:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#17202a;--muted:#5d6975;--line:#d8dee7;--paper:#f7f8fa;--panel:#fff;--blue:#1f6feb;--green:#287d55;--red:#b42318;--gold:#a66b00;--shadow:0 18px 50px #16202a1f}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--paper);color:var(--ink);letter-spacing:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.shell{grid-template-columns:minmax(280px,340px) minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);background:#eef3f8;flex-direction:column;gap:18px;padding:24px;display:flex}.brand{align-items:center;gap:14px;min-width:0;display:flex}.brandMark{background:var(--ink);color:#fff;border-radius:8px;flex:0 0 52px;place-items:center;width:52px;height:52px;font-weight:800;display:grid}.eyebrow{color:var(--muted);text-transform:uppercase;margin:0 0 4px;font-size:.78rem;font-weight:700}h1,h2{letter-spacing:0;margin:0}h1{font-size:1.35rem;line-height:1.15}h2{font-size:1.15rem;line-height:1.25}.panel{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:16px}.panelTitle{color:var(--ink);align-items:center;gap:8px;margin-bottom:12px;font-weight:750;display:flex}.metricGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.metricGrid div{background:#fbfcfe;border:1px solid #e2e7ee;border-radius:6px;min-width:0;padding:10px}.metricGrid span,.messageLabel{color:var(--muted);font-size:.78rem;font-weight:700;display:block}.metricGrid strong{overflow-wrap:anywhere;margin-top:3px;font-size:.9rem;display:block}.starterList{gap:8px;display:grid}.starterButton{border:1px solid var(--line);width:100%;min-height:42px;color:var(--ink);text-align:left;background:#fff;border-radius:6px;align-items:center;gap:9px;padding:9px 11px;display:flex}.starterButton:hover{border-color:var(--blue)}.chat{grid-template-rows:auto 1fr auto auto;min-width:0;max-height:100vh;display:grid}.chatHeader{border-bottom:1px solid var(--line);background:#ffffffeb;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;display:flex}.statusPill{color:var(--green);background:#eefaf3;border:1px solid #b8d6c7;border-radius:999px;flex:none;padding:7px 10px;font-size:.82rem;font-weight:800}.messages{flex-direction:column;gap:14px;padding:24px;display:flex;overflow-y:auto}.message{border:1px solid var(--line);background:#fff;border-radius:8px;width:min(760px,88%);padding:14px 16px;box-shadow:0 8px 24px #16202a0f}.message.student{background:#f4f7ff;border-color:#bdd0f4;align-self:flex-end}.message.coach{align-self:flex-start}.message p{white-space:pre-wrap;overflow-wrap:anywhere;margin:6px 0 0;line-height:1.5}.message.pending p{color:var(--muted);align-items:center;gap:8px;display:flex}.message.pending svg{animation:1s linear infinite spin}.errorBanner{color:var(--red);background:#fff4f2;border:1px solid #f2b8b5;border-radius:8px;margin:0 24px 12px;padding:10px 12px;font-weight:700}.composer{border-top:1px solid var(--line);background:#fff;grid-template-columns:minmax(0,1fr) 52px;gap:10px;padding:16px 24px 20px;display:grid}.composer textarea{resize:vertical;width:100%;min-height:58px;max-height:180px;color:var(--ink);border:1px solid #cbd4df;border-radius:8px;padding:12px 14px;line-height:1.45}.composer textarea:focus{border-color:var(--blue);outline:3px solid #1f6feb29}.composer button{background:var(--blue);color:#fff;border:0;border-radius:8px;align-self:end;place-items:center;width:52px;height:52px;display:grid}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width:860px){.shell{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line)}.chat{min-height:680px;max-height:none}}@media (max-width:560px){.sidebar,.chatHeader,.messages,.composer{padding-left:14px;padding-right:14px}.chatHeader{flex-direction:column;align-items:flex-start}.metricGrid{grid-template-columns:1fr}.message{width:100%}}