/**
 * Filter FabJS
 * Modular source extracted from v2.0.7; modular architecture v2.1.0.
 * Licensed GPL-2.0-or-later. See LICENSE and README.md.
 */
:root{color-scheme:dark;--bg:#08050d;--panel:#110a19;--panel2:#180e23;--panel3:#24142f;--surface-hover:#2d1938;--line:#4a2b58;--line2:#674276;--text:#cdddb7;--text-strong:#f6efc4;--heading:#ece49d;--muted:#91a085;--accent:#e1ec1a;--accent-hover:#f0f562;--accent-ink:#08050d;--accent2:#c429a3;--info:#088dbf;--good:#78c972;--warn:#ece49d;--bad:#ff647c;--code-bg:#061005;--code-text:#a8d59a;--r:#e45a87;--g:#9fd36a;--b:#38a9d4;--a:#d8cbe6;--radius:12px;--shadow:0 18px 45px rgba(3,1,5,.55)}
*{box-sizing:border-box}html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font:14px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;overflow:hidden}button,input,select,textarea{font:inherit;color:inherit}button,select,input[type=text],input[type=number]{border:1px solid var(--line2);background:var(--panel2);border-radius:8px}button{padding:8px 11px;cursor:pointer;transition:.15s ease;white-space:nowrap}button:hover{border-color:var(--line2);background:var(--surface-hover)}button:active{transform:translateY(1px)}button.primary{background:var(--accent);border-color:transparent;color:var(--accent-ink);font-weight:800;box-shadow:0 0 18px rgba(225,236,26,.12)}button.primary:hover{background:var(--accent-hover);box-shadow:0 0 22px rgba(225,236,26,.18)}button.icon{width:36px;height:36px;padding:0;display:grid;place-items:center;font-size:16px}button.ghost{background:transparent}.icon-link{width:36px;height:36px;padding:0;display:grid;place-items:center;border:1px solid var(--line2);border-radius:8px;background:transparent;color:var(--text-strong);text-decoration:none;cursor:pointer;transition:.15s ease}.icon-link:hover{border-color:var(--accent2);background:var(--surface-hover);color:var(--heading)}.icon-link:active{transform:translateY(1px)}.icon-link svg{width:18px;height:18px;fill:currentColor}button.danger:not(:disabled){border-color:rgba(255,100,124,.45);color:#ffb4c0}button.danger:not(:disabled):hover{border-color:var(--bad);background:rgba(255,100,124,.11)}button.active{border-color:var(--accent);background:rgba(225,236,26,.10);color:var(--text-strong)}button:disabled,input:disabled,select:disabled,textarea:disabled{opacity:.55;cursor:not-allowed}button:focus-visible,.icon-link:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}select{height:36px;padding:0 30px 0 10px;min-width:150px}input[type=text],input[type=number]{padding:7px 9px;min-width:0}input[type=range]{accent-color:var(--accent);width:100%}
.app{height:100%;display:grid;grid-template-rows:58px minmax(0,1fr) 30px}.topbar{display:flex;align-items:center;gap:10px;padding:0 14px;border-bottom:1px solid var(--line);background:rgba(17,10,25,.94);backdrop-filter:blur(14px);z-index:20}.brand{display:flex;align-items:center;gap:10px;margin-right:6px;min-width:max-content}.logo{width:30px;height:30px;border:1px solid var(--line2);border-radius:9px;background:linear-gradient(145deg,#2d1938,#180e23);box-shadow:0 0 28px rgba(196,41,163,.28);position:relative;display:grid;place-items:center;overflow:hidden}.logo svg{width:19px;height:19px;display:block;filter:drop-shadow(0 1px 3px rgba(225,236,26,.18))}.logo path{fill:none;stroke:var(--accent);stroke-width:2.35;stroke-linecap:round;stroke-linejoin:round}.brand strong{font-size:15px;color:var(--text-strong)}.brand small{display:block;color:var(--muted);font-size:10px;margin-top:-2px}.spacer{flex:1}.toolbar-group{display:flex;align-items:center;gap:7px}.toolbar-cluster{display:flex;align-items:center;gap:7px}.toolbar-divider{width:1px;height:24px;background:var(--line2);margin:0 2px;flex:0 0 auto}.action-button{display:inline-flex;align-items:center;justify-content:center;gap:7px}.action-button