.r4a-lt{--n:#143b72;--n2:#0f2f5c;--bd:#d9e4f1;--soft:#f6f9fd;--txt:#1f3550;direction:rtl;font-family:inherit;color:var(--txt);margin:28px 0}.r4a-lt *{box-sizing:border-box}.r4a-lt h2,.r4a-lt h3,.r4a-lt p{margin-top:0}.r4a-lt-head{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px;border:1px solid var(--bd);border-radius:18px 18px 0 0;background:linear-gradient(135deg,#f8fbff,#eef5ff)}.r4a-lt-head.mini{border-radius:18px}.r4a-lt-head h2{font-size:25px;color:var(--n);margin:4px 0 8px}.r4a-lt-head p{margin:0;color:#5a708a;line-height:1.8}.r4a-lt-kicker{font-size:13px;font-weight:800;color:#35649e}.r4a-lt-lesson-badge{min-width:92px;height:92px;border-radius:22px;background:var(--n);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(20,59,114,.12)}.r4a-lt-lesson-badge strong{font-size:30px}.r4a-lt-lesson-badge span{font-size:12px;opacity:.86}.r4a-lt-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--bd);border-top:0;background:#fff}.r4a-lt-stats>div{padding:16px;text-align:center;border-inline-start:1px solid #e7eef7}.r4a-lt-stats>div:first-child{border-inline-start:0}.r4a-lt-stats strong{display:block;color:var(--n);font-size:20px}.r4a-lt-stats span{font-size:12px;color:#6a7e95}.r4a-lt-tabs{display:flex;gap:6px;padding:10px;border:1px solid var(--bd);border-top:0;background:#f8fbff;overflow:auto}.r4a-lt-tabs button{border:0;border-radius:11px;padding:10px 14px;background:transparent;color:#506981;font-weight:800;white-space:nowrap;cursor:pointer}.r4a-lt-tabs button.active{background:var(--n);color:#fff}.r4a-lt-panel{display:none;border:1px solid var(--bd);border-top:0;border-radius:0 0 18px 18px;padding:18px;background:#fff}.r4a-lt-panel.active{display:block}.r4a-lt-panel-head{display:flex;justify-content:space-between;gap:14px;align-items:end;margin-bottom:14px}.r4a-lt-panel-head h3{color:var(--n);font-size:20px;margin:0}.r4a-lt-panel-head p{margin:0;color:#6a7e95;font-size:13px}.r4a-lt-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.r4a-lt-item{border:1px solid var(--bd);border-radius:14px;padding:14px;background:#fff;min-width:0}.r4a-lt-item.compact{padding:12px}.r4a-lt-ru{font-size:19px;font-weight:900;color:var(--n);text-align:left;direction:ltr;unicode-bidi:plaintext}.r4a-lt-ar{margin-top:6px;line-height:1.7}.r4a-lt-item-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;padding-top:9px;border-top:1px dashed #dbe4ef}.r4a-lt-skill{font-size:12px;color:#58728f;background:#f0f5fb;border-radius:999px;padding:4px 8px}.r4a-lt-copy{border:0;background:transparent;color:#245b96;font-weight:800;cursor:pointer;font-size:12px}.r4a-lt-verb-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.r4a-lt-verb{border:1px solid