:root{--background:#f7f7f3;--surface:#fff;--ink:#162019;--muted:#637066;--line:#dce2dc;--accent:#315f46;--accent-hover:#234532}*{box-sizing:border-box}html{background:var(--background)}body{color:var(--ink);background:var(--background);margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.5}a{color:inherit}.shell{min-height:100vh}.topbar{justify-content:space-between;align-items:center;max-width:1120px;margin:0 auto;padding:24px 32px;display:flex}.brand{letter-spacing:-.02em;font-size:1.05rem;font-weight:700;text-decoration:none}.nav{color:var(--muted);align-items:center;gap:20px;font-size:.94rem;display:flex}.nav a{text-decoration:none}.nav a:hover{color:var(--ink)}.add-content[aria-disabled=true]{color:#8a958c;cursor:not-allowed}.add-content{color:var(--accent);font-weight:700;text-decoration:none}.main{width:min(100% - 48px,920px);margin:0 auto;padding:92px 0}.hero{max-width:760px}.eyebrow{color:var(--accent);letter-spacing:.11em;text-transform:uppercase;margin:0 0 12px;font-size:.78rem;font-weight:700}h1,h2{letter-spacing:-.045em;margin:0;line-height:1.08}h1{max-width:740px;font-size:clamp(2.5rem,7vw,5rem)}h2{font-size:1.6rem}.lede{max-width:640px;color:var(--muted);margin:28px 0 0;font-size:1.15rem}.actions{flex-wrap:wrap;gap:12px;margin-top:36px;display:flex}.button{border:1px solid var(--line);border-radius:8px;justify-content:center;align-items:center;min-height:44px;padding:10px 16px;font-weight:700;text-decoration:none;display:inline-flex}.button-primary{border-color:var(--accent);color:#fff;background:var(--accent)}.button-primary:hover{background:var(--accent-hover)}.button-secondary{background:var(--surface)}.button-secondary:hover{border-color:#aeb8af}.milestone-card,.empty-state{border:1px solid var(--line);background:var(--surface);border-radius:14px;margin-top:88px;padding:32px}.milestone-card p:last-child{max-width:660px;color:var(--muted);margin:18px 0 0}.empty-state{max-width:760px}.empty-state .button,.upload-panel{margin-top:28px}.upload-status,.detail-note,.empty-copy{color:var(--muted);margin:14px 0 0}.source-list{gap:12px;margin:28px 0 80px;display:grid}.source-card{border:1px solid var(--line);background:var(--surface);border-radius:10px;justify-content:space-between;align-items:baseline;gap:20px;padding:18px 20px;text-decoration:none;display:flex}.source-card span{color:var(--muted);text-transform:capitalize;font-size:.92rem}.sign-in-form{gap:18px;max-width:360px;margin-top:28px;display:grid}.sign-in-form label{gap:6px;font-weight:700;display:grid}.sign-in-form input{border:1px solid var(--line);min-height:44px;font:inherit;border-radius:8px;padding:9px 11px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.transcript{gap:18px;margin-top:38px;display:grid}.segment{border-top:1px solid var(--line);grid-template-columns:58px 1fr;gap:14px;padding:14px 0;display:grid}.segment time{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:700}.segment p{margin:0}@media (max-width:640px){.topbar{padding:20px 24px}.nav{gap:14px}.main{width:min(100% - 40px,920px);padding:64px 0}.milestone-card,.empty-state{margin-top:64px;padding:24px}}