* {
    box-sizing: border-box;
}

:root {
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 12px;

    --font-xs: 12px;
    --font-sm: 14px;
    --font-md: 16px;
    --font-lg: 20px;
    --font-xl: 28px;

    --color-page: #111;
    --color-surface: #1a1a1a;
    --color-surface-raised: #202020;
    --color-surface-hover: #292929;
    --color-surface-strong: #333;
    --color-text: #e0e0e0;
    --color-text-strong: #f2f2f2;
    --color-text-muted: #a7a7a7;
    --color-text-soft: #777;
    --color-border: #333;
    --color-border-strong: #4a4a4a;
    --color-focus: #8fa1b8;
    --color-accent: #d7dee8;
    --color-warning-bg: #262214;
    --color-warning-border: #695832;
    --color-warning-text: #e1d0a6;
    --color-success: #a9d8b1;
    --color-error: #e2a7a7;

    --transition-ui: 0.15s ease;
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.24);
}

body {
    background: var(--color-page);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--font-md);

    width: min(900px, calc(100% - 32px));
    max-width: 900px;
    margin: 40px auto;

    line-height: 1.6;
    overflow-x: hidden;
}

a,
button,
input,
select,
summary {
    transition:
        background-color var(--transition-ui),
        border-color var(--transition-ui),
        color var(--transition-ui),
        box-shadow var(--transition-ui),
        transform var(--transition-ui);
}

.generator-box {
    margin-top: var(--space-6);
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.site-logo {
    display: block;
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-soft);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: var(--space-3);
    margin: -18px 0 var(--space-6);
    padding: var(--space-2);
    border: 1px solid rgba(74, 74, 74, 0.8);
    border-radius: var(--radius-lg);
    background: rgba(18, 18, 18, 0.92);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(12px);
}

.site-brand {
    display: inline-flex;
    align-items: center;
    min-width: 0;
    gap: var(--space-2);
    color: var(--color-text-strong);
    font-size: var(--font-sm);
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
}

.site-brand-logo {
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.site-brand span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-nav,
.site-social {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.site-nav a,
.site-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    text-decoration: none;
}

.site-nav a {
    padding: 7px var(--space-3);
    font-size: var(--font-sm);
}

.site-social a {
    width: 34px;
    color: var(--color-focus);
}

.site-social svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.site-social a:first-child svg,
.site-social a:last-child svg {
    fill: currentColor;
    stroke: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-social a:hover,
.site-social a:focus-visible {
    border-color: var(--color-border-strong);
    background: var(--color-surface-hover);
    color: #fff;
    outline: none;
}

.home-page {
    width: min(1120px, calc(100% - 32px));
    max-width: 1120px;
}

.home-header {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
}

.home-header h1 {
    margin: 0;
    font-size: clamp(34px, 7vw, 68px);
    line-height: 0.95;
}

.home-header p {
    max-width: 460px;
    margin: var(--space-2) 0 0;
    color: var(--color-text-muted);
    font-size: var(--font-md);
    line-height: 1.35;
}

.invention-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
}

.invention-card {
    margin: 0;
}

.invention-card h2 {
    margin: var(--space-2) 0 0;
    font-size: var(--font-md);
    line-height: 1.2;
}

.invention-image {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: var(--color-surface);
}

.invention-card:hover .invention-image {
    border-color: var(--color-border-strong);
}

.projects-page {
    width: min(1040px, calc(100% - 32px));
    max-width: 1040px;
}

.projects-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.projects-header h1 {
    margin: 0;
    font-size: clamp(34px, 7vw, 60px);
    line-height: 0.95;
}

.projects-header p {
    max-width: 520px;
    margin: var(--space-2) 0 0;
    color: var(--color-text-muted);
    font-size: var(--font-md);
    line-height: 1.35;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: var(--space-4);
}

.project-card {
    position: relative;
    min-height: 300px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.sprocket-project-card {
    isolation: isolate;
}

