/* ABOUTME: Styles for /design, pollen's design system shown as a rack of seed packets */
/* ABOUTME: Packets are glass cards on cream; the open one drops its back in as a full-width row beneath its own row */

.design-page {
    max-width: 1120px;
    margin: 0 auto;
    caret-color: var(--accent);
    accent-color: var(--accent);
}

.design-page ::selection {
    background: color-mix(in srgb, var(--amber) 32%, transparent);
    color: var(--text);
}

/* =============================================
   INTRO
   ============================================= */

.design-intro {
    max-width: 62ch;
    margin-bottom: var(--space-2xl);
}

.design-intro h1 {
    font-family: var(--font-display);
    font-weight: var(--font-weight-light);
    font-size: clamp(2.5rem, 5.5vw, 3.75rem);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    text-wrap: balance;
    margin-bottom: var(--space-md);
}

.design-intro p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    text-wrap: pretty;
}

/* =============================================
   THE RACK
   Cards sit on odd rows, backs on even rows. Each packet carries its
   1-based index in --i, so a card lands on row 2*ceil(i/cols)-1 and its
   back on the row right after its own row of cards.
   ============================================= */

.rack {
    --cols: 3;
    display: grid;
    grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
    column-gap: var(--space-lg);
    row-gap: 0;
    align-items: start;
}

.packet {
    display: contents;
}

.packet > .card {
    grid-row: calc(2 * round(up, var(--i) / var(--cols), 1) - 1);
    margin-bottom: var(--space-lg);
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-md), var(--glass-shadow-inset);
    overflow: clip;
    scroll-margin-top: var(--space-3xl);
    transition:
        translate var(--duration-slow) var(--ease-spring),
        box-shadow var(--duration-slow) var(--ease-spring);
}

.packet > .card:has(details:not([open])):hover {
    translate: 0 -2px;
    box-shadow: var(--shadow-lg), var(--glass-shadow-inset);
}

.packet > .card:has(details[open]) {
    box-shadow: var(--shadow-lg), var(--glass-shadow-inset);
}

/* The world's shimmer border, fading in on hover and staying on the open packet */
.packet > .card::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: var(--card-radius);
    padding: 1px;
    background: var(--shimmer-gradient);
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--duration-slow) var(--ease-spring);
}

.packet > .card:hover::after,
.packet > .card:has(details[open])::after {
    opacity: 0.8;
}

/* The face: the picture on the front of the packet, above the tear line */
.face {
    position: relative;
    aspect-ratio: 4 / 3;
    display: grid;
    place-items: center;
    padding: var(--space-lg);
    background: var(--gradient-cream);
    border-bottom: 1px dashed color-mix(in srgb, var(--amber) 38%, transparent);
    /* The wet edge: the world's inset highlight plus a soft sheen falling from the top */
    box-shadow:
        var(--glass-shadow-inset),
        inset 0 24px 32px -24px rgba(255, 255, 255, 0.9);
    overflow: clip;
}

.face.clickable {
    cursor: pointer;
}

.stamp {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-family: var(--font-body);
    font-size: var(--font-size-2xl);
    line-height: 1;
}

/* The name row doubles as the handle that opens the packet */
.packet details > summary {
    list-style: none;
    cursor: pointer;
    padding: var(--space-lg);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
        "name ring"
        "kind ring"
        "sow  sow";
    column-gap: var(--space-md);
    border-radius: var(--radius);
}

.packet details > summary::-webkit-details-marker {
    display: none;
}

.packet details > summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -8px;
    box-shadow: none;
}

.packet summary h2 {
    grid-area: name;
    font-family: var(--font-display);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-2xl);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    margin: 0;
}

.packet .kind {
    grid-area: kind;
    margin-top: var(--space-xs);
    font-size: var(--font-size-xs);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--text-secondary);
}

.packet .sow {
    grid-area: sow;
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--text-secondary);
    text-wrap: pretty;
}

