:root{--bg:#f5f2ec;--surface:#fff;--tinted:#edebe4;--border:#ddd9cf;--crimson:#8b1919;--user-bg:#e8e4dc;--text:#1e1610;--text-2:#6a5e50;--text-muted:#9a8e80;--cream:#fdf8ef;--font-display:"Cormorant Garamond", Georgia, serif;--font-body:"PT Serif", Georgia, serif}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);font-family:var(--font-body);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.65}#root{flex-direction:column;height:100%;display:flex}.page{flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-wrapper{flex-direction:column;flex:1;width:100%;max-width:760px;margin:0 auto;display:flex;overflow:hidden}.site-header{background:var(--tinted);border-bottom:1px solid var(--border);flex-shrink:0;width:100%}.header-inner{align-items:center;gap:12px;max-width:760px;margin:0 auto;padding:14px 24px;display:flex}.header-star{color:var(--crimson);flex-shrink:0;font-size:18px;line-height:1}.header-title{font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--text);margin:0;font-size:20px;font-weight:600;line-height:1}.messages-area{scrollbar-width:thin;scrollbar-color:var(--border) transparent;flex-direction:column;flex:1;gap:14px;padding:24px;display:flex;overflow-y:auto}.welcome{flex:1;justify-content:flex-start;align-items:flex-start;padding:16px 0;display:flex}.welcome-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;width:100%;max-width:520px;padding:32px 36px 32px 40px;position:relative;overflow:hidden;box-shadow:0 1px 6px #0000000d}.welcome-card:before{content:"";background:var(--crimson);width:3px;position:absolute;top:0;bottom:0;left:0}.welcome-label{letter-spacing:.22em;text-transform:uppercase;color:var(--crimson);margin:0 0 12px;font-size:10px}.welcome-heading{font-family:var(--font-display);color:var(--text);letter-spacing:-.01em;margin:0 0 20px;font-size:26px;font-weight:500;line-height:1.25}.welcome-divider{border:none;border-top:1px solid var(--border);margin:0 0 18px}.welcome-sources{flex-direction:column;gap:10px;margin:0 0 20px;padding:0;list-style:none;display:flex}.welcome-sources li{color:var(--text);align-items:flex-start;gap:10px;font-size:14px;line-height:1.45;display:flex}.welcome-sources li:before{content:"—";color:var(--crimson);flex-shrink:0}.welcome-note{color:var(--text-2);border-top:1px solid var(--border);margin:0;padding-top:14px;font-size:13px;line-height:1.55}.welcome-note a{color:var(--crimson);border-bottom:1px solid #8b191940;text-decoration:none;transition:border-color .15s}.welcome-note a:hover{border-color:var(--crimson)}.msg{word-break:break-word;max-width:84%}.msg-user{background:var(--user-bg);color:var(--text);border-radius:12px 2px 12px 12px;align-self:flex-end;padding:10px 14px;font-size:15px;line-height:1.5}.msg-assistant{background:var(--surface);border-left:2px solid var(--crimson);color:var(--text);border-radius:2px 12px 12px;align-self:flex-start;padding:14px 16px;font-size:15px;line-height:1.65;box-shadow:0 1px 3px #0000000d}.msg-assistant p{margin:0 0 8px}.msg-assistant p:last-child{margin-bottom:0}.msg-assistant h3{font-family:var(--font-display);color:var(--crimson);margin:14px 0 6px;font-size:17px;font-weight:600}.msg-assistant h3:first-child{margin-top:0}.msg-assistant ul{margin:4px 0 8px;padding-left:20px}.msg-assistant li{margin-bottom:4px}.msg-assistant a{color:var(--crimson);text-underline-offset:2px;text-decoration:underline}.msg-assistant strong{color:var(--text);font-weight:700}.status-indicator{color:var(--text-2);align-self:flex-start;align-items:center;gap:10px;padding:4px 0;font-size:13px;font-style:italic;display:flex}.status-dot{background:var(--crimson);opacity:.6;border-radius:50%;flex-shrink:0;width:6px;height:6px;animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:.2;transform:scale(.7)}}.input-wrap{background:var(--tinted);border-top:1px solid var(--border);flex-shrink:0;width:100%}.input-form{align-items:flex-end;gap:10px;max-width:760px;margin:0 auto;padding:14px 24px;display:flex}.search-input{background:var(--surface);border:1px solid var(--border);color:var(--text);font-family:var(--font-body);resize:none;border-radius:6px;outline:none;flex:1;min-height:42px;max-height:200px;padding:10px 14px;font-size:15px;line-height:1.5;transition:border-color .15s;display:block;overflow-y:hidden}.search-input::placeholder{color:var(--text-muted)}.search-input:focus{border-color:var(--crimson)}.search-input:disabled{opacity:.5;cursor:not-allowed}.search-button{background:var(--crimson);color:var(--cream);font-family:var(--font-body);cursor:pointer;white-space:nowrap;border:none;border-radius:6px;padding:10px 20px;font-size:15px;font-weight:700;transition:opacity .15s}.search-button:hover:not(:disabled){opacity:.85}.search-button:disabled{opacity:.35;cursor:not-allowed}