.sprocket-project-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        linear-gradient(135deg, rgba(54, 66, 82, 0.28), transparent 58%),
        radial-gradient(circle at 80% 10%, rgba(93, 120, 140, 0.18), transparent 36%),
        #171717;
}

.sprocket-project-card::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(90deg, rgba(17, 17, 17, 0.94), rgba(17, 17, 17, 0.72) 52%, rgba(17, 17, 17, 0.9));
}

.sprocket-card-art {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.sprocket-style-preview {
    position: absolute;
    display: block;
    opacity: 1;
}

.sprocket-one {
    width: 230px;
    height: 230px;
    right: -26px;
    top: -34px;
    transform: rotate(12deg);
    filter:
        brightness(0) saturate(100%)
        invert(79%) sepia(59%) saturate(586%) hue-rotate(2deg) brightness(86%) contrast(88%)
        drop-shadow(0 14px 28px rgba(0, 0, 0, 0.28));
}

.sprocket-two {
    width: 185px;
    height: 185px;
    right: 118px;
    bottom: -48px;
    transform: rotate(-18deg);
    filter:
        brightness(0) saturate(100%)
        invert(64%) sepia(53%) saturate(1042%) hue-rotate(351deg) brightness(86%) contrast(90%)
        drop-shadow(0 14px 28px rgba(0, 0, 0, 0.28));
}

.sprocket-three {
    width: 160px;
    height: 160px;
    right: 20px;
    bottom: 28px;
    transform: rotate(8deg);
    filter:
        brightness(0) saturate(100%)
        invert(48%) sepia(25%) saturate(1150%) hue-rotate(222deg) brightness(82%) contrast(86%)
        drop-shadow(0 14px 28px rgba(0, 0, 0, 0.28));
}

.project-card-content {
    position: relative;
    z-index: 1;
    display: flex;
    min-height: 300px;
    max-width: 520px;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-6);
}

.project-card h2 {
    margin: 0;
    color: var(--color-text-strong);
    font-size: clamp(28px, 5vw, 42px);
    line-height: 1;
}

.project-card p {
    margin: var(--space-3) 0 0;
    max-width: 420px;
    color: var(--color-text-muted);
}

.project-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    min-height: 46px;
    margin-top: var(--space-5);
    padding: 10px var(--space-4);
    border: 1px solid #5a6470;
    border-radius: var(--radius-sm);
    background: #e7eef4;
    color: var(--color-page);
    font-weight: 700;
    text-decoration: none;
}

.project-action:hover,
.project-action:focus-visible {
    background: #fff;
    border-color: #fff;
    outline: none;
}

.project-card:hover {
    border-color: var(--color-border-strong);
}

input,
select {
    display: block;
    width: 100%;
    min-height: 42px;
    margin-top: var(--space-2);
    margin-bottom: var(--space-4);
    padding: 9px var(--space-3);

    background: var(--color-surface-raised);
    color: var(--color-text);

    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    font: inherit;
}

input:hover,
select:hover {
    border-color: #5a5a5a;
}

input:focus,
select:focus {
    border-color: var(--color-focus);
    box-shadow: 0 0 0 3px rgba(143, 161, 184, 0.18);
    outline: none;
}

input:disabled,
select:disabled {
    cursor: not-allowed;
    opacity: 0.58;
}

input[type="checkbox"] {
    width: auto;
    min-width: 20px;
    min-height: 20px;
    margin-bottom: var(--space-3);
    accent-color: var(--color-focus);
}

label {
    display: block;
    color: var(--color-text);
    font-size: var(--font-sm);
    font-weight: 650;
}

.field-label {
    margin-bottom: var(--space-2);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.style-selector {
    display: flex;
    gap: var(--space-3);
    overflow-x: auto;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-1);
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
}

