/* ========================================
   📊 CHART COMPONENT STYLES
   ======================================== */

/* 🔥 차트 섹션 기본 레이아웃 */
.chart-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
}

#chart-container-wrapper {
    flex: 1;
    position: relative;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

#tradingview_chart {
    width: 100%;
    height: 100%;
    min-height: 300px;
    background: var(--card-bg);
    flex: 1;
}

/* 🔥 차트 레이아웃 헤더 */
.chart-layout-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 40px;
    border-bottom: 3px solid var(--border-color);
    padding: 0 16px;
    position: relative;
    z-index: 100;
    background: var(--card-bg);
}

/* 🔥 레이아웃 버튼 그룹 */
.layout-buttons-group {
    position: relative;
    display: inline-block;
}

/* 🔥 레이아웃 버튼 - 깔끔한 스타일 */
.layout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    padding: 6px;
}

.layout-btn:hover {
    background: rgba(var(--primary-color-rgb), 0.1);
    transform: translateY(-1px);
}

.layout-btn.active {
    background: rgba(var(--primary-color-rgb), 0.15);
    color: var(--primary-color);
}

/* 다크모드 */
[data-theme="dark"] .layout-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .layout-btn.active {
    background: rgba(var(--primary-color-rgb), 0.2);
}

/* 🔥 드롭다운 메뉴 */
.layout-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    margin-top: 4px;
}

.layout-buttons-group:hover .layout-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0);
}

/* 🔥 드롭다운 아이템 */
.layout-dropdown-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.layout-dropdown-item:last-child {
    border-bottom: none;
}

.layout-dropdown-item:hover {
    background: var(--bg-hover);
}

.layout-dropdown-item.active {
    background: var(--primary-color);
    color: white;
}

.layout-dropdown-item.active .chart-box {
    background: white;
}

/* 🔥 드롭다운 아이템 번호 */
.layout-dropdown-number {
    font-weight: 600;
    margin-right: 12px;
    min-width: 20px;
    text-align: center;
}

/* 🔥 드롭다운 아이콘 그룹 */
.layout-dropdown-icons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* 🔥 드롭다운 아이콘 */
.layout-dropdown-icon {
    display: grid;
    gap: 1px;
    width: 28px;
    height: 20px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--bg-secondary);
    padding: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.layout-dropdown-icon:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

/* 🔥 드롭다운 아이콘 레이아웃별 설정 */
.layout-dropdown-icon.layout-single {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

.layout-dropdown-icon.layout-horizontal {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}

.layout-dropdown-icon.layout-vertical {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
}

.layout-dropdown-icon.layout-grid-3 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.layout-dropdown-icon.layout-grid-4 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

/* 3개 차트 그리드에서 마지막 박스 숨기기 */
.layout-dropdown-icon.layout-grid-3 .chart-box:nth-child(4) {
    display: none;
}

/* 🔥 드롭다운 아이콘 내부 차트 박스 */
.layout-dropdown-icon .chart-box {
    width: 100%;
    height: 100%;
    background: var(--text-secondary);
    border-radius: 1px;
    transition: background-color 0.2s ease;
}

.layout-dropdown-item:hover .layout-dropdown-icon .chart-box {
    background: var(--primary-color);
}

.layout-dropdown-item.active .layout-dropdown-icon .chart-box {
    background: white;
}

.layout-dropdown-item:hover .layout-dropdown-icon {
    border-color: var(--primary-color);
}

.layout-dropdown-item.active .layout-dropdown-icon {
    border-color: white;
    background: rgba(255, 255, 255, 0.1);
}

/* 🔥 레이아웃 아이콘 - 배경만 제거하고 아이콘은 보이게 */
.layout-icon {
    display: grid;
    gap: 2px;
    width: 20px;
    height: 20px;
    transition: all 0.2s ease;
}

.layout-btn:hover .layout-icon {
    transform: scale(1.05);
}

/* 메인 버튼 아이콘 레이아웃별 설정 */
.layout-icon.layout-single {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

.layout-icon.layout-horizontal {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}

.layout-icon.layout-vertical {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
}

.layout-icon.layout-grid-3 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.layout-icon.layout-grid-4 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

/* 3개 차트 그리드에서 마지막 박스 숨기기 */
.layout-icon.layout-grid-3 .chart-box:nth-child(4) {
    display: none;
}

.chart-box {
    width: 100%;
    height: 100%;
    background: transparent;
    border: 1px solid var(--text-color);
    border-radius: 2px;
    transition: all 0.2s ease;
    opacity: 0.6;
}

.layout-btn:hover .chart-box {
    border-color: var(--primary-color);
    opacity: 0.8;
}

.layout-btn.active .chart-box {
    border-color: var(--text-color);
    opacity: 1;
}

/* 🔥 차트 메인 컨테이너 */
.chart-main-container {
    width: 100%;
    height: 100%;
    display: grid;
    gap: 8px;
    padding: 8px;
    background: var(--bg-primary);
}

/* 🔥 기본 레이아웃 (단일 차트) */
.chart-main-container.layout-1.layout-single {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

/* 🔥 2개 차트 레이아웃 */
.chart-main-container.layout-2.layout-horizontal {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}

.chart-main-container.layout-2.layout-vertical {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
}

/* 🔥 3개 차트 레이아웃 */
.chart-main-container.layout-3.layout-horizontal {
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr;
}

.chart-main-container.layout-3.layout-vertical {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr 1fr;
}

.chart-main-container.layout-3.layout-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.chart-main-container.layout-3.layout-grid .chart-container:nth-child(3) {
    grid-column: 1;
    grid-row: 2;
}

/* 🔥 4개 차트 레이아웃 */
.chart-main-container.layout-4.layout-horizontal {
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr;
}

.chart-main-container.layout-4.layout-vertical {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr 1fr 1fr;
}

.chart-main-container.layout-4.layout-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

/* 🔥 개별 차트 컨테이너 */
.chart-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    min-height: 400px;
}

.chart-container:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 🔥 차트 로딩 인디케이터 */
.chart-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    z-index: 10;
}

.chart-loading i {
    font-size: 24px;
    color: var(--primary-color);
}