var(--bd);border-radius:14px;padding:14px;display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff}.r4a-lt-verb-top{display:flex;align-items:center;gap:8px}.r4a-lt-verb-top strong{font-size:21px;color:var(--n)}.r4a-lt-verb-top span{font-size:11px;border-radius:999px;padding:4px 7px;background:#edf4fc;color:#486987}.r4a-lt-verb-ar{margin-top:5px;color:#415b75}.r4a-lt-verb a{background:var(--n);color:#fff!important;text-decoration:none!important;border-radius:10px;padding:9px 11px;font-size:13px;font-weight:800;white-space:nowrap}.r4a-lt-loading,.r4a-lt-notice{grid-column:1/-1;padding:15px;border-radius:12px;background:#f6f9fd;color:#5b7088;border:1px solid var(--bd)}.r4a-lt-notice.error{background:#fff6f6;color:#8a3333}.r4a-lt-quiz{border:1px solid var(--bd);border-radius:15px;padding:18px;background:#f9fbfe}.r4a-lt-q{font-size:21px;line-height:1.8;color:var(--n);font-weight:800}.r4a-lt-a{margin-top:12px;padding:14px;border-radius:12px;background:#fff;border:1px solid #cfe0f2}.r4a-lt-a strong,.r4a-lt-a span{display:block}.r4a-lt-a strong{font-size:21px;color:var(--n)}.r4a-lt-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.r4a-lt-actions button{border:0;background:var(--n);color:#fff;border-radius:10px;padding:10px 15px;font-weight:800;cursor:pointer}.r4a-lt-actions button.secondary{background:#fff;color:var(--n);border:1px solid #c9d9eb}.r4a-lt-progress{padding:16px;border:1px solid var(--bd);border-radius:14px;background:#f9fbfe}.r4a-lt-progress-label{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.r4a-lt-progressbar{height:10px;border-radius:999px;background:#e7eef7;overflow:hidden}.r4a-lt-progressbar span{display:block;height:100%;background:linear-gradient(90deg,#143b72,#3e75b5);border-radius:999px}.r4a-course-progress-mini .r4a-lt-stats{border-top:1px solid var(--bd);margin-top:10px;border-radius:15px;overflow:hidden}.r4a-course-progress-mini .r4a-lt-progressbar{margin-top:12px}.r4a-course-review .r4a-lt-search{margin:12px 0}.r4a-course-review .r4a-lt-search input{width:100%;border:1px solid #cfdceb;border-radius:12px;padding:12px 14px;font:inherit}.r4a-course-quiz .r4a-lt-quiz,.r4a-lesson-verbs-mini .r4a-lt-verb-list{margin-top:12px}.r4a-lt-notice{margin:20px 0}@media(max-width:760px){
.r4a-lt{margin:18px 0;font-size:15px}
.r4a-lt-head{align-items:stretch;flex-direction:column;gap:14px;padding:16px;border-radius:16px 16px 0 0}
.r4a-lt-head h2{font-size:21px;line-height:1.5;margin-bottom:6px}
.r4a-lt-head p{font-size:14px;line-height:1.75}
.r4a-lt-kicker{font-size:12px}
.r4a-lt-lesson-badge{width:100%;min-width:0;height:auto;min-height:52px;border-radius:13px;flex-direction:row;gap:7px;padding:10px 14px;box-shadow:none}
.r4a-lt-lesson-badge strong{font-size:23px}
.r4a-lt-lesson-badge span{font-size:12px}

