.exp-tool{--exp-ink:#19283c;--exp-border:#dce3ed;--exp-blue:#285bc7;--exp-soft:#f0f5fe;color:var(--exp-ink);font-size:14px;max-width:100%;min-width:0}.exp-tool *{box-sizing:border-box}.exp-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}.exp-tab{border:1px solid var(--exp-border);background:#fff;color:#42516a;border-radius:8px;padding:10px 12px;flex:1 1 auto;font-weight:600;white-space:nowrap;transition:background .15s,border-color .15s}.exp-tab i{margin-right:6px}.exp-tab.active{background:var(--exp-soft);border-color:var(--exp-blue);color:#214ca2}.exp-tab:hover{border-color:#8da6d4}.exp-panel,.exp-card{border:1px solid var(--exp-border);border-radius:10px;background:#fff;padding:17px;margin-bottom:14px;min-width:0}.exp-section-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;font-weight:700;margin-bottom:14px;font-size:15px}.exp-formula{font-weight:500;color:#4b617f;background:#f5f7fa;padding:5px 10px;border-radius:5px}.exp-tool .form-label{font-size:13px;font-weight:600;margin-bottom:5px}.exp-tool .form-control,.exp-tool .form-select{min-height:42px;border-radius:7px;border-color:#ced8e5;color:#263752}.exp-tool input:focus,.exp-tool select:focus{border-color:#4776ca;box-shadow:0 0 0 2px #e6eefc}.exp-hint{color:#718096;font-size:12px;margin-top:5px}.exp-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.exp-actions{display:flex;gap:10px}.exp-tool .btn-calc{background:#265ec4;border:1px solid #265ec4;color:white;font-weight:700;min-height:44px}.exp-tool .btn-calc:hover,.exp-tool .btn-calc:focus{background:#164caa;color:white}.exp-reset{flex:0 0 52px;min-height:44px}.exp-export-wrap>.btn{width:100%;min-height:41px}.exp-export-wrap .dropdown-menu{width:100%;font-size:13px}.exp-export-wrap .dropdown-item{white-space:normal;padding:9px 13px}.exp-key-result{position:relative;background:#f0f5fe;padding:20px 54px 20px 20px;border-radius:10px;margin:0 0 14px;min-width:0}.exp-overline{font-size:11px;letter-spacing:1px;font-weight:700;color:#496a9d}.exp-result-value{font-size:clamp(23px,4.2vw,36px);font-weight:800;overflow-wrap:anywhere;line-height:1.25;margin:7px 0;color:#142d59}.exp-equation{font-size:13px;color:#415779;overflow-wrap:anywhere}.exp-copy{position:absolute;right:13px;top:13px;border:1px solid #c3d4ed;border-radius:6px;background:#fff;padding:7px 10px;color:#2754a2}.exp-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:14px}.exp-metric{border:1px solid var(--exp-border);border-radius:8px;padding:13px;min-width:0}.exp-metric-label{font-size:12px;color:#708096;margin-bottom:5px}.exp-metric-value{font-size:16px;font-weight:700;overflow-wrap:anywhere}.exp-chart-wrap{height:275px;width:100%;position:relative;touch-action:pan-y}.exp-chart-wrap canvas{width:100%;height:100%;display:block;cursor:crosshair}.exp-tooltip{position:absolute;pointer-events:none;background:#1f334f;color:white;padding:5px 9px;border-radius:5px;font-size:11px;white-space:nowrap;z-index:1}.exp-chart-footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:#718096;font-size:12px;margin-top:8px}.exp-legend{display:flex;align-items:center;gap:5px}.exp-legend i{height:3px;width:18px;background:#285bc7;display:inline-block}.exp-table{font-size:13px;margin-bottom:0}.exp-table th{background:#f5f7fa;font-weight:700;color:#344762}.exp-table td,.exp-table th{padding:9px 10px;vertical-align:middle}.exp-table tr.exp-highlight td{background:#f0f5fe;font-weight:700}.exp-notes p{font-size:13px;line-height:1.7;color:#4a5a6f}.exp-mode-field[hidden]{display:none!important}@media(max-width:575.98px){.exp-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.exp-tab{font-size:12px;padding:10px 6px;white-space:normal}.exp-panel,.exp-card{padding:13px}.exp-actions{display:grid;grid-template-columns:minmax(0,1fr) 52px}.exp-actions .btn-calc{width:100%}.exp-export-wrap{width:100%}.exp-chart-wrap{height:240px}.exp-metrics{grid-template-columns:1fr 1fr}.exp-result-value{font-size:25px}}@media(max-width:340px){.exp-options{grid-template-columns:1fr}.exp-metrics{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.exp-tab{transition:none}}