svg{width:15px;height:15px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.workspace{min-height:0;display:grid;grid-template-columns:minmax(360px,1fr) 410px}.preview-pane{min-width:0;min-height:0;display:grid;grid-template-rows:46px minmax(0,1fr);background:#090b0f}.preview-toolbar{display:flex;align-items:center;gap:8px;padding:0 12px;border-bottom:1px solid var(--line);background:var(--panel)}.segmented{display:flex;background:var(--code-bg);border:1px solid var(--line);border-radius:9px;padding:3px;gap:2px}.segmented button{border:0;background:transparent;padding:5px 9px;border-radius:6px;color:var(--muted)}.segmented button.active{background:var(--panel3);color:var(--text-strong);box-shadow:0 1px 5px rgba(0,0,0,.3)}.canvas-stage{position:relative;overflow:hidden;display:grid;place-items:center;background-color:#090b0f;background-image:linear-gradient(45deg,#10141b 25%,transparent 25%),linear-gradient(-45deg,#10141b 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#10141b 75%),linear-gradient(-45deg,transparent 75%,#10141b 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}.canvas-wrap{position:relative;box-shadow:var(--shadow);transform-origin:center;line-height:0;max-width:calc(100% - 48px);max-height:calc(100% - 48px);overflow:hidden;border-radius:2px;border:1px solid rgba(255,255,255,.08);background-color:#d4d4d4;background-image:linear-gradient(45deg,#ececec 25%,transparent 25%),linear-gradient(-45deg,#ececec 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ececec 75%),linear-gradient(-45deg,transparent 75%,#ececec 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}canvas{display:block;max-width:100%;max-height:100%;background:transparent}.drop-overlay{position:absolute;inset:18px;border:2px dashed rgba(225,236,26,.62);border-radius:18px;background:rgba(8,5,13,.82);display:none;place-items:center;z-index:15;backdrop-filter:blur(4px);pointer-events:none}.drop-overlay.show{display:grid}.render-overlay{position:absolute;inset:18px;background:rgba(7,7,10,.74);backdrop-filter:blur(4px);border:1px solid rgba(225,236,26,.22);border-radius:18px;display:none;place-items:center;z-index:14}.render-overlay.show{display:grid}.render-card{width:min(320px,calc(100% - 40px));padding:16px 16px 14px;border-radius:16px;background:rgba(24,14,35,.96);border:1px solid var(--line2);box-shadow:var(--shadow);text-align:center}.render-card strong{display:block;font-size:16px;margin-bottom:4px;color:var(--heading)}.render-card span{display:block;color:var(--muted);font-size:12px;margin-bottom:12px}.render-card kbd{display:inline-block;padding:1px 5px;border:1px solid var(--line2);border-bottom-color:var(--panel3);border-radius:5px;background:var(--code-bg);color:var(--code-text);font:11px ui-monospace,Consolas,monospace;box-shadow:inset 0 -1px 0 rgba(255,255,255,.05)}.progress-bar{height:10px;border-radius:999px;background:var(--code-bg);border:1px solid var(--line);overflow:hidden}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--code-text));transition:width .12s ease}.progress-meta{display:flex;justify-content:space-between;gap:10px;color:var(--text);font-size:12px;margin-top:8px}.drop-card{text-align:center;color:var(--text-strong)}.drop-card b{font-size:18px;display:block;margin-bottom:5px;color:var(--heading)}.drop-card span{color:var(--muted)}.split-control{display:none;align-items:center;gap:6px;margin-left:4px}.split-control.show{display:flex}.split-control input{width:115px}.renderer-control{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12px}.renderer-control span{color:var(--info);font-weight:650}.renderer-control select{height:30px;min-width:88px;padding-left:8px}