.r4a-lt-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
.r4a-lt-stats>div{padding:13px 8px;min-width:0}
.r4a-lt-stats>div:nth-child(3),.r4a-lt-stats>div:nth-child(4){border-top:1px solid #e7eef7}
.r4a-lt-stats strong{font-size:17px;line-height:1.4}
.r4a-lt-stats span{font-size:11px;line-height:1.5}

.r4a-lt-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:10px;overflow:visible}
.r4a-lt-tabs button{width:100%;min-width:0;min-height:46px;padding:9px 8px;border:1px solid #dbe5f1;border-radius:11px;background:#fff;white-space:normal;line-height:1.45;text-align:center;font-size:13px}
.r4a-lt-tabs button.active{border-color:var(--n);box-shadow:0 4px 12px rgba(20,59,114,.10)}

.r4a-lt-panel{padding:14px;border-radius:0 0 16px 16px}
.r4a-lt-panel-head{display:block;margin-bottom:12px}
.r4a-lt-panel-head h3{font-size:19px;line-height:1.5}
.r4a-lt-panel-head p{margin-top:5px;font-size:12px;line-height:1.7}

.r4a-lt-items,.r4a-lt-verb-list{grid-template-columns:1fr;gap:9px}
.r4a-lt-item{padding:12px;border-radius:12px}
.r4a-lt-ru{font-size:18px;line-height:1.5}
.r4a-lt-ar{font-size:14px;line-height:1.7}
.r4a-lt-item-foot{align-items:flex-start;gap:7px;flex-wrap:wrap}
.r4a-lt-copy{min-height:38px;padding:7px 8px}

.r4a-lt-verb{align-items:stretch;flex-direction:column;padding:12px;border-radius:12px;gap:10px}
.r4a-lt-verb-top{flex-wrap:wrap}
.r4a-lt-verb-top strong{font-size:20px}
.r4a-lt-verb-ar{font-size:14px}
.r4a-lt-verb a{display:flex;width:100%;min-height:44px;align-items:center;justify-content:center;text-align:center;border-radius:10px;padding:10px 12px}

.r4a-lt-quiz{padding:14px;border-radius:13px}
.r4a-lt-q{font-size:18px;line-height:1.7}
.r4a-lt-a{padding:12px}
.r4a-lt-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.r4a-lt-actions button{width:100%;min-height:44px;padding:9px 8px}
.r4a-lt-actions button:first-child{grid-column:1/-1}

.r4a-lt-progress{padding:13px}
.r4a-lt-progress-label{display:block}
.r4a-lt-progress-label span{display:block;margin-top:4px}
.r4a-course-review .r4a-lt-search input{min-height:46px;font-size:16px}
}
@media(max-width:390px){
.r4a-lt-tabs{grid-template-columns:1fr}
.r4a-lt-stats strong{font-size:16px}
.r4a-lt-panel{padding:12px}
.r4a-lt-actions{grid-template-columns:1fr}
.r4a-lt-actions button:first-child{grid-column:auto}
}

.r4a-lt button:focus-visible,.r4a-lt a:focus-visible,.r4a-lt input:focus-visible{outline:3px solid rgba(43,105,170,.28);outline-offset:2px}


/* v2.3.0 — educational context notice for prohibited food/drink vocabulary */
.r4a-lt .r4a-ethical-notice{
  margin:14px 0;
  padding:14px 15px;
  border:1px solid #ead9a7;
  border-radius:14px;
  background:#fffaf0;
  color:#584d35;
}
.r4a-lt .r4a-ethical-notice.compact{padding:11px 12px;margin:10px 0}
.r4a-lt .r4a-ethical-title{display:flex;align-items:center;gap:7px;color:#765c17;margin-bottom:6px}
.r4a-lt .r4a-ethical-notice p{margin:0;line-height:1.9;font-size:14px}
.r4a-lt .r4a-ethical-notice details{margin-top:8px}
.r4a-lt .r4a-ethical-notice summary{cursor:pointer;font-weight:800;color:#765c17}
.r4a-lt .r4a-ethical-phrases{display:grid;grid-template-columns:1fr;gap:6px;margin-top:8px}
.r4a-lt .r4a-ethical-phrase,.r4a-lt .r4a-ethical-mini-phrase{
  display:flex;justify-content:space-between;gap:12px;padding:8px 10px;background:#fff;border:1px solid #eee2c1;border-radius:9px
}
.r4a-lt .r4a-lt-item.ethical-item{border-color:#e6d39a;background:#fffdf8}
.r4a-lt .r4a-lt-ethical-tag{
  display:inline-flex;margin-bottom:8px;padding:4px 8px;border-radius:999px;background:#fff4cc;color:#755c15;font-size:11px;font-weight:800
}
.r4a-lt .r4a-quiz-ethical[hidden]{display:none!important}
@media(max-width:760px){
  .r4a-lt .r4a-ethical-notice{padding:12px;border-radius:12px}
  .r4a-lt .r4a-ethical-notice p{font-size:13px}
  .r4a-lt .r4a-ethical-phrase,.r4a-lt .r4a-ethical-mini-phrase{display:block}
  .r4a-lt .r4a-ethical-phrase span,.r4a-lt .r4a-ethical-mini-phrase span{display:block}
  .r4a-lt .r4a-ethical-phrase span+span,.r4a-lt .r4a-ethical-mini-phrase span+span{margin-top:3px}
}

