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var(--transition);text-decoration:none;white-space:nowrap;cursor:pointer}._btn_1380e_1:disabled{opacity:.5;cursor:not-allowed}._primary_1380e_24{background:var(--color-accent);color:#fff}._primary_1380e_24:hover:not(:disabled){background:var(--color-accent-hover)}._secondary_1380e_32{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}._secondary_1380e_32:hover:not(:disabled){background:var(--color-bg)}._ghost_1380e_41{background:transparent;color:var(--color-accent)}._ghost_1380e_41:hover:not(:disabled){color:var(--color-accent-hover)}._danger_1380e_49{background:#e05252;color:#fff}._danger_1380e_49:hover:not(:disabled){background:#c43b3b}._sm_1380e_57{height:32px;padding:0 14px;font-size:13px}._lg_1380e_63{height:48px;padding:0 28px;font-size:16px}._loading_1380e_69{opacity:.7;cursor:wait}._root_16r4h_1{min-height:100vh;display:flex;flex-direction:column}._header_16r4h_7{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}._nav_16r4h_15{max-width:1200px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;gap:32px}._logo_16r4h_25{font-size:20px;font-weight:500;color:var(--color-accent);text-decoration:none;flex-shrink:0}._links_16r4h_33{display:flex;align-items:center;gap:24px;flex:1}._links_16r4h_33 a{color:var(--color-text-muted);font-size:14px;text-decoration:none;transition:color var(--transition)}._links_16r4h_33 a:hover{color:var(--color-text)}._actions_16r4h_51{display:flex;align-items:center;gap:8px}._main_16r4h_57{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:40px 24px}._footer_16r4h_65{border-top:1px solid var(--color-border);padding:24px;text-align:center;color:var(--color-text-muted);font-size:13px}._card_1dg0z_1{display:flex;flex-direction:column;background:var(--color-surface);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;text-decoration:none;color:var(--color-text);transition:transform .15s ease,box-shadow .15s ease}._card_1dg0z_1:hover{transform:translateY(-2px);box-shadow:0 4px 16px 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12px;resize:vertical;min-height:80px}._error-text_c8jyx_38{font-size:12px;color:#e05252}._error_c8jyx_38 ._input_c8jyx_13{border-color:#e05252}._page_1q3gy_1{display:flex;flex-direction:column;gap:64px;padding-bottom:64px}._hero_1q3gy_9{display:flex;flex-direction:column;align-items:center;text-align:center;padding:80px 24px;background:linear-gradient(180deg,var(--color-surface) 0%,var(--color-bg) 100%);gap:20px}._heroHeadline_1q3gy_19{margin:0;font-size:48px;font-weight:700;line-height:1.15;color:var(--color-text)}._heroSub_1q3gy_27{margin:0;font-size:18px;color:var(--color-text-muted)}._heroSearch_1q3gy_33{display:flex;gap:8px;width:100%;max-width:480px}._searchInput_1q3gy_40{flex:1}._section_1q3gy_45{padding:0 24px;max-width:1100px;margin:0 auto;width:100%;box-sizing:border-box}._sectionTitle_1q3gy_53{font-size:24px;font-weight:600;margin:0 0 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10px;border-radius:var(--radius-pill);background:var(--color-bg);color:var(--color-text-muted);font-size:12px}._center_1wm2v_225{display:flex;justify-content:center;padding:80px}._page_1dcur_1{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 80px);padding:24px 16px}._card_1dcur_9{background:var(--color-surface);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:32px;width:100%;max-width:400px}._title_1dcur_18{margin-bottom:24px;text-align:center}._form_1dcur_23{display:flex;flex-direction:column;gap:16px}._errorMsg_1dcur_29{color:#e05252;font-size:14px;text-align:center}._submit_1dcur_35{width:100%;margin-top:4px}._link_1dcur_40{margin-top:20px;text-align:center;font-size:14px;color:var(--color-text-muted)}._page_1eetx_1{max-width:1100px;margin:0 auto;padding:40px 24px}._heading_1eetx_7{margin-bottom:32px}._grid_1eetx_11{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}@media (max-width: 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var(--color-border);display:flex;flex-direction:column;overflow-y:auto;position:sticky;top:64px;height:calc(100vh - 64px)}._sidebarHeader_djex1_19{padding:24px 20px 16px;border-bottom:1px solid var(--color-border)}._courseTitle_djex1_24{font-size:15px;font-weight:500;line-height:1.4;margin-bottom:6px}._progress_djex1_31{font-size:13px;color:var(--color-text-muted)}._blockList_djex1_36{list-style:none;padding:8px 0;flex:1;overflow-y:auto}._blockItem_djex1_43{display:flex;align-items:flex-start;gap:10px;width:100%;padding:10px 20px;background:none;border:none;text-align:left;cursor:pointer;color:var(--color-text);font-size:14px;line-height:1.4;transition:background var(--transition),color 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var(--color-border)}._content_djex1_81{padding:24px 16px}}._badge_1g9c8_1{display:inline-flex;align-items:center;border-radius:var(--radius-badge);padding:4px 12px;font-size:12px;font-weight:500;white-space:nowrap}._default_1g9c8_11{background:var(--color-border);color:var(--color-text-muted)}._success_1g9c8_16{background:#7a9e7e26;color:var(--color-success)}._accent_1g9c8_21{background:#d97b5c26;color:var(--color-accent)}._overlay_1bl6z_1{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px;animation:_fadeIn_1bl6z_1 .15s ease}._modal_1bl6z_13{background:var(--color-surface);border-radius:var(--radius-card);box-shadow:var(--shadow-modal);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;animation:_slideUp_1bl6z_1 .15s ease}._header_1bl6z_24{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 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