:root{--kwh-bg: #f8fafc;--kwh-surface: rgba(255, 255, 255, .88);--kwh-surface-hover: rgba(255, 255, 255, .95);--kwh-border: rgba(0, 0, 0, .08);--kwh-text: #0f172a;--kwh-text-muted: #64748b;--kwh-accent: #059669;--kwh-accent-glow: rgba(5, 150, 105, .25);--kwh-bg-grad1: radial-gradient(ellipse 70% 55% at 15% 15%, rgba(30, 64, 175, .06) 0%, transparent 65%);--kwh-bg-grad2: radial-gradient(ellipse 60% 65% at 85% 85%, rgba(16, 185, 129, .06) 0%, transparent 65%);--kwh-shadow: 0 8px 32px rgba(0, 0, 0, .08), 0 2px 8px rgba(0, 0, 0, .04);--kwh-radius: 20px;--kwh-transition: all .25s cubic-bezier(.4, 0, .2, 1);--kwh-focus-ring: 0 0 0 3px rgba(5, 150, 105, .4)}[data-theme=dark],.dark-mode{--kwh-bg: #0b1120;--kwh-surface: rgba(15, 23, 42, .72);--kwh-surface-hover: rgba(20, 30, 50, .85);--kwh-border: rgba(255, 255, 255, .12);--kwh-text: #e2e8f0;--kwh-text-muted: #94a3b8;--kwh-accent: #34d399;--kwh-accent-glow: rgba(52, 211, 153, .35);--kwh-bg-grad1: radial-gradient(ellipse 70% 55% at 15% 15%, rgba(15, 40, 90, .55) 0%, transparent 65%);--kwh-bg-grad2: radial-gradient(ellipse 60% 65% at 85% 85%, rgba(7, 60, 100, .5) 0%, transparent 65%);--kwh-shadow: 0 10px 40px rgba(0, 0, 0, .45), 0 2px 10px rgba(0, 0, 0, .25);--kwh-focus-ring: 0 0 0 3px rgba(52, 211, 153, .35)}.kwh-page-bg{position:relative;padding:32px 12px 48px;background:var(--kwh-bg-grad1),var(--kwh-bg-grad2),linear-gradient(145deg,#f0f4f8,#e6eef5,#e8f5e9);transition:var(--kwh-transition);border-radius:28px;z-index:0}[data-theme=dark] .kwh-page-bg,.dark-mode .kwh-page-bg{background:var(--kwh-bg-grad1),var(--kwh-bg-grad2),linear-gradient(145deg,#0a1122,#0d152a,#0b1814)}.kwh-calculator{max-width:1140px;margin:0 auto;width:100%;box-sizing:border-box;color:var(--kwh-text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.glass{background:var(--kwh-surface);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border:1px solid var(--kwh-border);border-radius:var(--kwh-radius);box-shadow:var(--kwh-shadow);transition:var(--kwh-transition)}.glass:hover{background:var(--kwh-surface-hover);transform:translateY(-2px)}.kwh-header-card{padding:28px 24px 24px;margin-bottom:24px;text-align:center}.kwh-title{font-size:clamp(1.4rem,4.5vw,1.75rem);font-weight:800;margin:0 0 10px;background:linear-gradient(90deg,#0f172a,#059669);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}[data-theme=dark] .kwh-title,.dark-mode .kwh-title{background:linear-gradient(90deg,#e2e8f0,#34d399);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.kwh-lead{color:var(--kwh-text-muted);font-size:clamp(.95rem,3.5vw,1.05rem);margin:0;line-height:1.65;max-width:760px;margin-inline:auto}.kwh-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-bottom:28px}.kwh-card{padding:16px;text-align:center;background:#ffffff0d;border:1px solid var(--kwh-border);border-radius:16px;transition:var(--kwh-transition)}.kwh-card:hover{transform:translateY(-4px);box-shadow:var(--kwh-shadow)}.kwh-card svg{width:100%;height:auto;max-height:130px;display:block;margin:0 auto 10px}.kwh-card small{display:block;color:var(--kwh-text-muted);font-size:clamp(.8rem,3vw,.9rem);line-height:1.5}.kwh-card small b{color:var(--kwh-text);display:block;margin-top:4px}.socket-label{font-size:11px;font-weight:600;fill:var(--kwh-text);text-anchor:middle}.calc-section{padding:24px 