/* v3.5.0 — accordion lesson tools: active content stays directly below its tab */
.r4a-lt-accordion{display:grid;gap:9px;padding:10px;background:#f7faff;border:1px solid #e3ebf4;border-radius:15px}
.r4a-lt-accordion-item{display:grid;gap:0}
.r4a-lt-accordion-trigger{position:relative;width:100%;min-height:48px;padding:11px 44px 11px 14px!important;border:1px solid #dbe5f1!important;border-radius:12px!important;background:#fff!important;color:var(--n)!important;text-align:right!important;font-weight:850!important;box-shadow:none!important}
.r4a-lt-accordion-trigger.active{background:var(--n)!important;color:#fff!important;border-color:var(--n)!important;border-radius:12px 12px 0 0!important}
.r4a-lt-accordion-chevron{position:absolute;left:14px;top:50%;transform:translateY(-50%) rotate(0deg);font-size:20px;line-height:1;transition:transform .18s ease}
.r4a-lt-accordion-trigger[aria-expanded="true"] .r4a-lt-accordion-chevron{transform:translateY(-50%) rotate(180deg)}
.r4a-lt-accordion .r4a-lt-panel{margin:0!important;border:1px solid #dbe5f1;border-top:0;border-radius:0 0 12px 12px!important;background:#fff;padding:16px!important}
.r4a-lt-accordion .r4a-lt-panel[hidden]{display:none!important}
@media(max-width:760px){
  .r4a-lt-accordion{padding:8px;gap:8px}
  .r4a-lt-accordion-trigger{min-height:46px;font-size:13px!important}
  .r4a-lt-accordion .r4a-lt-panel{padding:13px!important}
}

/* v3.6.0 — cleaner phone-first lesson accordion */
.r4a-lt-accordion-trigger{padding-right:58px!important;padding-left:46px!important;font-size:14px!important;letter-spacing:0!important}
.r4a-lt-accordion-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#edf4fb;color:var(--n);font:900 12px/1 Arial,sans-serif;border:1px solid #d9e6f2}
.r4a-lt-accordion-trigger.active .r4a-lt-accordion-icon{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.22);color:#fff}
.r4a-lt-accordion .r4a-lt-panel{box-shadow:0 8px 24px rgba(20,59,114,.055)}
.r4a-lt-accordion .r4a-lt-panel-head{padding-bottom:10px;border-bottom:1px solid #edf2f7}
.r4a-lt-accordion .r4a-lt-panel-head p{max-width:680px}
@media(max-width:760px){
  .r4a-lt-head{padding:14px!important}.r4a-lt-head p{font-size:13px!important;line-height:1.65!important}
  .r4a-lt-accordion{padding:7px!important;background:#f6f9fd!important;border-radius:14px!important}
  .r4a-lt-accordion-trigger{min-height:56px!important;padding:10px 56px 10px 42px!important;font-size:14px!important;border-radius:13px!important}
  .r4a-lt-accordion-icon{right:11px;width:34px;height:34px;border-radius:11px}
  .r4a-lt-accordion-chevron{left:13px!important;font-size:22px!important}
  .r4a-lt-accordion-trigger.active{border-radius:13px 13px 0 0!important}
  .r4a-lt-accordion .r4a-lt-panel{padding:12px!important;border-radius:0 0 13px 13px!important}
  .r4a-lt-accordion .r4a-lt-panel-head{margin-bottom:10px!important;padding-bottom:8px!important}
  .r4a-lt-accordion .r4a-lt-panel-head h3{font-size:17px!important}
  .r4a-lt-accordion .r4a-lt-panel-head p{font-size:12px!important;line-height:1.55!important}
  .r4a-lt-item,.r4a-lt-verb,.r4a-lt-quiz,.r4a-lt-progress{box-shadow:0 3px 12px rgba(25,62,98,.045)}
}

