:root{--bg:#f4f5f7;--panel:#fff;--border:#e2e4e9;--text:#1f2430;--text-muted:#6b7280;--accent:#2563eb;--accent-contrast:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}button{cursor:pointer;font-family:inherit}.app-shell{flex-direction:column;height:100vh;display:flex}.app-body{flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:auto minmax(0,1fr) 320px;min-height:0;display:grid}.left-panel{flex-direction:column;max-width:340px;display:flex;overflow:hidden}.left-panel .tabs{flex-shrink:0}.tab-panes{flex:1;grid-template-rows:minmax(0,1fr);min-height:0;display:grid}.tab-pane{visibility:hidden;opacity:0;pointer-events:none;grid-area:1/1;min-width:0;overflow-y:auto}.tab-pane.is-active{visibility:visible;opacity:1;pointer-events:auto}.toolbar{background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:16px;padding:10px 16px;display:flex;position:relative}.toolbar-right{align-items:center;gap:6px;display:flex}.toolbar-secondary{display:contents}.toolbar-brand{flex:1 1 0;align-items:center;gap:6px;min-width:0;margin-right:8px;font-weight:700;display:flex}.toolbar-center{flex-shrink:0;align-items:center;gap:16px;display:flex}.toolbar .btn-icon{padding:6px 9px}.name-id-chip{color:var(--text-muted);white-space:nowrap;flex-shrink:0;font-size:11.5px;font-weight:400}.tpl-card.is-locked .tpl-preview{cursor:not-allowed}.tpl-card.is-locked .tpl-preview-inner{opacity:.5}.tpl-lock-badge{text-overflow:ellipsis;white-space:nowrap;color:#fff;background:#282622d9;border-radius:6px;max-width:calc(100% - 16px);padding:3px 8px;font-size:11px;position:absolute;top:8px;left:8px;overflow:hidden}.lock-blocked-toast{z-index:90;color:#fff;background:#2b2622;border-radius:10px;align-items:center;gap:12px;max-width:calc(100vw - 32px);padding:12px 16px;font-size:13px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 12px 30px #0000004d}.lock-lost-banner{z-index:70;color:#fff;text-align:center;background:#c0392b;padding:8px 16px;font-size:12.5px;position:absolute;top:100%;left:0;right:0}.name-warning{color:#fff;z-index:70;white-space:nowrap;background:#c0392b;border-radius:6px;margin-top:6px;padding:5px 12px;font-size:12px;font-weight:400;position:absolute;top:100%;left:16px}.brand-client{text-overflow:ellipsis;white-space:nowrap;max-width:150px;overflow:hidden}.brand-sep{color:var(--text-muted);font-weight:400}.toolbar-group{gap:6px;display:flex}.toolbar-right{flex:1 1 0;justify-content:flex-end;min-width:0;margin-left:auto}.btn{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:6px;padding:6px 12px;font-size:13px}.btn:hover:not(:disabled){border-color:var(--accent)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-active,.btn-primary{background:var(--accent);color:var(--accent-contrast);border-color:var(--accent)}.panel{background:var(--panel);border-right:1px solid var(--border);padding:14px;overflow-y:auto}.inspector{border-right:none;border-left:1px solid var(--border);flex-direction:column;display:flex}.inspector>.panel-title,.inspector>.inspector-body{flex-shrink:0}.version-badge{color:var(--text-muted);opacity:.7;text-align:right;-webkit-user-select:none;user-select:none;margin-top:auto;padding-top:14px;font-size:10px}.panel-title{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:10px;font-size:12px;font-weight:700}.library-hint{color:var(--text-muted);margin-bottom:10px;font-size:12px}.library-list{flex-direction:column;gap:8px;display:flex}.library-item{border:1px solid