.style-card {
    display: grid;
    grid-template-columns: 58px 1fr;
    grid-template-rows: auto auto;
    column-gap: var(--space-3);
    min-width: 230px;
    padding: var(--space-3);
    text-align: left;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface-raised);
    scroll-snap-align: start;
}

.style-card:hover,
.style-card.is-selected {
    border-color: var(--color-focus);
    background: var(--color-surface-hover);
}

.style-card.is-selected {
    box-shadow: inset 0 0 0 1px var(--color-focus);
}

.style-card-preview {
    grid-row: 1 / span 2;
    width: 58px;
    height: 58px;
}

.style-card-preview svg,
.style-card-preview img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.style-card-preview svg {
    fill: var(--color-accent);
}

.style-card-preview .preview-base {
    fill: var(--color-focus);
}

.style-card-preview .preview-hole,
.style-card-preview .preview-gap {
    fill: var(--color-surface-raised);
}

.style-card-name {
    color: var(--color-text-strong);
    font-size: var(--font-sm);
    font-weight: bold;
}

.style-card-description {
    color: var(--color-text-muted);
    font-size: var(--font-xs);
    line-height: 1.3;
}

.param-help {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: var(--space-2);
    border: 1px solid var(--color-border-strong);
    border-radius: 50%;
    color: var(--color-text-muted);
    font-size: var(--font-xs);
    line-height: 1;
    cursor: help;
    vertical-align: middle;
}

.param-help:hover,
.param-help:focus {
    border-color: var(--color-focus);
    color: var(--color-text-strong);
    outline: none;
}

.param-tooltip {
    position: absolute;
    left: 24px;
    top: 50%;
    z-index: 70;
    display: none;
    width: 240px;
    padding: var(--space-2) var(--space-3);
    transform: translateY(-50%);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: #151515;
    color: var(--color-text);
    box-shadow: var(--shadow-soft);
    font-size: var(--font-xs);
    font-weight: normal;
    line-height: 1.4;
}

.param-help:hover .param-tooltip,
.param-help:focus .param-tooltip {
    display: block;
}

h2 {
    margin-top: var(--space-5);
    margin-bottom: var(--space-2);
    color: var(--color-text-strong);
    font-size: var(--font-lg);
    line-height: 1.2;
}

.param-group {
    margin-top: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.015);
    overflow: hidden;
}

.param-group summary {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-strong);
    font-size: var(--font-md);
    font-weight: bold;
    cursor: pointer;
    list-style: none;
}

.param-group summary::-webkit-details-marker {
    display: none;
}

.param-group summary::before {
    content: "+";
    display: inline-grid;
    place-items: center;
    width: 20px;
    height: 20px;
    margin-right: var(--space-2);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: var(--font-sm);
    line-height: 1;
}

.param-group[open] summary {
    border-bottom: 1px solid var(--color-border);
}

.param-group[open] summary::before {
    content: "-";
    border-color: var(--color-focus);
    color: var(--color-text-strong);
}

.param-group summary:hover,
.param-group summary:focus-visible {
    background: rgba(255, 255, 255, 0.03);
    outline: none;
}

.param-group-body {
    padding: var(--space-4) var(--space-4) var(--space-1);
}

.param-row[hidden] {
    display: none;
}

.parameter-warnings {
    margin: var(--space-5) 0;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-warning-border);
    border-radius: var(--radius-md);
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
    font-size: var(--font-sm);
}

.parameter-warnings-title {
    margin-bottom: var(--space-1);
    font-weight: bold;
}

.parameter-warnings ul {
    margin: 0;
    padding-left: 18px;
}

.parameter-warnings li {
    margin: var(--space-1) 0;
}

.dimension-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-5);
    color: var(--color-text);
}

.dimension-item {
    min-width: 0;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-raised);
}

.dimension-item span {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--font-xs);
    line-height: 1.2;
}

