:root{--background:#f6f7f4;--foreground:#1c2430;--muted:#687281;--panel:#fff;--line:#dde2dc;--primary:#d94f2b;--teal:#12746d;--sky:#2f6f93;--danger:#b42318;--shadow:0 16px 36px #1c24301a}*{box-sizing:border-box}html{background:var(--background);min-height:100%}body{min-height:100%;color:var(--foreground);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}.app-shell{min-height:100vh;padding:18px 16px 24px}.hero-band{color:var(--foreground);background:0 0;padding:12px 0 18px}.hero-inner{width:min(100%,520px);margin:0 auto}.eyebrow{color:var(--teal);text-transform:uppercase;margin:0 0 8px;font-size:.78rem;font-weight:800}h1,h2,p{margin:0}h1{letter-spacing:0;font-size:1.95rem;line-height:1.1}.lead{max-width:23rem;color:var(--muted);margin-top:10px;font-size:.98rem;line-height:1.55}.upload-panel,.done-panel{border:1px solid var(--line);background:var(--panel);width:min(100%,520px);box-shadow:var(--shadow);border-radius:8px;margin:0 auto;padding:18px}.done-panel{text-align:center;justify-items:center;gap:12px;padding:36px 20px;display:grid}.done-icon{width:48px;height:48px;color:var(--teal)}.done-panel h2{font-size:1.35rem}.thanks{color:var(--muted)}.form-section{border-bottom:1px solid var(--line);padding:18px 0}.form-section:first-child{padding-top:0}.form-section h2{font-size:1rem}.section-title-row{justify-content:space-between;align-items:center;gap:12px;min-height:36px;display:flex}.contributor-section{gap:10px;display:grid}.contributor-name{color:#fff;background:var(--teal);overflow-wrap:anywhere;border-radius:8px;width:fit-content;max-width:100%;padding:8px 12px;font-weight:700}.name-editor{grid-template-columns:1fr auto;gap:8px;display:grid}.name-editor input{border:1px solid var(--line);min-width:0;height:46px;color:var(--foreground);background:#fff;border-radius:8px;padding:0 12px}.name-editor input:focus{border-color:var(--teal);outline:2px solid #0f766e2e}.save-button,.icon-text-button,.icon-button,.file-picker,.primary-button{cursor:pointer;border:0;border-radius:8px;justify-content:center;align-items:center;font-weight:700;display:inline-flex}.save-button{color:#fff;background:var(--sky);height:46px;padding:0 14px}.icon-text-button{min-height:36px;color:var(--teal);background:#0f766e1a;gap:6px;padding:0 10px}.icon-text-button svg,.icon-button svg,.file-picker svg,.primary-button svg{flex:none;width:18px;height:18px}.icon-button{width:38px;height:38px;color:var(--danger);background:#b4231814}.segmented-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px;display:grid}.source-option{border:1px solid var(--line);width:100%;min-height:94px;color:var(--foreground);text-align:left;background:#fff;border-radius:8px;grid-template-columns:1fr;gap:9px;padding:12px;display:grid}.source-option strong,.source-option small{display:block}.source-option small{color:var(--muted);margin-top:5px;font-size:.78rem;line-height:1.35}.source-option.selected{border-color:var(--primary);background:#e94f3714}.radio-dot{border:2px solid #98a2b3;border-radius:50%;width:16px;height:16px;margin-top:2px}.source-option.selected .radio-dot{border:5px solid var(--primary);background:#fff}.file-input{display:none}.file-picker{border:1px dashed var(--sky);width:100%;min-height:58px;color:var(--sky);background:#2563eb14;gap:8px;margin-top:12px}.selected-summary{background:#f1f4f9;border-radius:8px;justify-content:space-between;align-items:baseline;gap:12px;margin-top:14px;padding:12px;display:flex}.selected-summary span{color:var(--muted)}.selected-summary strong{font-size:1.25rem}.file-list{gap:8px;margin-top:12px;display:grid}.file-row{border:1px solid var(--line);background:#fff;border-radius:8px;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:9px 10px;font-size:.86rem;display:grid}.file-row span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.file-row small{color:var(--muted)}.error-message{color:var(--danger);background:#b4231814;border:1px solid #b4231838;border-radius:8px;margin-top:14px;padding:10px 12px;font-size:.9rem;line-height:1.45}.primary-button{color:#fff;background:var(--primary);gap:8px;width:100%;min-height:54px;padding:0 18px}.primary-button:disabled{cursor:not-allowed;background:#b7becb}.submit-button{margin-top:16px}.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (min-width:640px){.app-shell{padding-top:30px;padding-bottom:40px}.hero-band{padding-bottom:20px}h1{font-size:2.3rem}}