:root{color-scheme:light;--ink:#193a3e;--muted:#5c7174;--line:#d2dfd8;--teal:#176765;--pale:#e9f2eb;--cream:#f8f7f1;--bs-primary:#176765;--bs-primary-rgb:23,103,101}*{box-sizing:border-box}html,body{margin:0;max-width:100%;background:var(--cream);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}[hidden]{display:none!important}.lab-shell{max-width:1280px;padding:26px 22px 32px}.lab-header{margin-bottom:22px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.13em;color:var(--teal);margin:0 0 8px}.lab-header h1{font-size:clamp(25px,4vw,36px);font-weight:750;letter-spacing:-.03em;margin-bottom:12px}.lab-header p:not(.eyebrow){font-size:16px;line-height:1.65;max-width:900px;color:var(--muted);margin:0}h2{font-size:21px;font-weight:750;margin:0 0 10px;letter-spacing:-.02em}p{line-height:1.6}.try-note{background:#fcf7e9;border-left:3px solid #c8a64e;border-radius:0 12px 12px 0;padding:15px 18px;font-size:14px;margin-bottom:19px}.try-note code,.explain-box code{color:#176765;overflow-wrap:anywhere}.lab-grid{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(0,1.15fr);gap:18px;align-items:start}.lab-panel{background:#fff;border:1px solid var(--line);border-radius:17px;padding:23px;min-width:0}.muted{color:var(--muted);font-size:13px;margin:0 0 18px}label{display:block;font-size:13px;font-weight:700;margin-bottom:7px}.form-control,.form-select{min-height:45px;border-color:#bacfc5;color:var(--ink);border-radius:8px;font-size:16px;margin-bottom:14px;min-width:0}textarea.form-control{resize:vertical}.check-row{display:flex;align-items:center;gap:10px;min-height:44px;margin:2px 0;font-weight:500;line-height:1.4;cursor:pointer}.check-row input{width:19px;height:19px;flex-shrink:0;accent-color:var(--teal)}.field-hint{font-size:12px;color:var(--muted);margin:8px 0 12px}.field-error,.lab-alert{font-size:13px;color:#982c24;background:#fff0ec;border-left:3px solid #b14c40;border-radius:6px;padding:10px 12px;margin:9px 0 14px}.subheading{font-size:17px;font-weight:750;margin:20px 0 14px;padding-top:18px;border-top:1px solid var(--line)}.button-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.btn{min-height:44px;font-size:13px;font-weight:700;padding:10px 14px;border-radius:8px;white-space:normal;display:inline-flex;align-items:center;justify-content:center}.btn-primary{background:var(--teal);border-color:var(--teal)}.btn-primary:hover,.btn-primary:active{background:#154a4a!important;border-color:#154a4a!important}.btn-outline-primary{border-color:var(--teal);color:var(--teal)}.btn-outline-primary:hover{background:var(--teal);border-color:var(--teal)}.btn-outline-secondary{color:var(--muted);border-color:#bacfc5}.btn:disabled{opacity:.55}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}.panel-heading h2{margin:0}.live-badge{border:1px solid #cde1d5;border-radius:20px;padding:5px 8px;font-size:10px;font-weight:800;letter-spacing:.02em;color:var(--teal);background:var(--pale)}.preview-card{border:1px solid #d8e3db;border-radius:14px;background:#fbfcf8;padding:23px;text-align:center;overflow-wrap:anywhere}.preview-icon{width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;border:2px solid #8eb9a4;border-radius:50%;font-size:27px;color:var(--teal);margin-bottom:14px}.preview-card h3{font-size:21px;font-weight:750;margin:0 0 12px}.preview-card>p{font-size:14px;color:var(--muted);margin-bottom:17px}.preview-input{text-align:left;margin:18px 0}.preview-input>span:first-child{display:block;font-size:12px;font-weight:700;margin-bottom:7px}.preview-input>span:last-child{display:block;min-height:45px;padding:10px;border:1px solid #bacec2;border-radius:7px;background:#fff;color:var(--muted);font-size:14px}.preview-actions{display:flex;gap:9px;justify-content:center;flex-wrap:wrap}.preview-button{display:inline-block;padding:10px 15px;border-radius:8px;background:var(--teal);color:#fff;font-size:13px;font-weight:700;max-width:100%;overflow-wrap:anywhere}.preview-button.secondary{background:#e7ece7;color:#49635c}.mode-help{font-size:13px;margin:16px 0 10px;color:var(--muted)}.launch-button{min-height:49px;flex:1 1 190px;font-size:15px}.status{font-size:12px;color:var(--teal);min-height:20px;margin:13px 0 0}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:25px 0 