/*
 * Atlas: the DecryptMyPack design system.
 * Tokens and shared components live here; page layout lives in style.css.
 * Font faces are declared in style.css.
 */

:root {
    color-scheme: dark;

    /* Ground: the transparency checkerboard of a texture atlas. */
    --checker-a: #191a1a;
    --checker-b: #1e1f1f;
    --checker-size: 32px;

    /* Deepslate tiles. */
    --tile: #232524;
    --tile-raised: #2b2d2c;
    --tile-sunk: #161717;
    --tile-light: #343736;
    --edge: #0b0c0c;

    /* Ink. */
    --ink: #f2f3ef;
    --ink-2: #c3c6c0;
    --ink-3: #959892;

    /* Block swatches, each with one job. */
    --grass: #76c043;
    --grass-light: #93d862;
    --grass-dark: #3f7a1e;
    --grass-ink: #0d1a05;
    --gold: #f4c534;
    --gold-dark: #a27c10;
    --redstone: #ff5c48;
    --redstone-dark: #8f1d12;
    --diamond: #5ce3d6;
    --diamond-dark: #1d7f78;
    --dirt: #8b5a35;
    --lapis: #3e6fd0;
    --stone: #7c7f7b;

    --font-display: "Silkscreen", "Rubik", ui-sans-serif, system-ui, sans-serif;
    --font-ui: "Rubik", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-data: "JetBrains Mono", ui-monospace, "Cascadia Mono", Menlo, monospace;

    /* One pixel of the atlas grid, and the tile it builds. */
    --px: 2px;
    --unit: 4px;
    --s1: 4px;
    --s2: 8px;
    --s3: 12px;
    --s4: 16px;
    --s5: 24px;
    --s6: 32px;
    --s7: 48px;
    --s8: 64px;
    --s9: 96px;

    --step: steps(4, end);
    --fast: 120ms;
}

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

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    margin: 0;
    background-color: var(--checker-a);
    background-image: repeating-conic-gradient(var(--checker-a) 0 25%, var(--checker-b) 0 50%);
    background-size: var(--checker-size) var(--checker-size);
    color: var(--ink);
    font-family: var(--font-ui);
    font-size: 16px;
    line-height: 1.55;
    caret-color: var(--grass);
    font-synthesis: none;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0;
    text-wrap: balance;
}

/* Silkscreen sets lowercase as small caps; headings take the full capitals and the bold cut. */
h1,
h2 {
    font-weight: 700;
    text-transform: uppercase;
}

p {
    margin: 0;
    text-wrap: pretty;
}

button,
input {
    font: inherit;
    color: inherit;
}

img {
    display: block;
    max-width: 100%;
}

code,
kbd,
.data {
    font-family: var(--font-data);
    font-size: 0.875em;
    font-variant-numeric: tabular-nums;
}

::selection {
    background: var(--grass);
    color: var(--grass-ink);
}

:focus-visible {
    outline: var(--px) solid var(--ink);
    outline-offset: var(--px);
}

* {
    scrollbar-color: var(--stone) var(--tile-sunk);
}

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--tile-sunk);
}

::-webkit-scrollbar-thumb {
    background: var(--tile-light);
    border: var(--px) solid var(--tile-sunk);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--stone);
}

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

/* Wordmark and mark. */

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    line-height: 1;
    text-decoration: none;
}

.brand-mark {
    width: 28px;
    height: 28px;
    flex: none;
    shape-rendering: crispEdges;
}

.brand-mark .mark-base {
    fill: var(--ink-2);
}

.brand-mark .mark-lift {
    fill: var(--grass);
}

.brand-tld {
    color: var(--ink-3);
}

/* Drawn pixel icons share one grid and one weight. */

.icon {
    width: 16px;
    height: 16px;
    flex: none;
    fill: currentColor;
    shape-rendering: crispEdges;
}

/* Tiles: square, opaque, edged by one atlas pixel line. */

.tile {
    background: var(--tile);
    border: var(--px) solid var(--edge);
    box-shadow: inset 0 var(--px) 0 var(--tile-light);
}

.label {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink-3);
}

/* Buttons: blocks that press down by one atlas pixel. */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    min-height: 44px;
    padding: 0 var(--s4);
    border: var(--px) solid var(--edge);
    border-radius: 0;
    background: var(--tile-raised);
    box-shadow: inset 0 calc(var(--px) * -2) 0 var(--edge), inset 0 var(--px) 0 var(--tile-light);
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 400;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color var(--fast) var(--step), transform var(--fast) var(--step);
}

