:root{--bg: #0f1520;--bg-panel: #161e2e;--bg-panel-alt: #1c2637;--border: #2a3850;--text: #e8edf5;--text-dim: #97a4ba;--accent: #4f8cff;--accent-dark: #3568c9;--ok: #3fbb72;--warn: #e0a93e;--danger: #e05e5e;--radius: 10px;--font: "Segoe UI", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px}.app{height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;background:var(--bg-panel);border-bottom:1px solid var(--border)}.app-header h1{font-size:17px;margin:0}.app-body{flex:1;display:grid;grid-template-columns:280px 1fr;min-height:0}.app-body-with-project{grid-template-columns:280px 1fr 380px}.main-area{display:flex;flex-direction:column;min-width:0;min-height:0}.project-panel{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--bg-panel);border-left:1px solid var(--border)}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600;background:var(--bg-panel-alt);border:1px solid var(--border);color:var(--text-dim);white-space:nowrap}.badge-ok{color:var(--ok);border-color:var(--ok)}.badge-error{color:var(--danger);border-color:var(--danger)}.badge-muted{color:var(--text-dim)}.badge-overdue{color:var(--danger);border-color:var(--danger)}.priority-1{color:#7fb3ff;border-color:#7fb3ff}.priority-2{color:var(--warn);border-color:var(--warn)}.priority-3{color:var(--danger);border-color:var(--danger)}.status-0{color:var(--text-dim)}.status-1{color:var(--ok);border-color:var(--ok)}.status-2{color:var(--accent);border-color:var(--accent)}.btn{background:var(--bg-panel-alt);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:7px 14px;font-size:13px;cursor:pointer;transition:background .15s,border-color .15s}.btn:hover{border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-dark);border-color:var(--accent-dark)}.btn-primary:hover:not(:disabled){background:var(--accent)}.btn-danger{color:var(--danger)}.btn-danger:hover{border-color:var(--danger)}.btn-small{padding:3px 9px;font-size:12px}.btn-block{width:100%}input,textarea,select{background:var(--bg-panel-alt);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 10px;font-size:13px;font-family:inherit;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent)}.error-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 18px;background:#e05e5e1f;border-bottom:1px solid var(--danger);color:var(--danger)}.form-error{color:var(--danger);margin:6px 0 0;font-size:12px}.empty-hint,.loading-hint{color:var(--text-dim);font-size:13px}.sidebar{background:var(--bg-panel);border-right:1px solid var(--border);padding:14px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.sidebar-divider{height:1px;background:var(--border);margin:4px 0}.chats-section{display:flex;flex-direction:column;gap:8px}.chat-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;max-height:280px;overflow-y:auto}.chat-item-row{display:flex;align-items:center;gap:6px;border-radius:8px}.chat-item-row.active{background:var(--bg-panel-alt)}.chat-item{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:7px 8px;background:transparent;border:none;color:var(--text);text-align:left;cursor:pointer}.chat-title{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:170px}.chat-preview{font-size:11px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:170px}.chat-delete{opacity:.5;padding:2px 6px}.chat-item-row:hover .chat-delete{opacity:1}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-bottom:1px solid var(--border);background:var(--bg-panel-alt)}.chat-header .chat-title{font-size:13px;font-weight:700}.sidebar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.sidebar-header h2{font-size:14px;margin:0;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.project-form{display:flex;flex-direction:column;gap:8px;padding:10px;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;background:var(--bg-panel-alt)}.checkbox-label{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--text-dim)}.project-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:3px}.project-item{display:flex;align-items:center;gap:9px;width:100%;padding:8px 10px;border:none;border-radius:8px;background:transparent;color:var(--text);font-size:13.5px;text-align:left;cursor:pointer}.project-item:hover{background:var(--bg-panel-alt)}.project-item.active{background:var(--bg-panel-alt);border-left:3px solid var(--accent);padding-left:7px}.project-dot{width:10px;height:10px;border-radius:50%;background:var(--border);flex-shrink:0}.project-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dashboard{flex:1;padding:16px 18px;overflow-y:auto;min-height:0}.dashboard-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.dashboard-heading{min-width:0}.dashboard-header h2{margin:0 0 4px;font-size:17px;overflow-wrap:break-word}.dashboard-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.panel-close{line-height:1}.project-description{margin:0;color:var(--text-dim);font-size:12.5px}.task-count{color:var(--text-dim);font-size:12.5px;white-space:nowrap}.new-task-form{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.task-title-input{flex:1;min-width:220px}.task-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.task-item{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:6px 12px;padding:9px 12px;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius)}.task-item.subtask{margin-left:20px;border-left:3px solid var(--border)}.task-main{display:flex;align-items:center;gap:10px;min-width:0;flex:1 1 160px;cursor:pointer}.task-main