:root{--ink:#14283d;--muted:#63758a;--line:#d9e4ee;--brand:#12608f;--dark:#0b3c5f;--soft:#f3f7fb;--red:#b42318;--shadow:0 18px 45px #17324d18}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#eef5fa,#f8fafc 45%,#eef6f2);color:var(--ink);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}header{display:flex;justify-content:space-between;align-items:center;gap:20px;background:linear-gradient(115deg,var(--dark),#176b91);color:#fff;padding:26px max(22px,calc((100% - 1120px)/2));box-shadow:0 6px 22px #0b3c5f33}main{max-width:1120px;margin:auto;padding:30px 20px 60px}.eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;opacity:.75;font-weight:800}h1{margin:7px 0 4px;font-size:clamp(25px,4vw,38px);letter-spacing:-.03em}h2{margin:0 0 5px}.muted{color:var(--muted)}header p{margin:0;color:#d8edf8}.back{color:#d8edf8;text-decoration:none;font-weight:700}.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:22px}.auth-page{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(440px,100%)}form{display:grid;gap:14px;margin-top:22px}label{display:grid;gap:6px;font-weight:700}input{font:inherit;border:1px solid var(--line);border-radius:9px;padding:11px 12px;background:#fbfdff}button,.button{font:inherit;border:0;border-radius:9px;padding:10px 15px;cursor:pointer;font-weight:750;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.primary{background:var(--brand);color:#fff}.secondary{background:#eaf1f6;color:var(--ink)}.ghost{background:#ffffff18;color:#fff;border:1px solid #ffffff55}.alert{padding:10px 12px;border-radius:8px;margin-top:17px}.error{background:#fff0ef;color:var(--red)}.section-head{display:flex;justify-content:space-between;align-items:start}.file-list{display:grid;gap:10px;margin-top:20px}.file-row{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fbfdff}.file-main{display:grid;gap:3px;min-width:0}.file-main strong{word-break:break-all}.actions{display:flex;gap:8px;flex-wrap:wrap}.empty{text-align:center;color:var(--muted);padding:42px 10px}.viewer-card{padding:18px}.top-actions{margin-bottom:14px}.pdf-frame{width:100%;height:min(78vh,900px);min-height:600px;border:1px solid var(--line);border-radius:10px;background:#f2f5f8}@media(max-width:650px){header{align-items:start;flex-direction:column}.file-row{align-items:start;flex-direction:column}.actions{width:100%}.actions .button{flex:1}.pdf-frame{min-height:500px}}