@font-face{font-family:Atkinson Hyperlegible;src:url(/fonts/atkinson/AtkinsonHyperlegible-Regular.ttf)format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Atkinson Hyperlegible;src:url(/fonts/atkinson/AtkinsonHyperlegible-Bold.ttf)format("truetype");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:Atkinson Hyperlegible;src:url(/fonts/atkinson/AtkinsonHyperlegible-Italic.ttf)format("truetype");font-weight:400;font-style:italic;font-display:swap}:root{--violett:#5436a6;--burgundy:#962d4a;--teal:#0f6e63;--dunkelgrau:#343434;--fast-weiss:#fdfdfd;--lavendel:#f0edf7;--rose:#f7f0f2;--bg:var(--fast-weiss);--fg:var(--dunkelgrau);--fg-muted:#6f6b78;--brand:var(--violett);--brand-hover:#452c89;--accent:var(--burgundy);--success:var(--teal);--bg-info:var(--lavendel);--bg-accent:var(--rose);--border:#e1dde9;--border-strong:#c9c6d1;--focus-ring:#a78df0;--font-sans:"Atkinson Hyperlegible", ui-sans-serif, system-ui, sans-serif;--fs-body:1.125rem;--lh-body:1.6;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-pill:999px;--shadow-md:0 8px 20px #5436a614, 0 2px 6px #3434340d;--dur-base:.2s;--ease:cubic-bezier(.2, 0, .2, 1)}html.font-large{--fs-body:1.3rem}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font-family:var(--font-sans);font-size:var(--fs-body);line-height:var(--lh-body)}button,input,select,textarea{font:inherit;color:inherit}a{color:var(--accent)}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.chat-shell{flex-direction:column;height:100dvh;display:flex}.chat-topbar{border-bottom:1px solid var(--border);background:var(--bg);align-items:center;gap:12px;padding:10px 14px;display:flex}.chat-topbar .logo{width:auto;height:34px}.chat-topbar .spacer{flex:1}.quota-badge{background:var(--bg-info);color:var(--brand);border-radius:var(--radius-pill);white-space:nowrap;padding:6px 14px;font-size:.9rem;font-weight:700}.icon-button{border:1px solid var(--border);background:var(--bg);border-radius:var(--radius-md);cursor:pointer;justify-content:center;align-items:center;gap:8px;min-width:44px;min-height:44px;padding:8px 12px;display:inline-flex}.icon-button:hover{background:var(--lavendel)}.chat-body{flex:1;min-height:0;display:flex}.chat-sidebar{z-index:30;background:var(--bg);border-right:1px solid var(--border);transition:transform var(--dur-base) var(--ease);flex-direction:column;gap:8px;padding:14px;display:flex;position:fixed;inset:0 25% 0 0;overflow-y:auto;transform:translate(-105%)}.chat-sidebar.open{transform:translate(0)}.sidebar-backdrop{z-index:25;background:#34343466;position:fixed;inset:0}@media (width>=900px){.chat-sidebar{flex-shrink:0;width:300px;position:static;transform:none}.sidebar-backdrop{display:none}}.new-chat-button{background:var(--brand);color:var(--fast-weiss);border-radius:var(--radius-md);cursor:pointer;min-height:48px;transition:background var(--dur-base) var(--ease);border:none;padding:12px 16px;font-weight:700}.new-chat-button:hover{background:var(--brand-hover)}.chat-list-item{align-items:center;gap:6px;display:flex}.chat-list-item .open-chat{text-align:left;border-radius:var(--radius-md);cursor:pointer;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:1px solid #0000;flex:1;min-height:44px;padding:10px 12px;overflow:hidden}.chat-list-item .open-chat:hover{background:var(--lavendel)}.chat-list-item.active .open-chat{background:var(--bg-info);border-color:var(--border-strong);font-weight:700}.delete-chat{cursor:pointer;color:var(--fg-muted);border-radius:var(--radius-sm);background:0 0;border:none;min-width:44px;min-height:44px}.delete-chat:hover{color:var(--accent);background:var(--rose)}.chat-main{flex-direction:column;flex:1;min-width:0;display:flex}.chat-settings{border-bottom:1px solid var(--border);background:var(--bg);flex-wrap:wrap;align-items:center;gap:10px;padding:10px 