input{accent-color:var(--accent);width:16px;height:16px;flex-shrink:0}.task-title{overflow-wrap:anywhere}.task-title.done{text-decoration:line-through;color:var(--text-dim)}.task-badges{display:flex;align-items:center;gap:6px;margin-left:auto;flex-shrink:0}.chat-panel{flex:1;display:flex;flex-direction:column;background:var(--bg-panel);min-height:0}.chat-messages{flex:1;overflow-y:auto;padding:14px 18px;display:flex;flex-direction:column;gap:10px}.chat-empty{color:var(--text-dim);font-size:13px}.chat-empty ul{margin:6px 0 0;padding-left:18px}.chat-empty li{margin:3px 0;font-style:italic}.message{max-width:78%;padding:9px 13px;border-radius:var(--radius);line-height:1.45;overflow-wrap:break-word}.message-plain{white-space:pre-wrap}.message-user{align-self:flex-end;background:var(--accent-dark)}.message-assistant{align-self:flex-start;background:var(--bg-panel-alt);border:1px solid var(--border)}.message-failed{border-color:var(--danger)}.message-text{font-size:13.5px}.thinking{color:var(--text-dim);font-style:italic;font-size:13px}.streaming-status{color:var(--accent);font-size:12px;font-style:italic;margin-bottom:6px}.streaming-text{position:relative}.streaming-text.message-plain:after,.streaming-text.message-html>:last-child:after{content:"▌";margin-left:2px;color:var(--accent);animation:blink 1s steps(1) infinite}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.message-html>:first-child{margin-top:0}.message-html>:last-child{margin-bottom:0}.message-html p{margin:0 0 8px}.message-html h1,.message-html h2,.message-html h3,.message-html h4,.message-html h5,.message-html h6{margin:12px 0 6px;font-size:14px;line-height:1.3}.message-html ul,.message-html ol{margin:0 0 8px;padding-left:20px}.message-html li{margin:2px 0}.message-html a{color:var(--accent)}.message-html code{background:#00000047;border-radius:4px;padding:1px 5px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.message-html pre{background:#00000047;border:1px solid var(--border);border-radius:8px;padding:9px 11px;margin:0 0 8px;overflow-x:auto}.message-html pre code{background:none;padding:0}.message-html blockquote{margin:0 0 8px;padding-left:10px;border-left:3px solid var(--border);color:var(--text-dim)}.message-html hr{border:none;border-top:1px solid var(--border);margin:10px 0}.message-html table{display:block;width:max-content;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:0 0 8px;font-size:12.5px}.message-html th,.message-html td{border:1px solid var(--border);padding:4px 8px;text-align:left}.message-html th{background:#00000038}.trace-pending .trace-label{color:var(--accent)}.trace-pending-label{color:var(--accent);font-size:11px;font-style:italic}.message-streaming{border-color:var(--accent);box-shadow:0 0 0 1px #4f8cff26}.trace-warning{color:var(--warn);font-size:12px;margin-bottom:5px}.tool-trace{margin-bottom:7px;font-size:12px;color:var(--text-dim);border:1px solid var(--border);border-radius:8px;padding:5px 9px;background:#0000002e}.tool-trace summary{cursor:pointer;font-weight:600}.tool-trace ul{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:4px}.tool-trace li{display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}.trace-ok .trace-label{color:var(--ok)}.trace-failed .trace-label{color:var(--danger)}.trace-input{background:var(--bg-panel-alt);padding:1px 6px;border-radius:5px;font-size:11px}.trace-error{color:var(--danger)}.streaming-thinking{margin-bottom:7px;font-size:12px;color:var(--text-dim);border:1px solid var(--border);border-radius:8px;padding:5px 9px;background:#0000002e}.streaming-thinking summary{cursor:pointer;font-weight:600}.streaming-thinking-text{margin:6px 0 0;max-height:160px;overflow-y:auto;white-space:pre-wrap;font-size:11.5px;line-height:1.4;font-style:italic}.live-activity{list-style:none;margin:0 0 7px;padding:0;display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--text-dim)}.live-activity li{display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}.trace-result{flex-basis:100%;margin:2px 0 0;max-height:120px;overflow-y:auto;white-space:pre-wrap;font-size:11px;background:#00000038;border-radius:5px;padding:4px 7px}.chat-input-row{display:flex;gap:10px;padding:12px 18px;border-top:1px solid var(--border)}.chat-input-row textarea{flex:1;resize:none}.chat-input-row .btn{align-self:flex-end}.app-header-right{display:flex;align-items:center;gap:10px}.badge-button{font-family:inherit;cursor:pointer}.badge-button:hover{filter:brightness(1.2)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}.modal{width:100%;max-width:460px;max-height:90vh;overflow-y:auto;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius)}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border)}.modal-header h2{font-size:15px;margin:0}.modal-body{padding:16px 18px 18px}.settings-status{margin-bottom:16px}.settings-status p{margin:0 0 8px}.settings-form{display:flex;flex-direction:column;gap:12px}.settings-form label{display:flex;flex-direction:column;gap:5px}.settings-form label span{font-size:12px;color:var(--text-dim)}.settings-actions{display:flex;gap:8px}.settings-dim{color:var(--text-dim);font-size:12px;line-height:1.5;margin:0}.settings-footnote{margin-top:16px;padding-top:12px;border-top:1px solid var(--border)}.settings-notice{background:#e0a93e1f;border:1px solid var(--warn);border-radius:8px;padding:10px 12px;font-size:12.5px;line-height:1.5}.settings-notice p{margin:0 0 6px}.settings-notice p:last-child{margin-bottom:0}.settings-notice-ok{background:#3fbb721f;border-color:var(--ok)}.settings-notice code{background:#00000040;border-radius:4px;padding:1px 5px}@media (max-width: 900px){.app-body{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border);max-height:220px}.main-area{grid-template-rows:minmax(0,1fr) 300px}.message{max-width:92%}}