20px;margin-bottom:18px}.calc-section h2,.calc-section h3{margin:0 0 18px;font-size:1.15rem;font-weight:700;color:var(--kwh-text)}.kw-display{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.kw-big{font-size:clamp(1.5rem,5vw,2rem);font-weight:800;color:var(--kwh-accent);text-shadow:0 0 18px var(--kwh-accent-glow)}.muted{color:var(--kwh-text-muted);font-size:.85rem}.range-row{display:flex;gap:14px;align-items:center;margin-bottom:22px;flex-wrap:wrap}@media(max-width:520px){.range-row{flex-direction:column;align-items:stretch}.range-row input[type=number]{width:100%!important}}.flex-1{flex:1;min-width:160px}#kw-range{width:100%;height:32px;-webkit-appearance:none;background:transparent;cursor:pointer;margin:0}#kw-range::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:linear-gradient(90deg,#3b82f6,var(--kwh-accent))}#kw-range::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;margin-top:-7px;border:3px solid var(--kwh-accent);box-shadow:0 2px 6px #0003;transition:transform .15s}#kw-range::-webkit-slider-thumb:hover{transform:scale(1.1)}#kw-range:focus-visible{outline:none}#kw-range:focus-visible::-webkit-slider-thumb{box-shadow:var(--kwh-focus-ring)}#kw-number{width:84px;padding:8px 6px;border-radius:24px;border:1px solid var(--kwh-border);background:var(--kwh-surface);color:var(--kwh-text);font-size:.95rem;text-align:center;backdrop-filter:blur(6px);transition:var(--kwh-transition)}#kw-number:focus{outline:none;border-color:var(--kwh-accent);box-shadow:var(--kwh-focus-ring)}.table-wrapper{overflow-x:auto;margin:0 -4px;padding:0 4px}.result-table{width:100%;font-size:.9rem;border-collapse:separate;border-spacing:0;min-width:420px}.result-table th{background:#4c68b7d9!important;color:#fff!important;font-weight:600;padding:12px;text-align:left;white-space:nowrap;border:none!important}.result-table th:first-child{border-radius:12px 0 0}.result-table th:last-child{border-radius:0 12px 0 0}.result-table td{padding:11px 12px!important;border-bottom:1px solid var(--kwh-border)!important;border-top:none!important;border-left:none!important;border-right:none!important;word-break:break-word;color:var(--kwh-text)!important;background:transparent!important}.result-table tr:last-child td{border-bottom:none!important}.result-table tr:hover td{background:#ffffff0a!important}.amp-value{font-weight:700;font-size:.95rem;color:var(--kwh-accent)}.badge-status{padding:4px 10px;border-radius:999px;font-weight:600;font-size:.75rem;display:inline-flex;align-items:center;gap:4px;white-space:nowrap;border:1px solid transparent}.badge-status.suitable{background:#0596691f;color:#059669;border-color:#05966933}.badge-status.required{background:#d977061f;color:#d97706;border-color:#d9770633}.badge-status.exceeded{background:#dc26261f;color:#dc2626;border-color:#dc262633}[data-theme=dark] .badge-status.suitable{color:#34d399;background:#34d3991f}[data-theme=dark] .badge-status.required{color:#fbbf24;background:#fbbf241f}[data-theme=dark] .badge-status.exceeded{color:#f87171;background:#f871711f}.note{margin-top:16px;color:var(--kwh-text-muted);font-size:.8rem;text-align:center;line-height:1.6;padding:8px;background:#ffffff08;border-radius:10px}.calc-input-group{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}.calc-input-group