/* v3.8.2 — resilient Russian4Arab tools hub / related tools */
.r4a-tools-hub,.r4a-tools-related{direction:rtl;color:#0b1b3d;font-family:inherit}
.r4a-tools-hub{max-width:1180px;margin:0 auto 28px;padding:26px;border:1px solid #dce5ee;border-radius:22px;background:linear-gradient(180deg,#fff 0%,#f7f9fc 100%);box-shadow:0 12px 36px rgba(11,27,61,.08)}
.r4a-tools-hero{text-align:center;max-width:760px;margin:0 auto 24px}.r4a-tools-hero>span,.r4a-tools-related-head>div>span{display:inline-block;margin-bottom:6px;color:#00a0d2;font-weight:900;font-size:13px}.r4a-tools-hero h1,.r4a-tools-related h2{margin:0 0 8px;color:#0b1b3d;line-height:1.35}.r4a-tools-hero p,.r4a-tools-related p{margin:0;color:#617086;line-height:1.8}
.r4a-tools-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.r4a-tool-card{display:grid;grid-template-columns:54px 1fr;grid-template-areas:"icon title" "icon desc" "icon cta";gap:3px 13px;align-items:start;padding:18px;border:1px solid #dce5ee;border-radius:17px;background:#fff;color:#0b1b3d!important;text-decoration:none!important;box-shadow:0 6px 18px rgba(11,27,61,.05);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.r4a-tool-card:hover{transform:translateY(-2px);border-color:#9fcce1;box-shadow:0 10px 26px rgba(11,27,61,.10)}
.r4a-tool-card-icon{grid-area:icon;display:grid;place-items:center;width:54px;height:54px;border-radius:15px;background:#eef7fb;color:#0b1b3d;font-size:23px;font-weight:900}.r4a-tool-card strong{grid-area:title;font-size:16px;line-height:1.5}.r4a-tool-card>span:not(.r4a-tool-card-icon){grid-area:desc;color:#66768a;font-size:13px;line-height:1.7}.r4a-tool-card b{grid-area:cta;color:#0089b5;font-size:12px;margin-top:4px}
.r4a-tools-related{margin:22px 0;padding:22px;border:1px solid #dce5ee;border-radius:20px;background:#f8fafc}.r4a-tools-related-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:15px}.r4a-tools-related-head h2{font-size:22px}.r4a-tools-all{flex:0 0 auto;border:1px solid #cbd9e6;border-radius:12px;padding:9px 13px;background:#fff;color:#0b1b3d!important;text-decoration:none!important;font-size:13px;font-weight:900}.r4a-tools-all:hover{background:#eef7fb}
.r4a-library-intro{max-width:920px;margin:0 auto 16px;padding:16px 18px;border:1px solid #dce5ee;border-radius:15px;background:#f7faff;color:#0b1b3d}.r4a-library-intro strong{color:#0089b5}.r4a-library-intro p{margin:6px 0 0;line-height:1.8;color:#617086}
@media(max-width:760px){.r4a-tools-hub{padding:18px 12px;border-radius:17px}.r4a-tools-grid{grid-template-columns:1fr}.r4a-tools-related{padding:16px 10px}.r4a-tools-related-head{display:block}.r4a-tools-all{display:inline-block;margin-top:12px}.r4a-tool-card{grid-template-columns:46px 1fr;padding:15px}.r4a-tool-card-icon{width:46px;height:46px;border-radius:13px;font-size:20px}}