:root{color-scheme:light;--ink:#172033;--muted:#697386;--line:#dce2ea;--surface:#fff;--primary:#246bfe;--primary-dark:#174fca;--danger:#a82424;--success:#17683a;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 15% 0,#dfeaff 0,transparent 34rem),#f4f7fb}.topbar{height:72px;padding:0 max(24px,calc((100vw - 880px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(220,226,234,.8);background:rgba(255,255,255,.8);backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:10px;font-weight:750;letter-spacing:-.02em}.brand__mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;color:#fff;background:linear-gradient(145deg,#246bfe,#7245df);box-shadow:0 8px 20px rgba(36,107,254,.24)}.page{width:min(880px,calc(100% - 32px));margin:0 auto;padding:72px 0}.page--center{min-height:100vh;display:grid;place-items:center;padding:32px}.hero{text-align:center;max-width:660px;margin:0 auto 34px}.eyebrow{margin:0 0 10px;color:var(--primary);font-size:.75rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.05;letter-spacing:-.045em;margin:0 0 16px}.muted{color:var(--muted);line-height:1.6}.card{background:var(--surface);border:1px solid rgba(220,226,234,.9);border-radius:24px;box-shadow:0 22px 65px rgba(28,44,75,.11)}.upload-card{padding:24px}.dropzone{min-height:270px;border:2px dashed #b9c5d6;border-radius:17px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px;cursor:pointer;transition:.2s ease;background:#fbfcfe}.dropzone:hover,.dropzone--active{border-color:var(--primary);background:#f4f8ff;transform:translateY(-1px)}.dropzone--selected{border-style:solid;border-color:#87aaf3}.dropzone input{position:absolute;width:1px;height:1px;opacity:0}.dropzone__icon{display:grid;place-items:center;width:54px;height:54px;margin-bottom:18px;border-radius:17px;font-size:1.6rem;color:var(--primary);background:#e9f0ff}.dropzone__title{font-size:1.1rem;font-weight:750;margin-bottom:4px}.filename{display:block;margin-top:16px;color:var(--primary-dark);font-weight:700;overflow-wrap:anywhere}.privacy{text-align:center;color:var(--muted);font-size:.86rem;margin:20px 0}.button{width:100%;min-height:50px;border:0;border-radius:13px;padding:0 22px;background:var(--primary);color:#fff;font:inherit;font-weight:750;cursor:pointer;box-shadow:0 9px 20px rgba(36,107,254,.2);transition:.2s}.button:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px)}.button:disabled{opacity:.48;cursor:not-allowed}.text-button{border:0;background:transparent;color:var(--muted);font:inherit;font-weight:650;cursor:pointer}.steps{display:flex;justify-content:center;gap:32px;margin-top:25px;color:var(--muted);font-size:.84rem}.steps span{display:flex;align-items:center;gap:8px}.steps b{display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:#e5ebf5;color:#536077}.alert{padding:16px 20px;margin:0 0 20px;border-radius:14px;line-height:1.45}.alert ul{margin:8px 0 0;padding-left:20px}.alert--error{color:var(--danger);background:#fff0f0;border:1px solid #f2c5c5}.alert--success{color:var(--success);background:#effbf4;border:1px solid #bee3ce}.login-card{width:min(430px,100%);padding:34px;display:grid;gap:28px}.login-card h1{font-size:2.2rem}.login-card .brand{margin-bottom:10px}.form{display:grid;gap:10px}.form label{font-size:.86rem;font-weight:700}.form input{height:48px;border:1px solid var(--line);border-radius:11px;padding:0 14px;font:inherit;margin-bottom:7px}.form input:focus{outline:3px solid #dce8ff;border-color:var(--primary)}.form .button{margin-top:8px}.spinner{display:none;width:17px;height:17px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.button--busy{display:flex;align-items:center;justify-content:center;gap:10px}.button--busy .spinner{display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:600px){.page{padding:48px 0}.upload-card{padding:14px}.dropzone{min-height:230px}.steps{align-items:flex-start;gap:12px;flex-direction:column;margin-left:20px}.login-card{padding:25px}}
.error-hint{margin:14px 0 0;padding-top:12px;border-top:1px solid #f2c5c5}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}