/* FrostCandy's Laboratory — FrostField · Gravity browser validation */
.frostfield-lab-stage{display:block;padding:14px;text-align:left}
.frostfield-workbench{width:100%;display:grid;grid-template-columns:minmax(0,1.42fr) minmax(270px,.76fr);gap:12px;align-items:start}
.frostfield-visual-panel,.frostfield-controls,.frostfield-results,.frostfield-history{border:1px solid rgba(117,213,253,.17);border-radius:12px;background:rgba(2,8,12,.56)}
.frostfield-visual-panel{grid-column:1;grid-row:1;overflow:hidden}
.frostfield-side-stack{grid-column:2;grid-row:1 / span 2;display:grid;gap:10px;min-width:0}
.frostfield-head,.frostfield-history-head{min-height:34px;padding:7px 11px;display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid rgba(117,213,253,.12);color:#8ecadd;font-size:.66rem;font-weight:900;letter-spacing:.07em}
#ffRunState,#ffHistoryState{color:#75d5fd;white-space:nowrap}
.frostfield-svg{display:block;width:100%;height:auto;min-height:290px}
.ff-grid-line{stroke:rgba(117,213,253,.10);stroke-width:1}
.ff-source-ring{fill:rgba(117,213,253,.035);stroke:rgba(117,213,253,.38);stroke-width:2;stroke-dasharray:6 7}
.ff-source{fill:rgba(181,199,209,.82);stroke:#eefbff;stroke-width:2;filter:url(#ffGlow)}
.ff-field-arrow{stroke:#75d5fd;stroke-width:2.2;stroke-linecap:round;opacity:.45}
.ff-field-dot{fill:#75d5fd;opacity:.28}
.ff-field-arrow.is-strong{opacity:.88;filter:url(#ffGlow)}
.ff-field-dot.is-strong{opacity:.78;filter:url(#ffGlow)}
.ff-ruler-point{fill:#fff1ac;opacity:0;filter:url(#ffGlow)}
.ff-svg-label{fill:#82adbb;font-size:12px;font-weight:900;letter-spacing:.08em}
.ff-svg-note{fill:#91b8c4;font-size:11.5px;font-weight:700}
.frostfield-seal{padding:7px 10px;border-top:1px solid rgba(117,213,253,.12);color:#7899a4;font-size:.69rem;font-weight:900;letter-spacing:.065em;text-align:center}
.frostfield-seal.is-sealed{color:#dfffc9;background:rgba(170,245,127,.04)}
.frostfield-controls{padding:11px;display:grid;gap:8px}
.frostfield-controls label{display:grid;gap:4px;color:#9fc3ce;font-size:.7rem;font-weight:800}
.frostfield-controls select,.frostfield-controls input{width:100%;min-width:0;box-sizing:border-box;border:1px solid rgba(117,213,253,.27);border-radius:7px;background:rgba(3,10,14,.92);color:#eefbff;padding:6px 7px;font:inherit}
.ff-control-note{padding:7px 8px;border:1px solid rgba(117,213,253,.10);border-radius:7px;color:#89aab5;font-size:.63rem;line-height:1.4}
.ff-actions{display:grid;gap:6px}
.ff-actions button{min-height:32px;border-radius:8px;font:inherit;font-size:.72rem;font-weight:900;cursor:pointer}
.ff-run{border:1px solid rgba(117,213,253,.8);background:rgba(117,213,253,.14);color:#f5fdff}
.ff-ruler{border:1px solid rgba(244,251,255,.38);background:rgba(244,251,255,.045);color:#eaf9ff}
.ff-actions button:hover:not(:disabled),.ff-actions button:focus-visible:not(:disabled){border-color:#fff;color:#fff;outline:none}
.ff-actions button:disabled{opacity:.34;cursor:not-allowed}
.frostfield-results{grid-column:1;grid-row:2;padding:9px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;align-self:stretch}
.ff-result-card{min-width:0;padding:9px;border:1px solid rgba(117,213,253,.12);border-radius:8px;background:rgba(4,12,17,.7)}
.ff-result-card span{display:block;margin-bottom:4px;color:#728f99;font-size:.62rem;font-weight:900;text-transform:uppercase;letter-spacing:.05em}
.ff-result-card strong{display:block;color:#dff7ff;font-size:.74rem;line-height:1.35;overflow-wrap:anywhere}
.ff-ruler-result.is-open{border-color:rgba(255,241,172,.28);background:rgba(255,241,172,.035)}
.ff-ruler-result.is-open strong{color:#fff4be}
.frostfield-history{overflow:hidden}
.frostfield-history-body{padding:10px;display:grid;gap:8px}
.ff-architecture{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:6px;color:#a9cbd6;font-size:.65rem;font-weight:800}
.ff-architecture .box{padding:8px 6px;border:1px solid rgba(117,213,253,.16);border-radius:8px;text-align:center;background:rgba(117,213,253,.04)}
.ff-architecture .box strong{display:block;margin-top:3px;color:#e5f8ff;font-size:.72rem}
.ff-arrow{color:#75d5fd;font-size:1rem;text-align:center}
.ff-history-caption{color:#87a9b5;font-size:.61rem;line-height:1.45}
@media(max-width:860px){.frostfield-workbench{grid-template-columns:1fr}.frostfield-visual-panel{grid-column:1;grid-row:1}.frostfield-results{grid-column:1;grid-row:2;grid-template-columns:repeat(2,minmax(0,1fr))}.frostfield-side-stack{grid-column:1;grid-row:3}}
@media(max-width:520px){.frostfield-lab-stage{padding:9px}.frostfield-results{grid-template-columns:1fr 1fr}.ff-architecture{grid-template-columns:1fr}.ff-arrow{transform:rotate(90deg)}.frostfield-svg{min-height:245px}}