.dimension-item strong {
    display: block;
    margin-top: var(--space-1);
    color: var(--color-text-strong);
    font-size: var(--font-md);
    line-height: 1.2;
}

button {
    min-height: 44px;
    padding: 10px var(--space-4);

    background: var(--color-surface-strong);
    color: var(--color-text);

    border: 1px solid transparent;
    border-radius: var(--radius-sm);

    cursor: pointer;
    font: inherit;
    font-weight: 650;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

button:hover:not(:disabled) {
    border-color: var(--color-border-strong);
    background: #3e3e3e;
}

button:focus-visible {
    border-color: var(--color-focus);
    box-shadow: 0 0 0 3px rgba(143, 161, 184, 0.18);
    outline: none;
}

button:active:not(:disabled) {
    transform: translateY(1px);
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.52;
}

.generation-status {
    min-height: 24px;
    margin-top: var(--space-4);
    color: var(--color-text-muted);
    overflow-wrap: anywhere;
    font-size: var(--font-sm);
}

.generation-status.is-loading,
.generation-status.is-error,
.generation-status.is-success {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.generation-status.is-loading::before {
    content: "";
    width: 12px;
    height: 12px;
    border: 2px solid var(--color-border-strong);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.generation-status.is-error {
    color: var(--color-error);
}

.generation-status.is-success {
    color: var(--color-success);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

#stl_viewer {
    margin-top: var(--space-6);
    width: 100%;
    height: clamp(260px, 52vw, 420px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #151515;
    overflow: hidden;
}

#stl_viewer canvas {
    display: block;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: var(--space-5);
    z-index: 10;
    padding: 10px var(--space-4);
    transform: translateX(-50%);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface-hover);
    color: var(--color-text-strong);
    opacity: 0;
    transition: opacity var(--transition-ui);
}

.toast.is-visible {
    opacity: 1;
}

.links-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    min-height: 100svh;
    margin: 0 auto;
    padding: var(--space-4);
}

.links-page .site-header {
    width: min(900px, 100%);
    margin: 0 0 var(--space-5);
}

.links-shell {
    width: min(100%, 420px);
    margin: auto 0;
    padding: var(--space-3) 0;
    text-align: center;
}

.links-logo {
    display: block;
    width: 74px;
    height: 74px;
    margin: 0 auto var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-soft);
}

.links-page h1 {
    margin: 0;
    color: var(--color-text-strong);
    font-size: var(--font-xl);
    line-height: 1.15;
}

.links-tagline {
    margin: var(--space-2) 0 var(--space-5);
    color: var(--color-text-muted);
    line-height: 1.35;
}

.links-list {
    display: grid;
    gap: var(--space-3);
}

.links-button {
    display: grid;
    grid-template-columns: 48px 1fr;
    align-items: center;
    min-height: 58px;
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    text-align: left;
    text-decoration: none;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
}

.links-button:hover,
.links-button:focus-visible {
    border-color: var(--color-border-strong);
    background: var(--color-surface-hover);
    outline: none;
    transform: translateY(-1px);
}

.links-button:active {
    transform: translateY(0);
}

.links-button-primary {
    border-color: #596170;
    background: #242832;
}

.links-button-primary:hover,
.links-button-primary:focus-visible {
    border-color: #818ca0;
    background: #2b303c;
}

.links-icon {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    color: var(--color-focus);
    font-size: var(--font-xs);
    font-weight: bold;
}

@media (max-width: 640px) {
    body {
        margin: 20px auto;
        width: min(100% - 20px, 900px);
    }

    .generator-box {
        margin-top: var(--space-5);
        padding: var(--space-4);
        border-radius: var(--radius-md);
    }

    .site-header {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: var(--space-2);
        margin: -8px 0 var(--space-5);
        padding: var(--space-2);
        border-radius: var(--radius-md);
    }

    .site-brand-logo {
        width: 32px;
        height: 32px;
    }

    .site-nav {
        justify-self: end;
    }

    .site-social {
        grid-column: 1 / -1;
        justify-content: flex-end;
    }

