:root{--bg: #faf9f6;--panel: #ffffff;--border: #e8e6df;--border-strong: #d4d1c7;--text: #1c1b18;--muted: #6f6d66;--accent: #c96442;--accent-hover: #b85a3a;--accent-soft: #f5ebe6;--accent-dim: #efe8e4;--danger: #c44c4c;--danger-soft: #fceeee;--table-bg: #ffffff;--pk: #8a6d3b;--edge: #c96442;--edge-selected: #a84f32;--edge-invalid: #c44c4c;--shadow: 0 1px 3px rgba(28, 27, 24, .06), 0 4px 16px rgba(28, 27, 24, .04);--font-sans: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-serif: "Source Serif 4", Georgia, "Times New Roman", serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);font-size:14px;line-height:1.5;letter-spacing:-.01em;background:var(--bg);color:var(--text);height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-serif);font-weight:600;letter-spacing:-.02em;color:var(--text)}#app{display:grid;grid-template-columns:240px 1fr;height:100vh}#sidebar{background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:1rem;gap:.75rem}#sidebar h1{margin:0;font-size:1.15rem}.muted{color:var(--muted)}.small{font-size:.8rem}#project-list{list-style:none;margin:0;padding:0;flex:1;overflow-y:auto}#project-list li{padding:.5rem .6rem;border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:.5rem}#project-list li:hover{background:var(--bg)}#project-list li.active{background:var(--accent-soft);color:var(--text)}#project-list .del{opacity:0;border:none;background:transparent;color:var(--danger);cursor:pointer;font-size:1rem}#project-list li:hover .del{opacity:1}button{font:inherit;cursor:pointer;border:1px solid var(--border-strong);background:var(--panel);color:var(--text);border-radius:8px;padding:.4rem .75rem;transition:background .15s,border-color .15s}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);filter:none}button:hover{background:var(--bg)}button.primary:hover{background:var(--accent-hover)}#workspace{display:flex;flex-direction:column;flex:1;min-width:0;min-height:0;background:var(--bg);position:relative;overflow:hidden}.mode-bar{display:flex;gap:.25rem;padding:.5rem 1rem;background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0}.mode-tab{font-family:var(--font-sans);font-size:.875rem;font-weight:500;padding:.45rem 1rem;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--muted);cursor:pointer;transition:background .15s,color .15s,border-color .15s}.mode-tab:hover{background:var(--bg);color:var(--text)}.mode-tab.active{background:var(--bg);color:var(--text);border-color:var(--border-strong);box-shadow:var(--shadow)}.mode-view{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}#builder-view{min-height:0}#canvas-wrap{flex:1;min-height:0;position:relative}#agent-view{flex:1;display:flex;flex-direction:column;min-height:0;width:100%;padding:0 1rem 1rem;box-sizing:border-box}.agent-layout{flex:1;display:flex;min-height:0;gap:.75rem}.conversation-sidebar{width:200px;flex-shrink:0;display:flex;flex-direction:column;min-height:0;background:var(--panel);border:1px solid var(--border);border-radius:10px;overflow:hidden}.conversation-sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:.5rem .6rem;border-bottom:1px solid var(--border);flex-shrink:0}.small-btn{font-size:.75rem;padding:.2rem .45rem}#conversation-list{list-style:none;margin:0;padding:.35rem;overflow-y:auto;flex:1;min-height:0}#conversation-list li{display:flex;align-items:stretch;gap:.15rem;margin-bottom:.25rem}#conversation-list li.active .conv-item{background:var(--accent-soft);border-color:var(--accent)}.conv-item{flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:.1rem;padding:.4rem .45rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);cursor:pointer;text-align:left;font-family:var(--font-sans);font-size:.8rem}.conv-title{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.conv-meta{font-size:.68rem}.conv-del{flex-shrink:0;padding:.2rem .35rem;font-size:.85rem;line-height:1;opacity:.5}.conv-del:hover{opacity:1;color:var(--danger)}.agent-chat-panel{flex:1;display:flex;flex-direction:column;min-height:0;min-width:0}.agent-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;padding:1rem 