:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f7f4ed;--panel:#fffdf8;--ink:#20252a;--muted:#62706d;--line:#ded8cb;--teal:#16746a;--teal-dark:#0d4e48;--coral:#d85f45;--amber:#e5aa3d;--blue:#315d8c;--shadow:0 18px 50px #1d22261f}*{box-sizing:border-box}html,body{background:var(--paper);min-height:100%;color:var(--ink);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.app-shell{background:linear-gradient(180deg, #16746a14, transparent 240px), var(--paper);min-height:100svh}.topbar{z-index:2;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f7f4ede6;border-bottom:1px solid #ded8cbcc;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px 10px;display:flex;position:sticky;top:0}.topbar-actions{justify-content:flex-end;align-items:center;gap:8px;min-width:0;display:flex}.brand{align-items:center;gap:10px;min-width:0;display:flex}.brand-mark{color:#fff;background:var(--teal);border-radius:8px;place-items:center;width:38px;height:38px;display:grid;box-shadow:0 8px 18px #16746a38}.brand-title{margin:0;font-size:17px;line-height:1.1}.brand-subtitle{color:var(--muted);margin:2px 0 0;font-size:12px}.stage-pill{border:1px solid var(--line);color:var(--blue);background:var(--panel);white-space:nowrap;border-radius:999px;padding:7px 10px;font-size:12px}.auth-chip{text-overflow:ellipsis;white-space:nowrap;max-width:180px;color:var(--teal-dark);background:#16746a14;border:1px solid #16746a29;border-radius:999px;padding:7px 10px;font-size:12px;overflow:hidden}.secondary-link-button{border:1px solid var(--line);background:var(--panel);min-height:34px;color:var(--ink);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;padding:7px 12px;font-size:12px;font-weight:700;text-decoration:none;display:inline-flex}.screen{width:min(100%,780px);margin:0 auto;padding:18px 16px 28px}.auth-shell{place-items:center;min-height:100svh;padding:24px 16px;display:grid}.auth-panel{background:var(--panel);border:1px solid var(--line);width:min(100%,520px);box-shadow:var(--shadow);border-radius:8px;padding:24px 20px}.auth-panel h1{margin:0;font-size:clamp(28px,8vw,42px);line-height:1.05}.auth-button{margin-top:20px;text-decoration:none}.hero-copy{margin:8px 0 18px}.eyebrow{color:var(--teal-dark);text-transform:uppercase;margin:0 0 8px;font-size:12px;font-weight:700}h2{margin:0;font-size:clamp(28px,8vw,46px);line-height:1.02}.lead{color:var(--muted);margin:12px 0 0;font-size:16px;line-height:1.45}.panel{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.setup-panel{padding:16px}.field-stack{gap:14px;display:grid}.field label{color:var(--ink);margin-bottom:7px;font-size:13px;font-weight:700;display:block}.field input,.field textarea{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:8px;outline:none;padding:14px 13px;font-size:16px}.field textarea{resize:vertical;min-height:88px}.field input:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #16746a24}.language-card{border:1px solid var(--line);background:#fff;border-radius:8px;padding:12px}.language-row{grid-template-columns:1fr auto;align-items:end;gap:10px;display:grid}.icon-button,.primary-button,.secondary-button{border:0;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:48px;font-weight:800;display:inline-flex}.icon-button{color:#fff;background:var(--teal);width:48px}.danger-button{background:var(--coral)}.primary-button{color:#fff;background:var(--teal);width:100%;margin-top:16px;padding:0 16px}.secondary-button{color:var(--teal-dark);background:#16746a1a;border:1px solid #16746a38;padding:0 14px}.primary-button:disabled,.icon-button:disabled,.secondary-button:disabled{cursor:not-allowed;opacity:.55}.confirmation{color:var(--blue);background:#315d8c14;border-radius:8px;justify-content:space-between;align-items:center;gap:10px;margin-top:10px;padding:10px;font-size:14px;display:flex}.options{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.option-chip{color:var(--teal-dark);background:#16746a17;border:1px solid #16746a42;border-radius:999px;padding:9px 12px;font-weight:700}.status-line{min-height:20px;color:var(--muted);margin:10px 