:root{--paper:#faf9f6;--panel:#fff;--ink:#292925;--muted:#8c8a82;--line:#e8e6df;--accent:#bd5a38;--orange:#e8a07b;--sidebar:#242724;--sidebar-text:#c5c7be;--green:#7fa48e;--shadow:0 14px 45px #24272409;font-family:'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{cursor:wait;opacity:.5}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.app-shell{display:flex;height:100dvh;min-height:620px}.sidebar{width:254px;flex-shrink:0;background:var(--sidebar);color:var(--sidebar-text);display:flex;flex-direction:column;padding:30px 18px 15px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:#f6f5ee;padding:0 13px 33px}.brand 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10px;display:flex;gap:9px;align-items:center}.message-label small{font-size:9px;color:#a4a493;font-weight:400}.message-content{font-size:13px;line-height:1.85;color:#4b4e42;overflow-wrap:anywhere}.message.user .message-content{color:#777a6b}.message-content p{margin:0 0 12px}.message-content ul,.message-content ol{margin:0 0 12px;padding-left:22px}.message-content h2,.message-content h3{font-size:16px;margin:20px 0 10px;color:#383d30}.message-content a{color:#a65939;text-decoration:underline;text-decoration-color:#d4c3b5;text-underline-offset:3px}.message-content code{font:12px Consolas,monospace;background:#eeede5;border-radius:4px;padding:2px 5px}.message-content pre{position:relative;background:#272d25;color:#dce3d2;padding:36px 18px 18px;border-radius:10px;overflow:auto;font:12px/1.7 Consolas,monospace;white-space:pre}.message-content pre code{background:none;color:inherit;padding:0;font:inherit}.code-copy{position:absolute;right:12px;top:10px;border:1px solid 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small{display:block;font-size:9px;margin-top:7px;color:#a3a98f}.primary-button{border:0;border-radius:7px;background:#566248;color:#f6f8ef;padding:11px 14px;font-size:11px;white-space:nowrap}.primary-button:hover{background:#414f33}.dialog-footnote{font-size:9px;line-height:1.8;color:#a0a38e;margin-top:19px}.command-list{margin-top:18px;max-height:48dvh;overflow:auto}.command-list button{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:0;border-bottom:1px solid #e8e8dc;background:none;padding:14px 0;font-size:11px}.command-list code{min-width:125px;font:11px Consolas,monospace;color:#9e6546}.command-list span{color:#999d88}.command-list button:hover{background:#eeefe5}.dialog-intro{font-size:11px;line-height:1.7;color:#999e87}.memory-row{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.7}.memory-row span{flex:1}.memory-row button{border:0;background:#eeede3;color:#9d7f64;font-size:10px;padding:6px 8px;border-radius:5px}.memory-form{display:flex;gap:8px;margin-top:20px;align-items:center}.memory-form input{margin:0;font-size:11px;min-width:0}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);max-width:min(600px,90%);background:#313a29;color:#eef2e5;padding:13px 20px;border-radius:10px;box-shadow:0 8px 35px #1113;font-size:12px;line-height:1.6;z-index:10;white-space:pre-wrap}.interrupted{font-size:10px;color:#af8261}.pending .message-content:after{content:'▍';color:#bd6542;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.35}}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1600px){.welcome{margin-top:110px}}@media(max-width:1100px){.sidebar{width:220px}.topbar{padding:0 25px}.welcome{margin-top:48px}h1{font-size:49px}.suggestions{gap:8px}.suggestions button{padding:15px 12px}.suggestions 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button{min-height:unset;display:grid;grid-template-columns:28px 1fr;column-gap:10px;padding:13px}.suggestion-icon{grid-row:span 2;margin:0;align-self:center}.suggestions strong{margin-bottom:4px}.welcome-note{font-size:9px;flex-wrap:wrap}.welcome{margin-bottom:20px}.enter-hint{display:none}.mode-button{padding:5px 6px}.composer-footer{font-size:8px}.message{gap:11px}.experiment-banner button{white-space:normal}.model-tag{display:none}.setting-grid{gap:10px}dialog{padding:22px}.top-left strong{max-width:230px}.composer{padding:14px}.composer textarea{font-size:14px}}
/* Public hosting notice; local app keeps its original layout. */
.hosting-banner { display:flex; flex-wrap:wrap; align-items:center; gap:8px 20px; padding:14px 24px; background:#f4f0e7; border-bottom:1px solid #ddd5c8; color:#403d37; font-size:13px; }
.hosting-banner a { color:#705329; text-decoration:underline; }
button:disabled { cursor:not-allowed; }