.start_lesson_widget{padding-top:24px}.start_lesson_widget [hidden]{display:none!important}.start_heading{display:flex;align-items:center;gap:12px}.start_emblem{display:flex;flex:0 0 44px;width:44px;height:44px}.start_layout{display:grid;align-items:start}.start_panel{display:flex;flex-direction:column;gap:20px;min-width:0}.start_board_column{width:100%;min-width:0;max-width:var(--chess-board-size)}.start_board_wrap{width:100%;min-width:0}.start_lesson_widget.chess_reading .start_board_column{grid-area:board}.start_lesson p,.start_exercise p{margin:0 0 14px;line-height:1.55}.start_question{font-size:clamp(18px, 1.7vw, 23px);font-weight:var(--main_bold_weight,700)}.start_actions{display:flex;flex-wrap:wrap;gap:12px}.start_actions .btn{min-height:44px;white-space:normal}.start_actions .btn.secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;color:var(--accent)}.start_action_icon{flex:0 0 20px;width:20px;height:20px}.start_lesson_widget.chess_reading .chess_actions{display:grid}.start_enemy{--piece-body:#39434f;--piece-shade:#222a35;--piece-depth:#101820;--piece-band:#566373;--piece-shine:#8595a6}.start_square.is_rule_focus{box-shadow:inset 0 0 0 3px #7137b8}.start_reply_piece{position:absolute;z-index:4;display:grid;place-items:center;width:12.5%;height:12.5%;pointer-events:none}.start_reply_piece .chess_piece{width:94%;height:94%}.start_square.is_reply_source .chess_piece_slot{visibility:hidden}.start_square.is_last_reply{box-shadow:inset 0 0 0 3px #59616a}.start_square:focus-visible{outline:3px solid #59616a;outline-offset:-3px;z-index:2}@media (min-width:1051px){.start_lesson p{font-size:18px}}@media (max-width:767px){.start_lesson_widget.chess_reading .chess_controls{max-width:var(--chess-board-size)}}@media (width < 600px){.start_lesson_widget.chess_reading .chess_controls{width:calc(100% + 2 * var(--chess-padding-inline));max-width:none;margin-inline:calc(-1 * var(--chess-padding-inline))}}@media (max-width:550px){.start_lesson_widget{padding-top:18px}.start_panel{gap:14px}.start_lesson p,.start_exercise p{font-size:16px}}.start_square.is_selected{box-shadow:inset 0 0 0 4px #e6b23d}.start_square.is_hint_from{box-shadow:inset 0 0 0 3px #7137b8}