.button{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:var(--touch-target);min-width:8rem;padding:.75rem 1.75rem;border:2px solid transparent;border-radius:var(--radius);font:inherit;font-size:var(--font-size-button);font-weight:600;line-height:1.25;text-align:center;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.button--full{width:100%}.button--primary{background:var(--color-primary);color:var(--color-on-primary);border-color:var(--color-primary)}.button--primary:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.button--secondary{background:var(--color-surface);color:var(--color-primary);border-color:var(--color-primary)}.button--secondary:hover:not(:disabled){background:var(--color-primary-tint)}.button:focus-visible{outline:var(--focus-ring-width) solid var(--color-focus);outline-offset:var(--focus-ring-offset)}.button:disabled{cursor:not-allowed;opacity:.65}.button--loading:disabled{opacity:.9;cursor:progress}.button__spinner{width:1.15em;height:1.15em;border:3px solid currentColor;border-right-color:transparent;border-radius:50%;animation:button-spin .8s linear infinite;flex-shrink:0}@keyframes button-spin{to{transform:rotate(360deg)}}.age-group{margin:0;padding:0;border:0;min-width:0}.age-group__legend{padding:0;margin-bottom:1.5rem}.age-group__options{display:grid;grid-template-columns:1fr;gap:1rem}@media (min-width: 30rem){.age-group__options{grid-template-columns:1fr 1fr}}.age-group__option{display:flex;align-items:center;gap:1rem;min-height:4.5rem;padding:1rem 1.25rem;background:var(--color-surface);border:2px solid var(--color-border-strong);border-radius:var(--radius);cursor:pointer;transition:border-color .15s ease,background-color .15s 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1rem;font-weight:600;color:var(--color-error);background:var(--color-error-bg);border-left:5px solid var(--color-error);border-radius:var(--radius-small)}.question-field__error-icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:1.5rem;height:1.5rem;margin-top:.1rem;font-size:1rem;font-weight:800;color:var(--color-on-primary);background:var(--color-error);border-radius:50%}.research-header{display:flex;flex-direction:column;gap:.75rem;margin-bottom:clamp(1rem,3vw,1.5rem)}.research-header__title{margin:0;font-family:var(--font-family-body);font-size:var(--font-size-progress);font-weight:700;font-variant-numeric:tabular-nums;color:var(--color-text)}.research-header__title:focus{outline:none}.research-layout{--object-image-height: clamp(15rem, 48vh, 32rem);display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(1rem,3vw,1.75rem);align-items:start}.research-layout__questions{display:flex;flex-direction:column;gap:1.75rem}.research-layout__nav{display:flex;flex-direction:column;gap:1rem;padding-top:1.5rem;border-top:1px solid var(--color-border)}@media (min-width: 64rem){.research-layout{--object-image-height: min(70vh, 40rem);grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}.research-layout__media{position:sticky;top:1.5rem}}.review-summary__question{margin:0 0 1.5rem;font-size:var(--font-size-lead)}.review-summary__actions{flex-wrap:wrap}@media (max-width: 36rem){.review-summary__actions{flex-direction:column-reverse;align-items:stretch}}.review-list__intro{margin:0 0 1.5rem}.review-list{display:grid;grid-template-columns:minmax(0,1fr);gap:.75rem;margin:0 0 1.5rem;padding:0;list-style:none}@media (min-width: 48rem){.review-list{grid-template-columns:repeat(2,minmax(0,1fr))}}.review-list__item{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem .75rem .75rem 1rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-small)}.review-list__item--incomplete{border:2px solid var(--color-error);background:var(--color-error-bg)}.review-list__label{display:flex;align-items:center;gap:.6rem;font-weight:600}.review-list__status-icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:1.6rem;height:1.6rem;font-size:1rem;font-weight:800;color:var(--color-on-primary);background:var(--color-success);border-radius:50%}.review-list__item--incomplete .review-list__status-icon{background:var(--color-error)}.button.review-list__edit{min-width:0;min-height:3rem;padding:.5rem 1rem;font-size:var(--font-size-base)}:root{color-scheme:light;--color-bg: #f5f3ee;--color-surface: #ffffff;--color-image-bg: #ffffff;--color-text: #1b1d21;--color-text-muted: #4a4f57;--color-border: #d9d4c8;--color-border-strong: #6b7079;--color-primary: #1d4f73;--color-primary-hover: #143a56;--color-primary-tint: #e8f0f6;--color-on-primary: #ffffff;--color-focus: #b45309;--color-progress-track: #e6e2d8;--color-error: #a3241a;--color-error-bg: #fdf2f0;--color-success: #1f6b3c;--color-warning-bg: #fff8e1;--color-warning-border: #a16207;--color-notice-bg: #f2f6f9;--font-family-body: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;--font-family-heading: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Noto Serif", serif;--font-size-base: 1.125rem;--font-size-small: 1.0625rem;--font-size-lead: 1.25rem;--font-size-label: 1.25rem;--font-size-input: 1.1875rem;--font-size-button: 1.1875rem;--font-size-option: 1.5rem;--font-size-progress: 1.375rem;--font-size-title: clamp(1.625rem, 1.2rem + 1.6vw, 2.125rem);--font-size-hero: clamp(1.75rem, 1.15rem + 2.4vw, 2.625rem);--touch-target: 3.5rem;--radius: 12px;--radius-small: 8px;--focus-ring-width: 3px;--focus-ring-offset: 3px;--page-gutter: 1rem;--page-max-narrow: 48rem;--page-max-wide: 76rem;--shadow-card: 0 1px 2px rgba(27, 29, 33, .06), 0 4px 16px rgba(27, 29, 33, .05)}@media (min-width: 48rem){:root{--font-size-base: 1.25rem;--font-size-small: 1.125rem;--font-size-lead: 1.375rem;--font-size-label: 1.375rem;--font-size-input: 1.25rem;--font-size-button: 1.25rem;--font-size-progress: 1.5rem;--page-gutter: 2rem}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{margin:0;min-height:100vh;min-height:100dvh;font-family:var(--font-family-body);font-size:var(--font-size-base);line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-wrap:break-word}h1,h2,h3{line-height:1.25;color:var(--color-text)}p{margin:0 0 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1.5rem;background:var(--color-notice-bg);border:1px solid var(--color-border);border-left:5px solid var(--color-primary);border-radius:var(--radius-small)}.notice__title{margin:0 0 .5rem;font-size:var(--font-size-lead)}.notice__body{margin-bottom:1rem}.form-error{display:flex;align-items:flex-start;gap:.6rem;margin:0 0 1rem;padding:.85rem 1rem;font-weight:600;color:var(--color-error);background:var(--color-error-bg);border-left:5px solid var(--color-error);border-radius:var(--radius-small)}.form-error__icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:1.5rem;height:1.5rem;margin-top:.15rem;font-size:1rem;font-weight:800;color:var(--color-on-primary);background:var(--color-error);border-radius:50%}.completion{text-align:center;padding-block:clamp(2rem,6vw,3.5rem)}.completion__icon{display:inline-flex;margin-bottom:1rem;color:var(--color-success)}.completion__icon svg{width:4rem;height:4rem}.completion__message{margin:0;font-size:var(--font-size-lead)}.completion__next{margin-top:2rem;padding-top:1.75rem;border-top:1px solid var(--color-border)}.completion__invite{max-width:32rem;margin:0 auto 1.25rem}.completion__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem}.completion__actions .button{text-decoration:none}@media (max-width: 30rem){.completion__actions .button{width:100%}}