:root {
    --color-background: #fcfcfb;
    --color-surface: #ffffff;
    --color-text: #191919;
    --color-text-muted: #6f6f6b;
    --color-border: #e7e7e3;
    --container-width: 72rem;
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 4rem;
    --radius: 0.5rem;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    color-scheme: light;
    font-family: "Noto Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-background);
    color: var(--color-text);
}

a {
    color: inherit;
}

.container {
    width: min(100% - 2rem, var(--container-width));
    margin-inline: auto;
}

.site-header {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

.site-nav {
    min-height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.site-nav__link {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 650;
    text-decoration: none;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
    color: var(--color-text);
}

.wordmark {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-decoration: none;
}
.wordmark img { display: block; height: 2.25rem; }
.wordmark--admin { display: flex; align-items: center; gap: .65rem; }
.wordmark--admin span { padding-left: .65rem; border-left: 1px solid var(--color-border); color: var(--color-text-muted); font-size: .875rem; }

.site-main {
    flex: 1;
}

.intro {
    max-width: 38rem;
    padding-block: clamp(2rem, 5vw, 3.75rem);
}

.eyebrow {
    margin: 0 0 var(--space-2);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(2.25rem, 7vw, 4.75rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
}
.intro h1 { font-size: clamp(1.9rem, 5vw, 3.5rem); }

.intro > p:last-child {
    margin: var(--space-3) 0 0;
    color: var(--color-text-muted);
    font-size: clamp(1rem, 2vw, 1.25rem);
}

.palette-section {
    padding-bottom: clamp(4rem, 9vw, 7rem);
}

.section-heading {
    margin-bottom: var(--space-3);
}

.section-heading .eyebrow {
    margin-bottom: var(--space-1);
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 1.15;
    letter-spacing: -0.035em;
}

.public-filter {
    display: grid;
    gap: .9rem;
    margin-bottom: var(--space-3);
}
.filter-group { display: grid; grid-template-columns: 3.75rem minmax(0, 1fr); align-items: start; gap: .5rem; }
.filter-group__label {
    padding-top: .4rem;
    color: var(--color-text-muted);
    font-size: .8125rem;
    font-weight: 650;
}
.filter-options { display: flex; flex-wrap: wrap; gap: .35rem; }
.filter-button { display: inline-flex; align-items: center; min-height: 1.95rem; padding: .3rem .55rem; border: 1px solid #cfcfca; border-radius: .35rem; background: #fff; box-shadow: 0 2px 0 #cfcfca; color: var(--color-text-muted); font-size: .75rem; font-weight: 650; line-height: 1.2; text-decoration: none; white-space: nowrap; transition: transform 100ms ease, box-shadow 100ms ease, background 100ms ease; }
.filter-button:hover, .filter-button:focus-visible { color: var(--color-text); background: #f7f7f4; }
.filter-button:active { transform: translateY(2px); box-shadow: 0 0 0 #cfcfca; }
.filter-button.is-active { border-color: var(--color-text); background: var(--color-text); box-shadow: 0 2px 0 #000; color: #fff; }

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

.palette-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.palette-card:hover {
    border-color: #d2d2cc;
    box-shadow: 0 0.5rem 1.25rem rgba(25, 25, 25, 0.06);
    transform: translateY(-2px);
}

.palette-card__link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.palette-card__link:focus-visible {
    outline: 3px solid var(--color-text);
    outline-offset: -3px;
}

.palette-mosaic {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(12, 1fr);
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-border);
}

.palette-mosaic__tile {
    position: relative;
    min-width: 0;
    min-height: 0;
    background: var(--tile-color);
}

.palette-mosaic__tile::after {
    content: attr(data-hex);
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    padding: .3rem .5rem;
    border-radius: .25rem;
    background: rgba(17, 17, 17, .82);
    color: #fff;
    font: 600 .72rem/1 "Noto Sans", sans-serif;
    letter-spacing: .02em;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -40%);
    transition: opacity 120ms ease, transform 120ms ease;
}

.palette-mosaic__tile:hover::after {
    opacity: 1;
    transform: translate(-50%, -50%);
}

.palette-mosaic--2 .palette-mosaic__tile--rank-1 { grid-area: 1 / 1 / 13 / 8; }
.palette-mosaic--2 .palette-mosaic__tile--rank-2 { grid-area: 1 / 8 / 13 / 13; }

.palette-mosaic--3 .palette-mosaic__tile--rank-1 { grid-area: 1 / 1 / 13 / 8; }
.palette-mosaic--3 .palette-mosaic__tile--rank-2 { grid-area: 1 / 8 / 8 / 13; }
.palette-mosaic--3 .palette-mosaic__tile--rank-3 { grid-area: 8 / 8 / 13 / 13; }

