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bdi{font-size:clamp(13px,4.2vw,16px)}}.numbers-glyph-row{white-space:nowrap;direction:ltr;unicode-bidi:isolate;flex-direction:row;display:inline-flex}.numbers-glyph-row>span{flex:none}.arabic-two-variant{transform-origin:50%;display:inline-block}.arabic-two-variant>span{transform-origin:50% 55%;display:inline-block;transform:scaleX(-1)}@media (max-width:720px){.numbers-quiz-card,.numbers-quiz-card.showing-feedback{grid-template-rows:auto minmax(88px,.45fr) minmax(0,1.55fr)}.numbers-response-panel{flex-direction:column;justify-content:flex-start;gap:10px;padding:12px;display:flex;overflow:hidden}.numbers-answer-content{overscroll-behavior:contain;flex:auto;align-content:start;min-height:0;padding:3px;scroll-padding-block:6px;overflow-y:auto}.numbers-choice-grid{flex-shrink:0;gap:8px}.numbers-choice-grid button{grid-template-columns:minmax(0,1fr);min-height:58px;padding:12px 28px;overflow:visible}.numbers-choice-grid kbd,.numbers-choice-grid 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8px}.numbers-difficulty-grid label strong{font-size:14px}.numbers-difficulty-grid label small{font-size:11px}.numbers-difficulty-grid label>i{display:none}.numbers-difficulty-grid label.selected{box-shadow:inset 0 0 0 1px var(--teal)}.numbers-setup-card .setup-actions{padding:0 14px 14px}.numbers-quiz-screen .numbers-question-title{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:7px;padding:12px;display:flex}.numbers-quiz-screen .numbers-question-title h1{font-size:17px;line-height:1.3}.numbers-target-chip{letter-spacing:0;text-transform:none;flex:none}.numbers-choice-grid kbd{display:none}.numbers-choice-grid button{grid-template-columns:minmax(0,1fr);place-items:center;min-height:64px;padding-inline:22px}.numbers-choice-grid button>i{width:20px;height:20px;font-size:10px;position:absolute;top:4px;right:4px}.numbers-quiz-screen .numbers-feedback{min-height:44px;padding:10px 12px;display:block}.numbers-quiz-screen .numbers-feedback 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var(--border-control);background:var(--bg-surface);min-height:24px;color:var(--link);cursor:pointer;letter-spacing:.06em;border-radius:99px;flex:none;padding:1px 9px;font-size:12px;font-weight:850;line-height:1.5}.quiz-screen .conversations-en-toggle{height:24px;min-height:24px}.conversations-en-toggle[aria-pressed=true]{background:var(--selection-bg);border-color:var(--selection-border);color:var(--selection-text)}.conversations-mission h1{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:clamp(13.5px,1.6vw,15.5px);line-height:1.45;display:-webkit-box;overflow:hidden}.conversations-friend-note{border:1px solid var(--border-subtle);background:var(--bg-inset);border-radius:12px;grid-area:note;justify-self:end;align-items:start;gap:8px;max-width:min(60%,340px);padding:4px 9px;animation:.25s conversations-note-in;display:flex}@keyframes conversations-note-in{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}.conversations-friend-note-body{gap:2px;min-width:0;display:grid}.conversations-friend-note-body>small{color:var(--text-secondary);letter-spacing:.04em;text-transform:uppercase;font-size:11px;font-weight:750}.conversations-friend-note-body>bdi{font:460 1.08rem/1.55 var(--arabic)}.conversations-note-toggle{min-height:44px;color:var(--link);cursor:pointer;background:0 0;border:0;justify-self:start;padding:0;font-size:11px;font-weight:800}.conversations-note-toggle:hover{text-decoration:underline}.conversations-thread-wrap{grid-template-rows:minmax(0,1fr);min-height:0;display:grid;position:relative;overflow:hidden}.conversations-thread-wrap>.conversations-thread{min-height:0}.conversations-card.has-recap{grid-template-rows:auto auto minmax(0,1fr) auto}.conversations-recap{border-bottom:1px solid var(--border-subtle);background:var(--bg-inset);align-content:start;gap:6px;min-height:0;max-height:30dvh;padding:8px 14px 9px;display:grid;overflow-y:auto}.conversations-recap-title{letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);margin:0;font-size:11px;font-weight:750}.conversations-recap-line{grid-template-columns:minmax(56px,auto) minmax(0,1fr);align-items:baseline;gap:1px 12px;display:grid}.conversations-recap-line>small{color:var(--text-secondary);font-size:11px;font-weight:700}.conversations-recap-line>bdi{font-size:1.08rem;line-height:1.5}.conversations-recap-english{color:var(--text-secondary);grid-column:2;font-size:12.5px}.conversations-new-pill{z-index:2;border:1px solid var(--border-control);background:var(--bg-surface);min-height:32px;color:var(--link);cursor:pointer;box-shadow:var(--shadow-panel);border-radius:99px;padding:4px 