html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    margin: 0;
    color: var(--color-ink);
    background:
        radial-gradient(circle at 15% 0%, rgb(183 121 0 / 10%), transparent 28rem),
        var(--color-page);
    font-family: var(--font-family-base);
    font-size: 16px;
    line-height: 1.5;
}

select,
fieldset {
    font: inherit;
}

select:focus-visible {
    outline: 3px solid rgb(183 121 0 / 30%);
    outline-offset: 3px;
}

.site-header {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 68px;
    padding: 10px max(24px, calc((100% - 1280px) / 2));
    background: rgb(255 255 255 / 94%);
    border-bottom: 1px solid var(--color-line);
    backdrop-filter: blur(14px);
}

.site-brand {
    color: var(--color-ink);
    font-size: 1.1rem;
    font-weight: 850;
    text-decoration: none;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.site-nav > a,
.site-nav summary,
.site-nav__menu a {
    padding: 9px 12px;
    color: var(--color-muted);
    font-weight: 750;
    text-decoration: none;
    border-radius: 12px;
    cursor: pointer;
}

.site-nav > a:hover,
.site-nav summary:hover,
.site-nav__menu a:hover,
.site-nav [aria-current="page"] {
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
}

.site-nav__more {
    position: relative;
}

.site-nav__more summary {
    list-style: none;
}

.site-nav__more summary::-webkit-details-marker {
    display: none;
}

.site-nav__more summary::after {
    margin-left: 7px;
    content: "\25BE";
}

.site-nav__menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    display: grid;
    min-width: 210px;
    padding: 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: 16px;
    box-shadow: var(--shadow-raised);
}

.content-page {
    display: grid;
    gap: 32px;
    width: min(1280px, calc(100% - 32px));
    min-height: calc(100vh - 220px);
    margin: 44px auto 56px;
}

.content-page--home {
    width: min(1280px, calc(100% - 32px));
}

.content-hero {
    max-width: 820px;
}

.content-hero h1 {
    max-width: 760px;
    font-size: clamp(2.5rem, 7vw, 5rem);
}

.content-hero > p:not(.eyebrow) {
    max-width: 720px;
    margin: 18px 0 0;
    color: var(--color-muted);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--color-primary-dark);
    font-size: 0.76rem;
    font-weight: 850;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-title {
    grid-column: 1 / -1;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.tool-grid--compact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tool-card,
.privacy-callout,
.contact-card,
.content-copy > section:not(.content-hero) {
    padding: 28px;
    background: var(--color-surface);
    border: 1px solid rgb(32 31 34 / 5%);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-low);
}

.tool-card h2,
.privacy-callout h2,
.contact-card h2,
.content-copy h2 {
    margin-bottom: 12px;
}

.tool-card p,
.privacy-callout p,
.contact-card p,
.content-copy section p {
    color: var(--color-muted);
}

.tool-card--link {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    transition:
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
}

.tool-card--link:hover {
    background: #fffaf0;
    border-color: #e2c98f;
    box-shadow: var(--shadow-raised);
    transform: translateY(-3px);
}

.tool-card--link:active {
    transform: translateY(0);
}

.tool-card--link:focus-visible {
    outline: 3px solid rgb(183 121 0 / 30%);
    outline-offset: 4px;
}

.text-link {
    color: var(--color-primary-dark);
    font-weight: 800;
}

.privacy-callout {
    background: var(--color-primary-soft);
}

.content-copy {
    max-width: 900px;
}

.contact-page {
    max-width: 1280px;
}

.privacy-page {
    max-width: 1280px;
}

.privacy-page .content-hero,
.privacy-page .content-hero h1,
.privacy-page .content-hero > p:not(.eyebrow) {
    max-width: none;
}

.privacy-page .content-hero > p:not(.eyebrow) {
    white-space: nowrap;
}

.contact-page .content-hero {
    max-width: none;
}

.contact-page .content-hero h1 {
    max-width: none;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
}

.contact-page .content-hero > p:not(.eyebrow) {
    max-width: none;
}

.wide-hero-page {
    width: min(1280px, calc(100% - 32px));
}

.wide-hero-page .content-hero,
.wide-hero-page .content-hero h1,
.wide-hero-page .content-hero > p:not(.eyebrow) {
    max-width: none;
}

.pdf-tool-page {
    display: grid;
    gap: 24px;
    width: min(1280px, calc(100% - 32px));
    margin: 36px auto 56px;
}

