:root {
    --color-canvas: #fbf9f6;
    --color-card: #f2efe9;
    --color-stroke: #1a1917;
    --color-stroke-soft: #1a191726;
    --color-text-primary: #1a1917;
    --color-text-secondary: #444444;

    --color-link: #0066cc;

    --font-size-page-title: clamp(2.2rem, 5vw, 3rem);
    --font-size-capture-text: 1rem;
    --font-size-capture-seemore: 0.75rem;
    --font-size-capture-timestamp: 0.75rem;
    --font-size-pill: 0.8125rem;
    --font-size-pill-prefix: 0.6875rem;
}

@media (max-width: 768px) {
    html {
        font-size: 106.25%;
    }
}

body {
    display: flex;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background: var(--color-canvas);
    color: var(--color-text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 400;
    line-height: 1.6;
}

#page-content-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 780px;
    min-width: 0;
    margin-top: 8px;
    padding: 0px 16px;
    box-sizing: border-box;
}

#header-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 12px;
    align-items: flex-end;
    gap: 10px;
}

#header-row>* {
    margin: 0;
}

#page-title {
    margin: 0;
    font-style: italic;
    font-weight: 800;
    font-size: var(--font-size-page-title);
    letter-spacing: 0.03em;
    line-height: 1.0;
    color: var(--color-text-primary);
}

.header-title-link {
    text-decoration: none;
    color: inherit;
}

#header-search-form {
    display: flex;
    flex-direction: row;
    width: clamp(180px, 22vw, 260px);
    flex: 0 0 auto;
    margin-left: 8px;
}

#header-search-input-wrap {
    width: 100%;
    position: relative;
}

#header-search-input {
    width: 100%;
    box-sizing: border-box;
    padding: 7px 40px 7px 14px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
}

#header-search-input:focus {
    outline: none;
    border-color: var(--color-stroke);
}

#header-search-clear {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    background: transparent;
    border-radius: 50%;
    color: #747b88;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}

#header-search-clear:hover {
    color: var(--color-text-primary);
    background: rgba(0, 0, 0, 0.04);
}

#header-search-clear.is-hidden {
    display: none;
}

#header-search-submit {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

#file-upload-form {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-left: auto;
    gap: 6px;
}

#file-picker-label {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    border: 1px solid var(--color-stroke-soft);
    background-color: white;
    border-radius: 12px;
    padding: 4px 8px;
    color: var(--color-text-secondary);
    cursor: pointer;
}

#file-picker-label:hover {
    border-color: var(--color-stroke);
}

.file-picker-icon {
    height: 1em;
    width: 1em;
}

#file-upload-form.is-uploading #file-picker-label {
    opacity: 0.6;
    pointer-events: none;
}

#upload-progress {
    width: 100%;
    display: none;
    margin-bottom: 10px;
}

#upload-progress.is-visible {
    display: block;
}

#upload-progress-track {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: #eceff3;
    overflow: hidden;
}

#upload-progress-bar {
    width: 0%;
    height: 100%;
    background: var(--color-stroke);
    transition: width 0.12s ease-out;
}

#upload-progress-text {
    margin-top: 3px;
    font-size: 0.75rem;
    color: var(--color-text-primary);
}

#upload-notice {
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(-4px);
    will-change: opacity, transform;
}

#upload-notice.is-visible {
    animation: upload-notice-pop-in 280ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

#upload-notice.is-hiding {
    animation: upload-notice-drift-out 300ms ease-in both;
}

@keyframes upload-notice-pop-in {
    0% {
        opacity: 0;
        transform: translateY(-8px) scale(0.985);
    }

    72% {
        opacity: 1;
        transform: translateY(0) scale(1.01);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes upload-notice-drift-out {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    100% {
        opacity: 0;
        transform: translateY(-10px) scale(0.99);
    }
}

#drop-zone-row {
    display: none;
    width: 100%;
    text-align: center;
    font-size: 1.125rem;
    background-color: var(--color-canvas);
    color: var(--color-stroke);
    padding: 20px 0;
    margin-bottom: 20px;
    border: 2px dashed var(--color-stroke);
    border-radius: 8px;
}