12px;border-top:1px solid var(--line);padding-top:20px}.result-heading h3{font-size:17px;font-weight:750;margin:0}.result-summary{font-size:13px;color:var(--muted);overflow-wrap:anywhere}.result-code{padding:16px;border-radius:10px;background:#183238;color:#dcf3e8;font:13px/1.6 ui-monospace,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%;margin:0 0 18px}.event-details{border:1px solid var(--line);border-radius:10px;padding:0 12px;margin:14px 0}.event-details summary{min-height:46px;padding:12px 0;font-weight:700;font-size:13px;cursor:pointer}.event-details summary span{border-radius:12px;background:var(--pale);padding:2px 7px;margin-left:6px}.event-log{padding-left:23px;margin:0 0 15px}.event-log li{padding:8px 0;border-bottom:1px solid #e2e9e3;font-size:12px;overflow-wrap:anywhere}.event-log strong{display:block;color:var(--ink)}.event-log span{display:block;color:var(--muted);margin-top:3px}.explain-box{margin-top:23px;border-top:1px solid var(--line);padding-top:18px}.explain-box h3{font-size:17px;font-weight:750;margin:0 0 13px}.explain-box p{font-size:12px;color:var(--muted);margin:0 0 10px}.export-panel{margin-top:18px}.export-panel>p{font-size:14px;color:var(--muted);max-width:940px}.export-panel .form-select{max-width:500px;margin-bottom:12px}#lab-code{display:block;width:100%;max-width:100%;min-height:245px;resize:vertical;background:#183238;color:#dcf3e8;border:1px solid #183238;border-radius:10px;padding:15px;font:12px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre;overflow:auto}.lab-jump{display:none;color:var(--teal);font-size:13px;font-weight:700;text-decoration:none;border:1px solid var(--line);border-radius:8px;padding:10px 13px;min-height:44px;align-items:center;justify-content:center;background:var(--pale);margin:10px 0 14px}.lab-jump:hover{text-decoration:underline;color:var(--ink)}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #bd8f26;outline-offset:3px;box-shadow:none!important}input[aria-invalid=true]{border-color:#a43e31}#lab-settings-heading,#lab-preview-heading{scroll-margin-top:16px}
.lab-swal-popup{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif!important;border-radius:16px!important;color:#193a3e!important}.lab-swal-popup .swal2-title{font-size:25px!important;overflow-wrap:anywhere}.lab-swal-popup .swal2-html-container{font-size:16px!important;line-height:1.6!important;overflow-wrap:anywhere}.lab-swal-popup .swal2-input{font-size:16px!important;min-height:46px;border-radius:8px!important;max-width:calc(100% - 3em)}.lab-swal-popup .swal2-input-label{font-size:14px!important;overflow-wrap:anywhere}.lab-swal-popup .swal2-actions{gap:8px;flex-wrap:wrap}.lab-swal-popup .swal2-confirm,.lab-swal-popup .swal2-cancel{min-height:44px;min-width:80px;font-size:15px!important;line-height:1.4!important;border-radius:8px!important;white-space:normal;overflow-wrap:anywhere;max-width:100%;margin:0!important;padding:10px 16px!important}.lab-swal-popup .swal2-close{width:44px;height:44px;min-width:44px;min-height:44px;border-radius:8px;flex-shrink:0}.lab-swal-popup .swal2-validation-message{font-size:14px!important;line-height:1.5}.lab-swal-popup.swal2-toast{padding:18px!important}.lab-swal-popup.swal2-toast .swal2-title{font-size:17px!important;line-height:1.4}.lab-swal-popup.swal2-toast .swal2-html-container{font-size:14px!important}.lab-swal-popup .swal2-timer-progress-bar{background:#5e9d8b!important}.swal2-container{padding:12px!important}
@media(max-width:850px){.lab-grid{grid-template-columns:1fr}.lab-shell{padding:20px 14px}.lab-panel{padding:19px}.lab-jump{display:flex}#lab-code{font-size:16px}}
@media(max-width:440px){.lab-shell{padding:16px 10px}.lab-panel{padding:15px}.lab-header p:not(.eyebrow){font-size:14px}.panel-heading h2{font-size:20px}.button-row>.btn{flex:1 1 140px}.try-note{padding:13px 14px}.preview-card{padding:18px 14px}.preview-card h3{font-size:20px}.lab-swal-popup .swal2-title{font-size:23px!important;padding-left:18px!important;padding-right:18px!important}.lab-swal-popup .swal2-actions{width:calc(100% - 32px)}.lab-swal-popup .swal2-confirm,.lab-swal-popup .swal2-cancel{flex:1 1 100px}.lab-swal-popup.swal2-toast .swal2-title{font-size:16px!important}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}