.about-page {
    width: min(1280px, calc(100% - 32px));
}

.about-page .pdf-tool-hero > p:not(.eyebrow) {
    white-space: normal;
}

.pdf-tool-hero {
    max-width: none;
}

.tool-page-hero h1 {
    max-width: none;
    font-size: clamp(2rem, 5vw, 3rem);
}

.pdf-tool-hero > p:not(.eyebrow) {
    max-width: none;
    white-space: nowrap;
}

.pdf-tool-hero .eyebrow a {
    color: inherit;
}

.pdf-tool-workspace {
    display: grid;
    grid-template-columns: minmax(420px, 1.15fr) minmax(420px, 0.85fr);
    gap: 20px;
}

.pdf-tool-panel {
    min-width: 0;
    padding: 24px;
    background: var(--color-surface);
    border: 1px solid rgb(32 31 34 / 5%);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-low);
}

.pdf-tool-panel--preview {
    display: grid;
    grid-column: 1;
    gap: 18px;
    align-content: start;
}

.pdf-tool-panel--controls {
    display: grid;
    grid-column: 2;
    gap: 18px;
    align-content: start;
}

.panel-title {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 0;
}

.pdf-preview-frame {
    position: relative;
    display: grid;
    min-height: 600px;
    overflow: hidden;
    color: var(--color-muted);
    background: #f0eef1;
    border: 1px solid var(--color-line);
    border-radius: 20px;
    place-items: center;
}

.pdf-preview-frame > p {
    max-width: 280px;
    padding: 24px;
    text-align: center;
}

.pdf-preview-frame > [hidden] {
    display: none;
}

.pdf-preview-frame iframe {
    width: 100%;
    height: 600px;
    background: white;
    border: 0;
    border-radius: 19px;
    clip-path: inset(0 round 19px);
}

.crop-preview-frame {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 20px;
    overflow: auto;
}

.crop-preview-frame > .pdf-drop-zone {
    margin: auto;
}

.crop-preview-stage {
    position: relative;
    display: inline-block;
    flex: 0 0 auto;
    line-height: 0;
    touch-action: none;
    user-select: none;
}

.crop-preview-canvas {
    display: block;
    max-width: none;
    background: white;
    box-shadow: 0 8px 22px rgb(32 31 34 / 14%);
    cursor: crosshair;
}

.crop-selection {
    position: absolute;
    box-sizing: border-box;
    background: rgb(186 127 18 / 18%);
    border: 2px dashed var(--color-primary-dark);
    cursor: move;
}

.crop-selection[hidden] {
    display: none;
}

.crop-resize-handle {
    position: absolute;
    width: 14px;
    height: 14px;
    background: white;
    border: 2px solid var(--color-primary-dark);
    border-radius: 50%;
    box-shadow: 0 1px 4px rgb(32 31 34 / 28%);
}

.crop-resize-handle[data-handle="n"] {
    top: -8px;
    left: 50%;
    cursor: ns-resize;
    transform: translateX(-50%);
}

.crop-resize-handle[data-handle="s"] {
    bottom: -8px;
    left: 50%;
    cursor: ns-resize;
    transform: translateX(-50%);
}

.crop-resize-handle[data-handle="e"] {
    top: 50%;
    right: -8px;
    cursor: ew-resize;
    transform: translateY(-50%);
}

.crop-resize-handle[data-handle="w"] {
    top: 50%;
    left: -8px;
    cursor: ew-resize;
    transform: translateY(-50%);
}

.crop-resize-handle[data-handle="nw"] {
    top: -8px;
    left: -8px;
    cursor: nwse-resize;
}

.crop-resize-handle[data-handle="ne"] {
    top: -8px;
    right: -8px;
    cursor: nesw-resize;
}

.crop-resize-handle[data-handle="se"] {
    right: -8px;
    bottom: -8px;
    cursor: nwse-resize;
}

.crop-resize-handle[data-handle="sw"] {
    bottom: -8px;
    left: -8px;
    cursor: nesw-resize;
}

.crop-selection.is-preset .crop-resize-handle[data-handle="n"],
.crop-selection.is-preset .crop-resize-handle[data-handle="e"],
.crop-selection.is-preset .crop-resize-handle[data-handle="s"],
.crop-selection.is-preset .crop-resize-handle[data-handle="w"] {
    display: none;
}