.palette-mosaic--4 .palette-mosaic__tile--rank-1 { grid-area: 1 / 1 / 7 / 13; }
.palette-mosaic--4 .palette-mosaic__tile--rank-2 { grid-area: 7 / 1 / 13 / 9; }
.palette-mosaic--4 .palette-mosaic__tile--rank-3 { grid-area: 7 / 9 / 10 / 13; }
.palette-mosaic--4 .palette-mosaic__tile--rank-4 { grid-area: 10 / 9 / 13 / 13; }

.palette-mosaic--5 .palette-mosaic__tile--rank-1 { grid-area: 1 / 1 / 8 / 8; }
.palette-mosaic--5 .palette-mosaic__tile--rank-2 { grid-area: 1 / 8 / 7 / 13; }
.palette-mosaic--5 .palette-mosaic__tile--rank-3 { grid-area: 8 / 1 / 13 / 6; }
.palette-mosaic--5 .palette-mosaic__tile--rank-4 { grid-area: 8 / 6 / 13 / 9; }
.palette-mosaic--5 .palette-mosaic__tile--rank-5 { grid-area: 7 / 9 / 13 / 13; }

.palette-mosaic--6 .palette-mosaic__tile--rank-1 { grid-area: 1 / 1 / 8 / 8; }
.palette-mosaic--6 .palette-mosaic__tile--rank-2 { grid-area: 1 / 8 / 7 / 13; }
.palette-mosaic--6 .palette-mosaic__tile--rank-3 { grid-area: 8 / 1 / 13 / 5; }
.palette-mosaic--6 .palette-mosaic__tile--rank-4 { grid-area: 8 / 5 / 13 / 8; }
.palette-mosaic--6 .palette-mosaic__tile--rank-5 { grid-area: 7 / 8 / 13 / 11; }
.palette-mosaic--6 .palette-mosaic__tile--rank-6 { grid-area: 7 / 11 / 13 / 13; }

.palette-card__meta {
    min-height: 8.75rem;
    padding: var(--space-2);
}

.palette-card__meta--compact { min-height: 4.5rem; }

.palette-card__title,
.palette-card__meta p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.palette-card__title {
    margin: 0;
    font-size: 1rem;
    line-height: 1.35;
    letter-spacing: -0.015em;
}

.palette-card__meta p {
    margin: 0.35rem 0 0;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

.palette-card__id {
    font-weight: 600;
}

.palette-card__moods {
    font-style: italic;
}

.empty-state,
.public-notice {
    margin: 0;
    padding: clamp(3rem, 8vw, 5rem) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text-muted);
    text-align: center;
}

.empty-state p {
    margin: 0;
}

.empty-state a {
    display: inline-block;
    margin-top: var(--space-2);
    color: var(--color-text);
    font-weight: 650;
}

.public-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding-top: var(--space-4);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.public-pagination a {
    color: var(--color-text);
    font-weight: 650;
}

.palette-detail {
    max-width: 58rem;
    margin-inline: auto;
    padding-block: clamp(2rem, 7vw, 5rem) clamp(4rem, 9vw, 7rem);
}

.palette-detail__back {
    display: inline-block;
    margin-bottom: var(--space-4);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 650;
    text-decoration: none;
}

.palette-detail__back:hover,
.palette-detail__back:focus-visible {
    color: var(--color-text);
    text-decoration: underline;
}

.palette-detail__header {
    margin-bottom: var(--space-4);
}

.palette-detail__header h1,
.public-status h1 {
    font-size: clamp(2.25rem, 7vw, 3.5rem);
}

.palette-detail__id,
.palette-detail__summary {
    margin: var(--space-2) 0 0;
    color: var(--color-text-muted);
}

.palette-detail__summary + .palette-detail__summary {
    margin-top: 0.25rem;
}

.palette-detail__summary--moods {
    font-style: italic;
}

.palette-detail__mosaic {
    border-radius: var(--radius);
}

.palette-view-toggle {
    display: none;
    justify-content: flex-end;
    gap: .35rem;
    margin-bottom: .75rem;
}

.js .palette-view-toggle { display: flex; }

.palette-view-toggle__button {
    min-height: 2.1rem;
    padding: .35rem .7rem;
    border: 1px solid var(--color-border);
    border-radius: .35rem;
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-size: .75rem;
    font-weight: 650;
}

.palette-view-toggle__button:hover,
.palette-view-toggle__button:focus-visible { border-color: var(--color-text-muted); color: var(--color-text); }

.palette-view-toggle__button.is-active { border-color: var(--color-text); background: var(--color-text); color: #fff; }

