.lshape-calculator-page .cs .cs-inner>p,.lshape-calculator-page .cs .cs-inner>ol,.lshape-calculator-page .cs .cs-inner>ul{font-size:.93rem;line-height:1.8;color:var(--text-secondary);margin-bottom:.85rem}.lshape-calculator-page .cs .cs-inner li{font-size:.93rem;line-height:1.8;color:var(--text-secondary);margin-bottom:.5rem}.lshape-calculator-page .cs .cs-inner a{color:var(--primary-500, #3b82f6);text-decoration:underline;text-underline-offset:3px}.lshape-calculator-page .cs-lead{font-size:1.02rem;line-height:1.82;max-width:760px;margin-bottom:1.5rem}.lshape-calculator-page .cs .cs-inner h3:not(.faq-q h3){font-size:1.1rem;font-weight:700;margin:1.5rem 0 .75rem;color:var(--text-primary)}.lshape-calculator-page .cs .cs-inner table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.88rem}.lshape-calculator-page .cs .cs-inner th,.lshape-calculator-page .cs .cs-inner td{padding:.65rem .85rem;text-align:left;border-bottom:1px solid var(--border-color, #e2e8f0)}.lshape-calculator-page .cs .cs-inner th{font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-tertiary);background:var(--bg-tertiary, #f8fafc)}.lshape-calculator-page .cs .cs-inner td{color:var(--text-secondary)}.lshape-calculator-page .validation-area{display:flex;flex-direction:column;gap:6px}.lshape-calculator-page .validation-msg{display:flex;align-items:flex-start;gap:6px;padding:8px 12px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:500;line-height:1.45}.lshape-calculator-page .validation-msg a{color:inherit;text-decoration:underline;font-weight:700}.lshape-calculator-page .validation-error{background:#fceeee;border:1px solid hsl(0,50%,82%);color:#862d2d}.lshape-calculator-page .validation-warning{background:#fcf7e8;border:1px solid hsl(45,60%,82%);color:#7d5f36}.lshape-calculator-page .validation-info,.lshape-calculator-page .validation-note{background:#f0f5fa;border:1px solid hsl(210,40%,88%);color:#4b6b8b}[data-theme=dark] .lshape-calculator-page .validation-error{background:#2e1919;border-color:#462a2a;color:#c98282}[data-theme=dark] .lshape-calculator-page .validation-warning{background:#2e2919;border-color:#463f2a;color:#bcb18f}[data-theme=dark] .lshape-calculator-page .validation-info,[data-theme=dark] .lshape-calculator-page .validation-note{background:#19242e;border-color:#2a3846;color:#8fa6bc}.lshape-calculator-page .hero{background:var(--bg-hero);padding:var(--space-3xl) var(--space-md) var(--space-2xl);text-align:center;position:relative;overflow:hidden;width:100vw;margin-left:calc(-50vw + 50%)}.lshape-calculator-page .hero:after{content:"";position:absolute;bottom:0;left:0;right:0;height:80px;background:linear-gradient(to top,var(--bg-primary),transparent);pointer-events:none}.lshape-calculator-page .hero-content-wrap{position:relative;z-index:1;max-width:720px;margin:0 auto}.lshape-calculator-page .hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:#fff;margin-bottom:var(--space-sm);letter-spacing:-.03em}.lshape-calculator-page .hero p{font-size:clamp(1rem,2vw,1.15rem);color:#ffffffdb;max-width:640px;margin:0 auto}.lshape-calculator-page .hero-tip{display:inline-flex;align-items:center;gap:var(--space-sm);margin-top:var(--space-lg);padding:var(--space-sm) var(--space-md);background:#ffffff1f;backdrop-filter:blur(8px);border-radius:var(--radius-full);color:#ffffffeb;font-size:.85rem;border:1px solid rgba(255,255,255,.15)}.lshape-calculator-page .lshape-diagram{min-height:250px;padding:var(--space-md) var(--space-lg) var(--space-sm)}.lshape-calculator-page .lshape-diagram svg{width:100%;max-width:clamp(300px,84vw,420px);height:auto}.lshape-calculator-page .pool-dimension-label{fill:currentColor;opacity:.7}[data-theme=dark] .lshape-calculator-page .pool-rect-a{fill:#1f262e;stroke:#2e8ab8}[data-theme=dark] .lshape-calculator-page .pool-rect-b{fill:#222e39;stroke:#2e8ab8}.lshape-calculator-page .tooltip-trigger{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;padding:0;border:none;background:none;color:#2563eb;font-size:14px;cursor:pointer;border-radius:50%;vertical-align:middle;margin-left:4px;transition:color .15s ease;line-height:1}.lshape-calculator-page .tooltip-trigger:hover,.lshape-calculator-page .tooltip-trigger:focus{color:#1d4ed8;outline:2px solid #2563EB;outline-offset:1px}.lshape-calculator-page .tooltip-card{position:absolute;z-index:100;max-width:240px;padding:10px 14px;background:#fff;color:#334155;font-size:13px;line-height:1.45;border-radius:8px;box-shadow:0 4px 12px #00000026;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .15s ease,visibility .15s ease}.lshape-calculator-page .tooltip-card.visible{opacity:1;visibility:visible;pointer-events:auto}.lshape-calculator-page .tooltip-card .tooltip-arrow{position:absolute;bottom:-6px;left:20px;width:12px;height:12px;background:#fff;transform:rotate(45deg);box-shadow:2px 2px 4px #0000000f}.lshape-calculator-page .tooltip-card.below .tooltip-arrow{top:-6px;bottom:auto;box-shadow:-2px -2px 4px #0000000f}[data-theme=dark] .lshape-calculator-page .tooltip-card{background:#252b37;color:#c2ccd6;box-shadow:0 4px 12px #0006}[data-theme=dark] .lshape-calculator-page .tooltip-card .tooltip-arrow{background:#252b37}[data-theme=dark] .lshape-calculator-page .tooltip-trigger{color:#3c8cdd}.lshape-calculator-page .lshape-section-group{margin-bottom:var(--space-sm)}.lshape-calculator-page .left-column-stack{display:flex;flex-direction:column;gap:var(--space-md);min-width:0}.lshape-calculator-page .advanced-section{padding:0}.lshape-calculator-page .advanced-section .input-panel{width:100%}.lshape-calculator-page .advanced-input-fields{padding-top:var(--space-md)}.lshape-calculator-page .results-meta{margin-top:var(--space-md);padding-top:var(--space-sm);border-top:1px solid rgba(255,255,255,.15);display:flex;flex-direction:column;gap:4px;text-align:left}.lshape-calculator-page .results-meta-line{font-size:.72rem;font-weight:600;color:#fffc;letter-spacing:.02em;line-height:1.4}.lshape-calculator-page .field{position:relative}.lshape-calculator-page .lshape-derived-info{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.lshape-calculator-page .lshape-derived-chip{display:inline-block;padding:4px 10px;background:var(--bg-secondary, #f8fafc);border-radius:4px;font-size:.75rem;font-weight:600;color:var(--text-muted, #94a3b8);line-height:1.4;font-family:var(--font-family-mono, monospace)}.lshape-calculator-page .lshape-derived-chip-total{color:#156bc1;font-weight:700}[data-theme=dark] .lshape-calculator-page .lshape-derived-chip{background:var(--bg-secondary, #1e293b)}[data-theme=dark] .lshape-calculator-page .lshape-derived-chip-total{color:#5ab2f2}.lshape-calculator-page .lshape-advanced-note{margin-top:var(--space-sm);padding:8px 12px;background:#f0f5fa;border:1px solid hsl(210,40%,88%);border-radius:var(--radius-sm);font-size:.78rem;font-weight:500;color:#4b6b8b;line-height:1.5}[data-theme=dark] .lshape-calculator-page .lshape-advanced-note{background:#19242e;border-color:#2a3846;color:#8fa6bc}@media(max-width:640px){.lshape-calculator-page .lshape-diagram{min-height:210px;padding:var(--space-sm) var(--space-md)}.lshape-calculator-page .lshape-diagram svg{max-width:360px}.lshape-calculator-page .lshape-derived-info{flex-direction:column}}