.crop-page-navigation {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 14px;
    width: 100%;
}

.crop-page-navigation[hidden] {
    display: none;
}

.crop-page-navigation label {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--color-muted);
    font-size: 0.86rem;
    font-weight: 750;
    grid-column: 2;
}

.crop-page-navigation input {
    width: 58px;
    min-height: 36px;
    padding: 0 6px;
    color: var(--color-ink);
    font-weight: 800;
    text-align: center;
    background: white;
    border: 1px solid var(--color-line);
    border-radius: 9px;
}

.crop-page-navigation button {
    min-height: 36px;
    padding: 0 12px;
    color: var(--color-primary-dark);
    font-size: 0.8rem;
    font-weight: 800;
    background: white;
    border: 1px solid #c5a45e;
    border-radius: 9px;
    cursor: pointer;
}

.crop-page-navigation button:first-child {
    justify-self: start;
}

.crop-page-navigation button:last-child {
    justify-self: end;
}

.crop-page-navigation button:disabled {
    color: #918d93;
    background: #e7e4e8;
    border-color: #d2ced3;
    cursor: not-allowed;
}

.crop-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-ink);
    font-size: 0.9rem;
    font-weight: 750;
    cursor: pointer;
}

.crop-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary-dark);
}

.crop-selection-info {
    padding: 13px 14px;
    margin: 0;
    color: #6f531b;
    font-size: 0.88rem;
    font-weight: 650;
    line-height: 1.45;
    background: #fff8e8;
    border: 1px solid #e8cf9b;
    border-radius: 12px;
}

.crop-clear-selection {
    min-height: 32px;
    padding: 0 10px;
    color: #b42318;
    font-size: 0.76rem;
    font-weight: 800;
    background: white;
    border: 1px solid #d74338;
    border-radius: 8px;
    cursor: pointer;
    letter-spacing: normal;
    text-transform: none;
}

.crop-clear-selection:disabled {
    color: #918d93;
    background: #e7e4e8;
    border-color: #d2ced3;
    cursor: not-allowed;
}

.pdf-drop-zone {
    display: grid;
    gap: 4px;
    width: min(520px, calc(100% - 48px));
    min-height: 130px;
    padding: 24px;
    color: var(--color-primary-dark);
    text-align: center;
    background: #fffaf0;
    border: 2px dashed #c18a24;
    border-radius: 20px;
    cursor: pointer;
    place-content: center;
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.pdf-drop-zone[hidden] {
    display: none;
}

.pdf-drop-zone:hover,
.pdf-drop-zone.is-dragging {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
}

.pdf-drop-zone span {
    color: var(--color-muted);
    font-size: 0.88rem;
}

.file-summary {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.86rem;
}

.pdf-preview-file-summary {
    text-align: center;
}

.file-details {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.replace-file-link {
    color: var(--color-primary-dark);
    font-size: 0.86rem;
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
}

.replace-file-link:hover {
    text-decoration: underline;
}

.replace-file-link[hidden] {
    display: none;
}

.tool-field {
    display: grid;
    gap: 7px;
}

.tool-field[hidden] {
    display: none;
}

.tool-field > span {
    color: #6f531b;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tool-field > .crop-size-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.tool-field input,
.tool-field select {
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    color: var(--color-ink);
    font-weight: 700;
    background: #fffaf0;
    border: 1px solid var(--color-line);
    border-bottom: 3px solid #777179;
    border-radius: 12px 12px 3px 3px;
}

.tool-field input:focus,
.tool-field select:focus {
    background: var(--color-primary-soft);
    border-bottom-color: var(--color-primary);
    outline: 0;
}

.tool-field small {
    color: var(--color-muted);
}

.range-editor {
    display: grid;
    gap: 12px;
    min-width: 0;
    padding: 0;
    border: 0;
}

.range-editor[hidden] {
    display: none;
}

.range-editor legend {
    padding: 0;
    margin-bottom: 7px;
    color: #6f531b;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.range-list {
    display: grid;
    gap: 10px;
    max-height: 260px;
    padding: 12px;
    overflow: auto;
    background: #faf9fb;
    border: 1px solid var(--color-line);
    border-radius: 16px;
}

.range-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1.3fr) minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
}

.range-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-ink);
    font-size: 0.88rem;
    font-weight: 800;
    white-space: nowrap;
}