.palette-detail__mosaic.is-equal { display: flex; }
.palette-detail__mosaic.is-equal .palette-mosaic__tile { flex: 1 1 0; grid-area: auto; }

.palette-detail__section {
    margin-top: clamp(3rem, 8vw, 5rem);
}

.palette-detail__section h2 {
    margin: 0 0 var(--space-3);
    font-size: clamp(1.5rem, 4vw, 2rem);
    letter-spacing: -0.025em;
}

.palette-detail__colors {
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
}

.palette-color-row {
    display: grid;
    grid-template-columns: 2.25rem minmax(6.5rem, 1fr) minmax(10rem, 1fr) auto;
    align-items: center;
    gap: var(--space-2);
    min-height: 4rem;
    padding: 0.75rem var(--space-2);
}

.palette-color-row + .palette-color-row {
    border-top: 1px solid var(--color-border);
}

.palette-color-swatch {
    width: 2.25rem;
    aspect-ratio: 1;
    border: 1px solid rgba(25, 25, 25, 0.1);
    border-radius: 50%;
    background: var(--swatch-color);
}

.palette-color-hex {
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-weight: 650;
}

.palette-color-usage {
    display: inline-flex;
    align-items: baseline;
    gap: .4rem;
    color: var(--color-text-muted);
}

.palette-color-role { font-size: .875rem; }
.palette-color-separator { color: #aaa; }

.color-copy {
    display: none;
    grid-column: 4;
    min-width: 4.75rem;
    min-height: 2.75rem;
    padding: 0.5rem 0.75rem;
    border-color: var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.8125rem;
    transition: border-color 120ms ease, background-color 120ms ease;
}

.js .color-copy {
    display: inline-block;
}

.color-copy:hover {
    border-color: var(--color-text-muted);
    background: var(--color-background);
}

.color-copy:focus-visible {
    outline: 3px solid var(--color-text);
    outline-offset: 2px;
}

.color-copy[data-copy-state="success"],
.color-copy[data-copy-state="error"] {
    background: var(--color-background);
}

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

.palette-detail__facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.palette-recommendations {
    margin-top: clamp(4rem, 10vw, 7rem);
    padding-top: clamp(2rem, 5vw, 3rem);
    border-top: 1px solid var(--color-border);
}

.palette-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.palette-tags span {
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface);
    font-size: 0.875rem;
}

.palette-detail__harmony {
    margin: 0;
}

.public-status {
    max-width: 42rem;
    padding-block: clamp(5rem, 15vw, 10rem);
}

.public-status > p:not(.eyebrow) {
    margin: var(--space-3) 0;
    color: var(--color-text-muted);
}

.site-footer {
    padding-block: var(--space-3);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.site-footer p {
    margin: 0;
}

@media (min-width: 48rem) {
    .container {
        width: min(100% - 4rem, var(--container-width));
    }

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

@media (min-width: 68rem) {
    .palette-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 24rem) {
    .palette-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 36rem) {
    .public-filter {
        align-items: stretch;
        flex-direction: column;
    }

    .filter-group { grid-template-columns: 1fr; gap: .35rem; }
    .filter-group__label { padding-top: 0; }

    .palette-detail__facts {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .palette-color-row {
        grid-template-columns: 2rem minmax(0, 1fr) auto auto;
        gap: 0.75rem;
    }

    .palette-color-swatch {
        width: 2rem;
    }

    .palette-color-usage {
        grid-column: 2 / 4;
        margin-top: -0.5rem;
        font-size: 0.8125rem;
    }

    .palette-color-role { font-size: .8125rem; }

    .color-copy {
        grid-column: 4;
        grid-row: 1 / 3;
        align-self: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .palette-card {
        transition: none;
    }
}

.admin-body {
    background: var(--color-background);
}

.auth-main {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: var(--space-3);
}

.auth-card {
    width: min(100%, 26rem);
    padding: clamp(1.5rem, 6vw, 2.5rem);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
}

.auth-card .eyebrow {
    margin-top: var(--space-4);
}

.auth-title,
.admin-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    letter-spacing: -0.035em;
}

.auth-form {
    display: grid;
    gap: 0.75rem;
    margin-top: var(--space-4);
}

.auth-form label {
    font-size: 0.875rem;
    font-weight: 650;
}

.auth-form input {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-background);
    color: var(--color-text);
    font: inherit;
}

.auth-form input:focus {
    border-color: var(--color-text-muted);
    outline: 2px solid transparent;
}

button {
    min-height: 2.75rem;
    padding: 0.625rem 1rem;
    border: 1px solid var(--color-text);
    border-radius: var(--radius);
    background: var(--color-text);
    color: var(--color-surface);
    cursor: pointer;
    font: inherit;
    font-weight: 650;
}

