/* ============ 日期间隔查询 - 工具特有样式 ============ */
/* 通用样式（卡片、按钮、分隔线、info-box等）已由 common.css 统一提供 */

/* ---- 日期输入行 ---- */
.date-row {
    display: flex;
    align-items: center;
    padding: 10px 0;
    gap: 12px;
    border-bottom: 1px solid #f3f4f6;
}

.date-row:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.date-row-label {
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
    min-width: 68px;
}

/* 日期选择器：年-月-日 时-分-秒 一行 */
.datetime-picker {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    flex: 1;
}

/* 选择器组：[-] [56] [+] 单位 */
.picker-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.btn-minus, .btn-plus {
    width: 28px;
    height: 28px;
    border: 1px solid #d1d5db;
    border-radius: 5px;
    background: #fff;
    color: #6b7280;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
}

.btn-minus:hover, .btn-plus:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
    color: #374151;
}

.picker-input {
    width: 64px;
    height: 30px;
    padding: 0 4px;
    border: 1px solid #d1d5db;
    border-radius: 5px;
    font-size: 14px;
    text-align: center;
    outline: none;
    background: #fafbfc;
    transition: border-color 0.15s;
}

.picker-input:focus {
    border-color: #8b5cf6;
    background: #fff;
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.12);
}

.picker-label {
    font-size: 13px;
    color: #6b7280;
    margin-right: 6px;
    flex-shrink: 0;
}

/* ---- 结果网格 ---- */
.result-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 0;
}

.result-item {
    text-align: center;
    padding: 14px 8px;
    background: #f9fafb;
    border-radius: 8px;
    border: 1px solid #f3f4f6;
}

.result-value {
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 4px;
}

.result-value.large {
    font-size: 26px;
}

.result-value.highlight {
    color: #8b5cf6;
}

.result-label {
    font-size: 12px;
    color: #9ca3af;
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
    .date-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .date-row-label {
        min-width: auto;
    }

    .datetime-picker {
        flex-wrap: wrap;
        gap: 6px;
    }

    .picker-input {
        width: 50px;
        font-size: 13px;
    }

    .btn-minus, .btn-plus {
        width: 26px;
        height: 26px;
        font-size: 13px;
    }

    .result-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .result-value.large {
        font-size: 22px;
    }
}