faq details{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:14px 16px;margin:8px 0}.faq summary{cursor:pointer;font-weight:800}.faq details p{color:var(--muted);font-size:14px}.footer{border-top:1px solid var(--line);padding:28px 0 44px;color:var(--muted);font-size:12px}.footer-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer a{color:var(--muted)}.article{max-width:740px;margin:0 auto;padding:60px 0 90px}.article h1{font-size:42px;letter-spacing:-.045em;line-height:1.1}.article h2{margin-top:36px;letter-spacing:-.03em}.article p,.article li{color:#444}.article .lead{font-size:19px;color:var(--muted)}.notice{padding:13px 14px;background:var(--accent-soft);border-radius:14px;color:#40408d;font-size:14px}.modal-back{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:80;display:none;align-items:flex-end;justify-content:center}.modal{width:min(620px,100%);max-height:85vh;overflow:auto;background:var(--card);border-radius:24px 24px 0 0;padding:22px}.modal h3{margin:0 0 8px}.modal p{color:var(--muted);font-size:14px}.modal .close{width:100%;margin-top:10px}.progress{height:6px;background:#ecece7;border-radius:99px;overflow:hidden;margin-top:12px;display:none}.progress i{display:block;height:100%;width:0;background:var(--accent);transition:.2s}
@media(max-width:720px){.navlinks a:not(.keep){display:none}.hero{padding-top:48px}.summary-grid{grid-template-columns:repeat(2,1fr)}.actual-box{grid-template-columns:1fr}.actual-input{grid-column:1}.toolbar{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}.account-card{grid-template-columns:1fr}.card-controls{justify-content:flex-start;overflow:auto}.metric .num{font-size:27px}}
/* One-screen export flow */
.one-screen{max-width:780px;margin:28px auto 14px;background:var(--card);border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:var(--shadow);text-align:left}
.one-screen-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;padding:4px 4px 18px}
.one-screen-head h2{margin:5px 0 7px;font-size:25px;letter-spacing:-.04em;line-height:1.14}
.one-screen-head p{margin:0;color:var(--muted);font-size:14px;max-width:610px}
.mini-label{color:var(--accent);font-size:12px;font-weight:850;letter-spacing:-.01em}
.privacy-pill{flex:0 0 auto;background:#edf8f1;color:var(--good);border:1px solid #d7eddf;border-radius:999px;padding:7px 10px;font-size:11px;font-weight:800;white-space:nowrap}
.flow-steps{border-top:1px solid var(--line)}
.flow-step{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:18px 4px;border-bottom:1px solid var(--line);align-items:start}
.flow-step>b{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:13px}
.flow-step strong{display:block;font-size:16px;letter-spacing:-.025em;margin:2px 0 4px}
.flow-step p{margin:0 0 12px;color:var(--muted);font-size:13px}
.flow-step p em{font-style:normal;color:var(--ink);font-weight:750}
.choice-chips{display:flex;flex-wrap:wrap;gap:6px;margin:9px 0 10px}
.choice-chips span{font-size:12px;font-weight:750;background:var(--accent-soft);color:#4748b3;border-radius:999px;padding:6px 9px}
.btn.dark{background:var(--ink)}
.return-helper{display:none;margin-top:14px;background:#f1f1ff;border:1px solid #d8d8ff;border-radius:16px;padding:13px 14px;align-items:center;justify-content:space-between;gap:12px}
.return-helper.show{display:flex}
.return-helper strong{display:block;font-size:14px;margin-bottom:2px}
.return-helper span{display:block;color:#5d5e91;font-size:12px;line-height:1.45}
.browser-note{margin-top:12px;color:var(--muted);font-size:11.5px;line-height:1.5;padding:0 4px}
.browser-note strong{color:var(--ink)}
@media(max-width:720px){.one-screen{padding:17px;border-radius:22px}.one-screen-head{display:block}.privacy-pill{display:inline-flex;margin-top:12px}.flow-step{grid-template-columns:30px 1fr;padding:16px 2px}.wide-mobile{width:100%}.return-helper{position:sticky;bottom:8px;z-index:25;box-shadow:0 12px 34px rgba(20,20,20,.14)}.return-helper .btn{flex:0 0 auto}.browser-note{padding-bottom:2px}}

