/**
 * K 線圖表樣式
 *
 * @package TwStockYongrui
 * @since 1.1.0
 */

/* ==================== 圖表容器 ==================== */

.tw-stock-kline-wrapper {
    margin: 20px 0;
    padding: 20px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* ==================== 標題區域 ==================== */

.tw-stock-kline-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f5f5f5;
}

.tw-stock-kline-title {
    margin: 0 0 8px 0;
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.tw-stock-kline-info {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: #666;
}

.tw-stock-kline-info .info-item {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: #f8f9fa;
    border-radius: 4px;
}

/* ==================== 週期切換按鈕 ==================== */

.tw-stock-interval-buttons {
    display: flex;
    gap: 8px;
    margin: 12px 0;
}

.tw-stock-interval-buttons .interval-btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #666;
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tw-stock-interval-buttons .interval-btn:hover {
    color: #333;
    background: #e8e8e8;
    border-color: #ccc;
    transform: translateY(-1px);
}

.tw-stock-interval-buttons .interval-btn.active {
    color: #fff;
    background: #2271b1;
    border-color: #2271b1;
    font-weight: 600;
}

.tw-stock-interval-buttons .interval-btn:active {
    transform: translateY(0);
}


.tw-stock-kline-info .info-item::before {
    content: '•';
    margin-right: 6px;
    color: #999;
}

/* ==================== 圖表容器 ==================== */

.tw-stock-kline-chart {
    position: relative;
    width: 100%;
    min-height: 300px;
    background: #ffffff;
    border-radius: 4px;
}

/* ==================== 週期切換按鈕 ==================== */

.tw-stock-interval-buttons {
    display: flex;
    gap: 8px;
    margin: 12px 0;
}

.tw-stock-interval-buttons .interval-btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #666;
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tw-stock-interval-buttons .interval-btn:hover {
    color: #333;
    background: #e8e8e8;
    border-color: #ccc;
    transform: translateY(-1px);
}

.tw-stock-interval-buttons .interval-btn.active {
    color: #fff;
    background: #2271b1;
    border-color: #2271b1;
    font-weight: 600;
}

.tw-stock-interval-buttons .interval-btn:active {
    transform: translateY(0);
}

/* 禁用狀態（載入中） */
.tw-stock-interval-buttons .interval-btn:disabled,
.tw-stock-interval-buttons .interval-btn.loading {
    cursor: not-allowed;
    opacity: 0.6;
    pointer-events: none;
}

/* 載入中的按鈕（保持當前背景色，但加上透明度） */
.tw-stock-interval-buttons .interval-btn.loading.active {
    opacity: 0.8;
}

/* ==================== K 線價格資訊 ==================== */

.tw-stock-kline-price-info {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 16px 0;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
}

.tw-stock-kline-price-info .price-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 100px;
}

.tw-stock-kline-price-info .price-item .label {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}
/* 一般數值樣式  */
.tw-stock-kline-price-info .price-item .value {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

/* 最高價 - 紅色 */
.tw-stock-kline-price-info .price-item .value.high {
    color: #ef5350;
}

/* 最低價 - 綠色 */
.tw-stock-kline-price-info .price-item .value.low {
    color: #26a69a;
}

/* 收盤價 - 深色 */
.tw-stock-kline-price-info .price-item .value.close {
    color: #1976d2;
    
}



/* 漲跌幅 - 上漲紅色 */
.tw-stock-kline-price-info .price-item .value.change.up {
    color: #ef5350;
}

/* 漲跌幅 - 下跌綠色 */
.tw-stock-kline-price-info .price-item .value.change.down {
    color: #26a69a;
}

/* ==================== 錯誤訊息 ==================== */

.tw-stock-error {
    padding: 16px;
    background: #fff3e0;
    border: 1px solid #ffb74d;
    border-radius: 4px;
    color: #e65100;
    font-size: 14px;
    text-align: center;
}

/* ==================== 載入中動畫 ==================== */

.tw-stock-loading-spinner {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    border-radius: 4px;
}

.tw-stock-loading-spinner .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #2271b1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.tw-stock-loading-spinner .loading-text {
    margin-top: 12px;
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==================== 提示訊息 ==================== */

.tw-stock-notice {
    margin-top: 8px;
    padding: 8px 12px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    color: #856404;
    font-size: 13px;
}

/* ==================== 響應式設計 ==================== */

@media (max-width: 768px) {
    .tw-stock-kline-wrapper {
        padding: 16px;
        margin: 16px 0;
    }

    .tw-stock-kline-title {
        font-size: 18px;
    }

    .tw-stock-kline-info {
        gap: 8px;
        font-size: 12px;
    }

    .tw-stock-kline-info .info-item {
        padding: 3px 8px;
    }

    .tw-stock-kline-chart {
        min-height: 250px;
    }

    /* 週期按鈕 */
    .tw-stock-interval-buttons {
        gap: 6px;
    }

    .tw-stock-interval-buttons .interval-btn {
        padding: 6px 12px;
        font-size: 13px;
    }

    /* 價格資訊 */
    .tw-stock-kline-price-info {
        gap: 12px;
        padding: 12px;
    }

    .tw-stock-kline-price-info .price-item {
        min-width: 80px;
    }

    .tw-stock-kline-price-info .price-item .value {
        font-size: 16px;
    }

    .tw-stock-kline-price-info .price-item .value.close {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .tw-stock-kline-wrapper {
        padding: 12px;
        margin: 12px 0;
    }

    .tw-stock-kline-title {
        font-size: 16px;
    }

    .tw-stock-kline-info {
        flex-direction: column;
        gap: 6px;
    }

    .tw-stock-kline-chart {
        min-height: 200px;
    }

    /* 週期按鈕 */
    .tw-stock-interval-buttons {
        flex-wrap: wrap;
        gap: 4px;
    }

    .tw-stock-interval-buttons .interval-btn {
        padding: 5px 10px;
        font-size: 12px;
    }

    /* 價格資訊 */
    .tw-stock-kline-price-info {
        gap: 8px;
        padding: 10px;
    }

    .tw-stock-kline-price-info .price-item {
        min-width: 70px;
    }

    .tw-stock-kline-price-info .price-item .label {
        font-size: 11px;
    }

    .tw-stock-kline-price-info .price-item .value {
        font-size: 14px;
    }

    .tw-stock-kline-price-info .price-item .value.close {
        font-size: 16px;
    }
}

/* ==================== 列印樣式 ==================== */

@media print {
    .tw-stock-kline-wrapper {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .tw-stock-kline-chart {
        page-break-inside: avoid;
    }
}