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.2s}.lesson-selection-dialog__search-input::placeholder{color:#ababab}.lesson-selection-dialog__search-input:focus{border-color:var(--color-first)}.lesson-selection-dialog__search-icon{color:#ababab;cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:4px;display:flex;position:absolute;top:50%;right:24px;transform:translateY(-50%)}.lesson-selection-dialog__search-icon svg{width:18px;height:18px}.lesson-selection-dialog__tree{border-left:1px solid var(--Grays-Gray-05,#e0e0e0);border-right:1px solid var(--Grays-Gray-05,#e0e0e0);max-height:320px;overflow-y:auto}.lesson-selection-dialog__loading{color:#767676;justify-content:center;align-items:center;min-height:60px;padding:20px;font-size:14px;display:flex}.lesson-selection-dialog__empty{text-align:center;color:#767676;padding:20px;font-size:14px}.lesson-selection-dialog__units{margin:0;padding:0;list-style:none}.lesson-selection-dialog__unit{border-bottom:1px solid var(--Grays-Gray-05,#e0e0e0)}.lesson-selection-dialog__unit:last-child{border-bottom:none}.lesson-selection-dialog__unit-row{align-items:center;gap:16px;padding:12px 16px;transition:background-color .15s;display:flex}.lesson-selection-dialog__unit-row:hover{background-color:rgba(var(--color-first),.04)}.lesson-selection-dialog__unit-row--inert:hover{background-color:transparent}.lesson-selection-dialog__unit-toggle{color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;flex:1;align-items:center;gap:16px;min-width:0;padding:0;display:flex}.lesson-selection-dialog__unit-toggle:focus-visible{outline:var(--focus-ring-size,var(--ui-stroke-2))solid var(--focus-ring-color,var(--ui-color-stroke-focus-secondary));outline-offset:var(--focus-ring-offset,2px)}.lesson-selection-dialog__unit-info{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.lesson-selection-dialog__unit-name{font-family:var(--font-second);color:#333;text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:700;line-height:24px;overflow:hidden}.lesson-selection-dialog__unit-counter{font-family:var(--font-second);font-size:14px;font-weight:700;line-height:var(--ui-line-height-20);color:var(--ui-color-neutral-grey-500);text-transform:uppercase;letter-spacing:.3px}.lesson-selection-dialog__unit-chevron{color:#767676;flex-shrink:0}.lesson-selection-dialog__lessons{margin:0;padding:0 0 8px;list-style:none}.lesson-selection-dialog__lesson-row{border-radius:6px;justify-content:space-between;align-items:center;gap:8px;min-height:40px;padding-right:8px;transition:background-color .15s;display:flex}.lesson-selection-dialog__lesson-row:hover{background-color:rgba(var(--color-first),.04)}.lesson-selection-dialog__lesson-row--selected{background-color:rgba(var(--color-first),.08)}.lesson-selection-dialog__lesson-row--disabled:hover{background-color:transparent}.lesson-selection-dialog__lesson-row--disabled .lesson-selection-dialog__lesson-name{color:var(--ui-color-neutral-grey-500)}.lesson-selection-dialog__option{color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;flex:1;align-items:center;min-width:0;padding:0;display:flex}.lesson-selection-dialog__option:focus-visible{outline:var(--focus-ring-size,var(--ui-stroke-2))solid var(--focus-ring-color,var(--ui-color-stroke-focus-secondary));outline-offset:var(--focus-ring-offset,2px)}.lesson-selection-dialog__option[aria-disabled=true]{cursor:default}.lesson-selection-dialog__option--lesson{--focus-ring-offset:calc(-2*var(--focus-ring-size,var(--ui-stroke-2)));align-self:stretch;gap:8px;padding-left:48px}.lesson-selection-dialog__option--unit{gap:16px}.lesson-selection-dialog__lesson-tag.tag{--tag-radius:16px;flex-shrink:0}.lesson-selection-dialog__lesson-name{font-family:var(--font-second);color:#333;font-size:14px;font-weight:500;line-height:var(--ui-line-height-20);text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.lesson-selection-dialog__checkbox{width:var(--lesson-selection-dialog-checkbox-size);height:var(--lesson-selection-dialog-checkbox-size);border-radius:var(--ui-radius-sm);border:2px solid var(--ui-color-neutral-grey-500);cursor:pointer;background-color:#fff;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:all .2s;display:flex}.lesson-selection-dialog__checkbox:focus-visible{outline:var(--focus-ring-size,var(--ui-stroke-2))solid var(--focus-ring-color,var(--ui-color-stroke-focus-secondary));outline-offset:var(--focus-ring-offset,2px)}.lesson-selection-dialog__checkbox svg{width:12px;height:12px}.lesson-selection-dialog__checkbox--checked{background-color:var(--color-first);border-color:var(--color-first)}.lesson-selection-dialog__checkbox--indeterminate{border-color:var(--color-first);background-color:#fff}.lesson-selection-dialog__checkbox--unchecked:not(.lesson-selection-dialog__checkbox--disabled):hover,.lesson-selection-dialog__option:hover>.lesson-selection-dialog__checkbox--unchecked:not(.lesson-selection-dialog__checkbox--disabled){border-color:var(--color-first);background-color:rgba(var(--color-first),.05)}.lesson-selection-dialog__checkbox--disabled{background-color:var(--ui-color-neutral-grey-200);cursor:default;border-color:#ababab}.lesson-selection-dialog__checkbox-indeterminate{background-color:var(--color-first);border-radius:1px;width:10px;height:3px}.lesson-selection-dialog__actions{border:1px solid var(--Grays-Gray-05,#e0e0e0);background:#f9f9f9;border-radius:0 0 8px 8px;justify-content:flex-end;align-items:center;gap:16px;padding:12px 8px;display:flex}.lesson-selection-dialog__actions .button:disabled,.lesson-selection-dialog__actions .button[disabled]{color:#ababab;opacity:.6;background:0 0}.lesson-selection-dialog__footer-count{font-family:var(--font-second);color:#4e4e4e;white-space:nowrap;font-size:16px;font-weight:700;line-height:26px}.lesson-selection-dialog__field{margin-bottom:20px}.lesson-selection-dialog__field:last-child{margin-bottom:0}.lesson-selection-dialog__no-lessons{text-align:center;color:var(--color-text-secondary);background-color:var(--color-background-light);border-radius:8px;padding:20px;font-size:14px}.lesson-selection-dialog__error-title{color:var(--ui-color-text-error);font-family:var(--font-second);font-size:14px;font-style:normal;font-weight:500;line-height:20px}.lesson-selection-dialog__error-message{color:var(--ui-color-text-error);font-family:var(--font-second);font-size:16px;font-style:normal;font-weight:500;line-height:24px}