:root{--fermat-color-brand-50:#e6fbf7;--fermat-color-brand-100:#b8f2e8;--fermat-color-brand-300:#3dd6c2;--fermat-color-brand-500:#00a99d;--fermat-color-brand-600:#007f76;--fermat-color-brand-700:#00665f;--fermat-color-brand-800:#004f4b;--fermat-color-brand-900:#073b39;--fermat-color-green-50:#effce9;--fermat-color-green-200:#baf09e;--fermat-color-green-400:#66d33f;--fermat-color-green-600:#2f9e23;--fermat-color-green-800:#1d681a;--fermat-color-yellow-400:#ffd633;--fermat-color-orange-500:#f47a1f;--fermat-color-purple-500:#7b4dcc;--fermat-color-neutral-0:#fff;--fermat-color-neutral-50:#f7f9f8;--fermat-color-neutral-100:#edf1ef;--fermat-color-neutral-200:#d8dfdc;--fermat-color-neutral-300:#b8c3bf;--fermat-color-neutral-500:#63716d;--fermat-color-neutral-700:#34423e;--fermat-color-neutral-900:#132522;--fermat-color-info-50:#edf8ff;--fermat-color-info-200:#b9e3fb;--fermat-color-info-700:#146a96;--fermat-color-hint-50:#f4effc;--fermat-color-hint-200:#d9c8f3;--fermat-color-hint-700:#6338a3;--fermat-color-success-50:var(--fermat-color-green-50);--fermat-color-success-200:var(--fermat-color-green-200);--fermat-color-success-700:#23751d;--fermat-color-warning-50:#fff9df;--fermat-color-warning-200:#ffe78a;--fermat-color-warning-700:#785900;--fermat-color-danger-50:#fff0f2;--fermat-color-danger-200:#ffc4cc;--fermat-color-danger-600:#c92f49;--fermat-color-danger-700:#9e2037;--fermat-color-danger-800:#79192c;--fermat-radius-sm:.125rem;--fermat-radius-md:.25rem;--fermat-focus-outline:3px solid var(--fermat-color-brand-300);--fermat-font-sans:"Outfit Variable", Outfit, ui-sans-serif, system-ui, sans-serif;--fermat-font-math:"CMU Serif", "KaTeX_Main", "Computer Modern Serif", "Latin Modern Roman", serif;--fermat-font-mono:"Space Mono", ui-monospace, monospace}.fermat-button{--fermat-button-height:2.75rem;--fermat-button-background:var(--fermat-color-brand-600);--fermat-button-border:var(--fermat-color-brand-700);--fermat-button-edge:var(--fermat-color-brand-800);--fermat-button-hover:var(--fermat-color-brand-700);height:var(--fermat-button-height);box-sizing:border-box;border:1px solid var(--fermat-button-border);border-bottom:4px solid var(--fermat-button-edge);border-radius:var(--fermat-radius-md);font-family:var(--fermat-font-sans);white-space:nowrap;cursor:pointer;background:var(--fermat-button-background);color:#fff;justify-content:center;align-items:center;gap:.5rem;font-weight:650;line-height:1;transition:background-color .12s,border-color 70ms;display:inline-flex}.fermat-button:hover:not(:disabled){background:var(--fermat-button-hover)}.fermat-button:active:not(:disabled){height:calc(var(--fermat-button-height) - 3px);border-bottom-width:1px;margin-top:3px}.fermat-button:focus-visible{outline:var(--fermat-focus-outline);outline-offset:2px}.fermat-button:disabled{cursor:not-allowed;opacity:.55}.fermat-button--primary{color:#fff}.fermat-button--secondary{--fermat-button-background:var(--fermat-color-neutral-100);--fermat-button-border:var(--fermat-color-neutral-300);--fermat-button-edge:var(--fermat-color-neutral-500);--fermat-button-hover:var(--fermat-color-neutral-200);color:var(--fermat-color-neutral-900)}.fermat-button--tertiary{--fermat-button-background:white;--fermat-button-border:var(--fermat-color-brand-500);--fermat-button-edge:var(--fermat-color-brand-700);--fermat-button-hover:var(--fermat-color-brand-50);color:var(--fermat-color-brand-700)}.fermat-button--ghost{--fermat-button-background:transparent;--fermat-button-border:transparent;--fermat-button-edge:var(--fermat-color-neutral-300);--fermat-button-hover:var(--fermat-color-neutral-100);color:var(--fermat-color-neutral-700)}.fermat-button--danger{--fermat-button-background:var(--fermat-color-danger-600);--fermat-button-border:var(--fermat-color-danger-700);--fermat-button-edge:var(--fermat-color-danger-800);--fermat-button-hover:var(--fermat-color-danger-700);color:#fff}.fermat-button--small{--fermat-button-height:2.25rem;padding:.5rem .75rem;font-size:.875rem}.fermat-button--medium{padding:.75rem 1rem;font-size:.9375rem}.fermat-button--large{--fermat-button-height:3.25rem;padding:.875rem 1.25rem;font-size:1rem}.fermat-button--full-width{width:100%}.fermat-button__icon{align-items:center;font-size:1.1em;display:inline-flex}.fermat-animated-icon{width:var(--fermat-icon-size);height:var(--fermat-icon-size);flex:none;justify-content:center;align-items:center;line-height:1;display:inline-flex}.fermat-animated-icon>svg{width:100%;height:100%;display:block;overflow:visible}.fermat-button__spinner{border:2px