.feed-card {
    width: 100%;
    box-sizing: border-box;
    background: var(--color-card);
    border-radius: 0.5rem;
    margin-bottom: 8px;
}

.capture-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.capture-card__image-container {
    width: 100%;
    display: flex;
    overflow: hidden;
    justify-content: center;
    border-radius: 0.5rem;
}

.capture-card__image-link {
    width: 100%;
    display: block;
    overflow: hidden;
    border-radius: inherit;
    border: 1px solid var(--color-stroke-soft);
}

.capture-card__image {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.capture-card__body {
    display: flex;
    flex-direction: column;
}

.capture-card__summary,
.capture-card__details {
    line-height: 1.35;
    font-size: var(--font-size-capture-text);
    margin: 0;
}

.capture-card__details {
    white-space: pre-line;
}

.capture-card__details-toggle-row {
    display: flex;
    justify-content: center;
    margin: 12px 0 14px;
}

.capture-card__details-toggle {
    color: var(--color-text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    font-size: var(--font-size-capture-seemore);
}

.capture-card__details-panel {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, opacity 0.2s ease;
}

.capture-card.is-expanded .capture-card__details-panel {
    max-height: 900px;
    opacity: 1;
    margin-bottom: 12px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 8px;
    margin-top: auto;
}

.card-footer__left {
    display: flex;
    align-items: center;
    min-height: 1.1rem;
}

.card-footer__action {
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-capture-timestamp);
    font-style: italic;
    padding: 0;
    cursor: pointer;
}

.card-footer__action:visited {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.card-footer__action:hover {
    color: var(--color-text-primary);
    text-decoration: underline;
}

.card-footer--detail {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.card-footer--detail .card-footer__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.capture-card__annotation-block {
    margin: 0;
}

.capture-card__annotation-block.capture-card__annotation-block--populated {
    margin-top: 8px;
    margin-bottom: 0;
}

.capture-card__annotation-row {
    border: 1px solid var(--color-stroke-soft);
    border-radius: 8px;
    background: var(--color-card);
    padding: 8px;
    cursor: pointer;
}

.capture-card__annotation-content {
    margin: 0;
    white-space: pre-line;
    font-size: 0.85rem;
    line-height: 1.4;
}

.capture-card__annotation-actions,
.capture-card__annotation-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 6px;
}

.capture-card__annotation-action {
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--font-size-capture-timestamp);
    font-style: italic;
    padding: 0;
    cursor: pointer;
}

.capture-card__annotation-action:hover {
    color: var(--color-text-primary);
    text-decoration: underline;
}

.capture-card__annotation-input {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--color-stroke-soft);
    border-radius: 8px;
    padding: 8px;
    font: inherit;
    font-size: 0.85rem;
    color: var(--color-text-primary);
    background: var(--color-canvas);
    resize: vertical;
}

.capture-card__annotation-input:focus {
    outline: none;
    border-color: var(--color-stroke);
}

.card-timestamp {
    font-size: var(--font-size-capture-timestamp);
    font-style: italic;
    color: var(--color-text-secondary);
}

.pill-group {
    display: flex;
    gap: 6px;
}

.pill-group--wrap {
    flex-wrap: wrap;
}

.pill-group--scroll {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.pill-group--scroll::-webkit-scrollbar {
    display: none;
}

.pill-group--stack+.pill-group--stack {
    margin-top: 8px;
}

.pill {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    color: var(--color-text-secondary);
    border-radius: 10px;
    border: 1px solid var(--color-stroke-soft);
    background: var(--color-canvas);
    overflow: hidden;
    text-decoration: none;
}

.pill:hover {
    border-color: var(--color-stroke);
}

.pill__prefix {
    font-size: var(--font-size-pill-prefix);
    padding: 3px 6px;
    background: var(--color-canvas);
    color: var(--color-text-secondary);
    border-right: 1px solid var(--color-stroke-soft);
}

