.coilcalc-container{--cc-primary:#673AB7;--cc-primary-dark:#5e35b1;--cc-bg:#ffffff;--cc-surface:#f7f7fb;--cc-surface-2:#eceef4;--cc-border:#e3e5ec;--cc-text:#1f2230;--cc-text-muted:#5c6070;--cc-safe:#2e7d32;--cc-warning:#ef6c00;--cc-danger:#c62828;--cc-radius:10px;--cc-shadow:0 2px 10px rgba(0, 0, 0, 0.06)}.coilcalc-container{max-width:820px;margin:0 auto;padding:24px;background-color:var(--cc-bg);border-radius:var(--cc-radius);box-shadow:var(--cc-shadow);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;color:var(--cc-text);line-height:1.4}.coilcalc-title{color:var(--cc-primary);font-size:24px;margin:0 0 20px;text-align:center;padding-bottom:12px;border-bottom:2px solid var(--cc-primary)}.coilcalc-section-title{font-size:14px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--cc-text-muted);margin:16px 0 12px}.coilcalc-form-row{margin-bottom:18px;padding:14px;background:var(--cc-surface);border-radius:8px}.coilcalc-form-row>label{display:flex;justify-content:space-between;align-items:center;font-weight:600;color:var(--cc-text);margin-bottom:10px;font-size:14px}.coilcalc-value{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-weight:700;color:var(--cc-primary);background:var(--cc-surface-2);padding:2px 8px;border-radius:6px;font-size:13px}.coilcalc-hint{font-size:12px;color:var(--cc-text-muted);margin-top:6px}.coilcalc-input-group{display:flex;align-items:center}.coilcalc-select{width:100%;padding:10px 12px;border:1px solid var(--cc-border);border-radius:8px;font-size:15px;background:#fff;color:var(--cc-text);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23673AB7' d='M6 9 1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.coilcalc-select:focus{outline:none;border-color:var(--cc-primary);box-shadow:0 0 0 3px rgb(103 58 183 / .15)}.coilcalc-slider{flex:1;height:6px;background:var(--cc-surface-2);border-radius:4px;border:none;margin:14px 4px}.ui-slider.coilcalc-slider .ui-slider-handle{background:#fff;border:2px solid var(--cc-primary);border-radius:50%;width:20px;height:20px;top:-8px;cursor:pointer;box-shadow:0 1px 3px rgb(0 0 0 / .2);transition:transform 0.15s}.ui-slider.coilcalc-slider .ui-slider-handle:hover,.ui-slider.coilcalc-slider .ui-slider-handle:focus{transform:scale(1.12);outline:none}.ui-slider.coilcalc-slider .ui-slider-range{background:var(--cc-primary);border-radius:4px}.coilcalc-segmented{display:flex;background:var(--cc-surface-2);padding:4px;border-radius:10px;gap:4px}.coilcalc-segment{flex:1;padding:9px 10px;border:none;background:#fff0;border-radius:7px;font-size:14px;font-weight:600;color:var(--cc-text-muted);cursor:pointer;transition:all 0.15s}.coilcalc-segment:hover{color:var(--cc-text)}.coilcalc-segment.is-active{background:#fff;color:var(--cc-primary);box-shadow:0 1px 3px rgb(0 0 0 / .1)}.coilcalc-toggle-label{display:flex!important;justify-content:space-between;align-items:center;cursor:pointer;user-select:none}.coilcalc-toggle-label input[type="checkbox"]{display:none}.coilcalc-toggle{width:44px;height:26px;background:#ccc;border-radius:13px;position:relative;transition:background 0.2s;flex-shrink:0}.coilcalc-toggle::before{content:"";position:absolute;top:2px;left:2px;width:22px;height:22px;background:#fff;border-radius:50%;box-shadow:0 1px 3px rgb(0 0 0 / .2);transition:transform 0.2s}.coilcalc-toggle-label input:checked~.coilcalc-toggle{background:var(--cc-primary)}.coilcalc-toggle-label input:checked~.coilcalc-toggle::before{transform:translateX(18px)}.coilcalc-voltage-wrap{margin-top:10px}.coilcalc-value-row{text-align:right;margin-bottom:4px}.coilcalc-results{margin-top:24px;padding:20px;background:var(--cc-surface);border-radius:var(--cc-radius);border-left:4px solid var(--cc-primary);animation:cc-fadeIn 0.35s ease-out}.coilcalc-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.coilcalc-result-item{background:#fff;padding:14px 16px;border-radius:8px;box-shadow:0 1px 3px rgb(0 0 0 / .06)}.coilcalc-result-label{font-size:12px;font-weight:600;color:var(--cc-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.coilcalc-result-value{font-size:22px;color:var(--cc-primary);font-weight:700;font-variant-numeric:tabular-nums}.coilcalc-safety{display:inline-block;margin-top:6px;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:2px 8px;border-radius:10px}.coilcalc-safety.is-safe{background:#e8f5e9;color:var(--cc-safe)}.coilcalc-safety.is-warning{background:#fff3e0;color:var(--cc-warning)}.coilcalc-safety.is-dangerous{background:#ffebee;color:var(--cc-danger)}.coilcalc-formulas{margin-top:20px;padding:14px 16px;background:var(--cc-surface);border-radius:8px;font-size:14px}.coilcalc-formulas summary{cursor:pointer;font-weight:600;color:var(--cc-primary);padding:2px 0}.coilcalc-formulas summary::-webkit-details-marker{color:var(--cc-primary)}.coilcalc-formulas-body h4{margin:14px 0 6px;color:var(--cc-text);font-size:14px}.coilcalc-formulas-body pre{background:#fff;padding:10px 14px;border-radius:6px;font-size:13px;margin:0 0 6px;overflow-x:auto;border:1px solid var(--cc-border)}.coilcalc-vars{font-size:12px;color:var(--cc-text-muted);margin-top:10px}.coilcalc-error{margin-top:16px;padding:12px 14px;background:#ffebee;border-left:4px solid var(--cc-danger);color:var(--cc-danger);border-radius:4px;font-size:14px}.coilcalc-disclaimer{margin-top:20px;padding:12px 14px;background:#fff8e1;border-left:3px solid #f9a825;color:#5d4037;font-size:13px;border-radius:4px}@media (max-width:640px){.coilcalc-container{padding:16px}.coilcalc-result-value{font-size:20px}.coilcalc-segment{padding:8px 4px;font-size:13px}.coilcalc-results-grid{grid-template-columns:1fr 1fr}}@media (max-width:420px){.coilcalc-results-grid{grid-template-columns:1fr}}@keyframes cc-fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}