0 0;font-size:13px;line-height:1.35}.error-line{color:var(--coral)}.conversation-shell{min-height:calc(100svh - 86px);padding-bottom:calc(110px + env(safe-area-inset-bottom,0px));grid-template-rows:auto 1fr auto;gap:12px;display:grid}.profile-strip{grid-template-columns:1fr;gap:8px;max-height:160px;padding:12px;transition:opacity .18s,transform .18s,max-height .18s,margin .18s,padding .18s;display:grid;overflow:hidden}.profile-strip strong{font-size:14px;line-height:1.25;display:block}.profile-strip span{color:var(--muted);margin-top:3px;font-size:13px;line-height:1.3;display:block}.message-list{flex-direction:column;gap:12px;min-height:0;padding:4px 0 12px;scroll-padding-bottom:120px;display:flex;overflow-y:auto}.message{border:1px solid var(--line);border-radius:8px;max-width:92%;padding:12px 13px;line-height:1.5;box-shadow:0 8px 24px #1d22260a}.message.tutor{background:var(--panel);align-self:flex-start}.message.user{background:#16746a1a;border-color:#16746a47;align-self:flex-end}.pending-message{opacity:.96}.message-role{color:var(--muted);margin-bottom:7px;font-size:12px;font-weight:800;display:block}.message-body{gap:12px;display:grid}.message-body p,.message-body ul,.message-body ol{margin:0}.message-body ul,.message-body ol{padding-left:22px}.message-body li+li{margin-top:4px}.message-body strong{font-weight:800}.conversation-end{height:16px}.composer{z-index:3;padding:10px 16px calc(14px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f7f4edf0;position:fixed;bottom:0;left:0;right:0}.composer-inner{grid-template-columns:52px 1fr 52px;gap:10px;width:min(100%,780px);margin:0 auto;display:grid}.composer textarea{border:1px solid var(--line);resize:none;background:#fff;border-radius:8px;outline:none;min-height:52px;max-height:140px;padding:13px;line-height:1.4}.composer-meta{justify-content:space-between;align-items:center;gap:10px;width:min(100%,780px);margin:0 auto 8px;display:flex}.composer-status{min-height:18px;color:var(--muted);font-size:12px;line-height:1.35}.recording-chip{color:var(--coral);align-items:center;gap:6px;font-weight:700;display:inline-flex}.replay-button{white-space:nowrap;flex-shrink:0;min-height:38px}.memory-note{border-left:4px solid var(--amber);color:#725019;background:#e5aa3d24;border-radius:8px;max-height:80px;padding:10px 12px;font-size:13px;line-height:1.35;transition:opacity .18s,transform .18s,max-height .18s,margin .18s,padding .18s;overflow:hidden}.typing-indicator{color:var(--muted);align-items:center;gap:10px;font-size:14px;display:inline-flex}.typing-dots{align-items:center;gap:4px;display:inline-flex}.typing-dots span{background:#16746a8c;border-radius:999px;width:6px;height:6px;animation:1s ease-in-out infinite typing-bounce}.typing-dots span:nth-child(2){animation-delay:.14s}.typing-dots span:nth-child(3){animation-delay:.28s}.pending-inline{border:1px solid var(--line);background:#fffdf8eb;border-radius:8px;align-items:center;gap:10px;margin-top:14px;padding:12px 13px;display:flex}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.conversation-shell.composing .profile-strip,.conversation-shell.composing .memory-note{opacity:0;pointer-events:none;border-width:0;max-height:0;margin:0;padding-top:0;padding-bottom:0;transform:translateY(-8px)}@keyframes typing-bounce{0%,80%,to{opacity:.45;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}@media (min-width:760px){.topbar{padding:16px 28px 12px}.screen{padding-top:30px}.setup-panel{padding:22px}.profile-strip{grid-template-columns:repeat(3,1fr)}.conversation-shell.composing .profile-strip,.conversation-shell.composing .memory-note{opacity:1;max-height:none;margin:initial;padding-top:initial;padding-bottom:initial;border-width:initial;pointer-events:auto;transform:none}}@media (max-width:759px){.topbar{flex-direction:column;align-items:flex-start}.topbar-actions{flex-wrap:wrap;justify-content:flex-start;width:100%}.composer-meta{flex-direction:column;align-items:flex-start}.replay-button{justify-content:center;width:100%}}