/* Device-specific export entry points */
.export-openers{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0 10px}
.opener-card{border:1px solid var(--line);background:#fafaf7;border-radius:16px;padding:14px}
.opener-label{display:flex;align-items:center;gap:7px;margin-bottom:10px}
.opener-label>span{font-size:18px}.opener-label>b{font-size:14px}.opener-label>small{color:var(--muted);font-size:11px;margin-left:auto}
.opener-actions{display:grid;gap:7px}.opener-actions .btn{width:100%;padding:11px 12px;font-size:13px}
.opener-help{margin:9px 2px 0!important;font-size:11px!important;line-height:1.55}.opener-help strong{color:var(--ink)}
.deep-link-note{font-size:11px;line-height:1.5;color:var(--muted);background:#f1f1ec;border-radius:11px;padding:10px 11px;margin-top:8px}
@media(max-width:720px){.export-openers{grid-template-columns:1fr}.desktop-opener{background:#fff}.opener-actions{grid-template-columns:1fr}.deep-link-note{font-size:11px}}

/* Privacy proof */
.privacy-proof{max-width:780px;margin:18px auto 0;padding:14px 16px;background:#f0f8f3;border:1px solid #d6eadc;border-radius:16px;text-align:left;display:grid;gap:4px}
.privacy-proof strong{font-size:13px;color:#145b3a}.privacy-proof span{font-size:12px;color:#557061;line-height:1.5}.privacy-proof a{font-size:12px;color:#145b3a;font-weight:800;text-decoration:none;margin-top:2px}

/* File selection feedback — visible from every ZIP entry point */
.inline-pick-feedback{display:none;margin-top:8px;font-size:12px;font-weight:800;color:var(--good)}
.inline-pick-feedback.show{display:block}
.top-file-status{display:none;margin-top:14px;border:1px solid #cfe7d8;background:#eef8f2;border-radius:17px;padding:14px;align-items:center;justify-content:space-between;gap:14px}
.top-file-status.show{display:flex}
.top-file-status strong{display:block;color:#145b3a;font-size:14px;margin-bottom:2px}
.top-file-status span{display:block;color:#557061;font-size:11.5px;line-height:1.45;max-width:470px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top-file-actions{display:flex;gap:7px;flex:0 0 auto}.top-file-actions .btn{padding:10px 12px;font-size:12px}
.zip-picker-label{transition:.15s}.zip-picker-label:has(+ input){}

/* Smart clean — primary result experience */
.smart-clean-card{margin:8px 0 14px;background:linear-gradient(135deg,#171717,#27273a);color:#fff;border-radius:22px;padding:20px;display:grid;grid-template-columns:1.3fr 1fr auto;gap:18px;align-items:center;box-shadow:var(--shadow)}
.smart-clean-copy h3{margin:3px 0 5px;font-size:24px;letter-spacing:-.04em}.smart-clean-copy p{margin:0;color:#c7c7ce;font-size:13px;max-width:480px}.smart-kicker{display:inline-flex;background:#ececff;color:#4b4cc4;border-radius:999px;padding:4px 7px;font-size:10px;font-weight:900}
.smart-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.smart-stats>div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:9px 10px}.smart-stats b{display:block;font-size:21px;line-height:1}.smart-stats span{display:block;color:#c3c3ca;font-size:10.5px;margin-top:4px}.smart-clean-card .btn:disabled{opacity:.55;cursor:default}

@media(max-width:720px){
 .top-file-status.show{display:grid}.top-file-status span{white-space:normal}.top-file-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}.top-file-actions .btn{width:100%}
 .smart-clean-card{grid-template-columns:1fr;padding:17px;gap:13px;text-align:left}.smart-stats{grid-template-columns:repeat(4,1fr);gap:5px}.smart-stats>div{padding:8px 6px}.smart-stats b{font-size:18px}.smart-stats span{font-size:9.5px}.smart-clean-card .btn{width:100%}
}