0 .75rem;flex-shrink:0}.agent-header h2{margin:0 0 .25rem;font-size:1.25rem}.agent-chat-panel #chat-messages{flex:1;min-height:0;overflow-y:auto;margin:0 0 1rem;display:flex;flex-direction:column;gap:.75rem;padding:.5rem 0}.agent-chat-panel #chat-form{flex-shrink:0;display:flex;gap:.5rem;padding-bottom:.5rem}.agent-chat-panel #chat-form input{flex:1;background:var(--panel);border:1px solid var(--border-strong);color:var(--text);border-radius:10px;padding:.65rem .85rem;font-family:var(--font-sans);font-size:.9rem}.agent-chat-panel #chat-form input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}#toolbar{display:flex;align-items:center;gap:.75rem;padding:.6rem 1rem;border-bottom:1px solid var(--border);background:var(--panel)}#toolbar input[type=text]{flex:0 1 200px;background:var(--bg);border:1px solid var(--border-strong);color:var(--text);border-radius:8px;padding:.35rem .6rem;font-family:var(--font-sans)}#toolbar input[type=text]:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}#canvas{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;background:radial-gradient(circle at 1px 1px,#ddd9d0 1px,transparent 0) 0 0 / 24px 24px,var(--bg)}#canvas-scene{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform;overflow:visible}#tables{position:absolute;top:0;left:0;z-index:1}#edges{position:absolute;top:0;left:0;z-index:2;overflow:visible;pointer-events:none}#edges .edge-hit{pointer-events:stroke;cursor:pointer}#edges .edge-visible{vector-effect:non-scaling-stroke}.table-node{position:absolute;min-width:200px;background:var(--table-bg);border:1px solid var(--border-strong);border-radius:10px;box-shadow:var(--shadow);-webkit-user-select:none;user-select:none}.table-node.selected{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft),var(--shadow)}.table-header{display:flex;align-items:center;justify-content:space-between;padding:.4rem .5rem;background:var(--bg);border-bottom:1px solid var(--border);cursor:grab;border-radius:10px 10px 0 0}.table-header:active{cursor:grabbing}.table-header input{background:transparent;border:none;color:var(--text);font-weight:600;font-family:var(--font-sans);width:120px}.table-header .actions button{padding:.15rem .4rem;font-size:.75rem}.col-row{display:grid;grid-template-columns:1fr 70px auto;gap:.25rem;padding:.25rem .5rem;align-items:center;font-size:.8rem;border-bottom:1px solid var(--border)}.col-row.pk .col-name{color:var(--pk);font-weight:500}.col-row input,.col-row select{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:.15rem .3rem;font-size:.75rem;font-family:var(--font-sans)}.col-row label{display:flex;align-items:center;gap:.2rem;font-size:.7rem;color:var(--muted)}.col-row .link-btn{padding:.1rem .3rem;font-size:.65rem}.msg{padding:.55rem .7rem;border-radius:10px;font-size:.875rem;line-height:1.45}.msg .msg-body{white-space:normal}.msg.user{background:var(--accent-soft);color:var(--text);align-self:flex-end;max-width:95%;border:1px solid var(--border)}.msg.user .msg-body{white-space:pre-wrap}.msg.assistant{background:var(--bg);border:1px solid var(--border)}.msg .tools{margin-top:.4rem;font-size:.7rem;color:var(--muted);font-family:ui-monospace,SF Mono,Menlo,monospace}.msg.assistant.streaming{border-color:var(--accent-dim);box-shadow:inset 3px 0 0 var(--accent)}.msg.assistant .stream-status{font-size:.75rem;color:var(--muted);margin-bottom:.35rem;font-style:italic}.msg.assistant .stream-status.error{color:var(--danger);font-style:normal}.msg.assistant .stream-body:empty{display:none}.msg .tools.live{max-height:12rem;overflow-y:auto}.md-content{word-break:break-word}.md-content>*:first-child{margin-top:0}.md-content>*:last-child{margin-bottom:0}.md-content h1,.md-content h2,.md-content h3{font-family:var(--font-serif);font-size:1rem;font-weight:600;margin:.85rem 0 .4rem}.md-content h2{font-size:.95rem;border-bottom:1px solid