var(--border);cursor:grab;-webkit-user-select:none;user-select:none;background:#fafbfc;border-radius:8px;align-items:center;gap:10px;padding:10px;font-size:13px;display:flex}.library-item:hover{border-color:var(--accent);background:#eef4ff}.library-item-icon{width:22px;height:22px;color:var(--text-muted);justify-content:center;align-items:center;font-size:13px;display:inline-flex}.canvas-scroll{background:var(--bg);flex-direction:column;align-items:safe center;padding:36px;display:flex;overflow:auto}.email-frame{background:#fff;flex-shrink:0;min-width:0;min-height:400px;transition:width .15s;box-shadow:0 1px 3px #00000014,0 8px 24px #0000000f}.email-frame.is-desktop,.snippet-banner.is-desktop{width:100%}.email-frame.is-mobile,.snippet-banner.is-mobile{width:375px}.email-frame table{border-spacing:0;border-collapse:collapse}.email-frame img{border:none;outline:none;text-decoration:none}.block-toolbar{text-align:left;direction:ltr}.lucide{vertical-align:-.125em;flex-shrink:0;width:1em;height:1em}.dropzone-placeholder{font-size:13px}.dropzone{min-height:48px}.dropzone-empty{border:2px dashed var(--border);border-radius:8px;justify-content:center;align-items:center;min-height:80px;margin:8px;display:flex}.dropzone.is-over{outline:2px dashed var(--accent);outline-offset:-2px;background:#eef4ff}.dropzone-placeholder{color:var(--text-muted);font-size:13px}.root-dropzone{min-height:400px}.block-item{position:relative}.block-item:hover{outline-offset:-1px;outline:1px solid #cbd5f5}.block-item.is-selected{outline:1px solid var(--accent);outline-offset:-1px}.block-toolbar{background:var(--accent);color:#fff;z-index:20;filter:drop-shadow(0 1px 2px #0f12194d);white-space:nowrap;pointer-events:auto;background-clip:padding-box;border-bottom:5px solid #0000;border-radius:5px 5px 10px 10px;align-items:center;gap:8px;padding:3px 4px 3px 8px;font-size:11px;display:none;position:absolute;bottom:100%;right:-1px}.block-toolbar:after{content:"";border:5px solid #0000;border-top-color:var(--accent);position:absolute;top:100%;right:10px}:is(.block-item:hover:not(:has(.block-item:hover))>.block-toolbar,.block-item.is-selected>.block-toolbar){display:flex}.block-item.is-selected:has(.block-item:hover)>.block-toolbar{display:none}.block-label{align-items:center;gap:5px;font-weight:600;display:inline-flex}.block-label.drag-handle{cursor:grab}.block-label.drag-handle:active{cursor:grabbing}.block-label-grip{opacity:.7;font-size:11px}.block-content{cursor:grab}.block-content:active{cursor:grabbing}.block-label-icon{opacity:.9;font-size:12px;line-height:1}.block-label-name{text-overflow:ellipsis;max-width:160px;overflow:hidden}.block-toolbar-actions{pointer-events:auto;gap:4px;display:flex}.block-toolbar-actions button{color:#fff;background:#ffffff26;border:none;border-radius:4px;width:22px;height:20px;font-size:12px;line-height:1}.block-toolbar-actions button:hover{background:#ffffff4d}.drag-handle{cursor:grab}.block-content{min-height:20px}.column-dropzone{min-width:0;min-height:40px}.column-dropzone.dropzone-empty{min-height:60px;margin:4px}.left-panel .tabs{margin-top:-4px}.layers-tree{-webkit-user-select:none;user-select:none;font-size:12.5px}.layer-row{cursor:grab;white-space:nowrap;border-radius:5px;align-items:center;gap:5px;padding:5px 6px;display:flex;overflow:hidden}.layer-row:active{cursor:grabbing}.layer-row.is-hidden,.layer-row.is-hidden:active{cursor:default}.layer-drag-handle{cursor:grab}.layer-drag-handle:active{cursor:grabbing}.layer-row:hover{background:#eef4ff}.layer-row.is-selected{background:var(--accent);color:#fff}.layer-row.is-selected .layer-snippet,.layer-row.is-selected .layer-icon{color:#ffffffbf}.layer-chevron{width:14px;color:inherit;background:0 0;border:none;flex-shrink:0;padding:0;font-size:11px;transition:transform .1s}.layer-chevron.is-open{transform:rotate(90deg)}.layer-chevron-spacer{flex-shrink:0;width:14px}.layer-icon{text-align:center;width:16px;color:var(--text-muted);flex-shrink:0;font-size:11px}.layer-label{flex-shrink:0;font-weight:600}.layer-snippet{color:var(--text-muted);text-overflow:ellipsis;font-size:11.5px;overflow:hidden}.layer-right{flex-shrink:0;align-items:center;gap:2px;margin-left:auto;display:inline-flex}.layer-eye{visibility:hidden;display:inline-flex}.layer-row:hover .layer-eye,.layer-eye.is-off{visibility:visible}.layer-eye.is-off{opacity:.45}.layer-row.is-hidden .layer-icon,.layer-row.is-hidden .layer-label,.layer-row.is-hidden .layer-snippet{opacity:.45;text-decoration:line-through}.layer-actions{visibility:hidden;flex-shrink:0;gap:2px;display:inline-flex}.layer-row:hover .layer-actions.is-muted,.layer-actions.is-muted{visibility:hidden}.layer-rename-input{border:1px solid var(--accent);min-width:0;color:var(--text);background:#fff;border-radius:4px;flex:1;padding:1px 5px;font-family:inherit;font-size:12px;font-weight:600}.layer-rename-input:focus{outline:none}.layer-row:hover .layer-actions{visibility:visible}.layer-action{color:inherit;background:0 0;border:none;flex-shrink:0;padding:0 3px;font-size:11px}.layer-action:hover{color:var(--accent)}.layer-row.is-selected .layer-action:hover{color:#fff;opacity:.8}.layer-row.is-dragging{opacity:.4}.layer-row.is-drop-target{box-shadow:inset 0 -2px 0 0 var(--accent);background:#eef4ff}.layer-col-label.is-drop-target{box-shadow:inset 0 0 0 1px var(--accent);color:var(--accent);background:#eef4ff;border-radius:4px}.layer-col-label{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);gap:6px;padding:4px 6px 2px;font-size:10.5px;font-weight:700;display:flex}.block-item.layer-hover{outline:1px dashed var(--accent);outline-offset:-1px}.drop-indicator{background:var(--accent);pointer-events:none;border-radius:3px;height:3px;margin:3px 0;position:relative;box-shadow:0 0 6px #2563eb80}.drop-indicator:before,.drop-indicator:after{content:"";background:var(--accent);border-radius:50%;width:9px;height:9px;position:absolute;top:-3px}.drop-indicator:before{left:-3px}.drop-indicator:after{right:-3px}.dropzone.is-drop-active.dropzone-empty{outline:2px solid var(--accent);outline-offset:-2px;background:#eef4ff}.block-item.is-snippet:hover{outline-offset:-1px;outline:1px solid #ddd6fe}.block-item.is-snippet.is-selected{outline-offset:-1px;outline:1px solid #7c3aed}.block-item[data-block-type=snippet]>.block-toolbar{background-color:#7c3aed}.block-item[data-block-type=snippet]>.block-toolbar:after{border-top-color:#7c3aed}.snippet-banner{color:#5b21b6;background:#ede9fe;border:1px solid #c4b5fd;border-radius:8px;flex-shrink:0;margin:0 auto 10px;padding:8px 12px;font-size:12.5px}.email-frame{margin:0 auto}.snippet-edit-host{outline-offset:-1px;background:#faf8ff;outline:2px solid #7c3aed;position:relative}.snippet-edit-host-title{color:#fff;letter-spacing:.03em;background:#7c3aed;padding:4px 8px;font-size:11px;font-weight:600}.snippet-editing-chip{color:#5b21b6;background:#ede9fe;border:1px solid #c4b5fd;border-radius:6px;padding:5px 10px;font-size:12.5px}.snippet-actions{gap:8px;margin-bottom:10px;display:flex}.library-item-snippet .library-item-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.library-item-delete{color:var(--text-muted);background:0 