:root{color-scheme:light;--bg-top:#eef6ff;--bg-bottom:#f8efe4;--ink:#162033;--muted:#5b6577;--card:hsla(0,0%,100%,.84);--line:rgba(22,32,51,.12);--accent:#1565c0;--accent-strong:#0c4e99;--error:#c0392b;--success:#1e8449}*{box-sizing:border-box}body{background:radial-gradient(circle at top left,rgba(21,101,192,.16),transparent 28%),radial-gradient(circle at bottom right,rgba(216,141,62,.16),transparent 26%),linear-gradient(160deg,var(--bg-top),var(--bg-bottom));color:var(--ink);font-family:Aptos,Yu Gothic UI,Segoe UI Variable,sans-serif;margin:0;min-height:100vh}.shell{margin:0 auto;padding:48px 0 72px;width:min(920px,calc(100vw - 32px))}.hero{margin-bottom:28px}.eyebrow{color:var(--accent);font-size:.9rem;font-weight:700;letter-spacing:.14em;margin:0 0 12px;text-transform:uppercase}.hero h1{font-size:clamp(2.4rem,6vw,4.8rem);line-height:.94;margin:0;max-width:12ch}.lede{color:var(--muted);font-size:1.05rem;line-height:1.7;margin:18px 0 0;max-width:60ch}.panel{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:0 22px 50px #14223814;padding:28px}.dropzone{background:#ffffffb8;border:2px dashed rgba(21,101,192,.28);border-radius:22px;cursor:pointer;display:block;padding:36px 24px;transition:transform .16s ease,border-color .16s ease,background .16s ease}.dropzone:hover{background:#ffffffeb;border-color:#1565c080;transform:translateY(-1px)}.dropzone.is-dragging{background:#dfeefff5;border-color:#1565c0cc;box-shadow:inset 0 0 0 1px #1565c02e;transform:translateY(-2px)}.native-input{display:none}.dropzone-title{display:block;font-size:1.2rem;font-weight:700}.dropzone-meta{color:var(--muted);display:block;margin-top:8px}.format-switch{background:#ffffff9e;border:1px solid var(--line);border-radius:18px;margin:18px 0 0;padding:14px 16px}.format-switch legend{color:var(--muted);font-size:.92rem;font-weight:700;padding:0 8px}.format-option{align-items:center;display:flex;font-weight:600;gap:10px;margin-top:10px}.format-option:first-of-type{margin-top:0}.action{background:linear-gradient(135deg,var(--accent),var(--accent-strong));border:0;border-radius:999px;color:#fff;cursor:pointer;font:inherit;font-weight:700;margin-top:18px;padding:14px 20px}.action:disabled{cursor:wait;opacity:.55}.progress-panel{background:#ffffffad;border:1px solid var(--line);border-radius:20px;margin-top:22px;padding:18px}.progress-copy{align-items:center;color:var(--muted);display:flex;font-size:.95rem;gap:16px;justify-content:space-between}.progress-copy strong{color:var(--ink)}.progress-track{background:#1565c01f;border-radius:999px;height:12px;margin-top:12px;overflow:hidden}.progress-fill{background:linear-gradient(90deg,var(--accent),#57a3ff);border-radius:inherit;height:100%;transition:width .24s ease}.progress-fill.is-active{background-image:linear-gradient(90deg,#ffffff38,#fff0),linear-gradient(90deg,var(--accent),#57a3ff)}.step-list{display:grid;gap:10px;list-style:none;margin:16px 0 0;padding:0}.step-item{align-items:center;background:#16203308;border-radius:16px;display:grid;gap:12px;grid-template-columns:auto 1fr;padding:10px 12px}.step-badge{background:#1565c01f;border-radius:999px;color:var(--accent-strong);font-size:.82rem;font-weight:700;min-width:68px;padding:6px 10px;text-align:center}.step-text{display:grid;gap:2px}.step-text strong{font-size:.96rem}.step-text span{color:var(--muted);font-size:.88rem}.step-item.is-active{background:#1565c014}.step-item.is-done .step-badge,.step-item.is-skipped .step-badge{background:#1e844924;color:var(--success)}.step-item.is-pending{opacity:.7}.message{font-weight:600;margin:16px 0 0}.message.error{color:var(--error)}.message.success{color:var(--success)}.notes{color:var(--muted);line-height:1.7;margin-top:18px}.notes p{margin:4px 0}@media(max-width:720px){.shell{padding-top:28px}.panel{border-radius:22px;padding:18px}.dropzone{padding:28px 18px}.progress-copy{display:grid}}