solid;border-right-color:#0000;border-radius:999px;width:1em;height:1em;animation:.7s linear infinite fermat-spin}@keyframes fermat-spin{to{transform:rotate(360deg)}}.fermat-card{box-sizing:border-box;border:1px solid var(--fermat-color-neutral-300);border-radius:var(--fermat-radius-md);background:var(--fermat-color-neutral-0);color:var(--fermat-color-neutral-900);font-family:var(--fermat-font-sans);padding:1.5rem}.fermat-progress{color:var(--fermat-color-neutral-700);font-family:var(--fermat-font-sans)}.fermat-progress__meta{justify-content:space-between;gap:1rem;margin-bottom:.4rem;font-size:.875rem;font-weight:650;display:flex}.fermat-progress__track{border:1px solid var(--fermat-color-neutral-300);border-radius:var(--fermat-radius-sm);background:var(--fermat-color-neutral-100);height:.625rem;overflow:hidden}.fermat-progress__value{border-right:2px solid var(--fermat-color-brand-800);background:var(--fermat-color-brand-500);height:100%;transition:width .18s}.fermat-tutor-message{border:1px solid var(--fermat-color-brand-300);border-left:4px solid var(--fermat-color-brand-600);border-radius:var(--fermat-radius-md);background:var(--fermat-color-brand-50);color:var(--fermat-color-brand-900);font-family:var(--fermat-font-sans);padding:.8rem 1rem;line-height:1.5}.fermat-tutor-message__speaker{color:var(--fermat-color-brand-700);margin-bottom:.25rem;display:block}@media (prefers-reduced-motion:reduce){.fermat-button{transition:none}.fermat-button__spinner,.fermat-spinner__indicator{animation-duration:1.4s}.fermat-skeleton,.fermat-dialog__overlay,.fermat-dialog,.fermat-dropdown,.fermat-tooltip{animation:none}}.fermat-text{color:var(--fermat-color-neutral-900);font-family:var(--fermat-font-sans);margin:0}.fermat-text--body{font-size:1rem;line-height:1.6}.fermat-text--lead{letter-spacing:-.01em;font-size:1.25rem;line-height:1.55}.fermat-text--label{font-size:.875rem;line-height:1.4}.fermat-text--caption{font-size:.75rem;line-height:1.4}.fermat-text--default,.fermat-math--default{color:var(--fermat-color-neutral-900)}.fermat-text--muted,.fermat-math--muted{color:var(--fermat-color-neutral-500)}.fermat-text--brand,.fermat-math--brand{color:var(--fermat-color-brand-600)}.fermat-text--success{color:var(--fermat-color-success-700)}.fermat-text--danger,.fermat-math--danger{color:var(--fermat-color-danger-700)}.fermat-text--regular{font-weight:400}.fermat-text--medium{font-weight:500}.fermat-text--semibold{font-weight:600}.fermat-text--bold{font-weight:700}.fermat-text--left{text-align:left}.fermat-text--center{text-align:center}.fermat-text--right{text-align:right}.fermat-text--truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.fermat-math{font-family:var(--fermat-font-math);font-size:1em}.fermat-math--small{font-size:.875em}.fermat-math--medium{font-size:1em}.fermat-math--large{font-size:1.5em}.fermat-math--display{padding:.75rem 0;overflow:auto hidden}.fermat-visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fermat-icon-button{--fermat-icon-button-height:2.75rem;--fermat-icon-button-background:transparent;--fermat-icon-button-border:transparent;--fermat-icon-button-edge:var(--fermat-color-neutral-300);--fermat-icon-button-hover:var(--fermat-color-neutral-100);box-sizing:border-box;border:1px solid var(--fermat-icon-button-border);border-bottom:4px solid var(--fermat-icon-button-edge);border-radius:var(--fermat-radius-md);font:inherit;cursor:pointer;background:var(--fermat-icon-button-background);flex:none;justify-content:center;align-items:center;line-height:1;transition:background-color .12s,border-color 70ms;display:inline-flex}.fermat-icon-button:hover:not(:disabled){background:var(--fermat-icon-button-hover)}.fermat-icon-button:active:not(:disabled){height:calc(var(--fermat-icon-button-height) - 