:root{--bg:#eef0f4;--panel:#fff;--text:#1f2430;--muted:#667085;--border:#e3e6ec;--primary:#4f46e5;--primary-dark:#4338ca;--primary-soft:#eef0fe;--radius:14px;--shadow:0 1px 2px #1018280d, 0 8px 24px #1018280f;font-family:Segoe UI,system-ui,-apple-system,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}.app{flex-direction:column;height:100vh;display:flex;overflow:hidden}.topbar{background:var(--panel);border-bottom:1px solid var(--border);z-index:20;flex:0 0 58px;justify-content:space-between;align-items:center;gap:16px;height:58px;padding:0 18px;display:flex}.topbar-brand{align-items:center;gap:10px;display:flex}.logo{font-size:22px}.logo-text{letter-spacing:-.01em;align-items:baseline;gap:8px;font-size:16px;font-weight:700;display:flex}.logo-sub{color:var(--muted);font-size:12px;font-weight:500}.topbar-actions{gap:10px;display:flex}.btn{font:inherit;cursor:pointer;color:var(--text);white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:9px 16px;font-size:13.5px;font-weight:600;text-decoration:none;transition:background .12s,border-color .12s,transform 60ms;display:inline-flex}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:default}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-ghost{background:var(--panel);border-color:var(--border)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.btn-outline{border-color:var(--border);background:var(--panel)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn-block{width:100%}.btn-mini{border-color:var(--border);background:var(--panel);border-radius:8px;padding:6px 12px;font-size:12.5px}.btn-mini:hover{border-color:var(--primary);color:var(--primary)}.app-body{flex:1;min-height:0;display:flex}.sidebar{background:var(--bg);border-right:1px solid var(--border);flex:0 0 372px;width:372px;overflow:hidden auto}.sidebar-scroll{flex-direction:column;padding-bottom:32px;display:flex}.preview-main{flex-direction:column;flex:1;min-width:0;display:flex}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin:14px 14px 0;padding:16px}.panel:last-child{margin-bottom:0}.panel-head{margin-bottom:12px}.panel-head h2{letter-spacing:-.01em;margin:0;font-size:14px;font-weight:700}.panel-head p{color:var(--muted);margin:3px 0 0;font-size:12.5px}.panel-body{flex-direction:column;gap:12px;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field-label{font-size:12.5px;font-weight:600}.field-hint{color:var(--muted);font-size:12px}.input{width:100%;font:inherit;border:1px solid var(--border);color:var(--text);background:#fff;border-radius:10px;outline:none;padding:10px 12px;font-size:14px;transition:border-color .12s,box-shadow .12s}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51f}.input-sm{padding:7px 10px;font-size:13px}.textarea{resize:vertical;min-height:44px;line-height:1.5}.select{cursor:pointer}.stack{flex-direction:column;gap:10px;display:flex}.switch-row{border:1px solid var(--border);cursor:pointer;background:#fafbfc;border-radius:12px;align-items:center;gap:12px;padding:10px 12px;transition:border-color .12s;display:flex}.switch-row:hover{border-color:var(--primary)}.switch-icon{text-align:center;flex:0 0 24px;font-size:18px}.switch-text{flex-direction:column;flex:1;min-width:0;display:flex}.switch-label{font-size:13.5px;font-weight:600}.switch-sub{color:var(--muted);font-size:12px}.switch-track{flex:0 0 40px;height:22px;position:relative}.switch-track input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute}.switch-track .switch-thumb{background:#d1d5db;border-radius:999px;transition:background .15s;position:absolute;inset:0}.switch-track .switch-thumb:after{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .15s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #00000040}.switch-track input:checked+.switch-thumb{background:var(--primary)}.switch-track input:checked+.switch-thumb:after{transform:translate(18px)}.template-grid{grid-template-columns:1fr;gap:10px;display:grid}.template-card{text-align:left;border:2px solid var(--border);cursor:pointer;font:inherit;background:#fff;border-radius:12px;flex-direction:column;align-items:flex-start;gap:4px;padding:14px;transition:border-color .12s,box-shadow .12s;display:flex;position:relative}.template-card:hover{border-color:#b9c0f5}.template-card.active{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51f}.template-icon{font-size:24px}.template-name{font-size:14px;font-weight:700}.template-blurb{color:var(--muted);font-size:12.5px;line-height:1.45}.template-check{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:12px;display:flex;position:absolute;top:10px;right:10px}.color-row{align-items:center;gap:10px;display:flex}.color-swatch{border:1px solid var(--border);border-radius:10px;flex:0 0 34px;width:34px;height:34px;position:relative;overflow:hidden}.color-swatch input{opacity:0;cursor:pointer;z-index:2;width:100%;height:100%;position:absolute;inset:0}.color-swatch i{z-index:1;pointer-events:none;display:block;position:absolute;inset:0}.color-value{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12.5px}.seg{background:var(--bg);border:1px solid var(--border);border-radius:10px;gap:4px;padding:3px;display:flex}.seg-btn{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:5px;padding:6px 8px;font-size:12.5px;font-weight:600;transition:background .12s,color .12s;display:inline-flex}.seg-btn:hover{color:var(--text)}.seg-btn.active{color:var(--text);background:#fff;box-shadow:0 