.lua-fmt-card{margin-bottom:2rem;background:var(--surface,#fff);border:1px solid var(--border,rgba(0,0,0,.08));border-radius:16px;overflow:hidden;box-shadow:var(--shadow-soft,0 2px 12px rgba(0,0,0,.06));-webkit-tap-highlight-color:transparent;}
.lua-fmt-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border,rgba(0,0,0,.08));background:var(--surface-muted,rgba(0,0,0,.02));}
.lua-fmt-btn{font-size:0.875rem;font-weight:500;padding:10px 18px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;-webkit-tap-highlight-color:transparent;}
.lua-fmt-btn:active{transform:scale(0.97);}
.lua-fmt-btn-primary{background:var(--primary,#2563eb);color:#fff;border-color:var(--primary,#2563eb);}
.lua-fmt-btn-primary:hover{background:var(--primary-dark,#1d4ed8);border-color:var(--primary-dark,#1d4ed8);box-shadow:0 4px 14px rgba(37,99,235,.25);}
.lua-fmt-btn-ghost{background:transparent;color:var(--text-main,#111);border-color:var(--border,rgba(0,0,0,.12));}
.lua-fmt-btn-ghost:hover{background:var(--surface-muted,rgba(0,0,0,.04));border-color:var(--border,rgba(0,0,0,.2));}
.lua-fmt-btn-outline{background:transparent;color:var(--primary,#2563eb);border-color:var(--primary,#2563eb);}
.lua-fmt-btn-outline:hover{background:rgba(37,99,235,.08);}
.lua-fmt-btn-outline.lua-fmt-copied{background:rgba(34,197,94,.12);color:#15803d;border-color:#22c55e;}
.lua-fmt-grid{display:flex;flex-direction:column;min-height:240px;}
.lua-fmt-panel{display:flex;flex-direction:column;min-height:200px;}
.lua-fmt-panel:last-child{border-top:1px solid var(--border,rgba(0,0,0,.08));}
.lua-fmt-panel-title{font-size:0.8125rem;font-weight:600;color:var(--text-muted,#6b7280);margin:0;padding:10px 16px 8px;letter-spacing:.02em;}
.lua-fmt-editor-wrap{flex:1;padding:0 16px 16px;display:flex;min-height:0;}
.lua-fmt-editor{min-height:240px;width:100%;border-radius:12px;border:1px solid var(--border,rgba(0,0,0,.1));overflow:hidden;}
.lua-fmt-status{font-size:0.8125rem;color:var(--text-muted);margin:8px 16px 12px;min-height:1.25em;}
@media (min-width:768px){.lua-fmt-actions{justify-content:flex-start;padding:16px 20px;}
.lua-fmt-grid{flex-direction:row;min-height:360px;}
.lua-fmt-panel{flex:1;min-height:0;}
.lua-fmt-panel:last-child{border-top:none;border-left:1px solid var(--border,rgba(0,0,0,.08));}
.lua-fmt-panel-title{padding:14px 20px 10px;}
.lua-fmt-editor-wrap{padding:0 20px 20px;}
.lua-fmt-editor{min-height:400px;flex:1;}
.lua-fmt-status{margin:10px 20px 14px;}
}
@media (min-width:992px){.lua-fmt-editor{min-height:440px;}
.lua-fmt-card{border-radius:20px;}
.lua-fmt-actions,.lua-fmt-grid{border-radius:20px 20px 0 0;}
.lua-fmt-grid{border-radius:0;}
}
@media (max-width:479px){.lua-fmt-actions{padding:12px 14px;gap:8px;}
.lua-fmt-btn{padding:10px 14px;font-size:0.8125rem;}
.lua-fmt-panel-title{padding:8px 14px 6px;}
.lua-fmt-editor-wrap{padding:0 14px 14px;}
.lua-fmt-editor{min-height:200px;}
.lua-fmt-status{margin:8px 14px 10px;}
}