.sidebar{min-height:0;border-left:1px solid var(--line);background:var(--panel);display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden}.sidebar-head{padding:12px;border-bottom:1px solid var(--line);display:grid;gap:9px}.preset-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;gap:7px}.preset-row select{width:100%}.filter-meta{display:grid;grid-template-columns:1fr 1fr;gap:7px}.filter-meta input{width:100%}.sidebar-scroll{overflow:auto;padding:12px;scrollbar-color:var(--line2) transparent}.section{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel2);overflow:hidden;margin-bottom:11px}.section-head{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:rgba(196,41,163,.035);border-bottom:1px solid var(--line)}.section-head strong{font-size:13px;color:var(--heading)}.section-head span{font-size:11px;color:var(--muted)}.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:10px;width:100%}.section-body{padding:10px}.ui-lock-panel{transition:opacity .15s ease,filter .15s ease}.ui-locked .ui-lock-panel{opacity:.48;filter:saturate(.78)}.ui-locked .ui-lock-panel *{pointer-events:none}.formula-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.editor-status{display:inline-flex;align-items:center;gap:7px;min-width:0;color:var(--muted);font-size:11px}.editor-status::before{content:"";width:7px;height:7px;flex:0 0 auto;border-radius:50%;background:var(--good);box-shadow:0 0 9px rgba(120,201,114,.38)}.editor-status[data-state=pending]::before{background:var(--accent2);box-shadow:0 0 9px rgba(196,41,163,.42)}.editor-status[data-state=invalid]{color:#ffb4c0}.editor-status[data-state=invalid]::before{background:var(--bad);box-shadow:0 0 9px rgba(255,100,124,.38)}.render-button{min-height:34px;display:inline-flex;align-items:center;gap:6px;padding:7px 9px}.render-button svg{width:13px;height:13px;fill:currentColor}.render-button kbd{padding:1px 5px;border:1px solid rgba(8,5,13,.3);border-radius:5px;background:rgba(8,5,13,.18);font:10px ui-monospace,Consolas,monospace;color:var(--accent-ink)}.formula{position:relative;margin-bottom:9px}.formula:last-child{margin-bottom:0}.formula-label{position:absolute;left:9px;top:9px;width:24px;height:24px;border-radius:6px;display:grid;place-items:center;font-weight:800;font-family:ui-monospace,Consolas,monospace;z-index:2;color:var(--accent-ink)}.formula[data-ch=r] .formula-label{background:var(--r)}.formula[data-ch=g] .formula-label{background:var(--g)}.formula[data-ch=b] .formula-label{background:var(--b)}.formula[data-ch=a] .formula-label{background:var(--a)}textarea{width:100%;height:54px;resize:vertical;padding:10px 34px 10px 42px;border:1px solid var(--line2);border-radius:9px;background:var(--code-bg);color:var(--code-text);font:13px/1.5 ui-monospace,Consolas,monospace;outline:none;transition:border-color .14s ease,box-shadow .14s ease}textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(225,236,26,.12)}textarea.edited:not(.invalid){border-color:rgba(196,41,163,.72);box-shadow:0 0 0 1px rgba(196,41,163,.10)}textarea.invalid{border-color:var(--bad);box-shadow:0 0 0 3px rgba(255,100,124,.09)}.formula-state{position:absolute;right:9px;top:10px;font-size:16px;color:var(--good)}.formula-state.pending{color:var(--accent2)}.formula-state.bad{color:var(--bad)}.formula-error{display:none;color:#ff9fb0;font-size:11px;margin:4px 5px 0 42px}.formula-error.show{display:block}.slider-grid{display:grid;gap:8px}.slider-row{display:grid;grid-template-columns:26px minmax(76px,115px) 1fr 48px;align-items:center;gap:7px;transition:opacity .16s ease,filter .16s ease}.slider-row.control-unused{opacity:.30;filter:saturate(.35)}.slider-row.control-unused .slider-index{background:var(--panel);color:var(--muted)}.slider-index{width:24px;height:24px;border-radius:6px;background:var(--panel3);display:grid;place-items:center;color:var(--text-strong);font:700 