:root{--bg:#17150f;--surface:#211e17;--surface-2:#2a2620;--border:#3a3527;--text:#f2eee3;--text-muted:#9c9484;--accent:#c97a3d;--accent-strong:#e08a48;--accent-soft:#c97a3d24;--success:#7fa075;--danger:#bd5b4c;--radius:6px;--font-display:ui-serif, Georgia, "Iowan Old Style", serif;--font-body:system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:ui-monospace, "SF Mono", Menlo, monospace}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);font-family:var(--font-body);margin:0;padding:0;font-size:14px;line-height:1.5}.app{max-width:1400px;margin:0 auto;padding:24px}.topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 20px;margin-bottom:16px;display:flex}.wordmark{font-family:var(--font-display);letter-spacing:.02em;color:var(--text-muted);align-items:center;gap:10px;font-size:20px;display:flex}.seal{width:22px;height:22px;color:var(--accent);flex-shrink:0}.tool-nav{flex-wrap:wrap;gap:4px 14px;display:flex}.tool-nav a{color:var(--text-muted);font-size:13px;text-decoration:none}.tool-nav a:hover{color:var(--text)}.tool-nav a[aria-current=page]{color:var(--accent);text-underline-offset:3px;text-decoration:underline}.nav-dropdown{position:relative}.nav-dropdown-toggle{font-family:var(--font-body);color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;padding:0;font-size:13px;display:inline-flex}.nav-dropdown-toggle:hover{color:var(--text)}.nav-dropdown-toggle[aria-current=page]{color:var(--accent)}.nav-dropdown-caret{flex-shrink:0;width:9px;height:6px;transition:transform .15s}.nav-dropdown-toggle[aria-expanded=true] .nav-dropdown-caret{transform:rotate(180deg)}.nav-dropdown-menu{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);z-index:10;flex-direction:column;gap:2px;min-width:160px;padding:8px;display:none;position:absolute;top:calc(100% + 10px);left:0;box-shadow:0 10px 30px #00000059}.nav-dropdown-menu.is-open{display:flex}.nav-dropdown-menu a{color:var(--text-muted);white-space:nowrap;border-radius:4px;padding:6px 8px;font-size:13px;text-decoration:none}.nav-dropdown-menu a:hover{background:var(--surface-2);color:var(--text)}.nav-dropdown-menu a[aria-current=page]{color:var(--accent)}.app-footer{border-top:1px solid var(--border);gap:18px;margin-top:32px;padding-top:20px;display:flex}.app-footer a{color:var(--text-muted);font-size:12px;text-decoration:none}.app-footer a:hover{color:var(--text)}.page-intro{border-bottom:1px solid var(--border);margin-bottom:28px;padding-bottom:20px}.page-intro h1{font-family:var(--font-display);letter-spacing:.01em;color:var(--text);margin:0;font-size:28px;font-weight:500}.tagline{color:var(--text-muted);margin:8px 0 0;font-size:13px}.layout{grid-template-columns:340px 1fr;align-items:start;gap:20px;display:grid}@media (width<=900px){.layout{grid-template-columns:1fr}main.stage-column{order:1}aside.sidebar{order:2}}@media (pointer:coarse){.position-grid{grid-template-rows:repeat(3,44px);grid-template-columns:repeat(3,44px);gap:6px}.position-cell{width:44px;height:44px}.layer-row-icon-btn{width:44px;height:44px;font-size:16px}}.sidebar,.stage-column{flex-direction:column;gap:20px;display:flex}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.panel h2{font-family:var(--font-display);letter-spacing:.01em;color:var(--text);margin:0 0 12px;font-size:15px;font-weight:500}details.field-group>summary{cursor:pointer;list-style:none}details.field-group>summary::-webkit-details-marker{display:none}details.field-group>summary:before{content:"▸";margin-right:8px;transition:transform .15s;display:inline-block}details.field-group[open]>summary:before{transform:rotate(90deg)}.field-group-enable{cursor:pointer;align-items:center;gap:8px;display:inline-flex}details.field-group>summary+div{grid-template-rows:minmax(0,0fr);transition:grid-template-rows .22s;display:grid!important}details.field-group[open]>summary+div{grid-template-rows:minmax(0,1fr)}.field-group-anim-inner{min-height:0;padding:12px 4px 4px;overflow:hidden}.watermark-details-content h3,.watermark-subsection-title{font-family:var(--font-display);color:var(--text);margin:0 0 12px;font-size:14px;font-weight:500}.watermark-subsection-title{border-top:1px solid var(--border);margin-top:22px;padding-top:18px}.panel-header-row{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.panel-header-row