:root{--bg:#f5f7fb;--card:#fff;--text:#182230;--muted:#687386;--line:#e4e8ef;--primary:#315efb;--danger:#d64545}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif}.nav{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 1160px)/2));}.brand{font-size:21px;font-weight:800;color:var(--text);text-decoration:none}.brand span{color:var(--primary)}.navlinks{display:flex;align-items:center;gap:22px}.nav a{color:var(--text);text-decoration:none}.container{max-width:1160px;margin:auto;padding:44px 24px;min-height:calc(100vh - 130px)}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center;padding:75px 0}.eyebrow{font-size:12px;font-weight:800;letter-spacing:1.8px;color:var(--primary);margin-bottom:12px}.hero h1{font-size:58px;line-height:1.04;margin:0 0 22px}.hero h1 span{color:var(--primary)}.hero p{font-size:18px;color:var(--muted);line-height:1.7;max-width:620px}.actions{display:flex;gap:12px;margin-top:30px}.btn{display:inline-block;border:0;border-radius:9px;background:var(--primary);color:#fff!important;padding:12px 19px;font-weight:700;text-decoration:none;cursor:pointer}.btn.outline{background:transparent;color:var(--primary)!important;border:1px solid #ccd5ff}.btn.small{padding:9px 14px}.btn.full{width:100%;margin-top:18px}.hero-card,.upload-card,.table-card,.auth-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 30px #1720330b}.hero-card{padding:22px}.fake-row{display:flex;justify-content:space-between;padding:12px 0}.fake-row span{color:var(--muted)}.url{background:#f2f5fa;border-radius:8px;padding:14px;margin:16px 0;font-size:13px;word-break:break-all}.copy-demo{border:0;background:#eef2ff;color:var(--primary);padding:10px 14px;border-radius:7px;font-weight:700}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.features>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.features p{color:var(--muted);line-height:1.6}.auth-card{max-width:440px;margin:30px auto;padding:32px}.auth-card h2{margin-top:0}.muted{color:var(--muted)}.center{text-align:center}label{display:block;font-weight:700;font-size:14px;margin:17px 0 7px}input{width:100%;border:1px solid #d8dee8;border-radius:8px;padding:12px;font:inherit;background:#fff}.alert,.success{padding:12px 14px;border-radius:8px;margin:15px 0}.alert{background:#fff0f0;color:#a92727}.success{background:#edfaf2;color:#19733b}.dash-head{display:flex;justify-content:space-between;align-items:center}.dash-head h2{margin:0 0 20px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:10px 0 24px}.stats div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.stats strong{display:block;font-size:25px}.stats span{color:var(--muted);font-size:13px}.upload-card,.table-card{padding:24px;margin-bottom:22px}.upload-card h3,.table-card h3{margin-top:0}.file-input{display:none}.drop{border:2px dashed #cbd3e2;border-radius:12px;text-align:center;padding:28px;margin:10px 0 15px;color:var(--muted);cursor:pointer}.drop:hover{border-color:var(--primary)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px 10px;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:12px;text-transform:uppercase;color:var(--muted)}td small{display:block;color:var(--muted);margin-top:4px}.urlbox{min-width:240px;padding:8px;font-size:12px}.actions-cell{white-space:nowrap}.linkbtn,.danger{border:0;background:none;color:var(--primary);cursor:pointer;text-decoration:none;margin-right:8px}.danger{color:var(--danger)}.table-wrap{overflow-x:auto}footer{text-align:center;color:var(--muted);font-size:13px;padding:24px;border-top:1px solid var(--line)}@media(max-width:800px){.hero{grid-template-columns:1fr;padding:40px 0}.hero h1{font-size:42px}.features{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.nav{padding:0 18px}.navlinks{gap:10px}.container{padding:30px 16px}}