0;border:none;flex-shrink:0;padding:2px 4px;font-size:11px}.library-item-delete:hover{color:#d33}.auth-loading{height:100vh;color:var(--text-muted);justify-content:center;align-items:center;font-size:14px;display:flex}.login-shell{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;width:100%;max-width:360px;padding:28px 24px;box-shadow:0 8px 30px #0f12191a}.login-brand{margin-bottom:14px;font-size:22px;font-weight:800}.login-hint{color:var(--text-muted);margin:0 0 16px;font-size:13px;line-height:1.5}.login-card .field{margin-bottom:12px}.login-card input[type=email],.login-card input[inputmode=numeric]{border:1px solid var(--border);border-radius:8px;width:100%;padding:9px 11px;font-family:inherit;font-size:15px}.login-card input[inputmode=numeric]{letter-spacing:6px;text-align:center}.login-submit{width:100%;margin-top:4px;padding:9px;font-size:14px}.login-error{color:#c0392b;margin-bottom:10px;font-size:12.5px}.login-qr{border:1px solid var(--border);border-radius:8px;margin:0 auto 12px;display:block}.login-secret{color:var(--text-muted);text-align:center;margin-bottom:14px;font-size:11.5px}.login-secret code{letter-spacing:1px;color:var(--text);word-break:break-all;margin-top:4px;font-size:12px;display:block}.login-email-chip{background:var(--bg);border:1px solid var(--border);text-align:center;border-radius:8px;margin-bottom:12px;padding:6px 10px;font-size:13px;font-weight:600}.login-link{width:100%;color:var(--text-muted);cursor:pointer;background:0 0;border:none;margin-top:10px;font-size:12.5px;text-decoration:underline;display:block}.login-fineprint{color:var(--text-muted);text-align:center;margin-top:12px;font-size:11.5px}.login-secondary{margin-bottom:8px}.backup-codes{border:1px solid var(--border);background:var(--panel);letter-spacing:.5px;border-radius:8px;grid-template-columns:1fr 1fr;gap:6px 16px;margin:0 0 14px;padding:12px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:13px;list-style:none;display:grid}.client-login-note{color:#2e7d32;margin-top:6px;font-size:12px}.account-logout{color:var(--text-muted)}.client-login{border-top:1px dashed var(--border);margin-top:2px;padding-top:8px}.client-login-row{align-items:center;gap:6px;display:flex}.client-login-email{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:12px;overflow:hidden}.client-login-badge{text-transform:uppercase;color:#fff;background:#9ca3af;border-radius:4px;margin-left:6px;padding:1px 5px;font-size:9.5px;font-weight:700}.client-login-badge.is-on{background:#0e7490}.client-login-remove{color:var(--text-muted);background:0 0;border:none;padding:2px 4px;font-size:11px}.client-login-add{gap:6px;display:flex}.share-link{align-items:center;gap:6px;min-width:0;display:flex}.share-link-text{min-width:0;color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:11.5px;overflow:hidden}.share-link-copy{color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;margin:-4px 0;padding:6px;display:flex}.share-link-copy:hover{color:var(--accent)}.share-link-copy svg{width:14px;height:14px}.client-login-add input{border:1px solid var(--border);border-radius:6px;flex:1;min-width:0;padding:5px 8px;font-size:12px}.templates-page{background:var(--bg);z-index:80;position:fixed;inset:0;overflow-y:auto}.templates-header{background:var(--panel);border-bottom:1px solid var(--border);z-index:2;justify-content:space-between;align-items:center;padding:14px 