.evt-page-header{max-width:960px;margin:0 auto;padding:24px 16px 16px}.evt-page-subtitle{color:var(--swp-ink-2);margin:0;font-size:15px;line-height:1.6}.evt-page-subtitle code{font-family:var(--font-mono);background:var(--swp-teal-50);border-radius:var(--r-sm);padding:1px 5px;font-size:14px}.evt-tool-wrapper{max-width:960px;margin:0 auto}.evt-main-grid{grid-template-columns:1fr 1fr;align-items:start;gap:16px;display:grid}@media (width<=767px){.evt-main-grid{grid-template-columns:1fr}}.evt-demo-section,.evt-listener-section{background:var(--swp-surface,#fff);border:1.5px solid var(--swp-border);border-radius:var(--r-md);margin-bottom:12px;padding:16px}.evt-demo-title{color:var(--swp-ink-2);text-transform:uppercase;letter-spacing:.05em;margin:0 0 12px;font-size:13px;font-weight:700}.evt-demo-item{align-items:center;gap:10px;margin-bottom:10px;display:flex}.evt-demo-item:last-child{margin-bottom:0}.evt-demo-item-label{color:var(--swp-ink-2);flex-shrink:0;min-width:80px;font-size:12px;font-weight:600}.evt-demo-btn{background:var(--color-primary);color:#fff;border-radius:var(--r-md);min-height:52px;font-size:15px;font-weight:700;font-family:var(--font-sans);cursor:pointer;border:none;flex:1;transition:filter .12s,box-shadow .3s}.evt-demo-btn:hover{filter:brightness(.92)}.evt-demo-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}.evt-demo-btn--active{animation:.3s ease-out forwards evt-flash}.evt-demo-input{border:2px solid var(--swp-border);border-radius:var(--r-md);height:44px;font-family:var(--font-sans);color:var(--swp-ink);background:var(--swp-surface,#fff);box-sizing:border-box;outline:none;flex:1;padding:0 12px;font-size:14px;transition:border-color .15s,box-shadow .3s}.evt-demo-input:focus{border-color:var(--color-primary)}.evt-demo-input--active{animation:.3s ease-out forwards evt-flash}.evt-demo-colorbox{border-radius:var(--r-md);cursor:pointer;background:#10b981;flex-shrink:0;justify-content:center;align-items:center;width:80px;height:80px;transition:filter .12s,box-shadow .3s;display:flex}.evt-demo-colorbox:hover{filter:brightness(1.1)}.evt-demo-colorbox:focus-visible{outline-offset:3px;outline:2px solid #fff}.evt-demo-colorbox--active{animation:.3s ease-out forwards evt-flash}.evt-demo-colorbox-hint{pointer-events:none;font-size:22px}.evt-demo-colorbox-label{color:var(--swp-ink-2);margin-left:4px;font-size:11px}@keyframes evt-flash{0%{box-shadow:0 0 0 3px #10b981e6}to{box-shadow:0 0 0 14px #10b98100}}@media (prefers-reduced-motion:reduce){.evt-demo-btn--active,.evt-demo-input--active,.evt-demo-colorbox--active{outline-offset:2px;outline:3px solid #10b981;animation:none}}.evt-checkbox-grid{grid-template-columns:repeat(2,1fr);gap:4px 8px;margin-bottom:12px;display:grid}.evt-checkbox-label{border-radius:var(--r-sm);cursor:pointer;min-height:44px;color:var(--swp-ink);align-items:center;gap:6px;padding:4px 6px;font-size:13px;transition:background .1s;display:flex}.evt-checkbox-label:hover{background:var(--swp-teal-50)}.evt-checkbox-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--color-primary);cursor:pointer;flex-shrink:0}.evt-checkbox-icon{font-size:14px}.evt-btn-row{gap:8px;margin-bottom:12px;display:flex}.evt-btn{border-radius:var(--r-md);cursor:pointer;min-height:44px;font-size:13px;font-weight:600;font-family:var(--font-sans);border:none;justify-content:center;align-items:center;gap:4px;padding:8px 14px;transition:background .12s,opacity .12s;display:inline-flex}.evt-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.evt-btn:disabled{opacity:.4;cursor:not-allowed}.evt-btn--add{background:var(--color-primary);color:#fff;flex:1}.evt-btn--add:hover:not(:disabled){filter:brightness(.92)}.evt-btn--remove-all{color:var(--swp-ink-2);border:1.5px