3px);border-bottom-width:1px;margin-top:3px}.fermat-icon-button:focus-visible{outline:var(--fermat-focus-outline);outline-offset:2px}.fermat-icon-button:disabled{cursor:not-allowed;opacity:.55}.fermat-icon-button--primary{--fermat-icon-button-background:var(--fermat-color-brand-600);--fermat-icon-button-border:var(--fermat-color-brand-700);--fermat-icon-button-edge:var(--fermat-color-brand-800);--fermat-icon-button-hover:var(--fermat-color-brand-700);color:#fff}.fermat-icon-button--secondary{--fermat-icon-button-background:var(--fermat-color-neutral-100);--fermat-icon-button-border:var(--fermat-color-neutral-300);--fermat-icon-button-edge:var(--fermat-color-neutral-500);--fermat-icon-button-hover:var(--fermat-color-neutral-200);color:var(--fermat-color-neutral-900)}.fermat-icon-button--tertiary{--fermat-icon-button-background:white;--fermat-icon-button-border:var(--fermat-color-brand-500);--fermat-icon-button-edge:var(--fermat-color-brand-700);--fermat-icon-button-hover:var(--fermat-color-brand-50);color:var(--fermat-color-brand-700)}.fermat-icon-button--ghost{color:var(--fermat-color-neutral-700)}.fermat-icon-button--danger{--fermat-icon-button-background:var(--fermat-color-danger-600);--fermat-icon-button-border:var(--fermat-color-danger-700);--fermat-icon-button-edge:var(--fermat-color-danger-800);--fermat-icon-button-hover:var(--fermat-color-danger-700);color:#fff}.fermat-icon-button--small{--fermat-icon-button-height:2.25rem;width:2.25rem;height:var(--fermat-icon-button-height);font-size:.875rem}.fermat-icon-button--medium{width:2.75rem;height:var(--fermat-icon-button-height);font-size:1rem}.fermat-icon-button--large{--fermat-icon-button-height:3.25rem;width:3.25rem;height:var(--fermat-icon-button-height);font-size:1.125rem}.fermat-icon-button__icon{justify-content:center;align-items:center;display:inline-flex}.fermat-badge{border-radius:var(--fermat-radius-sm);width:fit-content;font-family:var(--fermat-font-sans);white-space:nowrap;border:1px solid #0000;align-items:center;font-weight:650;line-height:1;display:inline-flex}.fermat-badge--small{padding:.2rem .45rem;font-size:.6875rem}.fermat-badge--medium{padding:.3rem .6rem;font-size:.75rem}.fermat-badge--neutral{border-color:var(--fermat-color-neutral-200);background:var(--fermat-color-neutral-100);color:var(--fermat-color-neutral-700)}.fermat-badge--brand{border-color:var(--fermat-color-brand-300);background:var(--fermat-color-brand-50);color:var(--fermat-color-brand-700)}.fermat-badge--success{border-color:var(--fermat-color-success-200);background:var(--fermat-color-success-50);color:var(--fermat-color-success-700)}.fermat-badge--warning{border-color:var(--fermat-color-warning-200);background:var(--fermat-color-warning-50);color:var(--fermat-color-warning-700)}.fermat-badge--danger{background:var(--fermat-color-danger-50);color:var(--fermat-color-danger-700);border-color:#fecaca}.fermat-callout{border:1px solid var(--fermat-callout-border);border-radius:var(--fermat-radius-md);background:var(--fermat-callout-background);color:var(--fermat-callout-color);font-family:var(--fermat-font-sans);align-items:flex-start;gap:.75rem;padding:1rem;display:flex}.fermat-callout--info{--fermat-callout-background:var(--fermat-color-info-50);--fermat-callout-border:var(--fermat-color-info-200);--fermat-callout-color:var(--fermat-color-info-700)}.fermat-callout--hint{--fermat-callout-background:var(--fermat-color-hint-50);--fermat-callout-border:var(--fermat-color-hint-200);--fermat-callout-color:var(--fermat-color-hint-700)}.fermat-callout--success{--fermat-callout-background:var(--fermat-color-success-50);--fermat-callout-border:var(--fermat-color-success-200);--fermat-callout-color:var(--fermat-color-success-700)}.fermat-callout--warning{--fermat-callout-background:var(--fermat-color-warning-50);--fermat-callout-border:var(--fermat-color-warning-200);--fermat-callout-color:var(--fermat-color-warning-700)}.fermat-callout--danger{--fermat-callout-background:var(--fermat-color-danger-50);--fermat-callout-border:#fecaca;--fermat-callout-color:var(--fermat-color-danger-700)}.fermat-callout__icon{flex:none;place-items:center;width:1.5rem;height:1.5rem;font-size:1rem;font-weight:800;display:inline-grid}.fermat-callout__content{min-width:0}.fermat-callout__title{margin-bottom:.2rem;font-size:.9375rem;font-weight:700;line-height:1.4}.fermat-callout__body{font-size:.9375rem;line-height:1.55}.fermat-field{width:100%;font-family:var(--fermat-font-sans);gap:.4rem;display:grid}.fermat-field__label{color:var(--fermat-color-neutral-900);font-size:.875rem;font-weight:650;line-height:1.4}.fermat-field__control{box-sizing:border-box;border:1px solid var(--fermat-color-neutral-300);border-radius:var(--fermat-radius-sm);width:100%;min-height:2.75rem;color:var(--fermat-color-neutral-900);font-family:var(--fermat-font-sans);background:#fff;padding:.7rem .8rem;font-size:1rem;line-height:1.4;transition:border-color .14s}.fermat-field__control::placeholder{color:var(--fermat-color-neutral-500)}.fermat-field__control:hover:not(:disabled){border-color:var(--fermat-color-neutral-500)}.fermat-field__control:focus{border-color:var(--fermat-color-brand-600);outline:var(--fermat-focus-outline);outline-offset:1px}.fermat-field__control:disabled{background:var(--fermat-color-neutral-100);cursor:not-allowed;opacity:.7}.fermat-field__control--invalid{border-color:var(--fermat-color-danger-600)}.fermat-field__control--small{min-height:2.25rem;padding:.5rem .7rem;font-size:.875rem}.fermat-field__control--large{min-height:3.25rem;padding:.85rem 1rem}.fermat-field__hint{color:var(--fermat-color-neutral-500);font-size:.8125rem;line-height:1.4}.fermat-field__error{color:var(--fermat-color-danger-700);font-size:.8125rem;font-weight:550;line-height:1.4}.fermat-textarea{min-height:6.5rem}.fermat-textarea--resize-none{resize:none}.fermat-textarea--resize-vertical{resize:vertical}.fermat-textarea--resize-both{resize:both}.fermat-select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--fermat-color-neutral-500) 50%), linear-gradient(135deg, var(--fermat-color-neutral-500) 50%, transparent 50%);background-position:calc(100% - 1rem) calc(50% - 2px),calc(100% - .7rem) calc(50% - 2px);background-repeat:no-repeat;background-size:.35rem .35rem,.35rem .35rem;padding-right:2.5rem}.fermat-check-field{font-family:var(--fermat-font-sans);gap:.35rem;display:grid}.fermat-check-field__label{width:fit-content;color:var(--fermat-color-neutral-900);cursor:pointer;align-items:flex-start;gap:.65rem;display:flex}.fermat-checkbox{width:1.125rem;height:1.125rem;accent-color:var(--fermat-color-brand-600);margin:.12rem 0 0}.fermat-checkbox:focus-visible{outline:var(--fermat-focus-outline);outline-offset:2px}.fermat-checkbox:disabled,.fermat-checkbox:disabled+span{cursor:not-allowed;opacity:.6}.fermat-check-field__title{font-size:.9375rem;font-weight:600;line-height:1.4;display:block}.fermat-check-field__description{color:var(--fermat-color-neutral-500);margin-top:.15rem;font-size:.8125rem;line-height:1.45;display:block}.fermat-check-field__error{margin-left:1.775rem}.fermat-choice-group{min-width:0;font-family:var(--fermat-font-sans);border:0;margin:0;padding:0}.fermat-choice-group__legend{color:var(--fermat-color-neutral-900);margin-bottom:.4rem;padding:0;font-size:1rem;font-weight:700;line-height:1.4}.fermat-choice-group__options{gap:.75rem;margin-top:.75rem;display:grid}.fermat-choice-group__options--2{grid-template-columns:repeat(2,minmax(0,1fr))}.fermat-choice{--fermat-choice-edge:var(--fermat-color-neutral-500);--fermat-choice-height:3.5rem;min-height:var(--fermat-choice-height);box-sizing:border-box;border:1px solid var(--fermat-color-neutral-300);border-bottom:4px solid var(--fermat-choice-edge);border-radius:var(--fermat-radius-md);color:var(--fermat-color-neutral-900);cursor:pointer;background:#fff;align-items:center;gap:.75rem;padding:.75rem;transition:border-color 70ms,background-color .12s;display:flex;position:relative}.fermat-choice:hover:not(.fermat-choice--disabled){border-color:var(--fermat-color-neutral-300);background:var(--fermat-color-neutral-50)}.fermat-choice:active:not(.fermat-choice--disabled){min-height:calc(var(--fermat-choice-height) - 3px);border-bottom-width:1px;margin-top:3px}.fermat-choice:has(.fermat-choice__input:focus-visible){border-color:var(--fermat-color-brand-600);outline:var(--fermat-focus-outline);outline-offset:2px}.fermat-choice--selected{--fermat-choice-edge:var(--fermat-color-brand-800);border-color:var(--fermat-color-brand-600);background:var(--fermat-color-brand-50)}.fermat-choice--disabled{cursor:not-allowed;opacity:.55}.fermat-choice__input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.fermat-choice__marker{border-radius:var(--fermat-radius-sm);background:var(--fermat-color-neutral-100);width:2rem;height:2rem;color:var(--fermat-color-neutral-700);flex:none;place-items:center;font-size:.8125rem;font-weight:750;display:inline-grid}.fermat-choice--selected .fermat-choice__marker{background:var(--fermat-color-brand-600);color:#fff}.fermat-choice__content{min-width:0}.fermat-choice__label{font-size:.9375rem;font-weight:600;line-height:1.4;display:block}.fermat-choice__description{color:var(--fermat-color-neutral-500);margin-top:.15rem;font-size:.8125rem;line-height:1.4;display:block}.fermat-question{border:1px