/* 접었다 펴는 옵션 메뉴 (Details/Summary) */
.category-details {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 10px;
    overflow: hidden;
}

.category-details summary {
    padding: 10px 12px;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
}

.category-details summary:hover {
    background: rgba(255, 255, 255, 0.05);
}

.details-content {
    padding: 12px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* 라디오 버튼 스위치 (기본/전문가 투트랙용) */
/* 라디오 버튼 스위치 (기본/전문가 투트랙용) */
.radio-group {
    display: flex;
    gap: 10px;
    background: rgba(0,0,0,0.2);
    padding: 4px;
    border-radius: 6px;
}

.radio-group label {
    flex: 1;
    /* 🌟 라디오 버튼 안의 텍스트를 정중앙에 완벽히 배치합니다 */
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 8px 0;
    border-radius: 4px;
    color: var(--text-sub);
}

.radio-group input[type="radio"] {
    display: none;
}

.radio-group input[type="radio"]:checked + label,
.radio-group label:has(input[type="radio"]:checked) {
    background: var(--accent-primary);
    color: #111;
    font-weight: bold;
}

/* 체크박스 그룹 */
.checkbox-group {
    /* 🌟 상위 클래스의 위아래(Column) 배치를 무시하고 무조건 좌우(Row)로 배치합니다! */
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    justify-content: flex-start; /* 왼쪽 정렬 */
    gap: 10px; /* 체크박스와 텍스트 사이 간격 */
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent-primary);
    margin: 0; /* 불필요한 마진 제거 */
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
}

/* ==========================================
   🌟 엔진 옵션 패널 레이아웃 클래스 추가 (인라인 분리용)
========================================== */
.engine-label-bold {
    font-weight: bold;
    margin-bottom: 5px;
    display: block;
}

.engine-advanced-panel {
    background: rgba(0,0,0,0.2);
    padding: 10px;
    border-radius: 6px;
    border: 1px dashed var(--border-color);
    margin-bottom: 10px;
}

.engine-sub-group {
    margin-bottom: 8px;
}

.engine-label-sm {
    font-size: 0.85em;
    display: block;
    margin-bottom: 4px;
}

.engine-label-highlight {
    font-size: 0.85em;
    color: #89b4fa;
    display: block;
    margin-bottom: 5px;
}

.engine-val-highlight {
    color: var(--accent-success);
    font-weight: bold;
}

.engine-val-purple {
    color: #CBA6F7;
    font-weight: bold;
}

.engine-slider-full {
    width: 100%;
    margin-bottom: 4px;
}

.engine-desc-sm {
    color: var(--text-secondary);
    font-size: 0.75em;
    display: block;
    margin-top: 4px;
    line-height: 1.3;
}

.engine-desc-inline {
    font-size: 0.8em;
    color: var(--text-secondary);
}

.engine-divider {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 10px 0;
}

.engine-divider-dashed {
    border: 0;
    border-top: 1px dashed var(--border-color);
    margin: 6px 0;
}

.engine-row-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.engine-sub-panel {
    background: var(--bg-color);
    padding: 8px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.engine-checkbox-row {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important; /* 양끝 찢어짐 방지, 무조건 왼쪽 밀착! */
    gap: 8px !important;
    cursor: pointer;
}

.engine-checkbox-text {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.engine-post-controls {
    margin-left: 28px;
    margin-top: 8px;
}

.pattern-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* 2. 모달 창 본체 (팝업 애니메이션 적용) */
.pattern-modal-content {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 420px;
    max-width: 90vw;
    max-height: 90vh;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.pattern-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
}

.pattern-modal-header h3 {
    margin: 0;
    font-size: 1.1em;
    color: var(--text-main);
}

.pattern-modal-body {
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* 3. 브러시 도구 버튼들 */
.pattern-tools {
    display: flex;
    gap: 6px;
}

.pattern-tool-btn {
    flex: 1;
    padding: 10px 5px;
    background: var(--bg-surface);
    color: var(--text-sub);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85em;
    transition: all 0.2s;
    font-weight: bold;
}

.pattern-tool-btn:hover {
    background: var(--bg-color);
}

.pattern-tool-btn.active {
    background: var(--accent-primary);
    color: #ffffff;
    border-color: var(--accent-primary);
    box-shadow: 0 2px 8px rgba(137, 180, 250, 0.3); /* 파란빛 후광 */
}

/* 4. 그리드 도화지 영역 ( GeoPixels 브러시 에디터 스타일 ) */
.pattern-editor-workspace {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px 0;
    padding: 20px;
    background: var(--bg-color); /* 살짝 파인 느낌의 어두운 배경 */
    border-radius: 8px;
    border: 1px inset rgba(0, 0, 0, 0.5);
}

.custom-pattern-grid {
    display: grid;
    gap: 2px; /* 셀 사이의 틈 (GeoPixels 감성) */
    width: 100%;
    max-width: 280px; 
    aspect-ratio: 1 / 1;
}

.pattern-cell {
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    cursor: pointer;
    user-select: none;
    transition: transform 0.05s, background-color 0.1s;
}

.pattern-cell:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.pattern-cell:active {
    transform: scale(0.9);
}

/* 🌟 상태별 셀 디자인 (핵심!) */
.pattern-cell[data-state="0"] {
    background: #11111b; /* 아주 어두운 검정 (깎아내기) */
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.8);
}

.pattern-cell[data-state="1"] {
    background: var(--bg-surface); /* 기본 회색 (유지) */
}

.pattern-cell[data-state="2"] {
    background: var(--accent-success); /* 밝은 초록색 (덧칠하기) */
    box-shadow: 0 0 10px rgba(166, 227, 161, 0.4);
}

/* 5. 모달 하단 버튼 그룹 */
.pattern-modal-footer {
    display: flex;
    gap: 8px;
    padding: 16px 20px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.pattern-modal-footer #btnApplyCustomPattern {
    flex: 1; /* 반영 버튼을 가장 눈에 띄고 넓게 */
    min-width: 100%;
    margin-top: 5px;
    padding: 12px;
    font-size: 1.05em;
}