:root{--bg:#f4f7f5;--panel:#fff;--panel-soft:#eef4f2;--ink:#17211f;--muted:#64716d;--line:#d9e2df;--brand:#123b40;--accent:#287869;--accent-strong:#1d5f53;--danger:#b9412c;--danger-soft:#fff0ed;--success:#1e6f50;--success-soft:#ecf8f1;--shadow:0 18px 45px #123b401f;--font-sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;color:var(--ink);background:var(--bg);font-family:var(--font-sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.45}*{box-sizing:border-box}html{background:var(--bg);min-width:320px}body{min-width:320px;min-height:100svh;margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}#root,.login-shell,.admin-shell{min-height:100svh}.login-shell{place-items:center;padding:32px 16px;display:grid}.login-panel,.side-panel,.list-panel,.summary-item{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.login-panel{width:min(100%,460px);padding:28px}.login-brand,.brand{align-items:center;gap:14px;display:flex}.login-brand{margin-bottom:24px}.brand-mark{background:var(--brand);color:#fff;border-radius:8px;flex:none;place-items:center;width:44px;height:44px;font-weight:800;display:inline-grid}.eyebrow{color:var(--muted);letter-spacing:0;text-transform:uppercase;margin:0 0 2px;font-size:.78rem;font-weight:700}h1,h2,p{margin:0}h1{font-size:1.75rem;line-height:1.15}h2{font-size:1.15rem;line-height:1.2}.stack-form{gap:14px;margin-top:14px;display:grid}.field{gap:6px;min-width:0;display:grid}.field span{color:var(--muted);font-size:.82rem;font-weight:700}.field input,.field textarea{border:1px solid var(--line);width:100%;min-width:0;color:var(--ink);background:#fff;border-radius:6px;outline:none;padding:11px 12px}.field 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td{border-bottom:0}.muted{color:var(--muted)}.mono{font-family:var(--font-mono);font-size:.78rem}.table-actions{flex-wrap:wrap;gap:8px;display:flex}@media (width<=900px){.admin-shell{padding:14px}.topbar,.list-header{flex-direction:column;align-items:stretch}.session-box{justify-content:space-between}.summary-grid,.work-area{grid-template-columns:1fr}.search-field{width:100%}}@media (width<=520px){.login-panel{padding:20px}.brand,.login-brand{align-items:flex-start}.brand-mark{width:40px;height:40px}}