.pill__label {
    font-size: var(--font-size-pill);
    padding: 3px 8px;
}

.spark-card-summary {
    margin-bottom: 10px;
    white-space: pre-line;
}

.spark-cluster {
    padding: 10px;
    margin-top: 10px;
}

.spark-card>.spark-cluster:first-of-type {
    margin-top: 0;
}

.spark-cluster-title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin: 0 0 6px 0;
}

.spark-cluster-summary {
    margin: 0 0 10px 0;
    white-space: pre-line;
}

.spark-capture-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 4px 0 10px 0;
}

.spark-capture-item {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 10px;
    align-items: start;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--color-stroke-soft);
    border-radius: 6px;
    padding: 6px;
}

.spark-capture-item:hover {
    border-color: var(--color-stroke);
}

.spark-capture-thumb {
    width: 92px;
    height: 72px;
    border-radius: 4px;
    overflow: hidden;
}

.spark-capture-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.spark-capture-meta {
    min-width: 0;
}

.spark-capture-meta-summary {
    font-size: 0.8125rem;
    line-height: 1.3;
    margin: 0;
    white-space: normal;
}

.spark-links {
    margin: 0;
    padding-left: 20px;
}

.spark-links li {
    margin: 0 0 8px 0;
}

.spark-links a {
    color: var(--color-link);
}

.spark-links li>div:first-child a {
    display: inline-block;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: bottom;
}

.metadata-dict-list {
    margin: 0 0 10px 0;
}

.metadata-dict-list dt {
    margin: 6px 0 0 0;
}

.metadata-dict-list dt:first-of-type {
    margin-top: 0;
}

.metadata-dict-list dd {
    margin: 4px 0 0 0;
    padding-left: 12px;
    font-size: 0.9375rem;
    line-height: 1.45;
}

.metadata-card .pill__prefix {
    font-size: 0.75rem;
}

.metadata-card .pill__label {
    font-size: 0.875rem;
}

.metadata-card {
    --metadata-card-collapsed-height: 200px;
}

.metadata-card .capture-card__body {
    position: relative;
}

.metadata-card__content {
    position: relative;
}

.metadata-card .capture-card__details-panel {
    max-height: var(--metadata-card-collapsed-height);
    opacity: 1;
    overflow: hidden;
}

.metadata-card:not(.is-expanded) .metadata-card__content::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 84px;
    background: linear-gradient(to bottom, rgba(242, 239, 233, 0), var(--color-card) 78%);
    pointer-events: none;
}

.metadata-card.is-expanded .metadata-card__content {
    max-height: 2400px;
    margin-bottom: 0;
}

.metadata-card .metadata-card__toggle-row {
    position: absolute;
    left: 50%;
    bottom: 2px;
    transform: translateX(-50%);
    z-index: 2;
    margin: 0;
}

.metadata-card.is-expanded .metadata-card__toggle-row:not([hidden]) {
    position: static;
    transform: none;
    margin: 2px 0 0 0;
    display: flex;
    justify-content: center;
}

.metadata-card .metadata-card__toggle-row[hidden] {
    display: none;
}

.metadata-card__toggle {
    border: 1px solid var(--color-stroke-soft);
    border-radius: 999px;
    background: var(--color-canvas);
    padding: 3px 10px;
    cursor: pointer;
}

.metadata-card__toggle:hover {
    border-color: var(--color-stroke);
    color: var(--color-text-primary);
}

.metadata-subsection-title {
    margin: 0 0 6px 0;
    color: var(--color-text-primary);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.metadata-dict-list+.metadata-subsection-title,
.pill-group+.metadata-subsection-title {
    margin-top: 10px;
}

.capture-detail-disclosure {
    position: relative;
    --metadata-card-collapsed-height: 280px;
}

.capture-detail-disclosure .capture-card__details-panel {
    transition: none;
}

.capture-detail-disclosure .capture-card__summary+.capture-card__details {
    margin-top: 10px;
}

.related-captures {
    margin-bottom: 10px;
}

.related-captures__empty {
    padding: 4px 0 8px;
}

.related-captures__grid {
    --related-captures-cols: 3;
    display: grid;
    grid-template-columns: repeat(var(--related-captures-cols), minmax(0, 1fr));
    gap: 10px;
    align-items: start;
}

