.cportal-widget{width:100%}.cportal-widget__loading{padding:48px 24px;text-align:center;color:var(--cportal-muted);font-size:calc(1.05rem * var(--cportal-number-scale))}.cportal-calc{background:var(--cportal-card);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius);box-shadow:var(--cportal-shadow);overflow:hidden}.cportal-calc__top{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--cportal-border);background:var(--cportal-background)}.cportal-calc__mode-toggle{display:inline-flex;border:2px solid var(--cportal-border);border-radius:999px;overflow:hidden;background:var(--cportal-card)}.cportal-calc__mode-btn{border:none;background:0 0;color:var(--cportal-muted);font-size:calc(0.85rem * var(--cportal-number-scale)) !important;font-weight:700;padding:6px 14px;cursor:pointer}.cportal-calc__mode-btn[aria-pressed=true]{background:var(--cportal-primary);color:var(--cportal-on-accent)}.cportal-calc__history-toggle{border:none;background:0 0;color:var(--cportal-primary);font-size:calc(0.95rem * var(--cportal-number-scale)) !important;font-weight:600;cursor:pointer}.cportal-calc__history{max-height:0;overflow:hidden;transition:max-height .2s ease;background:var(--cportal-background);border-bottom:1px solid var(--cportal-border)}.cportal-calc__history.is-open{max-height:240px;overflow-y:auto}.cportal-calc__history-list{list-style:none;margin:0;padding:8px 20px}.cportal-calc__history-item{width:100%;text-align:right;background:0 0;border:none;border-bottom:1px dashed var(--cportal-border);padding:10px 6px;cursor:pointer;color:var(--cportal-muted);font-family:var(--cportal-font-mono) !important;font-size:calc(0.95rem * var(--cportal-number-scale)) !important}.cportal-calc__history-item:hover{color:var(--cportal-primary)}.cportal-calc__history-empty{padding:20px;text-align:center;color:var(--cportal-muted);font-size:calc(0.95rem * var(--cportal-number-scale))}.cportal-calc__history-clear{display:block;width:calc(100% - 40px);margin:4px 20px 12px;background:0 0;border:2px solid var(--cportal-border);border-radius:var(--cportal-radius-sm);padding:8px;color:var(--cportal-muted);cursor:pointer;font-size:calc(0.85rem * var(--cportal-number-scale)) !important}.cportal-calc__display{padding:30px 28px 22px;text-align:right;min-height:108px;background-color:var(--cportal-primary)}.cportal-calc__expression{font-family:var(--cportal-font-mono);color:var(--cportal-on-accent);opacity:.75;font-size:calc(1.25rem * var(--cportal-number-scale));min-height:1.4em;word-break:break-all}.cportal-calc__result{font-family:var(--cportal-font-mono);font-size:calc(4.2rem * var(--cportal-number-scale));font-weight:700;color:var(--cportal-on-accent);min-height:1.2em;transition:opacity .1s ease}.cportal-calc__result.is-updated{animation:cportal-pop .18s ease}@keyframes cportal-pop{0%{opacity:.4;transform:translateY(2px)}100%{opacity:1;transform:translateY(0)}}.cportal-calc__error{padding:10px 28px 14px;color:var(--cportal-on-accent);background:var(--cportal-error);font-size:calc(1rem * var(--cportal-number-scale));text-align:right;min-height:1.2em}.cportal-calc__error:empty{background:0 0;padding:0 28px}.cportal-calc__memory{display:flex;gap:8px;padding:14px 20px}.cportal-calc__memory .cportal-key{flex:1;font-size:calc(0.95rem * var(--cportal-number-scale));padding:10px 4px;min-height:44px}.cportal-calc__keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;background:var(--cportal-card);padding:16px}.cportal-calc__keypad--scientific{grid-template-columns:repeat(5,1fr)}.cportal-key{appearance:none;-webkit-tap-highlight-color:transparent;border:2px solid var(--cportal-border);border-radius:var(--cportal-radius-sm);background:var(--cportal-card);color:var(--cportal-text);font-size:calc(28px * var(--cportal-number-scale)) !important;font-family:var(--cportal-font-mono) !important;padding:18px 0;cursor:pointer;min-height:76px;transition:background .1s ease,border-color .1s ease,transform .05s ease}.cportal-key--small-label{font-size:calc(21px * var(--cportal-number-scale)) !important;font-family:var(--cportal-font) !important}.cportal-key:hover,.cportal-key:focus-visible{border-color:var(--cportal-primary);outline:none}.cportal-key:active{background:var(--cportal-background);background:color-mix(in