.button-secondary {
    min-height: auto;
    border-color: var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
}

.alert {
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.875rem;
}

.alert-error {
    background: var(--color-background);
}

.admin-nav {
    min-height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.admin-nav form {
    margin: 0;
}

.admin-welcome {
    padding-block: clamp(3rem, 10vw, 6rem);
}

.admin-welcome > p:last-child {
    color: var(--color-text-muted);
}

.admin-links,.page-heading,.filter-bar,.stat-grid,.color-row,.choice-grid{display:flex;align-items:center;gap:var(--space-2)}
.admin-links form{margin:0}.admin-links a{text-decoration:none}.page-heading{justify-content:space-between;padding-block:var(--space-4)}
.button-link{display:inline-block;padding:.7rem 1rem;border-radius:var(--radius);background:var(--color-text);color:white;text-decoration:none;font-weight:650}
.button-link--secondary{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text)}
.stat-grid{margin:var(--space-3) 0}.stat-grid div{min-width:8rem;padding:var(--space-3);border:1px solid var(--color-border);background:var(--color-surface)}.stat-grid strong,.stat-grid span{display:block}.stat-grid strong{font-size:2rem}
.muted{color:var(--color-text-muted)}.filter-bar{align-items:end;flex-wrap:wrap;margin-bottom:var(--space-3)}label{display:grid;gap:.35rem}input,select{min-height:2.6rem;padding:.5rem;border:1px solid var(--color-border);border-radius:var(--radius);background:white;font:inherit}
.bulk-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:.65rem;padding:.75rem;margin-bottom:.75rem;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface)}.bulk-selection{min-width:5.5rem;color:var(--color-text-muted);font-size:.875rem;font-weight:650}.bulk-toolbar select{min-width:9rem}.bulk-toolbar button:disabled{cursor:not-allowed;opacity:.45}.select-cell{width:2.75rem;text-align:center!important}.select-cell input{width:1.05rem;height:1.05rem;min-height:0}.alert-error{background:#fff1f1;color:#7f1d1d}
.table-wrap{overflow-x:auto}.palette-table{width:100%;border-collapse:collapse;background:white}.palette-table th,.palette-table td{padding:.75rem;border-bottom:1px solid var(--color-border);text-align:left;vertical-align:middle;font-size:.875rem}.palette-preview{display:flex;width:8rem;height:2.5rem;border-radius:.25rem}.palette-preview span{position:relative;flex:1}.palette-preview span:first-child{border-radius:.25rem 0 0 .25rem}.palette-preview span:last-child{border-radius:0 .25rem .25rem 0}.palette-preview span::after{content:attr(data-hex);position:absolute;left:50%;bottom:calc(100% + .45rem);z-index:5;padding:.3rem .45rem;border-radius:.25rem;background:#191919;color:#fff;font-size:.7rem;font-weight:600;opacity:0;pointer-events:none;transform:translate(-50%,.2rem);transition:opacity 120ms ease,transform 120ms ease;white-space:nowrap}.palette-preview span:hover::after{opacity:1;transform:translate(-50%,0)}
.pagination{display:flex;justify-content:center;gap:var(--space-2);padding:var(--space-4)}.palette-form{padding-bottom:var(--space-5)}.palette-form fieldset{margin:var(--space-3) 0;padding:var(--space-3);border:1px solid var(--color-border)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-3)}.color-row{display:grid;grid-template-columns:2rem 1fr 1fr 1fr;margin-bottom:var(--space-2)}.choice-grid{align-items:start}.choice-grid fieldset{flex:1}.check{display:block;margin:.5rem 0}.check input{min-height:auto}.delete-form{padding:var(--space-3) 0 var(--space-5);border-top:1px solid var(--color-border)}.button-danger{background:#7f1d1d;border-color:#7f1d1d}.alert-success{background:#f0f7f1}
@media(max-width:48rem){.form-grid{grid-template-columns:1fr}.color-row{grid-template-columns:1fr}.choice-grid,.stat-grid{align-items:stretch;flex-direction:column}.page-heading{align-items:flex-start;flex-direction:column}}

.import-panel,.import-preview{margin-bottom:var(--space-5);padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface)}
.import-panel h2,.import-preview h2{margin:0;font-size:1.5rem}.import-upload-form{display:flex;align-items:end;gap:var(--space-2);margin-top:var(--space-3)}.import-upload-form label{flex:1}
.import-status{font-size:.75rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.import-status--invalid{color:#991b1b}.import-status--duplicate{color:var(--color-text-muted)}.import-confirm-form{margin-top:var(--space-3);text-align:right}
@media(max-width:40rem){.import-upload-form{align-items:stretch;flex-direction:column}}