.related-captures__column {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.related-captures__item {
    display: block;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-stroke-soft);
    background: var(--color-card);
}

.related-captures__item:hover {
    border-color: var(--color-stroke);
}

.related-captures__item img {
    display: block;
    width: 100%;
    height: auto;
}

.empty-state {
    opacity: 0.8;
    font-style: italic;
    padding: 20px 0;
}

@media (max-width: 768px) {

    .related-captures__grid {
        --related-captures-cols: 2;
        gap: 8px;
    }

    .related-captures__column {
        gap: 8px;
    }

    .capture-detail-disclosure {
        --metadata-card-collapsed-height: 220px;
    }

    #header-row {
        flex-wrap: wrap;
        align-items: center;
        row-gap: 2px;
    }

    #header-search-form {
        width: 100%;
        max-width: none;
        flex-basis: 100%;
        order: 3;
        margin-left: 0;
        margin-top: 6px;
        margin-bottom: 4px;
    }

    #header-search-input {
        width: 100%;
        box-sizing: border-box;
        font-size: 0.9375rem;
        padding: 9px 42px 9px 12px;
    }

    #header-search-clear {
        width: 32px;
        height: 32px;
        right: 2px;
    }

    .file-picker-text {
        display: none;
    }

    #file-picker-label {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
        min-width: 52px;
        min-height: 32px;
    }

    .feed-card {
        border: 1px solid var(--color-stroke-soft);
        padding: 8px;
    }

    .capture-card__image-container {
        box-sizing: border-box;
    }

    .capture-card__image {
        width: auto;
        max-width: 100%;
        max-height: 600px;
        object-fit: initial;
    }

    .capture-card__image-link {
        display: inline-block;
        width: auto;
        max-width: 100%;

    }

    .capture-card__body {
        margin-top: 10px;
    }

    .capture-card__details-toggle-row {
        margin: 10px 0 12px;
    }

}

@media (min-width: 769px) {
    #header-row form {
        margin-bottom: 2px;
    }

    .file-picker-icon {
        translate: 0 0.1em;
    }

    .feed-card {
        outline: 0.5px solid var(--color-stroke-soft);
        outline-offset: -0.5px;
        padding: 10px;
    }

    .feed-card.capture-card--detail {
        padding-top: 6px;
    }

    .capture-card {
        flex-direction: row;
        border-radius: 8px;
        gap: 10px;
        margin-bottom: 10px;
        overflow: visible;
        position: static;
    }

    .capture-card--detail {
        display: grid;
        grid-template-columns: minmax(0, 11fr) minmax(0, 9fr);
        column-gap: 10px;
        row-gap: 2px;
        align-items: start;
    }

    .capture-card--detail .capture-card__image-container {
        width: 100%;
    }

    .capture-card--detail .capture-card__body {
        width: 100%;
        margin-left: 0;
    }

    .capture-card--detail .card-header {
        grid-column: 1 / -1;
        width: 100%;
        margin-bottom: 2px;
    }

    .card-header .metadata-subsection-title {
        margin-bottom: 0;
    }

    .capture-card--detail .card-footer {
        grid-column: 1 / -1;
        width: 100%;
        margin-top: 2px;
    }

    .capture-card--detail .capture-card__annotation-block {
        margin-top: 0;
        margin-bottom: 0;
    }

    .capture-card__image-container {
        width: 55%;
        align-items: start;
        border-radius: 8px;
    }

    .capture-card__image-link {
        display: inline-block;
        width: auto;
        max-width: 100%;
        border: 1px solid var(--color-stroke-soft);
    }

    .capture-card__image-link:hover {
        border-color: var(--color-stroke);
    }

    .capture-card__image {
        width: auto;
        max-width: 100%;
        max-height: 540px;
    }

    .capture-card__body {
        width: 45%;
        margin-left: 10px;
        padding: 0;
    }

    .metadata-card .capture-card__body {
        width: 100%;
        margin-left: 0;
    }

    .pill-group--scroll {
        flex-wrap: wrap;
        overflow-x: visible;
    }
}