label{font-size:.9rem;color:var(--kwh-text-muted);font-weight:500;min-width:140px}.input-wrap{display:inline-flex;align-items:center;gap:6px}.input-wrap input{width:76px;padding:8px;border-radius:22px;border:1px solid var(--kwh-border);background:var(--kwh-surface);color:var(--kwh-text);font-size:.9rem;text-align:center;backdrop-filter:blur(6px);transition:var(--kwh-transition)}.input-wrap input:focus{outline:none;border-color:var(--kwh-accent);box-shadow:var(--kwh-focus-ring)}.btn-calc{width:30px;height:30px;background:#64748b1a;border:1px solid var(--kwh-border);border-radius:50%;color:var(--kwh-text);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--kwh-transition)}.btn-calc:hover{background:var(--kwh-accent);color:#fff;border-color:var(--kwh-accent)}.btn-calc:active{transform:scale(.95)}.output-display{margin-top:16px;padding:14px;text-align:center;font-size:.95rem;color:var(--kwh-text-muted);line-height:1.7;background:#ffffff0a;border-radius:12px;border:1px solid var(--kwh-border)}.output-display b{font-size:1.25rem;color:var(--kwh-accent);display:block;margin-top:4px}.term-list{list-style:none;padding:0;margin:0;line-height:1.7}.term-list li{margin-bottom:8px;font-size:.9rem;color:var(--kwh-text-muted);padding:10px 14px;background:#ffffff0a;border-radius:10px;border-left:3px solid var(--kwh-accent)}.term-list li b{color:var(--kwh-text)}@media(max-width:640px){.kwh-page-bg{padding:20px 8px 36px}.calc-section{padding:18px 14px}.kwh-title{font-size:1.3rem}.kw-display{flex-direction:column;align-items:flex-start;gap:6px}}@media(max-width:480px){.result-table{font-size:.8rem}.result-table th,.result-table td{padding:9px 8px!important}.calc-input-group{flex-direction:column;align-items:flex-start}.input-wrap{width:100%;justify-content:space-between}}.kwh-faq-card{margin-top:24px;padding:24px;border-radius:var(--kwh-radius);background:var(--kwh-surface);border:1px solid var(--kwh-border);box-shadow:var(--kwh-shadow);transition:var(--kwh-transition)}.kwh-faq-title{font-size:1.25rem;font-weight:700;margin:0 0 18px;display:flex;align-items:center;gap:10px;color:var(--kwh-text)}.kwh-faq-title i{color:var(--kwh-accent)}.kwh-faq-list{display:flex;flex-direction:column;gap:12px}.kwh-faq-item{border:1px solid var(--kwh-border);border-radius:12px;background:#fff6;transition:var(--kwh-transition);overflow:hidden}[data-theme=dark] .kwh-faq-item,.dark-mode .kwh-faq-item{background:#ffffff08}.kwh-faq-item[open]{border-color:var(--kwh-accent);background:#ffffffa6}[data-theme=dark] .kwh-faq-item[open],.dark-mode .kwh-faq-item[open]{background:#ffffff0f}.kwh-faq-question{padding:14px 18px;font-size:.96rem;font-weight:600;cursor:pointer;user-select:none;display:flex;align-items:center;justify-content:space-between;list-style:none;color:var(--kwh-text)}.kwh-faq-question::-webkit-details-marker{display:none}.kwh-faq-question:after{content:"\25bc";font-size:.75rem;color:var(--kwh-text-muted);transition:transform .25s ease}.kwh-faq-item[open] .kwh-faq-question:after{transform:rotate(180deg);color:var(--kwh-accent)}.kwh-faq-answer{padding:0 18px 16px;color:var(--kwh-text-muted);font-size:.92rem;line-height:1.6}.kwh-faq-answer p{margin:0}