1px 2px #1018281f}.seg-icon{font-size:11px}.image-preview{flex-direction:column;gap:8px;display:flex}.image-preview img{object-fit:cover;border:1px solid var(--border);border-radius:10px;width:100%;max-height:150px}.image-actions{gap:8px;display:flex}.image-pick{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.image-or{color:var(--muted);font-size:12px}.image-url-row{flex:1;gap:6px;min-width:180px;display:flex}.input-icon{text-align:center;flex:0 0 56px;width:56px;font-size:18px}.palette-grid{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.palette-card{border:2px solid var(--border);cursor:pointer;font:inherit;background:#fff;border-radius:12px;flex-direction:column;align-items:flex-start;gap:8px;padding:12px;transition:border-color .12s,box-shadow .12s;display:flex;position:relative}.palette-card:hover{border-color:#b9c0f5}.palette-card.active{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51f}.palette-swatches{gap:6px;display:flex}.palette-swatches i{border-radius:8px;width:26px;height:26px;display:block}.palette-name{font-size:13px;font-weight:600}.palette-check{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:12px;display:flex;position:absolute;top:8px;right:8px}.theme-demo{color:var(--muted);align-items:center;gap:8px;font-size:12.5px;display:flex}.demo-chip{border-radius:50%;width:14px;height:14px;display:inline-block}.pages-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.page-row{border:1px solid var(--border);cursor:grab;background:#fff;border-radius:12px;align-items:center;gap:10px;padding:10px 12px;transition:border-color .12s,opacity .12s;display:flex}.page-row.dragging{opacity:.45;border-color:var(--primary)}.page-row.locked{cursor:default;background:#fafbfc}.page-row input[type=checkbox]{width:17px;height:17px;accent-color:var(--primary);cursor:pointer}.drag-handle{color:#b3b8c2;-webkit-user-select:none;user-select:none;font-size:15px}.page-label{font-size:13.5px;font-weight:600}.page-note{color:var(--muted);background:var(--bg);border-radius:999px;margin-left:auto;padding:3px 8px;font-size:11.5px}.page-badge{background:var(--highlight);width:17px;height:17px;color:var(--primary);border:1px solid #4f46e540;border-radius:6px;flex:0 0 17px;justify-content:center;align-items:center;font-size:11px;display:inline-flex}.btn-mini-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-mini-primary:hover{background:var(--primary-dark)}.btn-danger{color:#b42318;border-color:#f4b0ab}.btn-danger:hover{background:#fef3f2;border-color:#f4b0ab}.new-page-form{flex-direction:column;gap:8px;margin-top:10px;display:flex}.new-page-actions{gap:8px;display:flex}.custom-pages{margin-top:12px}.custom-pages-head{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 8px;font-size:12px;font-weight:700}.custom-page-card{background:#fcfcff;border:1px dashed #c9cee6;border-radius:12px;flex-direction:column;gap:12px;padding:14px;display:flex}.custom-page-card .menu-edit-row{gap:8px;display:flex}.add-pages{flex-wrap:wrap;align-items:center;gap:8px;padding-top:4px;display:flex}.add-pages-label{color:var(--muted);font-size:12.5px}.menu-edit-card{border:1px solid var(--border);background:#fff;border-radius:12px;flex-direction:column;gap:8px;padding:12px;display:flex}.menu-edit-row{align-items:center;gap:8px;display:flex}.input-price{flex:0 0 84px;width:84px}.icon-btn{border:1px solid var(--border);width:34px;height:34px;color:var(--muted);cursor:pointer;background:#fff;border-radius:9px;flex:0 0 34px;font-size:13px}.icon-btn:hover{color:#f04438;border-color:#f04438}.empty-note{color:var(--muted);text-align:center;margin:0;font-size:12.5px;font-style:italic}.preview-wrap{flex-direction:column;flex:1;min-height:0;display:flex}.preview-toolbar{background:var(--panel);border-bottom:1px solid var(--border);z-index:10;flex:0 0 52px;justify-content:space-between;align-items:center;gap:12px;padding:0 16px;display:flex}.preview-toolbar-left{align-items:baseline;gap:10px;min-width:0;display:flex}.preview-label{font-size:13px;font-weight:700}.preview-hint{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.preview-toolbar-right{align-items:center;gap:10px;display:flex}.device-seg{background:var(--bg);border:1px solid var(--border);border-radius:10px;gap:2px;padding:3px;display:flex}.device-btn{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:8px;padding:5px 12px;font-size:12.5px;font-weight:600}.device-btn.active{color:var(--text);background:#fff;box-shadow:0 1px 2px #1018281f}.device-frame{background:linear-gradient(135deg,#e8eaf0 0%,#dde0e8 100%);flex:1;justify-content:center;padding:22px;display:flex;overflow:auto}.preview-iframe{background:#fff;border:0;border-radius:12px;flex:1;height:100%;min-height:640px;display:block;box-shadow:0 12px 40px #10182838}.device-tablet .preview-iframe,.device-phone .preview-iframe{flex:none}.sidebar::-webkit-scrollbar{width:10px;height:10px}.device-frame::-webkit-scrollbar{width:10px;height:10px}.sidebar::-webkit-scrollbar-thumb{background:#cdd2dc padding-box content-box;border:2px solid #0000;border-radius:999px}.device-frame::-webkit-scrollbar-thumb{background:#cdd2dc padding-box content-box;border:2px solid #0000;border-radius:999px}@media (width<=980px){.app-body{flex-direction:column}.sidebar{border-right:0;border-bottom:1px solid var(--border);flex:none;width:100%;max-height:45vh}.preview-iframe{min-height:520px}}