.lem-overlay{z-index:2400;backdrop-filter:blur(2px);background:#0f172a73;animation:.18s both lem-fade;position:fixed;inset:0}.lem-modal{z-index:2401;background:var(--wh-surface);border:1px solid var(--wh-border-light,var(--wh-border));border-radius:16px;flex-direction:column;width:min(1000px,100vw - 32px);max-height:calc(100vh - 56px);animation:.2s cubic-bezier(.16,1,.3,1) both lem-in;display:flex;position:fixed;top:50%;left:50%;overflow:hidden;transform:translate(-50%,-50%);box-shadow:0 24px 60px #0f172a47}@keyframes lem-fade{0%{opacity:0}to{opacity:1}}@keyframes lem-in{0%{opacity:0;transform:translate(-50%,-47%)}to{opacity:1;transform:translate(-50%,-50%)}}.lem-head{border-bottom:1px solid var(--wh-border-light,var(--wh-border));flex-shrink:0;align-items:center;gap:12px;padding:14px 52px 14px 18px;display:flex;position:relative}.lem-chip{color:var(--course-accent,var(--wh-primary));background:var(--course-accent-muted,var(--wh-primary-soft));border-radius:999px;align-items:center;gap:6px;padding:5px 10px;font-size:12.5px;font-weight:700;display:inline-flex}.lem-breadcrumb{color:var(--wh-text-muted);align-items:center;gap:5px;min-width:0;font-size:12.5px;display:inline-flex}.lem-breadcrumb-section{text-overflow:ellipsis;white-space:nowrap;color:var(--wh-text-secondary,var(--wh-text-muted));max-width:280px;overflow:hidden}.lem-close{color:var(--wh-text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;display:inline-flex;position:absolute;top:50%;right:14px;transform:translateY(-50%)}.lem-close:hover{background:var(--wh-bg-alt,var(--wh-bg));color:var(--wh-text)}.lem-body{flex:1;align-items:stretch;min-height:0;display:flex}.lem-editor{flex-direction:column;flex:1;gap:16px;min-width:0;padding:18px;display:flex;overflow-y:auto}.lem-title{border:1px solid var(--wh-border-light,var(--wh-border));color:var(--wh-text);background:var(--wh-surface);border-radius:10px;width:100%;padding:10px 12px;font-size:16px;font-weight:700}.lem-title:focus{border-color:var(--course-accent,var(--wh-primary));box-shadow:0 0 0 3px var(--course-accent-muted,var(--wh-primary-soft));outline:none}.lem-typebody{flex-direction:column;display:flex}.lem-preview{border-left:1px solid var(--wh-border-light,var(--wh-border));background:var(--wh-bg);flex-shrink:0;justify-content:center;align-items:flex-start;width:392px;display:flex;overflow:hidden}.lpp-stage{flex-direction:column;align-items:center;gap:10px;width:100%;height:100%;padding:18px 16px;display:flex;overflow:hidden}.lpp-caption{color:var(--wh-text-muted);font-size:12px;font-weight:600}.lpp-phone{background:#1f2937;border:9px solid #1f2937;border-radius:40px;flex-shrink:0;max-height:100%;overflow:hidden;box-shadow:0 12px 30px #0f172a38}.lpp-screen{background:var(--wh-surface);border-radius:31px;flex-direction:column;width:100%;height:100%;display:flex;overflow:hidden}.lpp-objhead{color:var(--wh-text);text-align:center;border-bottom:1px solid var(--wh-border-light,var(--wh-border));text-overflow:ellipsis;white-space:nowrap;flex-shrink:0;padding:12px 14px;font-size:13.5px;font-weight:700;overflow:hidden}.lpp-objbody{flex:1;min-height:0;overflow-y:auto}.lpp-empty{text-align:center;color:var(--wh-text-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;padding:24px;font-size:12.5px;display:flex}.lem-settings{border:1px solid var(--wh-border-light,var(--wh-border));background:var(--wh-bg);border-radius:12px;flex-direction:column;gap:12px;padding:14px;display:flex}.lem-settings-title{letter-spacing:.02em;text-transform:uppercase;color:var(--wh-text-muted);font-size:12px;font-weight:700}.lem-setting-row{cursor:pointer;align-items:flex-start;gap:10px;display:flex}.lem-setting-copy{color:var(--wh-text);flex-direction:column;gap:2px;font-size:13.5px;line-height:1.35;display:flex}.lem-setting-hint{color:var(--wh-text-muted);font-size:12px}.lem-setting-sub{margin-top:-4px;padding-left:28px}.lem-foot{border-top:1px solid var(--wh-border-light,var(--wh-border));flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:12px 18px;display:flex}.lem-required{cursor:pointer;align-items:center;gap:10px;display:flex}.lem-required-copy{color:var(--wh-text);flex-direction:column;font-size:13px;font-weight:600;display:flex}.lem-required-hint{color:var(--wh-text-muted);font-size:11.5px;font-weight:400}@media (width<=860px){.lem-preview{display:none}.lem-modal{width:calc(100vw - 24px)}}