solid var(--fermat-color-neutral-300);border-radius:var(--fermat-radius-md);color:var(--fermat-color-neutral-900);font-family:var(--fermat-font-sans);background:#fff;gap:1.5rem;padding:1.5rem;display:grid}.fermat-question__header{gap:.45rem;display:grid}.fermat-question__eyebrow{color:var(--fermat-color-brand-600);letter-spacing:.09em;text-transform:uppercase;font-size:.75rem;font-weight:750}.fermat-question__prompt{letter-spacing:-.02em;margin:0;font-size:clamp(1.35rem,3vw,1.75rem);line-height:1.25}.fermat-question__description{color:var(--fermat-color-neutral-500);font-size:.9375rem;line-height:1.55}.fermat-question__figure{border-radius:var(--fermat-radius-md);background:var(--fermat-color-neutral-50);place-items:center;min-height:8rem;margin:0;padding:1rem;display:grid;overflow:auto}.fermat-question__answer,.fermat-question__feedback{min-width:0}.fermat-question__actions{flex-wrap:wrap;justify-content:flex-end;gap:.75rem;padding-top:.25rem;display:flex}.fermat-radio-group{min-width:0;font-family:var(--fermat-font-sans);border:0;margin:0;padding:0}.fermat-radio-group__legend{margin-bottom:.4rem;padding:0}.fermat-radio-group__options{gap:.75rem 1.25rem;margin-top:.75rem;display:flex}.fermat-radio-group__options--vertical{flex-direction:column}.fermat-radio-group__options--horizontal{flex-flow:wrap}.fermat-radio{width:fit-content;color:var(--fermat-color-neutral-900);cursor:pointer;align-items:flex-start;gap:.6rem;display:inline-flex}.fermat-radio:has(.fermat-radio__input:disabled){cursor:not-allowed;opacity:.55}.fermat-radio__input{width:1.125rem;height:1.125rem;accent-color:var(--fermat-color-brand-600);flex:none;margin:.12rem 0 0}.fermat-radio__input:focus-visible{outline:var(--fermat-focus-outline);outline-offset:2px}.fermat-radio__label{font-size:.9375rem;font-weight:600;line-height:1.4;display:block}.fermat-radio__description{color:var(--fermat-color-neutral-500);margin-top:.15rem;font-size:.8125rem;line-height:1.4;display:block}.fermat-spinner{color:var(--fermat-color-brand-600);justify-content:center;align-items:center;display:inline-flex}.fermat-spinner__indicator{box-sizing:border-box;border:2px solid;border-right-color:#0000;border-radius:999px;width:100%;height:100%;animation:.7s linear infinite fermat-spin}.fermat-spinner--small{width:1rem;height:1rem}.fermat-spinner--medium{width:1.5rem;height:1.5rem}.fermat-spinner--large{width:2.25rem;height:2.25rem}.fermat-skeleton-group{gap:.5rem;width:100%;display:grid}.fermat-skeleton{background:linear-gradient(90deg, var(--fermat-color-neutral-100) 25%, var(--fermat-color-neutral-200) 50%, var(--fermat-color-neutral-100) 75%);background-size:200% 100%;border-radius:.35rem;max-width:100%;animation:1.4s ease-in-out infinite fermat-skeleton-pulse}.fermat-skeleton--text{width:100%;height:.9rem}.fermat-skeleton--rectangular{border-radius:var(--fermat-radius-md);width:100%;height:8rem}.fermat-skeleton--circular{border-radius:999px;width:2.75rem;height:2.75rem}@keyframes fermat-skeleton-pulse{0%{background-position:100% 0}to{background-position:-100% 0}}.fermat-empty-state{border:1px dashed 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0;outline:0;padding-left:1rem;padding-right:1rem;display:block;position:relative;overflow:auto}.fermat-code-editor__input:focus-visible{box-shadow:inset 0 0 0 2px var(--fermat-color-brand-300)}.fermat-code-editor__input:disabled{cursor:not-allowed;opacity:.55}.fermat-code-lab__preview{border-left:1px solid var(--fermat-color-neutral-200);background:var(--fermat-color-neutral-50);grid-template-rows:auto minmax(0,1fr);min-width:0;display:grid}.fermat-code-lab__preview>header{border-bottom:1px solid var(--fermat-color-neutral-200);align-items:center;min-height:2.75rem;padding:.5rem .75rem;display:flex}.fermat-code-lab__preview>div{place-items:stretch 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var(--fermat-color-neutral-200);background:var(--fermat-color-neutral-0);min-height:8.5rem}.fermat-code-output__toolbar{border-bottom:1px solid var(--fermat-color-neutral-200);background:var(--fermat-color-neutral-50)}.fermat-code-output__content{box-sizing:border-box;min-height:5.5rem;color:var(--fermat-color-neutral-700);font:.8125rem/1.6 