:root{--primary: #111827;--primary-hover: #000000;--accent: #2563eb;--bg-canvas: #f3f4f6;--bg-panel: #ffffff;--border: #e5e7eb;--text-main: #1f2937;--text-sub: #6b7280;--radius: 12px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{margin:0;padding:0;box-sizing:border-box;outline:none}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-canvas);height:100vh;overflow:hidden;color:var(--text-main)}#root{height:100vh}.container{display:flex;height:100vh}.mood-board{flex:1;position:relative;overflow:hidden;background-color:var(--bg-canvas);background-image:radial-gradient(#d1d5db 1.5px,transparent 1.5px);background-size:24px 24px;cursor:grab;-webkit-user-select:none;user-select:none}.mood-board.panning{cursor:grabbing}.board-canvas{width:100%;height:100%;position:absolute;top:0;left:0;overflow:visible;transform-origin:0 0}.zoom-controls{position:absolute;bottom:24px;left:24px;display:flex;align-items:center;gap:8px;background:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:6px 8px;border-radius:99px;border:1px solid rgba(255,255,255,.6);box-shadow:var(--shadow-md);z-index:100}.zoom-btn{background:transparent;border:none;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-main);cursor:pointer;transition:background .2s}.zoom-btn:hover{background:#0000000d}.zoom-btn svg{width:18px;height:18px;stroke-width:2px}.zoom-level{font-size:13px;font-weight:500;color:var(--text-sub);min-width:45px;text-align:center;font-variant-numeric:tabular-nums}.image-item{position:absolute;cursor:grab;border-radius:var(--radius);background:#fff;padding:8px;box-shadow:var(--shadow-sm);transition:box-shadow .2s,transform .1s;border:1px solid transparent}.image-item:hover{box-shadow:var(--shadow-lg);z-index:50}.image-item.dragging{cursor:grabbing;opacity:.95;box-shadow:var(--shadow-lg);z-index:1000;transition:none}.image-item img{width:100%;object-fit:cover;border-radius:6px;pointer-events:none;display:block}.image-actions{position:absolute;top:-14px;right:-14px;display:flex;gap:6px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;transform:translateY(8px);z-index:60}.image-item:hover .image-actions{opacity:1;pointer-events:auto;transform:translateY(0)}.image-btn{background:var(--primary);color:#fff;border:none;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:transform .1s}.image-btn:hover{transform:scale(1.1);background:#000}.image-btn.download{background:var(--accent)}.image-btn.delete{background:#ef4444}.image-btn svg{width:14px;height:14px;stroke:currentColor;stroke-width:2.5}.chat-panel{width:420px;background:var(--bg-panel);display:flex;flex-direction:column;height:100vh;border-left:1px solid var(--border);box-shadow:-4px 0 24px #00000008;z-index:200}.chat-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;background:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.chat-title{font-size:16px;font-weight:600;color:var(--text-main);display:flex;align-items:center;gap:8px}.chat-title:before{content:"";width:10px;height:10px;background:var(--primary);border-radius:50%;display:inline-block}.icon-btn{background:transparent;border:1px solid transparent;width:34px;height:34px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-sub);transition:all .2s}.icon-btn:hover{background:#f3f4f6;color:var(--primary);border-color:var(--border)}.chat-messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:24px}.message{display:flex;flex-direction:column;gap:6px;max-width:92%}.message.user{align-self:flex-end;align-items:flex-end}.message.assistant{align-self:flex-start}.message-bubble{padding:14px 18px;border-radius:18px;font-size:14px;line-height:1.5;white-space:pre-wrap}.message.user .message-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.message.assistant .message-bubble{background:#f3f4f6;color:var(--text-main);border-bottom-left-radius:4px}.message-images{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.message-image{width:100px;height:100px;border-radius:8px;overflow:hidden;cursor:pointer;border:1px solid var(--border);transition:transform .2s;position:relative;padding:0;background:none}.message-image img{width:100%;height:100%;object-fit:cover;display:block}.message-image:hover{transform:scale(1.05);border-color:var(--primary)}.message-image.zoomable{cursor:zoom-in}.message-image.clickable:after{content:"+ Add";position:absolute;bottom:0;left:0;right:0;background:#0009;color:#fff;font-size:10px;text-align:center;padding:4px;opacity:0;transition:opacity .2s}.message-image.clickable:hover:after{opacity:1}.chat-controls{padding:16px 24px 24px;border-top:1px solid var(--border);background:#fff;position:relative;flex-shrink:0}.settings-row{display:flex;gap:10px;margin-bottom:16px}.settings-btn{flex:1;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:13px;font-weight:500;color:var(--text-main);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}.settings-btn:hover{background:#f9fafb;border-color:var(--text-sub)}.settings-btn.active{background:#f3f4f6;border-color:var(--primary);color:var(--primary)}.settings-dropdown{position:absolute;bottom:160px;left:24px;right:24px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px;box-shadow:var(--shadow-lg);z-index:200;animation:slideUp .15s cubic-bezier(.2,0,.2,1)}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.dropdown-label{font-size:11px;font-weight:600;color:var(--text-sub);text-transform:uppercase;letter-spacing:.5px;margin:0 0 8px 4px}.dropdown-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.dropdown-grid.wide{grid-template-columns:repeat(4,1fr)}.option-btn{padding:8px 4px;border:1px solid transparent;border-radius:8px;background:#f9fafb;font-size:12px;color:var(--text-main);cursor:pointer;transition:all .1s}.option-btn:hover{background:#e5e7eb}.option-btn.selected{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.input-area{display:flex;gap:10px;align-items:flex-end}.input-btn{background:transparent;border:1px solid var(--border);width:42px;height:42px;border-radius:10px;cursor:pointer;color:var(--text-sub);display:flex;align-items:center;justify-content:center;transition:all .2s}.input-btn:hover{background:#f3f4f6;color:var(--primary);border-color:#d1d5db}.input-wrapper{flex:1;position:relative;background:#f9fafb;border-radius:14px;border:1px solid transparent;transition:all .2s}.input-wrapper:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px #1118270d}.input-wrapper.drag-over{border-color:#22c55e;background:#f0fdf4;box-shadow:0 0 0 2px #bbf7d0}textarea{width:100%;padding:12px 48px 12px 14px;border:none;background:transparent;font-family:inherit;font-size:14px;line-height:1.5;resize:none;color:var(--text-main);max-height:120px}.send-btn{position:absolute;right:6px;bottom:6px;background:var(--primary);color:#fff;border:none;width:32px;height:32px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .1s}.send-btn:hover{background:var(--primary-hover);transform:scale(1.05)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.retry-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;margin-top:8px;background:transparent;border:1px solid var(--border);border-radius:10px;font-size:12px;font-weight:500;color:var(--text-sub);cursor:pointer;transition:all .2s;align-self:flex-start}.retry-btn:hover{background:var(--bg-canvas);border-color:var(--primary);color:var(--primary)}.retry-btn svg{width:14px;height:14px}.retry-btn:disabled{opacity:.5;cursor:not-allowed}.reference-preview{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;padding:8px 10px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px}.ref-header{display:flex;align-items:center;gap:8px;font-size:12px;color:#15803d;font-weight:500}.ref-count{font-size:11px;padding:2px 6px;border-radius:999px;background:#dcfce7}.ref-list{display:flex;flex-wrap:wrap;gap:8px}.ref-thumbnail{width:40px;height:40px;border-radius:8px;overflow:visible;border:1px solid rgba(0,0,0,.1);position:relative}.ref-thumbnail-open{width:100%;height:100%;padding:0;border:none;background:none;display:block;cursor:zoom-in}.ref-thumbnail img{width:100%;height:100%;object-fit:contain;background:#fff;display:block;border-radius:7px}.ref-remove{position:absolute;top:-6px;right:-6px;border:none;background:#166534;color:#f0fdf4;cursor:pointer;font-weight:600;padding:0 6px;font-size:12px;border-radius:999px}.ref-remove:hover{background:#14532d}.ref-clear-all{margin-left:auto;border:none;background:none;color:#166534;cursor:pointer;font-size:11px;font-weight:600;opacity:.8}.ref-clear-all:hover{opacity:1;text-decoration:underline}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9000;background:#111827d1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:56px 48px;cursor:zoom-out;animation:lightboxIn .15s ease-out}@keyframes lightboxIn{0%{opacity:0}to{opacity:1}}.lightbox-image{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;background:#fff;box-shadow:0 24px 48px #00000073;cursor:default;animation:lightboxZoom .15s cubic-bezier(.2,0,.2,1)}@keyframes lightboxZoom{0%{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}.lightbox-actions{position:absolute;top:20px;right:24px;display:flex;gap:8px;cursor:default}.lightbox-btn{width:40px;height:40px;border:none;border-radius:50%;background:#ffffff24;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}.lightbox-btn:hover{background:#ffffff47}.lightbox-btn svg{width:18px;height:18px;stroke-width:2}.cad-job{display:flex;align-items:center;gap:10px;margin-bottom:12px;padding:8px 10px;background:#f9fafb;border:1px solid var(--border);border-radius:10px;font-size:12px;color:var(--text-sub)}.cad-job .spinner{width:14px;height:14px}.debug-info{position:fixed;top:10px;left:50%;transform:translate(-50%);background:#000c;color:#0f0;padding:8px 16px;border-radius:8px;font-family:monospace;font-size:12px;z-index:9999}.loading{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-sub);padding:8px 0}.spinner{width:18px;height:18px;border:2px solid #e5e7eb;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}input[type=file]{display:none}svg{display:block}