:root{--ink:#17212b;--muted:#6c7783;--line:#dde4ea;--paper:#fff;--blue:#2463eb;--blue-dark:#1649b5;--wash:#eef4ff;--green:#127a52;--red:#b33a3a}*{box-sizing:border-box}html{min-height:100%;background:#f3f6f9}body{margin:0;min-height:100vh;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 15% 0%,#e8f0ff 0,transparent 34rem),#f3f6f9}button,input{font:inherit}button,.download-button,.file-picker{transition:transform .15s ease,box-shadow .15s ease,background .15s ease}button:active,.download-button:active,.file-picker:active{transform:translateY(1px)}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(100%,430px);padding:44px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.94);box-shadow:0 24px 70px rgba(24,50,78,.12)}.brand-mark{width:56px;height:56px;display:grid;place-items:center;color:white;background:var(--blue);border-radius:17px;box-shadow:0 9px 24px rgba(36,99,235,.28);font-size:1.8rem}.brand-mark.small{width:38px;height:38px;border-radius:12px;box-shadow:none;font-size:1.25rem}.eyebrow{margin:28px 0 8px;color:var(--blue);font-size:.78rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}h1{margin:0;font-size:clamp(2rem,5vw,3rem);line-height:1.05;letter-spacing:-.04em}.lede{margin:12px 0 0;color:var(--muted);font-size:1rem;line-height:1.6}.login-form{display:grid;gap:18px;margin-top:30px}label{display:grid;gap:8px;font-size:.9rem;font-weight:700}.login-form input{width:100%;min-height:48px;padding:0 14px;border:1px solid #cdd6de;border-radius:11px;background:white;outline:none}.login-form input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(36,99,235,.14)}button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:0 18px;color:white;font-weight:800;border:0;border-radius:11px;background:var(--blue);cursor:pointer}button:hover{background:var(--blue-dark);box-shadow:0 8px 20px rgba(36,99,235,.2)}.message{margin-top:22px;padding:12px 14px;border-radius:10px;font-size:.92rem;font-weight:650}.message.error{color:var(--red);background:#fff0f0;border:1px solid #ffd2d2}.message.success{color:var(--green);background:#e9f8f1;border:1px solid #c3ebd8}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1080px)/2));border-bottom:1px solid var(--line);background:rgba(255,255,255,.88);backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:12px;font-weight:850;letter-spacing:-.02em}.ghost-button{min-height:40px;color:#4f5c69;background:transparent;font-weight:700}.ghost-button:hover{color:var(--ink);background:#eef2f6;box-shadow:none}.workspace{width:min(1080px,calc(100% - 40px));margin:0 auto;padding:64px 0 80px}.intro-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px}.intro-row .eyebrow{margin-top:0}.file-count{min-width:150px;padding:18px 22px;border:1px solid #d5e0ef;border-radius:16px;background:rgba(255,255,255,.72)}.file-count strong{display:block;font-size:1.55rem}.file-count span{color:var(--muted);font-size:.83rem}.upload-card{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:18px;margin-top:40px;padding:22px;border:1px solid #cad9f2;border-radius:18px;background:linear-gradient(120deg,#fff 0%,#f4f8ff 100%);box-shadow:0 10px 30px rgba(39,74,119,.07)}.upload-icon{width:50px;height:50px;display:grid;place-items:center;color:var(--blue);border-radius:14px;background:var(--wash);font-size:1.8rem;font-weight:700}.upload-copy{display:grid;gap:4px}.upload-copy span{color:var(--muted);font-size:.84rem}.file-picker{display:block;max-width:220px;padding:12px 15px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:#334155;border:1px solid #ccd6e0;border-radius:10px;background:white;cursor:pointer}.file-picker:hover{border-color:#9eb2c8}.file-picker input{position:absolute;width:1px;height:1px;opacity:0}.files-section{margin-top:46px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px}.section-heading h2{margin:0;font-size:1.25rem;letter-spacing:-.02em}.section-heading span{color:var(--muted);font-size:.82rem}.file-list{overflow:hidden;border:1px solid var(--line);border-radius:17px;background:var(--paper);box-shadow:0 10px 35px rgba(31,52,73,.055)}.file-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:16px 18px;border-bottom:1px solid #e8edf1}.file-row:last-child{border-bottom:0}.file-row:hover{background:#f9fbfd}.file-type{width:40px;height:40px;display:grid;place-items:center;color:#5c6d7d;border-radius:11px;background:#edf1f5;font-size:1.35rem}.file-info{display:grid;min-width:0;gap:4px}.file-info strong{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:.95rem}.file-info span{color:var(--muted);font-size:.8rem}.download-button{display:inline-flex;align-items:center;gap:8px;padding:10px 13px;color:var(--blue);font-size:.86rem;font-weight:800;text-decoration:none;border-radius:9px;background:var(--wash)}.download-button:hover{background:#dfeaff}.empty-state{display:grid;place-items:center;gap:8px;padding:58px 20px;color:var(--muted);text-align:center;border:1px dashed #cbd5df;border-radius:17px;background:rgba(255,255,255,.55)}.empty-state strong{color:#334155}@media(max-width:720px){.login-card{padding:32px 24px}.workspace{width:min(100% - 28px,1080px);padding-top:40px}.intro-row{align-items:flex-start;flex-direction:column}.file-count{width:100%}.upload-card{grid-template-columns:auto 1fr}.upload-card .file-picker,.upload-card button{grid-column:1/-1;max-width:none;width:100%}.file-row{padding:14px 12px}.topbar{padding:0 14px}.ghost-button{padding:0 10px}.brand>span{font-size:.95rem}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}