14px;font-size:.95rem;display:flex}.chat-settings label{color:var(--fg-muted)}.chat-settings select{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg);min-height:44px;padding:8px 10px}.share-toggle{border:1px solid var(--border);background:var(--bg);border-radius:var(--radius-pill);cursor:pointer;align-items:center;gap:8px;min-height:44px;padding:8px 14px;display:inline-flex}.share-toggle.on{border-color:var(--success);color:var(--success);background:#e6f1ef;font-weight:700}.message-list{flex-direction:column;flex:1;gap:14px;padding:18px 14px 8px;display:flex;overflow-y:auto}.message{border-radius:var(--radius-lg);white-space:pre-wrap;overflow-wrap:break-word;max-width:46rem;padding:12px 16px}.message.user{background:var(--bg-info);border:1px solid var(--border);border-bottom-right-radius:var(--radius-sm);align-self:flex-end}.message.assistant{background:var(--bg);border:1px solid var(--border);border-bottom-left-radius:var(--radius-sm);box-shadow:var(--shadow-md);align-self:flex-start}.message.pending:after{content:"●";color:var(--brand);margin-left:4px;animation:1s infinite pulse}@keyframes pulse{50%{opacity:.2}}.empty-state{text-align:center;color:var(--fg-muted);max-width:34rem;margin:auto;padding:24px}.empty-state h1{color:var(--brand);font-size:1.6rem;line-height:1.3}.composer{padding:12px 14px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--bg);gap:10px;display:flex}.composer textarea{resize:none;border:1px solid var(--border-strong);border-radius:var(--radius-md);flex:1;min-height:52px;max-height:160px;padding:12px 14px}.composer .send-button{background:var(--brand);color:var(--fast-weiss);border-radius:var(--radius-md);cursor:pointer;min-width:44px;min-height:52px;transition:background var(--dur-base) var(--ease);border:none;padding:0 20px;font-weight:700}.composer .send-button:hover{background:var(--brand-hover)}.composer .send-button:disabled{background:var(--border-strong);cursor:not-allowed}.stream-error{background:var(--rose);border-left:4px solid var(--accent);border-radius:var(--radius-sm);margin:0 14px 10px;padding:10px 14px}.coach-mode-switch{border:1px solid var(--border-strong);border-radius:var(--radius-pill);display:inline-flex;overflow:hidden}.coach-mode-switch button{background:var(--bg);cursor:pointer;border:none;min-height:44px;padding:8px 14px;font-size:.9rem}.coach-mode-switch button+button{border-left:1px solid var(--border)}.coach-mode-switch button.on{background:var(--brand);color:var(--fast-weiss);font-weight:700}.coach-check-button{white-space:nowrap;background:var(--bg-info);border-color:var(--border-strong);color:var(--brand);font-weight:700}.coach-corner{display:none}@media (width>=900px){.coach-corner{z-index:40;flex-direction:column;align-items:flex-start;gap:10px;max-width:24rem;display:flex;position:fixed;bottom:92px;left:18px}.coach-robot{width:110px;height:110px;transition:transform var(--dur-base) var(--ease)}.coach-bubble{background:var(--bg);border:1px solid var(--border-strong);border-radius:var(--radius-lg);border-bottom-left-radius:var(--radius-sm);box-shadow:var(--shadow-md);animation:bubble-in var(--dur-base) var(--ease);padding:14px 16px}.coach-inline{display:none}}@keyframes bubble-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.coach-bubble strong,.coach-inline strong{color:var(--brand)}.coach-bubble p,.coach-inline p{margin:6px 0 10px}.coach-bubble button,.coach-inline button{border:1px solid var(--border-strong);background:var(--bg-info);color:var(--brand);border-radius:var(--radius-pill);cursor:pointer;min-height:44px;padding:8px 16px;font-weight:700}.coach-inline{background:var(--bg-info);border:1px solid var(--border-strong);border-radius:var(--radius-lg);align-self:flex-start;gap:12px;max-width:46rem;padding:12px 16px;display:flex}.coach-inline img{flex-shrink:0;width:52px;height:52px}