.ruler-area{min-height:0;position:relative}.ruler-area-viewport{max-height:inherit;overscroll-behavior:contain;height:100%;padding-right:24px;overflow-y:auto}.ruler-select{min-width:0;margin-top:6px;position:relative}.ruler-select .ruler-select-trigger{border:1px solid var(--line,#ddd);background:var(--white,#fff);width:100%;min-height:44px;color:var(--ink,#171717);text-align:left;font:inherit;cursor:pointer;border-radius:3px;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;display:flex}.ruler-select-trigger>span:first-child{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.ruler-select-trigger:focus-visible{outline:2px solid var(--green,#255c48);outline-offset:2px}.ruler-select-menu{z-index:25;max-height:var(--ruler-menu-height,min(320px, 45dvh));background:var(--white,#fff);border:1px solid var(--line,#ddd);font:14px/1.5 var(--sans,system-ui);border-radius:3px;position:absolute;top:calc(100% + 5px);left:0;right:0;box-shadow:0 8px 24px #0000000d}.ruler-select[data-menu-side=above] .ruler-select-menu{top:auto;bottom:calc(100% + 5px)}.ruler-select-option{cursor:pointer;overflow-wrap:break-word;padding:10px 12px}.ruler-select-option:has(.ruler-option-number){grid-template-columns:3.5em minmax(0,1fr);align-items:baseline;column-gap:10px;display:grid}.ruler-option-number{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--muted,#666)}.ruler-option-title{text-wrap:pretty;min-width:0}@media (min-width:701px){.trainer-topic .ruler-select-menu{width:min(760px,100vw - 64px);min-width:100%;right:auto}}.ruler-select-option[aria-selected=true]{color:var(--green,#255c48);font-weight:600}.ruler-select-option[data-active=true],.ruler-select-option:hover{background:var(--paper,#f7f5ef)}.ruler-native-select{display:none!important}.legacy-ruler-select{flex:0 320px;min-width:0}.legacy-ruler-select .ruler-select{margin-top:0}.legacy-ruler-select .ruler-select-menu{width:min(480px,100vw - 48px);left:auto;right:0}.trainer-truth .ruler-select{width:88px;margin:0}.pdf-zoom{width:104px;min-width:0}.pdf-zoom .ruler-select{margin:0}.pdf-zoom .ruler-select-trigger{border:0;min-height:40px;padding:8px;font-size:13px}.pdf-zoom .ruler-select-menu{min-width:120px;left:auto;right:0}@media (max-width:900px){.legacy-ruler-select{flex-basis:auto;width:100%}}@media (max-width:600px){.pdf-zoom{width:85px}}@media (prefers-reduced-motion:no-preference){.ruler-select-menu{animation:.18s ease-out both ruler-menu-reveal}}@keyframes ruler-menu-reveal{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}