.ring {
    grid-area: ring;
    align-self: start;
    position: relative;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-round);
    border: 1px solid color-mix(in srgb, var(--amber) 50%, transparent);
    transition:
        rotate var(--duration-slow) var(--ease-spring),
        background var(--duration) var(--ease);
}

.ring::before,
.ring::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 1.5px;
    border-radius: 1px;
    background: var(--accent);
    translate: -50% -50%;
}

.ring::after {
    rotate: 90deg;
}

.packet summary:hover .ring,
.face.clickable:hover ~ details .ring {
    background: var(--tint-warm);
}

.packet details[open] .ring {
    rotate: 45deg;
    background: var(--tint-warm);
}

/* =============================================
   THE BACK: a full-width row beneath the packet's own row
   ============================================= */

.packet > .back {
    grid-column: 1 / -1;
    grid-row: calc(2 * round(up, var(--i) / var(--cols), 1));
    display: none;
    margin-bottom: var(--space-lg);
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-top: 1px dashed color-mix(in srgb, var(--amber) 38%, transparent);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-md), var(--glass-shadow-inset);
    scroll-margin-top: var(--space-3xl);
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    column-gap: var(--space-2xl);
    align-items: start;
    transition:
        opacity var(--duration-slow) var(--ease-spring),
        translate var(--duration-slow) var(--ease-spring),
        display var(--duration-slow) allow-discrete;
}

.packet:has(details[open]) > .back {
    display: grid;
    opacity: 1;
    translate: 0 0;

    @starting-style {
        opacity: 0;
        translate: 0 -8px;
    }
}

.back .why {
    grid-column: 1;
    margin-bottom: var(--space-lg);
    text-wrap: pretty;
}

.rules {
    grid-column: 2;
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr);
    gap: var(--space-sm) var(--space-lg);
    margin-bottom: var(--space-lg);
}

.rules dt {
    font-family: var(--font-display);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    line-height: 1.5;
}

.rules dd {
    margin: 0;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--text-secondary);
    text-wrap: pretty;
}

.back > .demo-note,
.back > .demo-buttons,
.back > .demo-inputs,
.back > .demo-small,
.back > .demo-poppy,
.back > .demo-cards,
.back > .sections {
    grid-column: 1 / -1;
}

.demo-note {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: var(--space-md) 0 var(--space-lg);
    text-wrap: pretty;
}

.demo-note code {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--text);
}

.demo-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.demo-buttons button[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

.demo-inputs {
    display: grid;
    gap: var(--space-md);
    max-width: 48ch;
}

.demo-inputs label span {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-xs);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--text-secondary);
}

.demo-small {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-lg);
}

.demo-small p {
    margin: 0;
}

.demo-poppy {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.demo-poppy img {
    display: block;
    flex: none;
}

.demo-poppy .demo-note {
    flex: 1 1 24ch;
    margin: 0;
}

.demo-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: var(--space-lg);
    margin: var(--space-lg) 0 var(--space-sm);
}

/* Token tables, two up when there is room */
.sections {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr));
    column-gap: var(--space-2xl);
    align-items: start;
}

.tokens {
    margin-top: var(--space-xl);
}

.tokens h3 {
    font-family: var(--font-display);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.tokens table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    font-variant-numeric: tabular-nums;
}

.tokens tbody tr {
    border-top: 1px solid color-mix(in srgb, var(--amber) 14%, transparent);
    transition: background var(--duration-fast) var(--ease);
}

.tokens tbody tr:hover,
.tokens tbody tr:focus-within {
    background: var(--tint-warm);
}

.tokens th,
.tokens td {
    padding: var(--space-sm);
    text-align: left;
    vertical-align: middle;
}

.tokens th {
    width: 42%;
    font-weight: var(--font-weight-normal);
}

.tokens .val {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    overflow-wrap: anywhere;
}