20px;display:flex;position:sticky;top:0}.templates-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;padding:20px;display:grid}.tpl-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:8px;padding:10px;display:flex}.tpl-card.is-open{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.tpl-new{min-height:240px;color:var(--text-muted);cursor:pointer;background:#fafbfc;border-style:dashed;justify-content:center;align-items:center;font-size:14px}.tpl-new:hover{border-color:var(--accent);color:var(--accent)}.tpl-new-plus{font-size:32px;line-height:1}.tpl-preview{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:6px;height:170px;position:relative;overflow:hidden}.tpl-preview-inner{transform-origin:0 0;pointer-events:none;width:600px;transform:scale(.37)}.tpl-open-badge{background:var(--accent);color:#fff;text-transform:uppercase;letter-spacing:.04em;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700;position:absolute;top:6px;right:6px}.tpl-name{background:0 0;border:1px solid #0000;border-radius:5px;padding:4px 6px;font-family:inherit;font-size:13px;font-weight:600}.tpl-name:hover,.tpl-name:focus{border-color:var(--border);background:#fff;outline:none}.tpl-meta{color:var(--text-muted);align-items:center;gap:8px;padding:0 6px;font-size:11px;display:flex}.tpl-snippet-count{color:#7c3aed;font-weight:600}.tpl-actions{gap:6px;display:flex}.tpl-actions .btn{padding:4px 10px;font-size:12px}.tpl-actions .btn:first-child{flex:1}.tpl-delete:hover{color:#d33;border-color:#d33}.email-name-input{color:var(--text);border:1px solid var(--border);border-radius:6px;flex:auto;min-width:140px;max-width:420px;padding:5px 10px;font-family:inherit;font-size:12.5px}.email-name-input:focus{border-color:var(--accent);outline:none}.email-name-input::placeholder{color:var(--text-muted);font-style:italic}.canvas-scroll-source{flex-direction:column;padding:8px 12px 10px;display:flex}.source-view{flex-direction:column;flex:1;width:100%;min-height:0;display:flex}.source-view-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.source-view-head .tabs{border-bottom:none;margin-bottom:0}.source-view-head .tab{padding:4px 10px}.source-view-hint{color:var(--text-muted);font-size:11.5px}.source-scope-tabs .tab{text-overflow:ellipsis;white-space:nowrap;max-width:220px;overflow:hidden}.source-view-tools{align-items:center;gap:8px;display:flex}.source-theme-toggle{padding:4px 8px}.source-view-editor{border:1px solid var(--border);border-radius:8px;flex:1;min-height:0;overflow:hidden}.source-view-editor>div,.source-view-editor .cm-editor{height:100%}.image-upload{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.image-upload-hint{color:var(--text-muted);font-size:11px}.image-upload-error{color:#c0392b;width:100%;font-size:12px}.image-upload-warn{background:#fdf6e3;border:1px solid #f0c36d;border-radius:8px;width:100%;padding:10px;font-size:12px}.image-upload-warn p{margin:0 0 8px}.image-upload-warn-actions{flex-wrap:wrap;gap:6px;display:flex}.client-select{border:1px solid var(--border);background:#fff;border-radius:6px;max-width:140px;padding:5px 6px;font-family:inherit;font-size:12px}.clients-add{gap:8px;max-width:480px;padding:16px 20px 0;display:flex}.clients-add input{border:1px solid var(--border);border-radius:6px;flex:1;min-width:0;padding:7px 10px;font-size:13px}.client-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:8px;padding:12px;display:flex}.client-card.is-active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.client-name{font-size:15px}.client-name-fixed{color:var(--text-muted);padding:4px 6px;font-weight:600}.tpl-client-select{border:1px solid var(--border);background:#fff;border-radius:5px;margin:0 