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var(--border-default);overflow-y:auto;background:var(--content-bg);min-block-size:0}.graphing__rail-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-8)}.graphing__rail-header--sliders{margin-block-start:var(--space-12);padding-block-start:var(--space-12);border-block-start:1px solid var(--border-subtle)}.graphing__rail-title{margin:0;font-size:var(--text-caption);font-weight:var(--font-weight-medium);color:var(--text-secondary);letter-spacing:.02em;text-transform:uppercase}.graphing__rail-empty{margin:0;font-size:var(--text-caption);color:var(--text-muted);line-height:1.4}.graphing__eq-list,.graphing__slider-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-8)}.graphing__eq-card,.graphing__slider-card{display:flex;flex-direction:column;gap:var(--space-6);padding:var(--space-8);border-radius:var(--radius-control);border:1px solid var(--border-subtle);background:var(--surface-elevated)}.graphing__eq-card--active{border-color:color-mix(in srgb,var(--accent-primary) 45%,var(--border-subtle));box-shadow:0 0 0 1px color-mix(in srgb,var(--accent-primary) 18%,transparent)}.graphing__eq-card-top,.graphing__slider-card-top{display:flex;align-items:center;gap:var(--space-6)}.graphing__eq-card .graphing__eq-swatch{inline-size:var(--space-16);block-size:var(--space-16);min-inline-size:var(--space-16);min-block-size:var(--space-16);padding:0;border-radius:var(--radius-pill);border:2px solid color-mix(in srgb,var(--content-bg) 55%,transparent);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--text-primary) 12%,transparent);flex-shrink:0}.graphing__eq-swatch[aria-pressed=false]{opacity:.35}.graphing__eq-index{flex:1 1 auto;font-size:var(--text-caption);color:var(--text-muted);font-variant-numeric:tabular-nums}.graphing__eq-input{font-size:var(--text-body);background:var(--content-bg);border:1px solid transparent;border-radius:var(--radius-control);min-block-size:var(--space-40);padding-block:var(--space-6);padding-inline:var(--space-12)}.graphing__eq-input:focus,.graphing__eq-input:focus-within{border-color:var(--accent-primary);outline:none}.graphing__eq-invalid{font-size:var(--text-micro);color:var(--text-warning)}.graphing__eq-card[data-invalid]{border-color:color-mix(in srgb,var(--text-warning) 35%,var(--border-subtle))}.graphing__slider-offers{display:flex;flex-wrap:wrap;gap:var(--space-6)}.graphing__slider-offer{font-variant-numeric:tabular-nums}.graphing__slider-label{flex:1 1 auto;font-size:var(--text-caption);font-weight:var(--font-weight-medium);color:var(--text-primary);font-variant-numeric:tabular-nums}.graphing__slider-range{inline-size:100%;accent-color:var(--accent-primary)}.graphing__canvas{position:relative;min-block-size:0;overflow:hidden;background:var(--surface-elevated)}.graphing__desmos-mount{position:absolute;inset:0;display:none}.graphing__desmos-mount[data-active]{display:block}.graphing__placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-12);block-size:100%;color:var(--text-muted);font-size:var(--text-body);padding:var(--space-32);text-align:center}.graphing__placeholder-title{font-size:var(--text-title);font-weight:var(--font-weight-semibold);color:var(--text-secondary)}.graphing__placeholder-error{margin:0;font-size:var(--text-caption);color:var(--text-secondary)}.graphing__placeholder-loading{margin:0;margin-block-start:var(--space-8);color:var(--text-muted)}.graphing__placeholder-note{font-size:var(--text-caption);color:var(--text-muted);max-inline-size:32rem}.graphing__ask-log{max-block-size:30%;overflow-y:auto;padding:var(--space-8) 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(prefers-reduced-motion:reduce){.graphing__composer{transition:none}}.graphing__composer-textarea{flex:1;background:none;border:none;resize:none;font-size:var(--text-body);line-height:1.5;color:var(--text-primary);min-block-size:1.75rem;max-block-size:8rem;outline:none;font-family:inherit;overflow-y:auto;padding:0;inline-size:100%}.graphing__composer-textarea:focus{outline:none;border:none}.graphing__composer-textarea::-moz-placeholder{color:var(--text-muted)}.graphing__composer-textarea::placeholder{color:var(--text-muted)}.graphing__composer-controls{display:flex;align-items:center;justify-content:space-between;gap:var(--space-8)}.graphing__composer-controls-start{display:flex;align-items:center;gap:var(--space-8);min-inline-size:0}.graphing__composer-controls-end{display:flex;align-items:center;gap:var(--space-8);margin-inline-start:auto;flex-shrink:0}.graphing__composer-send{flex-shrink:0;inline-size:2.25rem;block-size:2.25rem;padding:0;border-radius:var(--radius-pill);display:inline-flex;align-items:center;justify-content:center}.solve-skeleton-row{display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-40) var(--space-12);border-radius:var(--radius-control)}.photomath-picker__list{display:flex;flex-direction:column;gap:var(--space-8);margin-block:var(--space-12);max-block-size:60vh;overflow-y:auto}.photomath-picker__row{display:flex;align-items:flex-start;gap:var(--space-12);padding:var(--space-12);border:1px