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var(--border-control);background:var(--bg-inset);color:var(--text-secondary)}.conversations-avatar.friend{border:1px solid var(--border-subtle);background:var(--bg-inset);width:24px;height:24px;color:var(--text-secondary);font-size:12px}.conversations-avatar.you{border:1px solid var(--border-control);background:var(--bg-inset);color:var(--text-body)}.conversations-avatar-glyph{width:18px;height:18px}.conversations-msg{border:1px solid var(--border-subtle);background:var(--bg-surface);border-radius:14px;gap:3px;min-width:0;padding:8px 12px 9px;display:grid}.conversations-msg bdi{font:460 1.3rem/1.85 var(--arabic);overflow-wrap:anywhere}.conversations-msg small{color:var(--text-secondary);font-size:14.5px;line-height:1.5}.conversations-msg.partner{border-inline-start:3px solid var(--border-subtle);border-start-start-radius:4px}.conversations-msg.learner{border-inline-end:3px solid var(--selection-border);background:var(--selection-bg);color:var(--selection-text);border-start-end-radius:4px}.conversations-msg.learner.corrected{border-inline-end-color:var(--warning-border)}.conversations-msg.learner.rejected{opacity:1;color:var(--text-secondary);border-style:dashed;border-inline-end-color:var(--border-control);background:var(--bg-inset)}.conversations-msg.clarification{border-color:var(--error-border);background:var(--error-bg)}.conversations-msg.narrator{max-width:94%;color:var(--text-secondary);text-align:center;background:0 0;border-style:dashed;align-self:center;font-size:12.5px;font-style:italic}.conversations-chip{border:1px solid var(--border-subtle);background:var(--bg-inset);color:var(--text-secondary);letter-spacing:.05em;border-radius:99px;justify-self:start;padding:1px 8px;font-size:10px;font-style:normal}.conversations-speak{min-height:44px;color:var(--link);cursor:pointer;letter-spacing:.04em;background:0 0;border:0;justify-self:start;align-items:center;gap:5px;padding:0;font-size:11px;font-weight:800;display:inline-flex}.conversations-speak:hover{text-decoration:underline}.conversations-kbd-hint{color:var(--text-secondary);margin:10px 18px 0;font-size:11.5px}.conversations-phrases article .conversations-phrase-body{gap:2px;min-width:0;display:grid}.conversations-phrases article .conversations-phrase-body bdi{text-overflow:ellipsis;white-space:nowrap;font:600 20px var(--arabic);overflow:hidden}.conversations-phrases article .conversations-phrase-body small{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;font-size:11.5px;overflow:hidden}.conversations-attachment{border:1px solid var(--border-control);background:var(--bg-inset);cursor:pointer;text-align:start;border-radius:10px;align-items:center;gap:9px;margin-top:4px;padding:7px 10px;transition:border-color .16s,background-color 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var(--border-subtle);background:var(--bg-elevated);width:min(560px,94vw);max-height:min(640px,88vh);box-shadow:var(--shadow-panel);border-radius:14px;grid-template-rows:auto minmax(0,1fr) auto;display:grid;position:fixed;inset:50% auto auto 50%;overflow:hidden;translate:-50% -50%}.conversations-menu-dialog>header{border-bottom:1px solid var(--border-subtle);background:var(--bg-inset);justify-content:space-between;align-items:start;gap:12px;padding:14px 16px;display:flex}.conversations-menu-dialog>header h2{margin:2px 0 0;font-size:19px}.conversations-menu-dialog>header h2 bdi{font:700 1.35rem/1.5 var(--arabic);color:var(--text-heading)}.conversations-menu-dialog>header p{color:var(--text-secondary);margin:0;font-size:12.5px}.conversations-menu-dialog>header button{border:1px solid var(--border-control);background:var(--bg-surface);cursor:pointer;border-radius:8px;min-width:44px;min-height:44px;font-size:18px}.conversations-menu-items{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:14px 16px;display:grid;overflow-y:auto}.conversations-menu-item{border:1px solid var(--border-control);background:var(--bg-surface);cursor:pointer;text-align:center;border-radius:12px;align-content:center;justify-items:center;gap:4px;min-height:116px;padding:12px 10px;transition:border-color .16s,background-color .16s;display:grid;position:relative}.conversations-menu-item:hover:not(:disabled){border-color:var(--selection-border)}.conversations-menu-item.selected{border-color:var(--selection-border);background:var(--selection-bg);color:var(--selection-text);box-shadow:0 0 0 1px var(--selection-border) 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