:root{color:#1d252c;background:#f7f4ee;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}.app-shell{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid #ded8cc;padding:24px 18px}.sidebar h1{margin:0 0 24px;font-size:22px}.sidebar nav{gap:8px;display:grid}.nav-button{color:#34414d;cursor:pointer;text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;text-decoration:none;display:flex}.nav-button:hover{background:#ece6dc}.nav-button-active{color:#fff;background:#265c55}.nav-button-active:hover{background:#265c55}.content{padding:28px}.page{gap:18px;max-width:880px;margin:0 auto;display:grid}.page-header h2{margin:0;font-size:26px}.chat-window{background:#fff;border:1px solid #e1ded7;border-radius:8px;flex-direction:column;gap:10px;min-height:520px;max-height:65vh;padding:18px;display:flex;overflow-y:auto}.assistant-message{background:#f1f5f4;border-radius:8px;align-self:flex-start;max-width:420px;padding:12px 14px}.user-message{color:#fff;background:#265c55;border-radius:8px;align-self:flex-end;max-width:420px;padding:12px 14px}.assistant-typing{opacity:.6;font-style:italic}.chat-form{grid-template-columns:1fr auto;gap:10px;display:grid}.chat-form input{border:1px solid #d4cec3;border-radius:8px;padding:12px 14px}.chat-form button{color:#fff;cursor:pointer;background:#265c55;border:0;border-radius:8px;padding:12px 18px}.chat-form button:disabled,.chat-form input:disabled{opacity:.6;cursor:not-allowed}.input-modern{border:1px solid #d4cec3;border-radius:8px;outline:none;width:100%;max-width:320px;padding:10px 14px;transition:border-color .2s,box-shadow .2s}.input-modern:focus{border-color:#265c55;box-shadow:0 0 0 3px #265c5533}.btn-modern{color:#fff;cursor:pointer;background:#265c55;border:none;border-radius:8px;padding:10px 18px;font-weight:500;transition:background .2s,transform .1s}.btn-modern:hover{background:#1e4942}.btn-modern:active{transform:scale(.98)}.btn-modern:disabled{opacity:.6;cursor:not-allowed;transform:none}.muted{color:#7a7468}.error{color:#a83232}.task-group{background:#fff;border:1px solid #e1ded7;border-radius:8px;padding:16px 18px}.task-group-date{color:#4a5660;margin:0 0 12px;font-size:15px}.task-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.task-item{background:#f7f4ee;border-radius:6px;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;display:flex}.task-item-completed{opacity:.7}.task-item-completed .task-title{text-decoration:line-through}.task-title{flex:1}.task-completed-at{color:#7a7468;font-size:13px}.task-actions{gap:6px;display:flex}.task-edit{align-items:center;gap:6px;width:100%;display:flex}.task-edit input{border:1px solid #d4cec3;border-radius:6px;flex:1;padding:6px 10px}.icon-button{color:#34414d;cursor:pointer;background:0 0;border:1px solid #d4cec3;border-radius:6px;justify-content:center;align-items:center;padding:6px;display:flex}.icon-button:hover{background:#ece6dc}.icon-button-primary{color:#fff;background:#265c55;border-color:#265c55}.icon-button-primary:hover{background:#1e4942}@media (width<=760px){.app-shell{display:block}.sidebar{z-index:1000;background:#f7f4ee;border-top:1px solid #ded8cc;border-bottom:0;border-right:0;padding:8px 16px;position:fixed;bottom:0;left:0;right:0}.sidebar h1,.sign-out-container{display:none}.sidebar nav{justify-content:space-around;gap:4px;display:flex}.nav-button{flex-direction:column;justify-content:center;gap:4px;padding:8px 12px}.nav-button span{text-align:center;font-size:10px;display:block}.content{padding:16px 16px 90px}.page-header h2{font-size:22px}.chat-window{min-height:60vh;max-height:60vh;padding:12px}.assistant-message,.user-message{max-width:85%}.chat-form input{padding:10px 12px}.chat-form button{padding:10px 14px}.task-group{padding:12px 14px}.task-item{flex-wrap:wrap;padding:10px}.task-title{word-break:break-word;flex:100%;min-width:0}.task-actions{flex:none;margin-left:auto}.task-edit{flex-wrap:wrap}.task-edit input{flex:100%}.task-completed-at{flex:100%;font-size:12px}}