solid var(--border-default);border-radius:var(--radius-container);cursor:pointer}.photomath-picker__row:has([data-state=checked]){border-color:var(--accent-primary);background:var(--surface-info)}.photomath-picker__row-body{display:flex;flex-direction:column;gap:var(--space-4);min-inline-size:0}.photomath-picker__row-label{font-weight:var(--font-weight-semibold);font-size:var(--text-caption);color:var(--text-primary)}.photomath-picker__preview{font-size:var(--text-caption);color:var(--text-secondary);font-family:var(--font-mono)}.photomath-picker__preview--graph{display:flex;align-items:center;gap:var(--space-8);font-family:var(--font-sans)}.photomath-picker__sketch{inline-size:var(--space-48);block-size:var(--space-48);flex:0 0 auto}.photomath-picker__preview-caption{color:var(--text-secondary)}.solve-camera{display:flex;flex-direction:column;gap:var(--space-12);inline-size:100%}.solve-camera__viewport{position:relative;inline-size:100%;aspect-ratio:4/3;background:var(--surface-elevated);border-radius:var(--radius-container);overflow:hidden;display:flex;align-items:center;justify-content:center}.solve-camera__image,.solve-camera__video{max-inline-size:100%;max-block-size:100%;-o-object-fit:contain;object-fit:contain}.solve-camera__crop-box{position:absolute;border:1px solid var(--accent-primary);box-shadow:0 0 0 100vmax rgb(0 0 0/45%);touch-action:none}.solve-camera__crop-handle{position:absolute;inline-size:var(--space-20);block-size:var(--space-20);padding:0;border-radius:var(--radius-pill);background:var(--accent-primary);border:1px solid var(--surface-elevated);touch-action:none}.solve-camera__crop-handle:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring-color);outline-offset:var(--focus-ring-offset)}.solve-camera__crop-handle--nw{inset-block-start:calc(var(--space-20) / -2);inset-inline-start:calc(var(--space-20) / -2);cursor:nwse-resize}.solve-camera__crop-handle--ne{inset-block-start:calc(var(--space-20) / -2);inset-inline-end:calc(var(--space-20) / -2);cursor:nesw-resize}.solve-camera__crop-handle--sw{inset-block-end:calc(var(--space-20) / -2);inset-inline-start:calc(var(--space-20) / -2);cursor:nesw-resize}.solve-camera__crop-handle--se{inset-block-end:calc(var(--space-20) / -2);inset-inline-end:calc(var(--space-20) / -2);cursor:nwse-resize}.solve-camera__crop-move{position:absolute;inset:0;padding:0;cursor:move;background:transparent;border:none}.solve-camera__crop-move:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring-color);outline-offset:calc(var(--focus-ring-offset) * -1)}.solve-camera__actions{display:flex;justify-content:flex-end;gap:var(--space-8)}.solve-camera__hint{font-size:var(--text-caption);color:var(--text-muted);margin:0}@media (prefers-reduced-motion:reduce){.deck__active-card{transition:none}}@media (max-width:768px){.solve-sidebar{display:none}.graphing__workspace{grid-template-columns:1fr;grid-template-rows:minmax(11rem,32%) 1fr}.graphing__rail{border-inline-end:none;border-block-end:1px solid var(--border-default)}.graphing__composer{inline-size:calc(100% - var(--space-24));margin-block-end:var(--space-16)}}.ambient-indicator{position:relative;display:inline-flex}.ambient-indicator__info,.ambient-indicator__popover{position:absolute;inset-block-start:calc(100% + var(--space-8));inset-inline-end:0;z-index:var(--z-toast);inline-size:20rem;max-inline-size:calc(100vw - var(--space-24));background:var(--surface-elevated);color:var(--text-primary);border:1px solid var(--border-subtle,var(--border-default));border-radius:var(--radius-container);box-shadow:var(--shadow-2);padding:var(--space-16);display:flex;flex-direction:column;gap:var(--space-12)}.ambient-indicator__title{margin:0;font-size:var(--text-caption);font-weight:var(--font-weight-semibold,600)}.ambient-indicator__empty,.ambient-indicator__info-body,.ambient-indicator__subtitle{margin:0;color:var(--text-muted);font-size:var(--text-caption)}.ambient-indicator__rows{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-8)}.ambient-indicator__row{display:flex;justify-content:space-between;gap:var(--space-12);font-size:var(--text-caption)}.ambient-indicator__row-label{color:var(--text-muted)}.ambient-indicator__row-value{font-weight:var(--font-weight-medium,500);text-align:end}.ambient-indicator__row--redacted .ambient-indicator__row-value{color:var(--text-muted);font-style:italic;font-weight:var(--font-weight-regular,400)}.ambient-indicator__actions{gap:var(--space-8);padding-block-start:var(--space-8);border-block-start:1px solid