var(--fermat-font-mono);white-space:pre-wrap;margin:0;padding:.85rem 1rem;overflow:auto}@media (max-width:48rem){.fermat-code-lab__workspace{grid-template-columns:minmax(0,1fr)}.fermat-code-lab__instructions{border-right:0;border-bottom:1px solid var(--fermat-color-neutral-200)}.fermat-code-lab__workbench--with-preview{grid-template-columns:minmax(0,1fr)}.fermat-code-lab__preview{border-top:1px solid var(--fermat-color-neutral-200);border-left:0}.fermat-code-editor__lines,.fermat-code-editor__input,.fermat-code-turtle{min-height:18rem}}@media (max-width:30rem){.fermat-code-lab__header{align-items:flex-start}.fermat-code-lab__actions{flex-wrap:wrap;justify-content:flex-end}}
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solid var(--fermat-color-neutral-200);background:var(--fermat-color-neutral-50);min-width:0}.fermat-lab-layout__readouts{border-top:1px solid var(--fermat-color-neutral-200);padding:.75rem}.fermat-lab-stage{background:var(--fermat-color-neutral-0);isolation:isolate;min-width:0;min-height:0;position:relative;overflow:hidden}.fermat-lab-stage--grid{background:linear-gradient(var(--fermat-color-neutral-100) 1px, transparent 1px), linear-gradient(90deg, var(--fermat-color-neutral-100) 1px, transparent 1px), var(--fermat-color-neutral-0);background-size:2rem 2rem}.fermat-lab-stage--dark{background:radial-gradient(circle at 50% 35%, color-mix(in srgb, var(--fermat-color-info-700) 28%, transparent), transparent 52%), var(--fermat-color-neutral-900);color:var(--fermat-color-neutral-0)}.fermat-lab-stage__content{place-items:stretch 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h3{color:var(--fermat-color-neutral-700);letter-spacing:.035em;text-transform:uppercase;margin:0;font-size:.75rem;font-weight:750;line-height:1.3}.fermat-lab-panel__content{gap:1rem;padding:1rem;display:grid}.fermat-variable-control{min-width:0;color:var(--fermat-color-neutral-900);font-family:var(--fermat-font-sans);gap:.55rem;display:grid}.fermat-variable-control__header{justify-content:space-between;align-items:baseline;gap:.75rem;display:flex}.fermat-variable-control__header>label{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:.8125rem;font-weight:650;line-height:1.35;overflow:hidden}.fermat-variable-control__header output{color:var(--fermat-color-neutral-700);font-family:var(--fermat-font-mono);flex:none;font-size:.75rem;font-weight:700}.fermat-variable-control__header output>span{color:var(--fermat-color-neutral-500);font-family:var(--fermat-font-sans);margin-left:.25rem}.fermat-variable-control__inputs{grid-template-columns:minmax(5rem,1fr) 6.4rem;align-items:center;gap:.65rem;display:grid}.fermat-variable-control__range{width:100%;min-width:0;height:1.25rem;accent-color:var(--fermat-color-brand-600);cursor:ew-resize;margin:0}.fermat-variable-control__range:focus-visible{outline:var(--fermat-focus-outline);outline-offset:2px}.fermat-variable-control__range:disabled{cursor:not-allowed;opacity:.55}.fermat-variable-control__number-wrap{border:1px solid var(--fermat-color-neutral-300);border-radius:var(--fermat-radius-sm);background:var(--fermat-color-neutral-0);align-items:center;min-width:0;display:flex;overflow:hidden}.fermat-variable-control__number-wrap:focus-within{border-color:var(--fermat-color-brand-600);outline:var(--fermat-focus-outline);outline-offset:1px}.fermat-variable-control__number{width:100%;min-width:0;color:var(--fermat-color-neutral-900);font:.75rem/1.2 var(--fermat-font-mono);background:0 0;border:0;outline:0;padding:.4rem .25rem .4rem .5rem}.fermat-variable-control__number-wrap>span{color:var(--fermat-color-neutral-500);flex:none;padding-right:.5rem;font-size:.6875rem;font-weight:650}.fermat-variable-control__number:disabled{cursor:not-allowed;opacity:.55}.fermat-measurement-group{gap:.5rem;min-width:0;margin:0;display:grid}.fermat-measurement{--fermat-measurement-accent:var(--fermat-color-neutral-500);border:1px solid var(--fermat-color-neutral-200);border-left:3px solid var(--fermat-measurement-accent);border-radius:var(--fermat-radius-sm);background:var(--fermat-color-neutral-50);min-width:0;padding:.55rem .65rem}.fermat-measurement--brand{--fermat-measurement-accent:var(--fermat-color-brand-600)}.fermat-measurement--warning{--fermat-measurement-accent:var(--fermat-color-warning-700);background:var(--fermat-color-warning-50)}.fermat-measurement--danger{--fermat-measurement-accent:var(--fermat-color-danger-600);background:var(--fermat-color-danger-50)}.fermat-measurement