/* Token names: plain code, upgraded to a copy button when scripts run */
.tok {
    display: inline;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--text);
    background: none;
    border: 0;
    padding: 2px 6px;
    margin: -2px -6px;
    border-radius: var(--radius-sm);
    box-shadow: none;
    letter-spacing: 0;
    line-height: inherit;
    white-space: nowrap;
    transition: background var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease);
}

button.tok {
    position: relative;
    cursor: copy;
}

button.tok:hover,
button.tok:focus-visible {
    background: color-mix(in srgb, var(--amber) 16%, transparent);
    color: var(--accent-hover);
    border: 0;
    box-shadow: none;
}

button.tok:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

button.tok[data-copied]::after {
    content: "copied 🌱";
    position: absolute;
    left: 100%;
    top: 50%;
    translate: var(--space-sm) -50%;
    white-space: nowrap;
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    color: color-mix(in srgb, var(--sage) 65%, var(--text));
    animation: copied-in var(--duration-slow) var(--ease-spring) both;
}

@keyframes copied-in {
    from { opacity: 0; translate: 0 -50%; }
    to { opacity: 1; translate: var(--space-sm) -50%; }
}

/* =============================================
   PREVIEWS: each swatch is driven by the token itself
   ============================================= */

.pv {
    width: 1%;
    white-space: nowrap;
}

.pv-box {
    display: block;
}

.pv[data-preview="swatch"] .pv-box {
    width: 44px;
    height: 24px;
    border-radius: var(--radius-sm);
    background: var(--pv);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--text) 12%, transparent);
}

.pv[data-preview="shadow"] .pv-box {
    width: 44px;
    height: 24px;
    margin: 6px 0;
    border-radius: var(--radius-sm);
    background: var(--cream);
    box-shadow: var(--pv);
}

.pv[data-preview="radius"] .pv-box {
    width: 44px;
    height: 28px;
    border: 1.5px solid var(--accent);
    border-radius: var(--pv);
}

.pv[data-preview="blur"] .pv-box,
.pv[data-preview="filter"] .pv-box {
    width: 28px;
    height: 28px;
    margin: 0 8px;
    border-radius: var(--radius-round);
    background: var(--accent);
}

.pv[data-preview="blur"] .pv-box {
    filter: blur(var(--pv));
}

.pv[data-preview="filter"] .pv-box {
    filter: var(--pv);
}

.pv[data-preview="font"] .pv-box::before,
.pv[data-preview="size"] .pv-box::before,
.pv[data-preview="weight"] .pv-box::before,
.pv[data-preview="tracking"] .pv-box::before,
.pv[data-preview="leading"] .pv-box::before,
.pv[data-preview="content"] .pv-box::before {
    display: block;
    line-height: 1;
    color: var(--text);
}

.pv[data-preview="font"] .pv-box::before {
    content: "Aa";
    font-family: var(--pv);
    font-size: var(--font-size-xl);
}

.pv[data-preview="size"] .pv-box::before {
    content: "Aa";
    font-family: var(--font-display);
    font-size: var(--pv);
}

.pv[data-preview="weight"] .pv-box::before {
    content: "Aa";
    font-family: var(--font-display);
    font-weight: var(--pv);
    font-size: var(--font-size-xl);
}

.pv[data-preview="tracking"] .pv-box::before {
    content: "pollen";
    font-family: var(--font-body);
    letter-spacing: var(--pv);
}

.pv[data-preview="leading"] .pv-box::before {
    content: "aa\A aa";
    white-space: pre;
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    line-height: var(--pv);
}

.pv[data-preview="content"] .pv-box::before {
    content: var(--pv);
    font-family: var(--font-body);
    font-size: var(--font-size-xl);
}

.pv[data-preview="space"] .pv-box {
    width: var(--pv);
    height: 8px;
    border-radius: 2px;
    background: var(--accent);
}