var(--border);padding-bottom:.2rem}.md-content p{margin:.4rem 0}.md-content ul,.md-content ol{margin:.35rem 0;padding-left:1.25rem}.md-content table{width:100%;border-collapse:collapse;font-size:.8rem;margin:.5rem 0}.md-content th,.md-content td{border:1px solid var(--border);padding:.35rem .5rem;text-align:left;vertical-align:top}.md-content th{background:var(--accent-soft);font-weight:600}.md-content tr:nth-child(2n) td{background:#fff9}.md-content code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.8em;background:var(--accent-dim);padding:.1rem .3rem;border-radius:4px}.md-content pre{margin:.5rem 0;padding:.55rem .65rem;background:#f3f1ec;border:1px solid var(--border);border-radius:8px;overflow-x:auto;font-size:.75rem;line-height:1.35}.md-content pre code{background:none;padding:0}.md-content blockquote{margin:.4rem 0;padding-left:.75rem;border-left:3px solid var(--accent);color:var(--muted)}.tool-block{margin-top:.45rem;font-size:.75rem;border:1px solid var(--border);border-radius:8px;background:#f8f7f4}.tool-block summary{cursor:pointer;padding:.35rem .5rem;font-weight:500;color:var(--muted);font-family:ui-monospace,SF Mono,Menlo,monospace}.tool-block .tool-output{padding:0 .5rem .5rem;overflow-x:auto}.tool-block .tool-output pre,.tool-block .tool-output .tool-pre{margin:0;padding:.45rem .5rem;background:#f3f1ec;border-radius:6px;font-size:.72rem;line-height:1.3;overflow-x:auto;white-space:pre;font-family:ui-monospace,SF Mono,Menlo,monospace}#empty-state.empty-state-panel{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted);min-height:0}#empty-state.empty-state-panel.hidden{display:none!important;flex:0;height:0;overflow:hidden}.hidden{display:none!important}.fk-help{margin:0;padding:.45rem 1rem;font-size:.8rem;background:var(--accent-soft);border-bottom:1px solid var(--border);color:var(--muted)}.fk-help code,.fk-help kbd{font-size:.75rem;color:var(--text);font-family:ui-monospace,monospace}.fk-banner{position:absolute;top:12px;left:50%;transform:translate(-50%);z-index:10;padding:.5rem 1rem;border-radius:10px;background:var(--text);color:#fff;font-size:.85rem;box-shadow:var(--shadow);pointer-events:none}.col-row.fk-source{outline:2px solid var(--accent);background:var(--accent-soft)}.col-row.fk-target{cursor:crosshair;background:#c964420f}.col-row.fk-target:hover{background:var(--accent-soft)}.link-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.rels-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;padding:.4rem 1rem;border-bottom:1px solid var(--border);background:var(--panel);min-height:2rem}.rels-label{font-size:.75rem;font-weight:600;color:var(--muted);flex-shrink:0;font-family:var(--font-sans)}.rels-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.4rem;flex:1}.rels-list li{display:flex;align-items:center;gap:.35rem;padding:.2rem .45rem;border-radius:6px;font-size:.75rem;font-family:ui-monospace,SF Mono,Menlo,monospace;background:var(--bg);border:1px solid var(--border);cursor:pointer}.rels-list li.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-soft)}.rels-list li.invalid{border-color:var(--danger);color:var(--danger);background:var(--danger-soft)}.rels-list li .rel-del{padding:0 .35rem;font-size:.85rem;line-height:1;color:var(--danger);border:none;background:transparent}.rels-list li .rel-del:hover{filter:none;background:var(--danger-soft);border-radius:4px}#edges .edge-visible.selected{stroke-width:3}.fk-chip{display:flex;align-items:center;justify-content:space-between;gap:.35rem;padding:.2rem .5rem .35rem;font-size:.68rem;font-family:ui-monospace,SF Mono,Menlo,monospace;color:var(--accent);border-top:1px dashed var(--border);background:var(--accent-soft)}.fk-chip.invalid{color:var(--danger);background:var(--danger-soft)}.fk-chip .fk-chip-del{flex-shrink:0;padding:0 .35rem;font-size:.75rem;border:none;background:transparent;color:var(--danger);cursor:pointer}.fk-chip .fk-chip-del:hover{background:var(--danger-soft);border-radius:4px}