11px ui-monospace,monospace}.slider-label{width:100%;height:30px;font-size:12px}.slider-value{width:48px;height:30px;text-align:center;padding:4px!important;font:12px ui-monospace,monospace}details.reference{border:1px solid var(--line);border-radius:10px;background:var(--panel)}details.reference summary{cursor:pointer;padding:9px 11px;color:var(--heading);font-weight:650}.ref-body{padding:0 11px 10px;color:var(--muted);font-size:12px}.chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.chip{padding:3px 6px;border-radius:5px;background:var(--panel3);color:var(--code-text);font:11px ui-monospace,monospace}.statusbar{display:flex;align-items:center;gap:12px;padding:0 12px;border-top:1px solid var(--line);background:var(--panel);color:var(--muted);font-size:11px}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 10px rgba(120,201,114,.5)}.status-dot.busy{background:var(--warn);box-shadow:0 0 10px rgba(236,228,157,.42)}.status-dot.pending{background:var(--accent2);box-shadow:0 0 10px rgba(196,41,163,.45)}.status-dot.error{background:var(--bad);box-shadow:0 0 10px rgba(255,100,124,.45)}.toast{position:fixed;left:50%;bottom:46px;transform:translate(-50%,20px);background:var(--panel3);border:1px solid var(--line2);color:var(--text-strong);padding:9px 13px;border-radius:9px;opacity:0;pointer-events:none;transition:.2s;z-index:100;box-shadow:var(--shadow)}.toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:1px solid var(--line2);border-radius:14px;background:var(--panel2);color:var(--text);box-shadow:var(--shadow);max-width:min(700px,calc(100vw - 32px));padding:0}dialog::backdrop{background:rgba(3,1,5,.72);backdrop-filter:blur(3px)}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:13px 15px;border-bottom:1px solid var(--line)}.modal-head strong{color:var(--heading)}.modal-body{padding:15px;max-height:70vh;overflow:auto}.modal-body h3{margin:14px 0 6px;font-size:14px;color:var(--heading)}.modal-body p,.modal-body li{color:var(--text)}.modal-body code{background:var(--code-bg);border:1px solid var(--line);border-radius:5px;padding:1px 4px;color:var(--code-text)}.modal-body table{border-collapse:collapse;width:100%;font-size:12px}.modal-body td{border-bottom:1px solid var(--line);padding:6px;vertical-align:top}.modal-body td:first-child{font-family:ui-monospace,monospace;color:var(--text-strong);width:34%}.export-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.export-option{padding:14px;text-align:left;white-space:normal}.export-option strong{display:block;margin-bottom:4px}.export-option span{display:block;color:var(--muted);font-size:12px;font-weight:400}.export-cancel{margin-top:10px;width:100%}
@media(max-width:1180px) and (min-width:921px){.app{grid-template-rows:auto minmax(0,1fr) 30px}.topbar{min-height:58px;flex-wrap:wrap;padding:9px}.toolbar-group.file-actions{order:3;width:100%;flex-wrap:wrap}.toolbar-cluster{flex-wrap:wrap}.toolbar-divider{display:none}.topbar>.spacer{display:none}}
@media(max-width:920px){html,body{overflow:auto}.app{height:auto;min-height:100%;grid-template-rows:auto auto 30px}.topbar{min-height:58px;flex-wrap:wrap;padding:9px}.brand{margin-right:auto}.workspace{grid-template-columns:1fr}.preview-pane{height:58vh;min-height:420px}.sidebar{border-left:0;border-top:1px solid var(--line)}.sidebar-scroll{overflow:visible}.toolbar-group.file-actions{order:3;width:100%;flex-wrap:wrap}.toolbar-cluster{flex-wrap:wrap}.toolbar-divider{display:none}.topbar .spacer{display:none}}@media(max-width:560px){.filter-meta{grid-template-columns:1fr}.slider-row{grid-template-columns:24px 90px 1fr 44px}.preview-toolbar{overflow-x:auto}.brand small{display:none}.section-title span,.render-button kbd{display:none}}