:root{color-scheme:light;--panel: #ffffff;--panel-soft: #f6f7f9;--panel-raised: #fbfbfc;--line: #dfe3e8;--line-strong: #c8ced6;--text: #181b20;--muted: #686f7a;--subtle: #9299a3;--green: #315efb;--red: #c2414f;--blue: #315efb;--accent-soft: #eef2ff;--stage: #d7dbe0;--modal-bg: rgba(18, 21, 26, .54);--shadow-sm: 0 1px 2px rgba(18, 21, 26, .06);--shadow-md: 0 12px 32px rgba(18, 21, 26, .12);--radius-sm: 6px;--radius-md: 9px;--radius-lg: 12px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;margin:0}body{overflow:hidden;background:var(--stage);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-user-select:none;user-select:none}button,input,select{font:inherit}input,select,textarea{-webkit-user-select:text;user-select:text}canvas,button,label,.app,.stage-container,.modal{-webkit-user-select:none;user-select:none}.app{display:grid;grid-template-rows:38px minmax(0,1fr);width:100%;height:100%}.topbar{display:flex;align-items:center;gap:10px;min-width:0;padding:0 10px;border-bottom:1px solid var(--line-strong);background:#fffffff5;box-shadow:0 1px 8px #12151a0f;z-index:8}.topbar-brand{display:inline-flex;align-items:center;gap:8px;min-width:132px;font-size:13px;font-weight:820}.topbar-actions{display:flex;align-items:center;gap:2px}.topbar-actions button,.topbar-ghost{min-height:28px;border:0;border-radius:6px;background:transparent;font-size:12px}.topbar-actions button:hover,.topbar-ghost:hover{background:var(--panel-soft)}.topbar-spacer{flex:1;min-width:0}.dock-layout{position:relative;display:grid;grid-template-columns:292px minmax(0,1fr);min-width:0;min-height:0}.tools{display:grid;align-content:start;gap:14px;min-width:0;padding:16px;border-right:1px solid var(--line);background:var(--panel);box-shadow:0 18px 48px #171b2224;z-index:2;overflow-y:auto;overscroll-behavior:contain}.dock-panel{max-height:100%}.tools.is-floating{position:absolute;left:var(--dock-x, 16px);top:var(--dock-y, 56px);width:min(292px,calc(100vw - 28px));max-height:calc(100% - 64px);border:1px solid var(--line-strong);border-radius:8px;box-shadow:0 18px 54px #12151a33;z-index:7}.tools.is-floating .brand{cursor:grab}.tools.is-collapsed{display:none}.tools-dock-floating .dock-layout,.tools-dock-collapsed .dock-layout{grid-template-columns:minmax(0,1fr)}.dock-actions{display:inline-flex;align-items:center;gap:4px;margin-left:auto}.dock-action{min-height:24px;padding:0 7px;border-radius:6px;font-size:10px;font-weight:800}.brand{display:flex;align-items:center;gap:10px;min-height:36px;font-size:15px;font-weight:780}.brand-mark{width:18px;height:18px;border:3px solid var(--green);border-right-color:var(--red);border-bottom-color:var(--blue);border-radius:50%}.brush-preview-container{border:1px solid var(--line);border-radius:8px;height:60px;background:#fff;overflow:hidden;display:flex;justify-content:center;align-items:center}.tool-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.panel-section{display:flex;flex-direction:column}.compact-panel{gap:10px;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--panel-soft)}.mode-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.mode-button{min-height:32px;padding:0 6px;font-size:11px}.toggle-button[aria-pressed=true]{border-color:var(--red);background:#fff0f3;color:var(--red)}.toggle-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.studio-btn{width:100%;min-height:40px;background:var(--blue);color:#fff;border:none;font-weight:700;transition:background .2s}.studio-btn:hover{background:#2452a3}button{min-height:38px;min-width:0;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);font-size:13px;font-weight:740;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:4px}button:hover{border-color:#aeb8c8;background:#f8fafc}button.active{border-color:var(--green);background:#eaf7f3}.btn-sm{min-height:30px;padding:0 8px;font-size:11px}.btn-danger{background:#fff5f5;color:var(--red);border-color:#fad1d1}.btn-danger:hover{background:#ffe3e3;border-color:var(--red)}.field{display:grid;gap:7px;min-width:0;color:var(--muted);font-size:12px;font-weight:700}.field>span{display:flex;justify-content:space-between;gap:10px}output{min-width:3ch;color:var(--text);text-align:right}input[type=color]{width:100%;height:38px;padding:4px;border:1px solid var(--line);border-radius:8px;background:var(--panel-soft);cursor:pointer}input[type=range]{width:100%;accent-color:#1f9bff}.full-row{grid-column:1 / -1}.visually-hidden-file{display:none}.toggle{display:flex;align-items:center;gap:8px;min-height:30px;color:var(--muted);font-size:12px;font-weight:700;cursor:pointer}.toggle input{width:16px;height:16px;accent-color:var(--green)}.toggle-group{display:flex;flex-direction:column;gap:6px}.toggle-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.toggle-grid-spaced{margin-top:6px}.toggle-group-spaced{margin-top:10px}.