solid var(--swp-border);background:0 0}.evt-btn--remove-all:hover:not(:disabled){background:var(--swp-surface-2,#f5f5f5)}.evt-active-list{background:var(--swp-teal-50);border:1px solid var(--swp-border);border-radius:var(--r-sm);min-height:44px;padding:8px 10px}.evt-active-item{font-family:var(--font-mono);gap:6px;font-size:12px;line-height:1.7;display:flex}.evt-active-target{color:var(--color-primary);font-weight:600}.evt-active-events{color:var(--swp-ink-2)}.evt-active-empty{color:var(--swp-ink-3);font-size:12px;font-style:italic;font-family:var(--font-mono);margin:0}.evt-log-panel{border:1.5px solid var(--swp-border);border-radius:var(--r-md);overflow:hidden}.evt-log-header{background:var(--swp-surface-2,#f5f5f5);border-bottom:1.5px solid var(--swp-border);justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.evt-log-title{color:var(--swp-ink);font-size:13px;font-weight:700}.evt-log-clear-btn{border:1.5px solid var(--swp-border);border-radius:var(--r-sm);min-height:32px;color:var(--swp-ink-2);cursor:pointer;font-size:12px;font-family:var(--font-sans);background:0 0;padding:4px 10px;transition:background .12s}.evt-log-clear-btn:hover:not(:disabled){background:var(--swp-surface,#fff)}.evt-log-clear-btn:disabled{opacity:.4;cursor:not-allowed}.evt-log-clear-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.evt-log-area{scrollbar-color:#444 #1e1e1e;scrollbar-width:thin;background:#1e1e1e;min-height:220px;max-height:440px;padding:12px 16px;overflow-y:auto}.evt-log-area::-webkit-scrollbar{width:6px}.evt-log-area::-webkit-scrollbar-track{background:#1e1e1e}.evt-log-area::-webkit-scrollbar-thumb{background:#444;border-radius:3px}.evt-log-empty{color:#555;text-align:center;font-size:12px;font-style:italic;font-family:var(--font-mono);margin:0;padding:32px 8px;line-height:1.6}.evt-log-entry{font-family:var(--font-mono);border-radius:4px;margin-bottom:3px;padding:4px 6px;font-size:13px}.evt-log-entry__main{align-items:center;gap:8px;line-height:1.5;display:flex}.evt-log-entry__icon{flex-shrink:0;font-size:13px}.evt-log-entry__type{color:#7dd3fc;font-weight:600}.evt-log-entry__target{color:#9ca3af;flex:1}.evt-log-entry__time{color:#6b7280;margin-left:auto;font-size:11px}.evt-log-entry__key-row{padding-left:24px}.evt-log-entry__key{color:#fbbf24;font-size:12px}.evt-section{max-width:960px;margin-left:auto;margin-right:auto;padding:0 16px}.evt-section-title{color:var(--swp-ink);margin:0 0 16px;font-size:clamp(18px,4vw,22px);font-weight:700}.evt-steps{flex-direction:column;gap:10px;margin:0;padding-left:20px;display:flex}.evt-steps li{color:var(--swp-ink);font-size:15px;line-height:1.6}.evt-related-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.evt-related-tools{flex-direction:column;gap:8px;display:flex}.evt-related-link{color:var(--color-primary);font-size:15px;text-decoration:none}.evt-related-link:hover{text-decoration:underline}@media (prefers-reduced-motion:reduce){.evt-btn,.evt-demo-btn,.evt-demo-input,.evt-demo-colorbox,.evt-checkbox-label,.evt-log-clear-btn{transition:none}}.evt-body-text{color:var(--swp-ink);margin:0 0 12px;font-size:15px;line-height:1.8}.evt-experiments,.evt-use-cases{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.evt-experiments li,.evt-use-cases li{color:var(--swp-ink);font-size:15px;line-height:1.7}.evt-faq{margin:0}.evt-faq dt{color:var(--swp-ink);margin-top:16px;font-size:15px;font-weight:700}.evt-faq dt:first-child{margin-top:0}.evt-faq dd{color:var(--swp-ink-2);margin:6px 0 0;font-size:15px;line-height:1.7}.evt-faq dd a{color:var(--color-primary)}