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ease;overflow:hidden}._option_18q0u_36:hover:not(:disabled){border-color:var(--primary);background-color:var(--primary-bg)}._option_18q0u_36:disabled{cursor:default}._selected_18q0u_68{border-color:var(--primary)}._optionContent_18q0u_72{display:flex;align-items:center;justify-content:space-between}._correct_18q0u_78{border-color:var(--success);background-color:var(--success-bg);color:#166534;animation:_pulseCorrect_18q0u_1 .4s ease}._incorrect_18q0u_86{border-color:var(--danger);background-color:var(--danger-bg);color:#991b1b;animation:_shakeIncorrect_18q0u_1 .4s ease}._iconCorrect_18q0u_93{color:var(--success);animation:_fadeIn_18q0u_1 .3s ease}._iconIncorrect_18q0u_98{color:var(--danger);animation:_fadeIn_18q0u_1 .3s ease}@keyframes _pulseCorrect_18q0u_1{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}@keyframes _shakeIncorrect_18q0u_1{0%{transform:translate(0)}25%{transform:translate(-5px)}50%{transform:translate(5px)}75%{transform:translate(-5px)}to{transform:translate(0)}}._wrapper_1g5hh_1{margin:2.5rem 0;width:100%;display:flex;justify-content:center}._perspective_1g5hh_8{perspective:1200px;width:100%;max-width:500px;height:280px;cursor:pointer}._card_1g5hh_16{position:relative;width:100%;height:100%;transform-style:preserve-3d}._side_1g5hh_23{position:absolute;width:100%;height:100%;border-radius:24px;padding:2.5rem;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:#fff;border:1px solid var(--border);box-shadow:0 10px 30px -10px #0000001a;transition:box-shadow .3s ease}._wrapper_1g5hh_1:hover ._side_1g5hh_23{box-shadow:0 20px 40px -15px #00000026}._back_1g5hh_44{background:linear-gradient(135deg,#f5f3ff,#fff);border:2px solid var(--primary)}._label_1g5hh_49{position:absolute;top:1.5rem;right:1.5rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--surface);padding:.25rem .75rem;border-radius:100px;border:1px solid var(--border)}._mainText_1g5hh_64{font-size:1.5rem;font-weight:700;color:var(--text-color);line-height:1.4}._hint_1g5hh_71{position:absolute;bottom:1.5rem;font-size:.875rem;color:var(--text-muted);display:flex;align-items:center;gap:.5rem}._flipBack_1g5hh_81{position:absolute;bottom:1.5rem;font-size:.875rem;color:var(--primary);font-weight:600;display:flex;align-items:center;gap:.5rem}.dark ._side_1g5hh_23{background:var(--surface);border-color:var(--border)}.dark ._back_1g5hh_44{background:linear-gradient(135deg,#1e1b4b,#0f172a)}._markdownContainer_xktkp_1{font-size:1.125rem;line-height:1.7;color:var(--text-color);max-width:800px;margin:0 auto}._markdownContainer_xktkp_1 h1{font-size:2.5rem;color:var(--primary);margin-block-end:2rem;text-align:center}._markdownContainer_xktkp_1 h2{font-size:1.8rem;border-bottom:2px solid var(--border);padding-bottom:.5rem;margin-block-start:2.5rem}._markdownContainer_xktkp_1 h3{font-size:1.5rem;color:var(--text-muted)}._markdownContainer_xktkp_1 ul,._markdownContainer_xktkp_1 ol{padding-inline-start:1.5rem;margin-block-end:1.5rem}._markdownContainer_xktkp_1 li{margin-block-end:.5rem}._markdownContainer_xktkp_1 p{margin-block-end:1.5rem;unicode-bidi:isolate}._markdownContainer_xktkp_1 ._math-block_xktkp_46{text-align:center;font-size:1.2em;padding:1rem;background:var(--surface);border-radius:var(--radius-md);margin-block:1rem;overflow-x:auto;direction:ltr}._overlay_9k3tm_1{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:2000;display:flex;flex-direction:column}.dark ._overlay_9k3tm_1{background:#0f172af2}._header_9k3tm_18{padding:2rem;display:flex;justify-content:space-between;align-items:center;max-width:1000px;width:100%;margin:0 auto}._progressContainer_9k3tm_28{flex:1;max-width:400px}._progressText_9k3tm_33{font-size:.875rem;font-weight:600;color:var(--text-muted);margin-bottom:.5rem;text-align:right}._progressBar_9k3tm_41{height:6px;background:var(--border);border-radius:100px;overflow:hidden}._progressFill_9k3tm_48{height:100%;background:var(--primary);border-radius:100px}._closeButton_9k3tm_54{background:var(--surface);border:1px solid var(--border);padding:.75rem;border-radius:100px;cursor:pointer;color:var(--text-color);display:flex;align-items:center;justify-content:center;transition:all .2s ease;margin-right:2rem}._closeButton_9k3tm_54:hover{background:var(--border);transform:scale(1.1)}._content_9k3tm_73{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:2rem}._perspective_9k3tm_82{perspective:1500px;width:100%;max-width:600px;height:400px;cursor:pointer}._card_9k3tm_90{position:relative;width:100%;height:100%;transform-style:preserve-3d}._side_9k3tm_97{position:absolute;width:100%;height:100%;border-radius:32px;padding:3rem;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:#fff;border:1px solid var(--border);box-shadow:0 20px 50px -15px #0000001a}.dark ._side_9k3tm_97{background:var(--surface)}._back_9k3tm_117{background:linear-gradient(135deg,#f5f3ff,#fff);border:2px solid var(--primary)}.dark ._back_9k3tm_117{background:linear-gradient(135deg,#1e1b4b,#0f172a)}._label_9k3tm_126{position:absolute;top:2rem;right:2rem;font-size:.875rem;font-weight:700;color:var(--primary);opacity:.6}._mainText_9k3tm_136{font-size:2rem;font-weight:700;line-height:1.3}._hint_9k3tm_142{position:absolute;bottom:2rem;font-size:1rem;color:var(--text-muted)}._controls_9k3tm_149{margin-top:3rem;display:flex;gap:2rem}._navButton_9k3tm_155{background:var(--surface);border:1px solid var(--border);padding:1rem 2rem;border-radius:16px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.75rem;transition:all .2s ease}._navButton_9k3tm_155:hover{background:var(--border);transform:translateY(-2px)}._card_5khu9_1{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:2rem;cursor:pointer;display:flex;flex-direction:column;height:100%;transition:border-color .2s ease,box-shadow .2s ease}._card_5khu9_1:hover{border-color:var(--accent-color);box-shadow:0 20px 40px #0000000d}._iconBox_5khu9_18{width:64px;height:64px;background:var(--accent-color);color:#fff;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;box-shadow:0 8px 16px #0000001a}._title_5khu9_31{font-size:1.5rem;font-weight:800;margin:0 0 .75rem;color:var(--text-color)}._description_5khu9_38{font-size:1rem;color:var(--text-muted);line-height:1.6;margin:0 0 2rem;flex:1}._footer_5khu9_46{display:flex;justify-content:space-between;align-items:center;padding-top:1.5rem;border-top:1px solid var(--border)}._count_5khu9_54{font-size:.875rem;font-weight:600;opacity:.6}._startButton_5khu9_60{display:flex;align-items:center;gap:.5rem;color:var(--accent-color);font-weight:700;font-size:.95rem}[data-theme=dark] ._card_5khu9_1:hover{box-shadow:0 20px 40px #0006}._container_hoyyy_1{width:100%;max-width:1200px;margin:0 auto;padding:4rem 2rem;direction:rtl}._header_hoyyy_9{text-align:center;margin-bottom:5rem}._title_hoyyy_14{font-size:3.5rem;font-weight:900;margin-bottom:1rem;background:linear-gradient(135deg,var(--text-color),var(--primary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}._subtitle_hoyyy_24{font-size:1.25rem;color:var(--text-muted);max-width:600px;margin:0 auto}._grid_hoyyy_31{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2.5rem}@media(max-width:768px){._title_hoyyy_14{font-size:2.5rem}._grid_hoyyy_31{grid-template-columns:1fr}._container_hoyyy_1{padding:2rem 1rem}}._desktopSidebar_acf4x_1{width:280px;height:100vh;position:sticky;top:0;border-left:1px solid var(--border);background:rgba(var(--primary-rgb),.03);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:block}[data-theme=dark] ._desktopSidebar_acf4x_1{background:#0003}._mobileSidebar_acf4x_16{position:fixed;top:0;right:0;width:85%;max-width:320px;height:100vh;background:var(--bg-color);z-index:1001;box-shadow:-10px 0 30px #0003;display:flex;flex-direction:column}._overlay_acf4x_30{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000}._mobileToggle_acf4x_41{position:fixed;bottom:24px;left:24px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);z-index:1002;border:none;cursor:pointer}._content_acf4x_59{padding:2rem 1.25rem;display:flex;flex-direction:column;height:100%}._header_acf4x_66{margin-bottom:2rem;padding:0 .5rem}._backLink_acf4x_71{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:var(--primary);text-decoration:none;margin-bottom:1rem;font-weight:600}._title_acf4x_82{font-size:1.15rem;font-weight:700;margin:0;color:var(--text-color)}._subtitle_acf4x_89{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;opacity:.5;margin:.25rem 0 0}._nav_acf4x_97{display:flex;flex-direction:column;gap:.25rem}._navItem_acf4x_103{display:flex;align-items:center;padding:.75rem;border-radius:10px;text-decoration:none;color:var(--text-color);transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;border:1px solid transparent}._navItem_acf4x_103:hover{background:rgba(var(--primary-rgb),.08);transform:translate(-4px)}._navItem_acf4x_103._active_acf4x_120{background:rgba(var(--primary-rgb),.12);border-color:rgba(var(--primary-rgb),.2);color:var(--primary);font-weight:600}._iconWrapper_acf4x_127{margin-left:.875rem;display:flex;align-items:center;justify-content:center;opacity:.5}._active_acf4x_120 ._iconWrapper_acf4x_127{opacity:1}._label_acf4x_139{flex:1;font-size:.9rem}._checkWrapper_acf4x_144{display:flex;align-items:center;margin-left:.5rem}._checkIcon_acf4x_150{color:var(--success)}._arrow_acf4x_154{opacity:.2;transform:rotate(180deg)}._active_acf4x_120 ._arrow_acf4x_154{opacity:0}@media(min-width:1025px){._mobileSidebar_acf4x_16,._mobileToggle_acf4x_41,._overlay_acf4x_30{display:none!important}}@media(max-width:1024px){._desktopSidebar_acf4x_1{display:none}}