/* 计算器15（无筋扩展条形基础设计 - 自动荷载估算与地震验算）专属样式 — 由 jsq/calculator15.php 内联 <style> 收敛而来
   页面级作用域，不污染全局。如需去重公共组件，见 _audit_reports 技术债 #260。 */

/* ===== 统一风格（参照 calculator1） ===== */
    :root {
        --primary-light: #e6f0ff;
        --primary: #2c80ff;
        --primary-dark: #1a5fcc;
        --block-bg: #f8fafc;
        --border-light: #eaf2ff;
        --text-secondary: #64748b;
    }

    .block-header {
        background: var(--primary-light);
        padding: 10px 16px;
        border-bottom: 2px solid var(--primary);
        font-weight: 600;
        font-size: 1rem;
        color: var(--primary-dark);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .block-header i { font-size: 1.1rem; }

    .block-content { padding: 14px 16px; }

    .input-item label {
        font-weight: 600; font-size: 0.88rem;
        color: var(--text-secondary);
        display: flex; align-items: center; gap: 4px;
    }

    .input-item .unit { color: var(--gray-400); font-weight: normal; font-size: 0.8rem; margin-left: 4px; }

    .input-item input, .input-item select {
        padding: 9px 11px; border: 1px solid var(--primary-light);
        border-radius: 0; font-size: 0.95rem; background: white; transition: 0.2s;
    }

    /* 输入提示文字 */
    .input-item .hint-text {
        font-size: 0.78rem;
        color: var(--gray-400);
        margin-top: 2px;
    }

    /* ===== calc15 v11.0 隐藏荷载区块 ===== */
    .calc-block.load-block { display: none; }

    /* ===== calc15 输入区图示隐藏 ===== */
    .input-section .diagram-box { display: none; }

    /* ===== calc15 输入区参数两列自适应（2026-08-13）=====
       原左栏每个参数为独立整行，垂直过长。改为：每个 param-table 内部把
       label+input 渲染成"参数卡片"，按 auto-fit 自适应两列排列，左栏高度减半。
       仅作用于 calc15 输入区，不影响结果区与其它计算器。 */
    .input-section .param-table,
    .input-section .param-table tbody {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 10px 14px;
        border: none;
        width: 100%;
    }
    .input-section .param-table tbody { display: contents; }
    .input-section .param-table tr {
        display: grid;
        grid-template-columns: minmax(96px, 40%) 1fr;
        gap: 4px 10px;
        align-items: center;
        padding: 7px 10px;
        border: 1px solid var(--calc-line, var(--gray-200));
        background: var(--white);
        box-sizing: border-box;
    }
    .input-section .param-table td {
        display: block;
        border: none;
        padding: 0;
        max-width: none;
        overflow-wrap: normal;
        word-break: normal;
        font-size: var(--calc-fs-cell);
        vertical-align: middle;
    }
    .input-section .param-table td:first-child {
        color: var(--gray-700, var(--gray-700));
        font-weight: 600;
        font-size: var(--calc-fs-label);
        line-height: 1.3;
    }
    .input-section .param-table input,
    .input-section .param-table select { width: 100%; }

    /* ===== calc15 特有样式 ===== */
    .diagram-box {
        background: var(--gray-050);
        border: 1px solid var(--primary-light);
        border-radius: 0;
        padding: 12px;
        margin-bottom: 14px;
        text-align: center;
    }

    .load-result-box {
        background: var(--success-50);
        border: 2px solid var(--success);
        border-radius: 0;
        padding: 16px 18px;
        margin-top: 12px;
    }

    .load-result-box .load-item {
        display: inline-flex;
        align-items: baseline;
        gap: 6px;
        margin-right: 24px;
        margin-bottom: 8px;
    }

    .load-result-box .load-label {
        font-size: 0.9rem;
        font-weight: 500;
    }

    .load-result-box .load-value {
        font-size: 1.4rem;
        font-weight: 700;
    }

    .load-result-box .load-unit {
        font-size: 0.85rem;
        font-weight: normal;
    }

    .info-box {
        background: var(--primary-light);
        border: 1px dashed var(--primary-light);
        border-radius: 0;
        padding: 10px 14px;
        margin: 10px 0;
        font-size: 0.9rem;
        color: var(--primary-dark);
    }

    /* ===== 按钮区 ===== */
    .action-buttons {
        display: flex; flex-wrap: wrap; gap: 12px;
        margin-top: 18px; justify-content: flex-start;
    }

    .btn {
        padding: 11px 30px; border: none; 
        font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: 0.2s;
        display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    }

    .btn-primary { background: var(--primary); color: white; border: none; }

    .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 12px rgba(44,128,255,0.2); }

    /* ===== 结果区（参考calc2优化字体大小）===== */
    .result-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .result-card {
        padding: 12px;
        border-radius: 0;
        border: 1px solid var(--primary-light);
        background: var(--primary-light);
    }

    .result-card.pass { border-color: var(--success-50); background: var(--success-50); }

    .result-card.fail { border-color: var(--danger-50); background: var(--danger-50); }

    .result-card .label { color: var(--gray-500); font-size: 0.82rem; margin-bottom: 4px; font-weight: 500; }

    .result-card .value { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); line-height: 1.2; }

    .result-card .value.green { color: var(--success); }

    .result-card .value.red { color: var(--danger); }

    .result-card .unit { font-size: 0.78rem; color: var(--gray-400); margin-left: 4px; }

    .result-note {
        margin-top: 12px;
        background: var(--warning-50);
        border-left: 4px solid #f59e0b;
        padding: 10px 14px;
        border-radius: 0;
        font-size: 0.88rem;
        color: #b45309;
    }

    .result-note ul { margin: 8px 0 0 0; padding-left: 20px; }

    .result-note ul li { margin-bottom: 4px; }

    /* ===== Toast ===== */
    #loadingOverlay {
        display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
        background: rgba(0,0,0,0.55); z-index: 10000;
        justify-content: center; align-items: center;
        color: white; font-size: 1.6rem; backdrop-filter: blur(3px);
    }

    /* ===== 左右分栏布局 ===== */
    /* 双栏骨架已由 calc-common.css 统一为 grid，此处不再限制 max-width/flex，
       避免 grid item 被 max-width:50% 压成列宽的一半。 */
    .result-section {
        background: var(--gray-050);
        border-radius: 0;
        border: 1px solid var(--primary-light);
        padding: 14px;
        margin-top: 0;
        position: sticky;
        top: 20px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }

    .section-title {
        font-size: 1rem;
        font-weight: 700;
        color: var(--gray-900);
        margin: 0 0 12px 0;
        padding-bottom: 8px;
        border-bottom: 2px solid var(--primary-light);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    @media (max-width: 900px) {
        .calculator-wrapper { flex-direction: column; }
        .input-section, .result-section { flex: none; max-width: 100%; width: 100%; }
        .result-section { position: static; margin-top: 20px; }
    }

    @media (max-width: 768px) {
        .calculator-wrapper { grid-template-columns: 1fr !important; }
        .form-row.three { grid-template-columns: 1fr; }
        .action-buttons { flex-direction: column; }
        .btn { width: 100%; }
        .result-grid { grid-template-columns: 1fr; }
    }