.pv[data-preview="padding"] .pv-box {
    width: max-content;
    padding: var(--pv);
    border-radius: 3px;
    background: color-mix(in srgb, var(--amber) 16%, transparent);
}

.pv[data-preview="padding"] .pv-box::before {
    content: "";
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--accent);
}

.pv[data-preview="ease"] .pv-box,
.pv[data-preview="duration"] .pv-box {
    position: relative;
    width: 72px;
    height: 12px;
    border-radius: var(--radius-round);
    background: color-mix(in srgb, var(--amber) 16%, transparent);
}

.pv[data-preview="ease"] .pv-box::before,
.pv[data-preview="duration"] .pv-box::before {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-round);
    background: var(--accent);
}

.pv[data-preview="ease"] .pv-box::before {
    transition: translate 700ms var(--pv);
}

.pv[data-preview="duration"] .pv-box::before {
    transition: translate var(--pv) var(--ease-spring);
}

.tokens tr:hover .pv[data-preview="ease"] .pv-box::before,
.tokens tr:hover .pv[data-preview="duration"] .pv-box::before,
.tokens tr:focus-within .pv[data-preview="ease"] .pv-box::before,
.tokens tr:focus-within .pv[data-preview="duration"] .pv-box::before {
    translate: 60px 0;
}

/* =============================================
   SPECIMENS: the picture on each packet's face
   ============================================= */

.sp {
    display: grid;
    place-items: center;
    width: 100%;
}

.sp-blooms {
    display: flex;
    justify-content: center;
}

.sp-blooms i {
    display: block;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-round);
    background: var(--c);
    box-shadow: var(--shadow-sm), inset 0 0 0 1px color-mix(in srgb, var(--text) 10%, transparent);
    margin-left: -14px;
}

.sp-blooms i:first-child {
    margin-left: 0;
}

.sp-blooms i:nth-child(even) {
    translate: 0 -14px;
}

.sp-voice {
    text-align: center;
    gap: var(--space-xs);
}

.sp-voice-display {
    font-family: var(--font-display);
    font-weight: var(--font-weight-light);
    font-size: var(--font-size-5xl);
    line-height: 1;
    letter-spacing: var(--letter-spacing-tight);
}

.sp-voice-body {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.sp-voice-glyph {
    font-family: var(--font-body);
    font-size: var(--font-size-2xl);
    line-height: 1;
    margin-top: var(--space-xs);
}

#paper .face {
    background: var(--gradient-garden);
}

.sp-paper {
    position: relative;
    height: 156px;
    width: 188px;
}

.sp-paper i {
    position: absolute;
    display: block;
    width: 100px;
    height: 100px;
    background: var(--surface);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--s), var(--glass-shadow-inset);
}

.sp-paper i:nth-child(1) { left: 0; top: 56px; }
.sp-paper i:nth-child(2) { left: 44px; top: 28px; }
.sp-paper i:nth-child(3) { left: 88px; top: 0; }

.sp-shape i {
    display: block;
    border: 1.5px solid var(--accent);
    border-radius: var(--r);
    padding: var(--g);
}

.sp-shape > i {
    border-color: color-mix(in srgb, var(--amber) 55%, transparent);
}

.sp-shape i i i i {
    width: 16px;
    height: 16px;
    padding: 0;
    background: var(--accent);
    border: 0;
}

.sp-motion {
    position: relative;
    width: 140px;
    height: 140px;
}

.sp-curve {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.sp-curve path {
    stroke: color-mix(in srgb, var(--amber) 55%, transparent);
    stroke-width: 2;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
}

.sp-seed {
    position: absolute;
    left: -10px;
    bottom: -12px;
    font-family: var(--font-body);
    font-size: var(--font-size-2xl);
    line-height: 1;
    transition: translate 0.9s var(--ease-spring);
}

.card:hover .sp-seed,
.card:focus-within .sp-seed {
    translate: 140px -140px;
}