    .site-nav a,
    .site-social a {
        min-height: 38px;
    }

    .home-page {
        width: min(100% - 20px, 1120px);
    }

    .projects-page {
        width: min(100% - 20px, 1040px);
    }

    .home-header {
        align-items: flex-start;
        gap: var(--space-3);
        margin-bottom: var(--space-4);
    }

    .home-header p {
        margin-top: var(--space-2);
        font-size: var(--font-sm);
    }

    .invention-gallery {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-3);
    }

    .invention-card h2 {
        font-size: var(--font-sm);
    }

    .projects-header {
        align-items: flex-start;
        gap: var(--space-3);
        margin-bottom: var(--space-5);
    }

    .projects-header p {
        margin-top: var(--space-2);
        font-size: var(--font-sm);
    }

    .project-card,
    .project-card-content {
        min-height: 280px;
    }

    .project-card-content {
        padding: var(--space-5);
    }

    .project-action {
        width: 100%;
    }

    .sprocket-one {
        width: 190px;
        height: 190px;
        right: -48px;
        top: -22px;
    }

    .sprocket-two {
        width: 150px;
        height: 150px;
        right: 78px;
        bottom: -36px;
    }

    .sprocket-three {
        width: 130px;
        height: 130px;
        right: -8px;
        bottom: 42px;
    }

    .site-logo {
        width: 58px;
        height: 58px;
        margin-bottom: var(--space-3);
        border-radius: var(--radius-md);
    }

    input,
    select {
        width: 100%;
        max-width: none;
        min-height: 44px;
        font-size: 16px;
    }

    .action-row {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }

    .action-row button {
        width: 100%;
    }

    .style-card {
        grid-template-columns: 54px minmax(0, 1fr);
        min-width: min(236px, 82vw);
        padding: var(--space-3);
    }

    .style-card-preview {
        width: 54px;
        height: 54px;
    }

    .style-card-description {
        font-size: var(--font-xs);
    }

    .param-help {
        width: 22px;
        height: 22px;
    }

    .param-tooltip {
        left: auto;
        right: 0;
        top: 26px;
        width: min(240px, 82vw);
        transform: none;
    }

    .parameter-warnings {
        overflow-wrap: anywhere;
    }

    .dimension-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    #stl_viewer {
        margin-top: var(--space-5);
        height: clamp(240px, 72vw, 320px);
    }

    .generation-status.is-loading,
    .generation-status.is-error,
    .generation-status.is-success {
        align-items: flex-start;
    }

    .links-page {
        width: 100%;
        margin: 0;
        padding: var(--space-3);
    }

    .links-shell {
        padding: var(--space-3) 0;
    }

    .links-logo {
        width: 70px;
        height: 70px;
        border-radius: var(--radius-lg);
    }
}

@media (max-width: 380px) {
    body {
        width: min(100% - 14px, 900px);
        margin-top: 14px;
    }

    .links-page {
        width: 100%;
        margin: 0;
    }

    h1 {
        font-size: 26px;
        line-height: 1.2;
    }

    .site-header {
        grid-template-columns: 1fr;
        margin-top: -4px;
    }

    .site-nav,
    .site-social {
        justify-content: stretch;
        width: 100%;
    }

    .site-nav a {
        flex: 1 1 0;
    }

    .site-social a {
        flex: 1 1 0;
    }

    .generator-box {
        padding: 12px;
    }

    .home-page {
        width: min(100% - 14px, 1120px);
    }

    .projects-page {
        width: min(100% - 14px, 1040px);
    }

    .home-header {
        display: block;
    }

    .projects-header {
        display: block;
    }

    .invention-gallery {
        grid-template-columns: 1fr;
    }

    .invention-image {
        aspect-ratio: 4 / 5;
    }

    .dimension-summary {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }

    #stl_viewer {
        height: 230px;
    }
}