:root{--bg:#f6f7f2;--surface:#ffffff;--surface-soft:#eef4f0;--ink:#17201c;--muted:#617069;--line:#d8e0da;--accent:#126b5d;--accent-strong:#0c4f45;--accent-soft:#d9ebe6;--warn:#8a4b12;--shadow:0 18px 60px rgba(20,36,31,0.12)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:linear-gradient(135deg,rgba(18,107,93,.11),transparent 34%),linear-gradient(315deg,rgba(78,113,150,.12),transparent 30%),var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{border:0}a{color:inherit}.page-shell{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:48px 0}.topbar{justify-content:space-between;gap:16px;margin-bottom:32px}.brand,.topbar{display:flex;align-items:center}.brand{gap:12px;min-width:0}.brand-mark{display:grid;width:42px;height:42px;place-items:center;border-radius:8px;background:var(--accent);color:#ffffff;box-shadow:var(--shadow)}.brand h1{margin:0;font-size:22px;line-height:1.15}.brand p,.muted{margin:4px 0 0;color:var(--muted);font-size:14px}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:32px 16px}.auth-panel,.download-panel{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.auth-panel{width:min(460px,100%);padding:32px}.auth-panel h1{margin:18px 0 8px;font-size:28px;line-height:1.1}.auth-form{display:grid;grid-gap:12px;gap:12px;margin-top:28px}.field-label{color:var(--muted);font-size:13px;font-weight:700;text-transform:uppercase}.code-input{width:100%;min-height:48px;border:1px solid var(--line);border-radius:8px;padding:0 14px;background:#ffffff;color:var(--ink);outline:none}.code-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.ghost-button,.icon-button,.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;border-radius:8px;cursor:pointer;font-weight:700;transition:transform .14s ease,background .14s ease,border-color .14s ease}.primary-button{padding:0 16px;background:var(--accent);color:#ffffff}.primary-button:hover{background:var(--accent-strong)}.primary-button:disabled{cursor:not-allowed;opacity:.55}.ghost-button,.icon-button{border:1px solid var(--line);background:#ffffff;color:var(--ink)}.ghost-button{padding:0 14px}.icon-button{width:40px;padding:0}.ghost-button:hover,.icon-button:hover{border-color:var(--accent);background:var(--surface-soft)}.error{min-height:20px;margin:0;color:#a12828;font-size:14px}.download-panel{overflow:hidden}.download-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid var(--line);background:rgba(238,244,240,.8)}.selection-actions,.toolbar-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.count-pill{min-width:112px;padding:9px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-size:13px;font-weight:800;text-align:center}.file-list{display:grid}.group{border-bottom:1px solid var(--line)}.group:last-child{border-bottom:0}.row{display:grid;grid-template-columns:28px minmax(0,1fr) auto;grid-gap:12px;gap:12px;align-items:center;min-height:58px;padding:10px 20px}.group-row{background:#ffffff}.file-row{padding-left:58px;background:rgba(255,255,255,.68)}.checkbox{width:18px;height:18px;accent-color:var(--accent)}.file-name{min-width:0;font-weight:800;overflow-wrap:anywhere}.file-meta{margin-top:4px;color:var(--muted);font-size:13px}.file-actions{display:flex;align-items:center;gap:8px}.warning{display:flex;gap:10px;align-items:flex-start;margin-top:16px;color:var(--warn);font-size:14px;line-height:1.5}@media (max-width:720px){.page-shell{width:min(100% - 24px,1120px);padding:28px 0}.download-toolbar,.topbar{align-items:stretch;flex-direction:column}.row{grid-template-columns:28px minmax(0,1fr)}.file-actions{grid-column:2;justify-content:flex-start}.file-row{padding-left:20px}.selection-actions,.toolbar-actions{width:100%}.ghost-button,.primary-button{flex:1 1}}