.sp-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

.sp-inputs {
    gap: var(--space-sm);
    max-width: 260px;
}

.sp-inputs textarea {
    min-height: 0;
    resize: none;
}

.sp-small {
    grid-auto-flow: column;
    gap: var(--space-lg);
}

.sp-poppy {
    display: block;
    width: 56px;
    height: 56px;
}

.sp-link {
    font-size: var(--font-size-lg);
    text-decoration: underline;
    text-decoration-color: var(--link-underline);
    text-underline-offset: 0.2em;
}

.sp-avatar {
    display: block;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-round);
    background: var(--avatar-bg);
    box-shadow: var(--avatar-shadow);
}

.sp-avatar-lg {
    width: 64px;
    height: 64px;
}

#cards .face {
    aspect-ratio: auto;
    align-items: start;
    padding: var(--space-md) var(--space-md) 0;
}

#cards .face pollen-post {
    width: 100%;
    pointer-events: none;
}

.sp-garden {
    position: relative;
    width: 180px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    padding-top: 64px;
}

.sp-garden i {
    display: block;
}

.sp-banner {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--gradient-sunset);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--amber) 20%, transparent);
}

.sp-garden-avatar {
    position: absolute;
    top: 26px;
    left: 50%;
    width: 36px;
    height: 36px;
    translate: -50% 0;
    border-radius: var(--radius-round);
    background: var(--avatar-bg);
    box-shadow: 0 0 0 3px var(--cream), var(--avatar-shadow);
}

.sp-col {
    height: 56px;
    border-radius: var(--radius-sm);
    background: var(--surface);
    border: 1px solid var(--surface-border);
    box-shadow: var(--shadow-sm);
}

/* =============================================
   CODA
   ============================================= */

.design-coda {
    margin-top: var(--space-2xl);
    text-align: center;
}

.design-coda .design-note {
    max-width: 52ch;
    margin: 0 auto var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-wrap: pretty;
}

.design-coda p:last-child {
    max-width: 40ch;
    margin: 0 auto;
    font-family: var(--font-display);
    font-weight: var(--font-weight-light);
    font-size: var(--font-size-xl);
    line-height: 1.4;
    color: var(--text-secondary);
    text-wrap: balance;
}

/* =============================================
   RESPONSIVE
   ============================================= */

/* Three across leaves a tenth packet alone on the last row: lay that one landscape */
@media (min-width: 961px) {
    .packet:nth-child(3n + 1):last-child > .card {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
        align-items: center;
    }

    .packet:nth-child(3n + 1):last-child .face {
        aspect-ratio: auto;
        align-self: stretch;
        border-bottom: 0;
        border-right: 1px dashed color-mix(in srgb, var(--amber) 38%, transparent);
    }

    .packet:nth-child(3n + 1):last-child summary {
        padding: var(--space-xl);
    }
}

@media (max-width: 960px) {
    .rack {
        --cols: 2;
    }
}

@media (max-width: 720px) {
    .packet > .back {
        grid-template-columns: minmax(0, 1fr);
        padding: var(--space-lg) var(--space-md) var(--space-md);
    }

    .back .why,
    .rules {
        grid-column: 1;
    }

    .rules {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-xs) 0;
    }

    .rules dd {
        margin-bottom: var(--space-sm);
    }

    /* One token per block: name and swatch on a line, value beneath, so a
       copied name is one unbroken string */
    .tokens tbody tr {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        column-gap: var(--space-sm);
        padding: var(--space-xs) 0;
    }

    .tokens th,
    .tokens td {
        padding: var(--space-xs) var(--space-xs);
        width: auto;
    }

    .tokens th {
        grid-column: 1;
        grid-row: 1;
        overflow-x: auto;
    }

    .tokens .pv {
        grid-column: 2;
        grid-row: 1;
    }

    .tokens .val {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .packet details > summary {
        padding: var(--space-md);
    }
}

@media (max-width: 640px) {
    .rack {
        --cols: 1;
    }
}