.range-number {
    display: inline-grid;
    min-width: 30px;
    min-height: 30px;
    padding: 0 6px;
    background: #e8e5ed;
    border-radius: 9px;
    place-items: center;
}

.range-input-group {
    display: grid;
    grid-template-columns: auto 72px;
    min-width: 0;
    min-height: 42px;
    overflow: hidden;
    background: white;
    border: 1px solid #777179;
    border-radius: 10px;
}

.range-input-group span {
    display: inline-flex;
    align-items: center;
    padding: 0 9px;
    color: var(--color-muted);
    font-size: 0.78rem;
    font-weight: 750;
    border-right: 1px solid #777179;
    white-space: nowrap;
}

.range-input-group input {
    width: 100%;
    min-width: 0;
    padding: 0 6px;
    color: var(--color-ink);
    font-weight: 800;
    text-align: center;
    background: white;
    border: 0;
}

.range-input-group input:focus {
    background: var(--color-primary-soft);
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.range-remove-button,
.range-add-button {
    min-height: 42px;
    padding: 0 12px;
    color: #b42318;
    font-weight: 800;
    background: white;
    border: 1px solid #d74338;
    border-radius: 10px;
    cursor: pointer;
}

.range-remove-button:disabled,
.range-add-button:disabled {
    color: #8b878d;
    background: #ebe9ec;
    border-color: #d7d3d8;
    cursor: not-allowed;
}

.range-add-button {
    justify-self: center;
    min-width: 140px;
}

.merge-file-list {
    display: grid;
    gap: 10px;
    max-height: 460px;
    padding: 0;
    margin: 0;
    overflow: auto;
    list-style: none;
}

.merge-file-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
    padding: 9px;
    background: #faf9fb;
    border: 1px solid var(--color-line);
    border-radius: 14px;
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.merge-file-row.is-selected {
    background: var(--color-primary-soft);
    border-color: #d9ad54;
}

.merge-file-select {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 9px;
    align-items: center;
    min-width: 0;
    padding: 0;
    text-align: left;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.merge-order {
    display: grid;
    width: 32px;
    height: 32px;
    color: var(--color-primary-dark);
    font-weight: 850;
    background: white;
    border-radius: 9px;
    box-shadow: inset 0 0 0 1px var(--color-line);
    place-items: center;
}

.merge-file-copy {
    display: grid;
    min-width: 0;
}

.merge-file-copy strong {
    overflow: hidden;
    font-size: 0.86rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.merge-file-copy small {
    color: var(--color-muted);
}

.merge-file-actions {
    display: flex;
    gap: 5px;
}

.merge-file-actions button {
    min-height: 34px;
    padding: 0 8px;
    color: var(--color-primary-dark);
    font-size: 0.75rem;
    font-weight: 800;
    background: white;
    border: 1px solid #c5a45e;
    border-radius: 8px;
    cursor: pointer;
}

.merge-file-actions button[data-action="remove"] {
    color: #b42318;
    border-color: #d74338;
}

.merge-file-actions button:disabled {
    color: #918d93;
    background: #e7e4e8;
    border-color: #d2ced3;
    cursor: not-allowed;
}

.pdf-tool-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.pdf-tool-actions .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    padding: 0 18px;
    text-decoration: none;
}

.pdf-tool-actions .button:disabled,
.tool-download[aria-disabled="true"] {
    color: #777179;
    background: #e6e3e7;
    border-color: #d0ccd1;
    box-shadow: none;
    cursor: not-allowed;
    pointer-events: none;
}

.tool-status {
    padding: 12px 14px;
    margin: 0;
    font-size: 0.88rem;
    font-weight: 650;
    border-radius: 12px;
}

.tool-status--info {
    color: #075985;
    background: #e0f2fe;
}

.tool-status--success {
    color: #17623b;
    background: #e0f5e9;
}

.tool-status--error {
    color: #991b1b;
    background: #fee2e2;
}

.tool-information {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    width: 100%;
    min-width: 0;
}

.tool-information > div {
    min-width: 0;
    padding: 28px;
    background: var(--color-surface);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-low);
}

.tool-information p,
.tool-information li {
    color: var(--color-muted);
}

.tool-information ol {
    padding-left: 1.3rem;
    margin-bottom: 0;
}

h1,
h2 {
    margin: 0;
    line-height: 1.08;
    letter-spacing: -0.035em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
    font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.packing-hero {
    width: min(1280px, calc(100% - 32px));
    max-width: none;
    margin: 36px auto 24px;
}