6px;padding:3px 6px;font-family:inherit;font-size:11.5px}.snippet-usage-badge{color:#5b21b6;background:#ede9fe;border-radius:8px;flex-shrink:0;padding:1px 6px;font-size:10.5px;font-weight:700}.snippet-usage{margin-bottom:10px}.snippet-usage-list{color:var(--text);margin:4px 0 0;padding-left:18px;font-size:12.5px}.snippet-usage-list li{margin-bottom:2px}.snippet-usage-count{color:var(--text-muted)}.save-row-wrap{margin-bottom:8px}.save-row-wrap .save-row{border-radius:8px 8px 0 0;margin-bottom:0}.save-versions-toggle{text-align:left;border:1px solid var(--border);width:100%;color:var(--text-muted);background:#fafbfc;border-top:none;border-radius:0 0 8px 8px;padding:4px 10px;font-size:11px;display:block}.save-versions-toggle:disabled{color:#b6bcc6}.save-versions-toggle.is-expanded{border-radius:0}.save-versions{border:1px solid var(--border);border-top:none;border-radius:0 0 8px 8px;padding:4px 8px}.save-version-row{justify-content:space-between;align-items:center;gap:8px;padding:3px 0;display:flex}.save-version-row .btn{padding:2px 8px;font-size:11px}.save-version-date{color:var(--text-muted);font-size:11px}.tpl-bp-badge{color:#fff;text-transform:uppercase;letter-spacing:.04em;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700;position:absolute;top:6px;left:6px}.tpl-bp-badge.is-ready{background:#0e7490}.tpl-bp-badge.is-draft{background:#9ca3af}.tpl-card.is-draft{opacity:.85;border-style:dashed}.tpl-ready-toggle{color:var(--text);cursor:pointer;align-items:center;gap:6px;padding:2px 2px 0;font-size:12px;display:flex}.tpl-ready-toggle input{accent-color:#0e7490}.save-global-badge{color:#fff;text-transform:uppercase;background:#0e7490;border-radius:4px;margin-left:6px;padding:1px 5px;font-size:9.5px;font-weight:700}.save-global-badge.is-draft{background:#9ca3af}.client-refresh{width:100%;margin-top:4px;font-size:12px}.client-card-blueprints{border-color:#0e7490}.tpl-header-hint{color:var(--text-muted);text-transform:none;letter-spacing:0;font-size:12px;font-weight:400}.save-open-badge{background:var(--accent);color:#fff;text-transform:uppercase;border-radius:4px;margin-left:6px;padding:1px 5px;font-size:9.5px;font-weight:700}.save-row.is-open{border-color:var(--accent)}.font-add-row{gap:6px;display:flex}.font-add-row input{border:1px solid var(--border);border-radius:6px;flex:1;min-width:0;padding:6px 8px;font-size:13px}.font-row{border:1px solid var(--border);border-radius:6px;margin-bottom:6px;padding:8px;font-size:14px}.font-row-head{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.font-fallback select{border:1px solid var(--border);border-radius:6px;width:100%;padding:5px 8px;font-size:12px}.font-row button{color:var(--text-muted);background:0 0;border:none;padding:2px 4px;font-size:11px}.font-row button:hover{color:#d33}.save-row{border:1px solid var(--border);border-radius:8px;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;padding:8px;display:flex}.save-info{min-width:0}.save-name{font-size:13px;font-weight:600}.save-date{color:var(--text-muted);font-size:11px}.save-actions{flex-shrink:0;align-items:center;gap:4px;display:flex}.save-actions .btn{padding:4px 8px;font-size:12px}.save-delete{color:var(--text-muted);background:0 0;border:none;padding:2px 4px;font-size:11px}.save-delete:hover{color:#d33}.library-group{margin-bottom:14px}.library-group-title{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:6px;font-size:11px;font-weight:700}.padding-row{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.padding-row