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-top:4px}.status{display:grid;gap:6px;min-height:48px;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--panel-soft);color:var(--muted);font-size:12px;font-weight:700}.workspace{position:relative;min-width:0;min-height:0;background:var(--stage);overflow:hidden;cursor:none;touch-action:none}.stage-container{width:100%;height:100%;position:relative;overflow:hidden;cursor:none}.stage{position:absolute;top:0;left:0;width:1920px;height:1080px;background:#fff;box-shadow:0 20px 60px #171b222e;cursor:none;touch-action:none;transform-origin:0 0}#stageContainer,#stage,#paintCanvas,#cursorCanvas,#stageContainer *{cursor:none!important}#stage{top:0;right:0;bottom:0;left:0;width:100%!important;height:100%!important;background:transparent!important;box-shadow:none!important;transform:none!important}canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;pointer-events:none;image-rendering:auto}#bgCanvas{background:linear-gradient(45deg,#eef1f6 25%,transparent 25%),linear-gradient(-45deg,#eef1f6 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eef1f6 75%),linear-gradient(-45deg,transparent 75%,#eef1f6 75%);background-color:#fff;background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px}#cursorCanvas{pointer-events:none}.zoom-indicator{position:absolute;bottom:20px;right:20px;padding:8px 12px;background:#ffffffe6;border:1px solid var(--line);border-radius:6px;font-size:12px;font-weight:700;color:var(--text);box-shadow:0 4px 12px #0000001a;pointer-events:none}.modal{position:fixed;top:0;right:0;bottom:0;left:0;display:none;align-items:center;justify-content:center;z-index:1000;pointer-events:none}.modal.active{display:flex;pointer-events:auto}.modal-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--modal-bg);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal .modal-overlay,.modal .modal-container{pointer-events:none}.modal.active .modal-overlay,.modal.active .modal-container{pointer-events:auto}.modal-container{position:relative;background:var(--panel);width:95%;max-width:1100px;height:90%;max-height:750px;border-radius:12px;display:flex;flex-direction:column;box-shadow:0 24px 64px #00000040;overflow:hidden;border:1px solid var(--line);z-index:1001}.modal-header{padding:14px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.modal-header h2{margin:0;font-size:16px;font-weight:800}.modal-close{background:none;border:none;font-size:24px;color:var(--muted);cursor:pointer;min-height:auto;min-width:auto;padding:4px}.modal-close:hover{color:var(--text);background:none}.modal-body{display:grid;grid-template-columns:220px 1fr;flex:1;min-height:0}.modal-sidebar{border-right:1px solid var(--line);background:var(--panel-soft);display:flex;flex-direction:column;padding:12px;gap:8px;min-height:0}.sidebar-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px}.brush-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:4px;margin-top:8px}.brush-list-item{padding:10px;border-radius:6px;background:#fff;border:1px solid var(--line);font-size:12px;font-weight:700;text-align:left;cursor:pointer;transition:all .15s}.brush-list-item:hover{border-color:#aeb8c8;background:#f1f5f9}.brush-list-item.selected{border-color:var(--green);background:#eaf7f3;color:var(--green)}.modal-content-panel{display:flex;flex-direction:column;min-height:0}.studio-tabs-header{display:flex;border-bottom:1px solid var(--line);background:var(--panel-soft)}.studio-tab-btn{border:none;border-right:1px solid var(--line);border-radius:0;background:transparent;color:var(--muted);font-weight:700;padding:12px 20px;min-height:auto}.studio-tab-btn:hover{background:#00000008;color:var(--text)}.studio-tab-btn.active{background:#fff;color:var(--green);box-shadow:inset 0 -2px 0 var(--green)}.settings-and-testpad{display:grid;grid-template-columns:1fr 340px;flex:1;min-height:0}.settings-form{padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.studio-tab-content{display:none;flex-direction:column;gap:16px}.studio-tab-content.active{display:flex}.section-title{font-size:13px;font-weight:800;color:var(--text);border-bottom:1px