.packing-hero h1,
.packing-hero > p {
    max-width: none;
}

.packing-hero > p {
    white-space: nowrap;
}

.packing-app {
    display: grid;
    grid-template-columns: minmax(420px, 1.4fr) minmax(300px, 0.8fr);
    gap: 20px;
    width: min(1280px, calc(100% - 32px));
    margin: 0 auto 36px;
}

.viewer-panel {
    grid-column: 1;
    grid-row: 1;
}

.controls-panel {
    grid-column: 2;
    grid-row: 1;
}

.panel,
.results,
.assumption-note {
    background: var(--color-surface);
    border: 1px solid rgb(32 31 34 / 5%);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-low);
}

.panel {
    padding: 24px;
}

.section-heading {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 18px;
}

form,
fieldset {
    display: grid;
    gap: 12px;
}

form {
    gap: 14px;
}

fieldset {
    padding: 0;
    margin: 0;
    border: 0;
}

#custom-box-fields[hidden] {
    display: none;
}

.fieldset-legend {
    margin: 0;
    color: #6f531b;
    font-size: 1.0rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.fieldset-heading {
    display: flex;
    gap: 18px;
    align-items: end;
    justify-content: space-between;
}

.unit-field {
    width: auto;
}

.unit-field select {
    min-height: 40px;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.field-grid.field-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.field-grid.field-grid--2 {
    grid-template-columns: 1fr minmax(140px, 1fr);
}

.field {
    display: grid;
    gap: 5px;
}

.field__label {
    color: #6f531b;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.field--wide > .field__label {
    font-size: 1.0rem;
}

.field input,
.field select {
    width: 100%;
    min-height: 42px;
    padding: 0 13px;
    color: var(--color-ink);
    font-weight: 700;
    background: #fffaf0;
    border: 1px solid transparent;
    border-bottom: 3px solid #777179;
    border-radius: 12px 12px 3px 3px;
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

/* Remove number input spinner arrows */
.field input[type="number"]::-webkit-outer-spin-button,
.field input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.field input[type="number"] {
    -moz-appearance: textfield;
}

.field input:focus,
.field select:focus {
    background: var(--color-primary-soft);
    border-bottom-color: var(--color-primary);
    outline: 0;
}

.field__support {
    min-height: 1.4em;
    color: var(--color-muted);
    font-size: 0.82rem;
}

.form-message {
    min-height: 1.5em;
    margin: 10px 0 0;
    color: #17623b;
    font-size: 0.88rem;
    font-weight: 650;
}

.form-message.is-error {
    color: #a1251e;
}

.viewer-panel {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.viewer-heading {
    align-items: end;
}

.viewer-hint {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.82rem;
}

#packing-viewer {
    position: relative;
    flex: 1;
    width: 100%;
    min-height: 520px;
    overflow: hidden;
    background:
        linear-gradient(rgb(255 255 255 / 45%), rgb(255 255 255 / 45%)),
        #fffaf0;
    border: 1px solid var(--color-line);
    border-radius: 20px;
}

#packing-viewer canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.viewer-placeholder {
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 50%;
    width: min(280px, calc(100% - 48px));
    color: var(--color-muted);
    text-align: center;
    transform: translate(-50%, -50%);
}

.results {
    display: grid;
    grid-template-columns: 1.1fr repeat(3, 1fr);
    gap: 12px;
    grid-column: 1 / -1;
    grid-row: 2;
    padding: 14px;
}

.results-heading,
.metric-card {
    padding: 14px;
}

.results-heading {
    align-self: center;
}

.metric-card {
    min-width: 0;
    background: #fff8e6;
    border-radius: 20px;
    transition:
        color var(--transition),
        background-color var(--transition),
        box-shadow var(--transition);
}

.metric-card--weight-warning {
    background: #ffe2a8;
    box-shadow: inset 0 0 0 2px #d97706;
}

.metric-card--weight-warning .metric-card__label,
.metric-card--weight-warning .metric-card__value {
    color: #92400e;
}

.metric-card--weight-critical {
    background: #b42318;
    box-shadow:
        inset 0 0 0 3px #7a1410,
        0 6px 18px rgb(180 35 24 / 30%);
}

.metric-card--weight-critical .metric-card__label,
.metric-card--weight-critical .metric-card__value,
.metric-card--weight-critical .metric-card__detail {
    color: #ffffff;
}