h2,.panel-header-row h3{margin:0}.is-hidden{display:none!important}.prompt-modal-overlay{z-index:100;background:#0009;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.prompt-modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:360px;padding:20px;box-shadow:0 10px 40px #0006}.prompt-modal-label{color:var(--text);margin-bottom:10px;font-size:13px;display:block}.prompt-modal-input{width:100%;margin-bottom:16px}.prompt-modal-actions{justify-content:flex-end;gap:8px;display:flex}.confirm-modal-message{color:var(--text);white-space:pre-line;margin:0 0 16px;font-size:13px}.progress-bar-row{align-items:center;gap:10px;margin-top:12px;display:flex}.progress-bar-track{background:var(--surface-2);border:1px solid var(--border);border-radius:999px;flex:1;height:8px;overflow:hidden}.progress-bar-fill{background:var(--accent);border-radius:999px;width:0%;height:100%;transition:width .2s}.progress-bar-text{color:var(--text-muted);white-space:nowrap;text-align:right;min-width:3.5em;font-size:12px}.field-hint{color:var(--text-muted);margin:0 0 10px;font-size:12px}.trust-badge{color:var(--success);margin:0 0 10px;font-size:12px}.stage-import-hint{border-bottom:1px solid var(--border);margin-bottom:14px;padding-bottom:14px}.stage-loaded-actions{align-items:center;gap:10px;margin-bottom:14px;display:flex}input[type=file],input[type=text],input[type=number],select{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font-body);width:100%;padding:7px 9px;font-size:13px}input[type=file]{padding:6px;font-size:12px}input:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.inline-field{align-items:center;gap:8px;display:flex}.inline-field select{flex:1;min-width:0}.template-select-row{align-items:center;gap:8px;margin-bottom:8px;display:flex}.template-preview-thumb{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2);object-fit:cover;flex-shrink:0;width:40px;height:40px}.template-select-row select{flex:1;min-width:0}.field-with-action{flex-direction:column;gap:6px;display:flex}.field-with-action .btn{width:100%}.field-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:14px;display:grid}.field-group{margin-bottom:20px}.field-group:last-child{margin-bottom:0}.field-group-title{font-family:var(--font-body);color:var(--accent);margin:0 0 10px;font-size:13px;font-weight:600}.field-group>:not(.field-group-title){margin-left:14px}.field{flex-direction:column;gap:5px;display:flex}.field span{color:var(--text-muted);font-size:12px}.field-narrow{max-width:130px}.field-note{margin-top:-1px}.checkbox-field{color:var(--text-muted);align-items:flex-start;gap:8px;font-size:13px;display:flex}.checkbox-field input{margin-top:3px}.button-stack{flex-direction:column;gap:8px;margin-bottom:12px;display:flex}.button-row{flex-wrap:wrap;gap:8px;margin:10px 0 14px;display:flex}.btn{appearance:none;border-radius:var(--radius);font-family:var(--font-body);cursor:pointer;border:1px solid #0000;padding:8px 14px;font-size:13px;font-weight:500;transition:background-color .15s,border-color .15s,color .15s}.btn-accent{background:var(--accent);color:#17150f}.btn-accent:hover{background:var(--accent-strong)}.btn-outline{border-color:var(--accent);color:var(--accent);background:0 0}.btn-outline:hover{background:var(--accent-soft)}.btn-ghost{background:var(--surface-2);border-color:var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--accent)}.btn-danger{color:var(--danger)}.btn-tag{background:var(--surface-2);border-color:var(--border);color:var(--text-muted);padding:6px 11px;font-size:12px}.btn-tag:hover{color:var(--text);border-color:var(--accent)}.btn-lg{padding:11px 22px;font-size:14px}.btn-sm{padding:5px 10px;font-size:12px}.btn:disabled{opacity:.4;cursor:not-allowed}.btn:disabled:hover{border-color:var(--border);color:var(--text-muted)}.button-row-tight{flex-wrap:nowrap;margin:0}.stage{border:1px solid var(--border);border-radius:var(--radius);background:#0e0d09;justify-content:center;align-items:center;min-height:400px;padding:20px;display:flex;position:relative;box-shadow:inset 0 2px 12px #0006}.stage.is-empty{border-style:dashed}.stage-empty{align-items:stretch;display:flex;position:absolute;inset:20px}.stage-empty-zone{border-radius:var(--radius);color:var(--text-muted);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;transition:background .15s,color .15s;display:flex}.stage-empty-zone:hover{color:var(--text);background:#c97a3d14}.stage-empty-zone-icon{opacity:.7;width:52px;height:52px;margin-bottom:4px;transition:opacity .15s}.stage-empty-zone:hover .stage-empty-zone-icon{opacity:1}.stage-empty-zone-title{font-size:19px;font-weight:600}.stage-empty-zone-hint{color:var(--text-muted);font-size:13px}.stage-empty-divider{background:var(--border);width:1px;margin:24px 0}#preview-canvas{touch-action:none;border-radius:2px;max-width:100%;max-height:72vh;position:relative}#preview-canvas.has-image{background:#000}.selection-info{color:var(--accent);min-height:16px;margin-bottom:4px;font-size:12px}.image-info-line{color:var(--text-muted);min-height:16px;margin-bottom:4px;font-size:12px}.hint-banner{color:var(--danger);opacity:0;min-height:16px;margin-bottom:8px;font-size:12px;transition:opacity .2s}.hint-banner.is-visible{opacity:1}.layer-numeric-row{flex-wrap:wrap;gap:12px;margin:0 0 14px;display:flex}.field-inline{align-items:center;gap:6px;display:flex}.field-inline span{color:var(--text-muted);white-space:nowrap;font-size:12px}.field-inline input[type=number]{width:72px}.field-inline select{width:auto}.field-inline input:disabled,.field-inline select:disabled{opacity:.5;cursor:not-allowed}.custom-ratio-inputs{align-items:center;gap:6px;display:flex}.custom-ratio-inputs input[type=number]{width:64px}.btn-tag.is-active{background:var(--accent);border-color:var(--accent);color:#17150f;font-weight:600}.position-cell.is-active{background:var(--accent);border-color:var(--accent)}.position-grid-row{align-items:center;gap:8px;margin:0 0 14px;display:flex}.position-grid{grid-template-rows:repeat(3,22px);grid-template-columns:repeat(3,22px);gap:4px;display:grid}.position-cell{appearance:none;border:1px solid var(--border);background:var(--surface-2);cursor:pointer;border-radius:3px;width:22px;height:22px;padding:0;transition:background-color .15s,border-color .15s}.position-cell:hover{border-color:var(--accent);background:var(--accent-soft)}.batch-count-badge{font-family:var(--font-body);color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent);vertical-align:middle;border-radius:999px;margin-left:8px;padding:2px 9px;font-size:11px;font-weight:600}.thumbnail-strip{gap:8px;margin-bottom:4px;padding-bottom:6px;display:flex;overflow-x:auto}.thumbnail-strip:empty{display:none}.thumbnail{border:2px solid var(--border);cursor:pointer;object-fit:cover;border-radius:4px;flex-shrink:0;width:56px;height:56px}.thumbnail:hover{border-color:var(--text-muted)}.thumbnail.is-active{border-color:var(--accent)}.layer-list{flex-direction:column;gap:6px;margin-top:4px;display:flex}.layer-row{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2);justify-content:space-between;align-items:center;gap:8px;padding:8px 10px;font-size:12px;display:flex}.layer-row.is-selected{border-color:var(--accent);background:var(--accent-soft)}.layer-row-label{text-overflow:ellipsis;white-space:nowrap;color:var(--text);overflow:hidden}.layer-row-meta{color:var(--text-muted);margin-top:2px;font-size:11px;display:block}.layer-row-actions{flex-shrink:0;align-items:center;gap:4px;display:flex}.layer-row-delete{border:1px solid var(--border);color:var(--text-muted);border-radius:var(--radius);cursor:pointer;background:0 0;flex-shrink:0;padding:4px 8px;font-size:11px}.layer-row-delete:hover{border-color:var(--danger);color:var(--danger)}.layer-row-icon-btn{border:1px solid var(--border);width:22px;height:22px;color:var(--text-muted);border-radius:var(--radius);cursor:pointer;background:0 0;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:12px;line-height:1;display:inline-flex}.layer-row-icon-btn:hover{border-color:var(--accent);color:var(--accent)}.layer-row-icon-btn:disabled{opacity:.3;cursor:not-allowed}.layer-row-icon-btn:disabled:hover{border-color:var(--border);color:var(--text-muted)}.log{font-family:var(--font-mono);color:var(--text-muted);max-height:220px;margin-top:12px;font-size:12px;overflow-y:auto}.log-compact{max-height:100px}.log div{border-bottom:1px solid #ffffff0a;padding:2px 0}