solid var(--line);padding-bottom:6px;margin-top:8px}.section-title-spaced{margin-top:12px}.section-title-wide-spaced{margin-top:14px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:11px;font-weight:780;color:var(--muted);text-transform:uppercase}.text-input,.select-input{min-height:36px;border:1px solid var(--line);border-radius:6px;padding:0 10px;font-size:13px;width:100%;background:#fff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.texture-setup{display:grid;grid-template-columns:140px 1fr;gap:16px;background:var(--panel-soft);padding:12px;border-radius:8px;border:1px solid var(--line)}.texture-upload-box{display:flex;flex-direction:column;gap:8px}.texture-preview-thumb{aspect-ratio:1;background:#fff;border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--muted);overflow:hidden;background-size:cover;background-position:center}.tip-mode-selection{display:flex;gap:16px;background:var(--panel-soft);padding:8px 12px;border-radius:6px;border:1px solid var(--line);margin-bottom:8px}.radio-label{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--text);cursor:pointer}.radio-label input[type=radio]{accent-color:var(--green);margin:0;width:16px;height:16px}.form-group-sub{display:flex;flex-direction:column;gap:14px}.is-hidden{display:none}.section-subtitle{font-size:11px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px dashed var(--line);padding-bottom:4px;margin-top:10px;margin-bottom:4px}.injected-settings{margin-top:12px;padding-top:10px;border-top:1px solid rgba(255,255,255,.08)}.control-label{display:flex;justify-content:space-between;margin-bottom:4px;color:#ddd;font-size:12px}.stacked-range{margin-bottom:10px}.persistent-assets{margin-top:14px}.persistent-assets-title{margin-bottom:6px;color:#bbb;font-size:12px;font-weight:600}.persistent-assets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(42px,1fr));gap:8px}.stamp-setup{display:grid;grid-template-columns:140px 1fr;gap:16px;background:var(--panel-soft);padding:12px;border-radius:8px;border:1px solid var(--line)}.stamp-upload-box{display:flex;flex-direction:column;gap:8px}.stamp-preview-thumb{aspect-ratio:1;background:#fff;border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--muted);overflow:hidden;background-size:contain;background-repeat:no-repeat;background-position:center}.built-in-stamps-grid-container{display:flex;flex-direction:column;gap:6px;min-height:0}.grid-title{font-size:11px;font-weight:780;color:var(--muted);text-transform:uppercase}.built-in-stamps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:6px;max-height:120px;overflow-y:auto;padding:2px}#saveBrushBtn{padding:8px 20px;border:1px solid var(--green);border-radius:6px;background:var(--green);color:#fff;font-weight:600;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all .15s;box-shadow:0 1px 2px #0000000d}#saveBrushBtn:hover{background:#126f59;border-color:#126f59;box-shadow:0 0 0 2px #17866c26}#saveBrushBtn:active{transform:scale(.97)}.modal-footer{display:flex;justify-content:flex-end;gap:12px;padding:12px 24px;border-top:1px solid var(--line);border-bottom-right-radius:8px;border-bottom-left-radius:8px;background:#10141c08}.built-in-stamp-btn{aspect-ratio:1;padding:2px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;min-height:auto;min-width:auto}.built-in-stamp-btn:hover{border-color:#aeb8c8;background:#f1f5f9}.built-in-stamp-btn.selected{border-color:var(--green);background:#eaf7f3;box-shadow:0 0 0 2px #17866c33}.built-in-stamp-btn canvas{position:static;width:100%;height:100%;object-fit:contain}.scratchpad-area{border-left:1px solid var(--line);background:#f8fafc;display:flex;flex-direction:column;padding:16px;gap:12px;min-height:0}.studio-live-preview-box{background:#fff;border:1px solid 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4px;font-size:14px;letter-spacing:-.01em}.brand-mark{position:relative;width:19px;height:19px;border:0;border-radius:5px;background:var(--text)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;left:4px;right:4px;height:2px;border-radius:2px;background:#fff;transform:rotate(-22deg)}.brand-mark:before{top:6px}.brand-mark:after{top:11px}.side-section{display:grid;gap:10px;min-width:0;padding:11px;border:1px solid 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