dt{color:var(--fermat-color-neutral-500);text-overflow:ellipsis;white-space:nowrap;font-size:.6875rem;font-weight:700;line-height:1.2;overflow:hidden}.fermat-measurement dd{align-items:baseline;gap:.3rem;min-width:0;margin:.2rem 0 0;display:flex}.fermat-measurement dd>span{min-width:0;font-family:var(--fermat-font-mono);text-overflow:ellipsis;white-space:nowrap;font-size:.875rem;font-weight:700;line-height:1.3;overflow:hidden}.fermat-measurement dd>small{color:var(--fermat-color-neutral-500);font-size:.6875rem;font-weight:650}.fermat-simulation-controls{min-width:0;color:var(--fermat-color-neutral-900);font-family:var(--fermat-font-sans);align-items:center;gap:.75rem;display:flex}.fermat-simulation-controls__buttons{flex:none;gap:.3rem;display:flex}.fermat-simulation-controls__buttons 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select:focus-visible{outline:var(--fermat-focus-outline);outline-offset:1px}.fermat-layer-controls{flex-wrap:wrap;gap:.35rem;display:flex}.fermat-layer-controls button{border:1px solid var(--fermat-color-neutral-300);border-radius:var(--fermat-radius-sm);background:var(--fermat-color-neutral-0);color:var(--fermat-color-neutral-700);font:650 .75rem/1 var(--fermat-font-sans);cursor:pointer;padding:.38rem .55rem}.fermat-layer-controls button:hover:not(:disabled){background:var(--fermat-color-neutral-100)}.fermat-layer-controls button[aria-pressed=true]{border-color:var(--fermat-color-brand-700);background:var(--fermat-color-brand-600);color:#fff}.fermat-layer-controls button:focus-visible{outline:var(--fermat-focus-outline);outline-offset:2px}.fermat-layer-controls button:disabled{cursor:not-allowed;opacity:.5}.fermat-scientific-svg--brand{color:var(--fermat-color-brand-600)}.fermat-scientific-svg--purple{color:var(--fermat-color-purple-500)}.fermat-scientific-svg--orange{color:var(--fermat-color-orange-500)}.fermat-scientific-svg--danger{color:var(--fermat-color-danger-600)}.fermat-scientific-svg--neutral{color:var(--fermat-color-neutral-700)}.fermat-vector-arrow{pointer-events:none}.fermat-vector-arrow line{stroke:currentColor;stroke-linecap:round;stroke-width:3px}.fermat-vector-arrow path{fill:currentColor}.fermat-vector-arrow text,.fermat-measurement-probe text{fill:currentColor;font-family:var(--fermat-font-sans);paint-order:stroke;stroke:var(--fermat-color-neutral-0);stroke-linejoin:round;stroke-width:4px;font-size:12px;font-weight:700}.fermat-measurement-probe{cursor:crosshair}.fermat-measurement-probe>circle:first-child{fill:color-mix(in srgb, currentColor 12%, white);stroke:currentColor;stroke-width:2px}.fermat-measurement-probe 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var(--fermat-color-neutral-200);border-left:0;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));display:grid}.fermat-lab-panel{border-right:1px solid var(--fermat-color-neutral-200)}}@media (max-width:34rem){.fermat-lab-layout__header{align-items:flex-start}.fermat-lab-layout__toolbar{padding:.6rem}.fermat-simulation-controls{flex-wrap:wrap}.fermat-simulation-controls__timeline{flex-basis:100%;order:3;width:100%}.fermat-variable-control__inputs{grid-template-columns:minmax(4rem,1fr) 5.5rem}}
.fermat-spatial-surface{--fermat-spatial-grid-color:color-mix(in srgb, var(--fermat-border,#cbd5e1) 54%, transparent);background:var(--fermat-surface,#fff);border:1px solid var(--fermat-border,#cbd5e1);box-sizing:border-box;touch-action:none;-webkit-user-select:none;user-select:none;border-radius:14px;min-height:320px;position:relative;overflow:hidden}.fermat-spatial-surface:focus-visible{outline:2px solid var(--fermat-focus,#2563eb);outline-offset:2px}.fermat-spatial-surface__grid{background-image:linear-gradient(to right, var(--fermat-spatial-grid-color) 1px, transparent 1px), linear-gradient(to bottom, var(--fermat-spatial-grid-color) 1px, transparent 1px);pointer-events:none;position:absolute;inset:0}.fermat-spatial-surface__world{transform-origin:0 0;position:absolute;top:0;left:0}.fermat-spatial-surface__controls{background:color-mix(in srgb, var(--fermat-surface,#fff) 90%, transparent);border:1px solid var(--fermat-border,#cbd5e1);z-index:10;border-radius:10px;align-items:center;gap:2px;padding:4px;display:flex;position:absolute;bottom:12px;right:12px;box-shadow:0 4px 14px #0f172a1a}.fermat-spatial-surface__fit{border:0;border-left:1px solid var(--fermat-border,#cbd5e1);color:var(--fermat-text,#17211e);cursor:pointer;font:600 .75rem/1 var(--fermat-font-sans,sans-serif);background:0 0;min-height:28px;margin-left:2px;padding:0 8px}.fermat-spatial-surface__fit:focus-visible{outline:2px solid var(--fermat-focus,#2563eb);outline-offset:-2px;border-radius:5px}.fermat-spatial-object{box-sizing:border-box;transform-origin:50%;position:absolute}.fermat-spatial-object--selected{outline:2px solid var(--fermat-focus,#2563eb);outline-offset:4px}