var(--border-subtle,var(--border-default))}.ambient-indicator__actions,.ambient-indicator__toggle-row{display:flex;justify-content:space-between;align-items:center}.ambient-indicator__toggle-row{gap:var(--space-12)}.artifacts-panel{display:flex;flex-direction:column;inline-size:100%;block-size:100%;background:var(--content-bg);font-family:var(--font-sans);overflow:hidden}.artifacts-panel--embedded{min-block-size:0}.artifacts-panel__header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-12) var(--space-16);border-block-end:1px solid var(--border-subtle);flex-shrink:0}.artifacts-panel__title{font-size:var(--text-caption);font-weight:600;color:var(--text-primary);margin:0}.artifacts-panel__close{display:flex;align-items:center;justify-content:center;inline-size:var(--space-24);block-size:var(--space-24);background:transparent;border:none;cursor:pointer;color:var(--text-muted);font-size:var(--text-body);border-radius:var(--radius-sm);padding:0;transition:color var(--duration-fast) ease,background var(--duration-fast) ease}.artifacts-panel__close:hover{color:var(--text-primary);background:var(--surface-hover)}.artifacts-panel__close:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.artifacts-panel__empty,.artifacts-panel__error,.artifacts-panel__loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-12);padding:var(--space-32) var(--space-16);flex:1 1 auto}.artifacts-panel__body{flex:1 1 auto;overflow-y:auto;overscroll-behavior:contain}.artifacts-panel__section{padding-block:var(--space-8)}.artifacts-panel__section-title{font-size:var(--text-caption);font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;padding:var(--space-4) var(--space-16);margin:0}.artifacts-panel__list{list-style:none;margin:0;padding:0}.artifacts-panel__row{margin:0}.artifacts-panel__row-btn{display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:auto auto;-moz-column-gap:var(--space-8);column-gap:var(--space-8);align-items:start;inline-size:100%;padding:var(--space-8) var(--space-16);background:transparent;border:none;cursor:pointer;text-align:start;color:var(--text-primary);border-radius:0;transition:background var(--duration-fast) ease}.artifacts-panel__row-btn:hover{background:var(--surface-hover)}.artifacts-panel__row-btn:focus-visible{outline:2px solid var(--accent-primary);outline-offset:-2px}.artifacts-panel__row-kind{grid-column:1;color:var(--text-muted)}.artifacts-panel__row-kind,.artifacts-panel__row-title{grid-row:1;font-size:var(--text-caption);font-weight:500;white-space:nowrap}.artifacts-panel__row-title{grid-column:2;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis}.artifacts-panel__row-time{grid-column:3;grid-row:1;font-size:var(--text-caption);color:var(--text-muted);white-space:nowrap}.artifacts-panel__load-more,.artifacts-panel__load-more-loading{display:flex;justify-content:center;padding:var(--space-12) var(--space-16)}.artifacts-global{display:flex;flex-direction:column;padding:var(--space-24) var(--space-32);font-family:var(--font-sans);min-block-size:100%}.artifacts-global__header{margin-block-end:var(--space-24)}.artifacts-global__title{font-size:var(--text-title-lg);font-weight:700;color:var(--text-primary);margin:0}.artifacts-global__loading{display:flex;flex-direction:column;align-items:center;gap:var(--space-16);padding-block:var(--space-32)}.artifacts-global__skeleton-list{list-style:none;margin:0;padding:0;inline-size:100%;display:flex;flex-direction:column;gap:var(--space-12)}.artifacts-global__skeleton-row{display:flex;flex-direction:column;gap:var(--space-4)}.artifacts-global__empty,.artifacts-global__error{display:flex;align-items:center;justify-content:center;padding-block:var(--space-48)}.artifacts-global__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-2)}.artifacts-global__row{margin:0}.artifacts-global__row-btn{display:grid;grid-template-columns:auto 1fr auto auto;-moz-column-gap:var(--space-12);column-gap:var(--space-12);align-items:center;inline-size:100%;padding:var(--space-40) var(--space-12);background:transparent;border:none;cursor:pointer;text-align:start;color:var(--text-primary);border-radius:var(--radius-sm);transition:background var(--duration-fast) ease}.artifacts-global__row-btn:hover{background:var(--surface-hover)}.artifacts-global__row-btn:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.artifacts-global__row-kind{font-size:var(--text-caption);font-weight:500;color:var(--text-muted);min-inline-size:var(--space-48)}.artifacts-global__row-title{font-size:var(--text-caption);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.artifacts-global__row-time{font-size:var(--text-caption);color:var(--text-muted);white-space:nowrap}.artifacts-global__row-section{font-size:var(--text-micro);color:var(--text-on-accent);background:var(--accent-primary);font-weight:500;white-space:nowrap;padding:2px var(--space-8);border-radius:var(--radius-pill)}.artifacts-global__load-more,.artifacts-global__load-more-loading{display:flex;justify-content:center;padding-block:var(--space-16)}