input{border:1px solid var(--border);border-radius:6px;width:100%;padding:6px 8px;font-size:13px}.inspector-hint{color:var(--text-muted);font-size:13px}.tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:12px;display:flex}.tab{color:var(--text-muted);background:0 0;border:none;border-bottom:2px solid #0000;padding:8px 10px;font-size:13px}.tab.is-active{color:var(--accent);border-bottom-color:var(--accent)}.tab:disabled{opacity:.35;cursor:not-allowed}.field{margin-bottom:12px;display:block}.field-label{color:var(--text-muted);margin-bottom:4px;font-size:12px;display:block}.field input[type=text],.field input[type=number],.field textarea,.field select{border:1px solid var(--border);border-radius:6px;width:100%;padding:6px 8px;font-family:inherit;font-size:13px}.field input[type=color]{border:1px solid var(--border);border-radius:6px;width:100%;height:32px;padding:2px}.field-row{grid-template-columns:1fr 1fr;gap:10px;display:grid}.html-tab-hint{color:var(--text-muted);margin-bottom:8px;font-size:12px}.html-tab-actions{gap:8px;margin-top:10px;display:flex}.drag-overlay-chip{background:var(--accent);color:#fff;border-radius:6px;padding:6px 14px;font-size:13px;box-shadow:0 4px 12px #0003}.modal-overlay{z-index:100;background:#0f121980;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:#1e1e1e;border-radius:10px;width:min(800px,92vw);padding:16px;box-shadow:0 20px 50px #0006}.modal-header{color:#fff;justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.modal-footer{gap:8px;margin-top:12px;display:flex}.drag-handle{touch-action:none}.library-item{touch-action:manipulation}.mobile-only{display:none}.panel-title-row{justify-content:space-between;align-items:center;display:flex}.panel-close{color:var(--text-muted);background:0 0;border:none;margin-left:auto;padding:4px 8px;font-size:13px}@media (width<=768px){.mobile-only{justify-content:center;align-items:center;display:inline-flex}.toolbar-brand{flex:1;min-width:0;margin-right:0}.brand-client,.brand-sep{display:none}.toolbar-brand .email-name-input{width:100%;min-width:0}.toolbar .btn{padding:6px 10px}.toolbar{flex-wrap:wrap;gap:6px 8px;padding:8px 10px}.toolbar-center{flex:100%;order:10;justify-content:center}.toolbar-right{margin-left:auto}.toolbar-secondary{display:none}.toolbar-secondary.is-open{z-index:70;background:var(--panel);border:1px solid var(--border);border-radius:10px;flex-direction:column;align-items:stretch;gap:8px;min-width:240px;max-width:calc(100vw - 16px);padding:10px;display:flex;position:absolute;top:calc(100% + 4px);right:8px;box-shadow:0 12px 30px #0000002e}.toolbar-secondary.is-open .btn,.toolbar-secondary.is-open .client-select{width:100%}.toolbar-more-backdrop{z-index:65;position:fixed;inset:0}.app-body{grid-template-columns:1fr}.left-panel{z-index:60;width:min(320px,85vw);transition:transform .2s;position:fixed;top:0;bottom:0;left:0;transform:translate(-105%);box-shadow:10px 0 30px #0000001f}.left-panel.mobile-open{transform:none}.inspector{z-index:60;border-left:none;border-top:1px solid var(--border);border-radius:14px 14px 0 0;max-height:72vh;transition:transform .2s;position:fixed;inset:auto 0 0;transform:translateY(105%);box-shadow:0 -10px 30px #00000026}.inspector.mobile-open{transform:none}.mobile-backdrop{z-index:50;background:#0f121959;position:fixed;inset:0}.canvas-scroll{padding:36px 8px 16px}.email-frame.is-desktop,.snippet-banner.is-desktop{width:900px}.snippet-editing-chip{padding:4px 6px;font-size:11px}}@media (width>=769px){.mobile-backdrop{display:none}}