.fermat-edge-dock{z-index:900;width:fit-content;max-width:calc(100vw - 2rem);transition:left .18s,top .18s;position:fixed}.fermat-edge-dock--dragging{cursor:grabbing;-webkit-user-select:none;user-select:none;transition:none}@media (prefers-reduced-motion:reduce){.fermat-edge-dock{transition:none}}
.fermat-tutor-call-card{background:var(--fermat-color-neutral-900);color:#fff;width:clamp(13rem,19vw,17rem);font-family:var(--fermat-font-sans);isolation:isolate;border:1px solid #ffffff6b;border-radius:.85rem;position:relative;overflow:hidden;box-shadow:0 1rem 2.8rem #1325223d}.fermat-tutor-call-card__media{aspect-ratio:16/9;cursor:grab;touch-action:none;background:radial-gradient(circle at 68% 20%,#3dd6c273,#0000 42%),linear-gradient(145deg,#073b39 0%,#132522 72%);outline:none;place-items:center;display:grid;position:relative;overflow:hidden}.fermat-tutor-call-card__media:active{cursor:grabbing}.fermat-tutor-call-card__media:focus-visible{box-shadow:inset 0 0 0 3px var(--fermat-color-brand-300)}.fermat-tutor-call-card__identity{z-index:2;text-shadow:0 1px 6px #00000073;gap:.12rem;display:grid;position:absolute;top:.7rem;left:.75rem}.fermat-tutor-call-card__identity strong{font-size:.9rem}.fermat-tutor-call-card__identity span{align-items:center;gap:.35rem;font-size:.68rem;display:flex}.fermat-tutor-call-card__identity i{background:var(--fermat-color-green-400);border-radius:50%;width:.45rem;height:.45rem;box-shadow:0 0 0 3px #66d33f2e}.fermat-tutor-call-card__visual{color:#fff;background:#007f76b8;border:1px solid #ffffff47;border-radius:50%;place-items:center;width:4.4rem;height:4.4rem;font-size:1.8rem;font-weight:800;display:grid;box-shadow:0 0 0 .75rem #007f761f}.fermat-tutor-call-card__controls{-webkit-backdrop-filter:blur(16px)saturate(130%);backdrop-filter:blur(16px)saturate(130%);background:#132522bd;border-top:1px solid #ffffff1a;justify-content:center;gap:.5rem;padding:.55rem;display:flex}.fermat-tutor-call-card__controls .fermat-icon-button--secondary{--fermat-icon-button-background:#ffffff1f;--fermat-icon-button-border:#fff3;--fermat-icon-button-edge:#00000052;--fermat-icon-button-hover:#fff3;color:#fff}.fermat-tutor-companion-panel{z-index:890;width:min(24rem,100vw - 2rem);height:auto;max-height:min(34rem,100dvh - 2rem);color:var(--fermat-color-neutral-900);font-family:var(--fermat-font-sans);-webkit-backdrop-filter:blur(24px)saturate(145%);backdrop-filter:blur(24px)saturate(145%);background:#f7f9f8bd;border:1px solid #ffffffa6;border-radius:.9rem;grid-template-rows:minmax(0,1fr);display:grid;position:fixed;overflow:hidden;box-shadow:0 1.2rem 3rem #13252238}.fermat-tutor-companion-panel__body{min-height:0;overflow:hidden}.fermat-tutor-conversation{height:auto;min-height:0;max-height:32.7rem;display:grid}.fermat-tutor-conversation[data-latest-message-position=end],.fermat-tutor-conversation[data-latest-message-position=start]{grid-template-rows:auto auto}.fermat-tutor-conversation__messages{scrollbar-width:thin;align-content:start;gap:.65rem;min-height:8rem;max-height:24rem;padding:.85rem;display:grid;overflow-y:auto}.fermat-tutor-conversation__messages[data-latest-message-position=end]{flex-direction:column;display:flex}.fermat-tutor-conversation__messages[data-latest-message-position=end]>*{flex:none}.fermat-tutor-conversation__messages[data-latest-message-position=end]>[data-role]:first-child{margin-top:auto}.fermat-tutor-conversation__messages[data-latest-message-position=start]{flex-direction:column;justify-content:flex-start;display:flex}.fermat-tutor-conversation__messages[data-latest-message-position=start]>*{flex:none}.fermat-tutor-conversation__messages[data-latest-message-position=start][data-older-overflow=true]{-webkit-mask-image:linear-gradient(#000 0 calc(100% - 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