.metric-card--weight-critical .metric-card__value {
    font-size: clamp(1.55rem, 3vw, 2.2rem);
}

.metric-card__label,
.metric-card__detail {
    margin: 0;
}

.metric-card__label {
    color: #6f531b;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.metric-card__value {
    display: block;
    margin: 5px 0 4px;
    overflow-wrap: anywhere;
    color: var(--color-primary-dark);
    font-size: clamp(1.35rem, 2.6vw, 1.9rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
}

.metric-card__detail {
    color: var(--color-muted);
    font-size: 0.8rem;
}

.assumption-note {
    grid-column: 1 / -1;
    padding: 18px 24px;
    color: #5e5961;
    font-size: 0.88rem;
}

.assumption-note strong {
    color: var(--color-ink);
}

.page-footer {
    display: grid;
    gap: 6px;
    width: min(1280px, calc(100% - 32px));
    padding: 0 0 36px;
    margin: 0 auto;
    color: var(--color-muted);
    text-align: center;
    font-size: 0.88rem;
}

.page-footer p {
    margin: 0;
}

.page-footer nav {
    display: flex;
    justify-content: center;
    gap: 18px;
}

.page-footer strong {
    color: var(--color-ink);
}

.page-footer a {
    color: var(--color-primary-dark);
    font-weight: 700;
}

.page-footer a:hover {
    color: var(--color-primary);
}

@media (max-width: 900px) {
    .pdf-tool-workspace,
    .tool-information {
        grid-template-columns: 1fr;
    }

    .pdf-tool-panel--controls,
    .pdf-tool-panel--preview {
        grid-column: auto;
    }

    .pdf-tool-panel--controls {
        grid-row: 1;
    }

    .pdf-tool-panel--preview {
        grid-row: 2;
    }

    .packing-app {
        grid-template-columns: 1fr;
    }

    .controls-panel,
    .viewer-panel {
        grid-column: auto;
    }

    .controls-panel {
        grid-row: 1;
    }

    .viewer-panel {
        grid-row: 2;
    }

    .results {
        grid-row: 3;
        grid-template-columns: repeat(3, 1fr);
    }

    .results-heading {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .site-header {
        align-items: flex-start;
        padding: 12px 16px;
    }

    .site-nav {
        flex-wrap: wrap;
        justify-content: flex-end;
        font-size: 0.82rem;
    }

    .site-nav > a,
    .site-nav summary {
        padding: 7px 8px;
    }

    .tool-grid,
    .tool-grid--compact {
        grid-template-columns: 1fr;
    }

    .content-page {
        margin-top: 32px;
    }

    .privacy-page .content-hero > p:not(.eyebrow) {
        white-space: normal;
    }

    .pdf-tool-page {
        width: min(100% - 20px, 1280px);
        margin-top: 28px;
    }

    .pdf-tool-hero > p:not(.eyebrow) {
        white-space: normal;
    }

    .pdf-tool-panel {
        padding: 20px;
        border-radius: 22px;
    }

    .pdf-preview-frame,
    .pdf-preview-frame iframe {
        min-height: 460px;
        height: 460px;
    }

    .crop-preview-frame {
        height: auto;
        min-height: 460px;
        padding: 14px;
    }

    .crop-page-navigation {
        gap: 8px;
    }

    .crop-page-navigation button {
        padding: 0 9px;
    }

    .pdf-tool-actions {
        grid-template-columns: 1fr;
    }

    .range-row {
        grid-template-columns: 1fr 1fr;
    }

    .range-label {
        grid-column: 1;
    }

    .range-remove-button {
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
    }

    .range-input-group {
        grid-row: 2;
    }

    .merge-file-row {
        grid-template-columns: 1fr;
    }

    .merge-file-actions {
        justify-content: flex-end;
    }

    .packing-app {
        width: min(100% - 20px, 1280px);
        margin-top: 14px;
    }

    .packing-hero {
        width: min(100% - 20px, 1280px);
        margin-top: 28px;
    }

    .packing-hero > p {
        white-space: normal;
    }

    .panel {
        padding: 22px;
        border-radius: 22px;
    }

    .section-heading {
        display: grid;
    }

    .fieldset-heading {
        align-items: start;
    }

    .field-grid,
    .results {
        grid-template-columns: 1fr;
    }

    .results-heading {
        grid-column: auto;
    }

    #packing-viewer {
        min-height: 400px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}