srgb,var(--cportal-primary) 12%,var(--cportal-card));border-color:var(--cportal-primary);transform:scale(.97)}.cportal-key--op{color:var(--cportal-primary);font-weight:700}.cportal-key--fn{font-size:calc(21px * var(--cportal-number-scale)) !important;color:var(--cportal-secondary);font-family:var(--cportal-font) !important}.cportal-key--muted{color:var(--cportal-muted)}.cportal-key--equals{background:var(--cportal-primary);border-color:var(--cportal-primary);color:var(--cportal-on-accent);font-weight:700}.cportal-key--equals:hover,.cportal-key--equals:focus-visible{background:var(--cportal-primary-dark);border-color:var(--cportal-primary-dark)}.cportal-key--equals:active{background:var(--cportal-primary-dark);border-color:var(--cportal-primary-dark)}.cportal-key--wide{grid-column:span 2}.cportal-calc__advanced-toggle{width:100%;border:none;background:var(--cportal-background);color:var(--cportal-primary);font-weight:600;font-size:calc(0.95rem * var(--cportal-number-scale)) !important;padding:14px;cursor:pointer;border-top:1px solid var(--cportal-border)}.cportal-calc__advanced-rows{display:contents}.cportal-calc__advanced-rows[hidden]{display:none}.cportal-pythagoras{padding:20px 24px;border-top:1px solid var(--cportal-border);background:var(--cportal-background)}.cportal-pythagoras__title{font-weight:700;margin-bottom:12px;font-size:calc(1.05rem * var(--cportal-number-scale))}.cportal-pythagoras__row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.cportal-pythagoras__field{display:flex;flex-direction:column;gap:4px;font-size:calc(0.9rem * var(--cportal-number-scale));color:var(--cportal-muted)}.cportal-pythagoras__field input{width:100px}.cportal-field{display:flex;flex-direction:column;gap:8px;font-size:calc(0.95rem * var(--cportal-number-scale));color:var(--cportal-muted)}.cportal-field input[type=text],.cportal-field input[type=number]{font-family:var(--cportal-font-mono);font-size:calc(1.15rem * var(--cportal-number-scale));padding:14px 16px;border:2px solid var(--cportal-border);border-radius:var(--cportal-radius-sm);background:var(--cportal-background);color:var(--cportal-text);width:100%}.cportal-field input:focus-visible{outline:2px solid var(--cportal-primary);outline-offset:1px}.cportal-btn{appearance:none;border:none;border-radius:var(--cportal-radius-sm);background:var(--cportal-primary);color:var(--cportal-on-accent);font-weight:600;font-size:calc(1.05rem * var(--cportal-number-scale)) !important;padding:16px 26px;cursor:pointer;min-height:54px}.cportal-btn:hover,.cportal-btn:focus-visible{background:var(--cportal-primary-dark);outline:none}.cportal-btn--ghost{background:0 0;border:2px solid var(--cportal-border);color:var(--cportal-text)}.cportal-result-box{background:var(--cportal-background);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius-sm);padding:20px;margin-top:16px}.cportal-result-box__label{font-size:calc(0.85rem * var(--cportal-number-scale));text-transform:uppercase;letter-spacing:.04em;color:var(--cportal-muted)}.cportal-result-box__value{font-family:var(--cportal-font-mono);font-size:calc(2.1rem * var(--cportal-number-scale));color:var(--cportal-result);font-weight:700}.cportal-result-box__sub{font-family:var(--cportal-font-mono);color:var(--cportal-muted);font-size:calc(1.02rem * var(--cportal-number-scale));margin-top:4px}.cportal-fraction{background:var(--cportal-card);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius);box-shadow:var(--cportal-shadow);padding:28px}.cportal-fraction__row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:center}.cportal-fraction__group{display:flex;flex-direction:column;align-items:center;gap:8px}.cportal-fraction__group input{width:80px;text-align:center;font-family:var(--cportal-font-mono);font-size:calc(1.3rem * var(--cportal-number-scale));padding:10px;border:2px solid var(--cportal-border);border-radius:var(--cportal-radius-sm);background:var(--cportal-background);color:var(--cportal-text)}.cportal-fraction__bar{width:70px;height:2px;background:var(--cportal-text);margin:4px 0}.cportal-fraction__operator select{font-size:calc(1.6rem * var(--cportal-number-scale));padding:10px 14px;border-radius:var(--cportal-radius-sm);border:2px solid var(--cportal-border);background:var(--cportal-card);color:var(--cportal-primary);font-weight:700}.cportal-fraction__actions{text-align:center;margin-top:22px}.cportal-percentage{background:var(--cportal-card);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius);box-shadow:var(--cportal-shadow);padding:28px}.cportal-percentage__tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}.cportal-percentage__tab{border:2px solid var(--cportal-border);background:var(--cportal-background);color:var(--cportal-muted);border-radius:999px;padding:10px 18px;font-size:calc(0.92rem * var(--cportal-number-scale)) !important;cursor:pointer}.cportal-percentage__tab[aria-pressed=true]{background:var(--cportal-primary);border-color:var(--cportal-primary);color:var(--cportal-on-accent)}.cportal-percentage__form{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end}.cportal-percentage__form .cportal-field{flex:1;min-width:140px}.cportal-percentage__explain{font-size:calc(0.98rem * var(--cportal-number-scale));color:var(--cportal-muted);margin:0 0 16px}.cportal-pi{background:var(--cportal-card);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius);box-shadow:var(--cportal-shadow);padding:28px}.cportal-pi__tabs{display:flex;gap:10px;margin-bottom:20px}.cportal-pi__tab{flex:1;border:2px solid var(--cportal-border);background:var(--cportal-background);color:var(--cportal-muted);border-radius:var(--cportal-radius-sm);padding:12px;font-size:calc(1rem * var(--cportal-number-scale)) !important;font-weight:600;cursor:pointer}.cportal-pi__tab[aria-pressed=true]{background:var(--cportal-primary);border-color:var(--cportal-primary);color:var(--cportal-on-accent)}.cportal-pi__results{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}.cportal-equation{background:var(--cportal-card);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius);box-shadow:var(--cportal-shadow);padding:28px}.cportal-equation__row{display:flex;gap:12px;align-items:flex-end}.cportal-equation__row .cportal-field{flex:1}.cportal-equation__hint{margin-top:14px;font-size:calc(0.92rem * var(--cportal-number-scale));color:var(--cportal-muted)}.cportal-graph{background:var(--cportal-card);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius);box-shadow:var(--cportal-shadow);padding:26px}.cportal-graph__controls{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap;align-items:flex-end}.cportal-graph__controls .cportal-field{flex:1;min-width:160px}.cportal-graph__zoom{display:flex;gap:8px}.cportal-graph__canvas-wrap{position:relative;width:100%;aspect-ratio:4/3;background:var(--cportal-background);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius-sm);overflow:hidden;touch-action:none}.cportal-graph__canvas{width:100%;height:100%;display:block;cursor:grab}.cportal-graph__canvas:active{cursor:grabbing}.cportal-bmi{background:var(--cportal-card);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius);box-shadow:var(--cportal-shadow);padding:28px}.cportal-bmi__row{display:flex;gap:16px;flex-wrap:wrap}.cportal-bmi__row .cportal-field{flex:1;min-width:140px}.cportal-bmi__disclaimer{margin:16px 0 0;font-size:calc(0.9rem * var(--cportal-text-scale));color:var(--cportal-muted);line-height:1.5}.cportal-panel{background:var(--cportal-card);border:2px solid var(--cportal-border);border-radius:var(--cportal-radius);box-shadow:var(--cportal-shadow);padding:28px}.cportal-panel__row{display:flex;gap:16px;flex-wrap:wrap}.cportal-panel__row .cportal-field{flex:1;min-width:140px}.cportal-panel__disclaimer{margin:16px 0 0;font-size:calc(0.9rem * var(--cportal-text-scale));color:var(--cportal-muted);line-height:1.5}.cportal-panel__results{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px, 1fr));gap:14px;margin-top:16px}.cportal-field select{appearance:auto;font-family:var(--cportal-font) !important;font-size:calc(1.05rem * var(--cportal-number-scale)) !important;padding:14px 16px;border:1px solid var(--cportal-border);border-radius:var(--cportal-radius-sm);background:var(--cportal-background);color:var(--cportal-text);width:100%}