.btn:hover {
    background: var(--tile-light);
}

.btn:active:not(:disabled) {
    transform: translateY(var(--px));
    box-shadow: inset 0 var(--px) 0 var(--edge);
}

.btn-go {
    background: var(--grass);
    box-shadow: inset 0 calc(var(--px) * -2) 0 var(--grass-dark), inset 0 var(--px) 0 var(--grass-light);
    color: var(--grass-ink);
}

.btn-go:hover {
    background: var(--grass-light);
}

.btn-go:active:not(:disabled) {
    box-shadow: inset 0 var(--px) 0 var(--grass-dark);
}

.btn:disabled,
.btn:disabled:hover,
.btn[aria-disabled="true"] {
    cursor: not-allowed;
    color: var(--ink-3);
    background: var(--tile-sunk);
    box-shadow: none;
    transform: none;
}

.btn-quiet {
    min-height: 36px;
    padding: 0 var(--s3);
    font-size: 16px;
}

.btn-icon {
    width: 36px;
    min-height: 36px;
    padding: 0;
}

.link {
    color: var(--grass-light);
    text-decoration: underline;
    text-decoration-thickness: var(--px);
    text-underline-offset: 4px;
}

.link:hover {
    color: var(--ink);
}

/* The address slot: one field, one action. */

.slot {
    display: flex;
    align-items: stretch;
    background: var(--tile-sunk);
    border: var(--px) solid var(--edge);
    box-shadow: inset 0 var(--px) 0 #000;
}

.slot:focus-within {
    border-color: var(--grass);
}

.slot-glyph {
    display: grid;
    place-items: center;
    width: 48px;
    flex: none;
    color: var(--ink-3);
}

.slot input {
    min-width: 0;
    flex: 1;
    height: 56px;
    padding: 0 var(--s3) 0 0;
    border: 0;
    outline: 0;
    background: none;
    color: var(--ink);
    font-family: var(--font-data);
    font-size: 17px;
}

.slot input::placeholder {
    color: var(--ink-3);
}

.slot input:disabled {
    color: var(--ink-3);
}

.slot .btn {
    min-height: 56px;
    margin: 0;
    padding: 0 var(--s5);
    border-width: 0 0 0 var(--px);
    font-size: 16px;
}

/* Stage sheet: the pipeline drawn as atlas tiles that dissolve in as real stages finish. */

.stages {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--px);
    margin: 0;
    padding: var(--px);
    list-style: none;
    background: var(--edge);
}

.stage {
    display: grid;
    gap: var(--s2);
    padding: var(--s2) var(--s2) var(--s3);
    background: var(--tile-sunk);
}

.stage-tile {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: repeat(4, minmax(0, 1fr));
    aspect-ratio: 1;
    overflow: hidden;
    background-color: var(--checker-a);
    background-image: repeating-conic-gradient(#202121 0 25%, #2a2b2b 0 50%);
    background-size: 25% 25%;
}

.stage-tile i {
    display: block;
    background: transparent;
}

.stage-name {
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.1;
    color: var(--ink-3);
    text-align: center;
}

.stage[data-stage-state="active"] .stage-name {
    color: var(--gold);
}

.stage[data-stage-state="done"] .stage-name {
    color: var(--ink);
}

.stage[data-stage-state="failed"] .stage-name {
    color: var(--redstone);
}

/* A fixed shuffled order makes each tile fill like a dithered dissolve. */
.stage-tile i:nth-child(1) { --o: 5; }
.stage-tile i:nth-child(2) { --o: 12; }
.stage-tile i:nth-child(3) { --o: 1; }
.stage-tile i:nth-child(4) { --o: 9; }
.stage-tile i:nth-child(5) { --o: 14; }
.stage-tile i:nth-child(6) { --o: 3; }
.stage-tile i:nth-child(7) { --o: 7; }
.stage-tile i:nth-child(8) { --o: 0; }
.stage-tile i:nth-child(9) { --o: 10; }
.stage-tile i:nth-child(10) { --o: 15; }
.stage-tile i:nth-child(11) { --o: 2; }
.stage-tile i:nth-child(12) { --o: 6; }
.stage-tile i:nth-child(13) { --o: 11; }
.stage-tile i:nth-child(14) { --o: 4; }
.stage-tile i:nth-child(15) { --o: 13; }
.stage-tile i:nth-child(16) { --o: 8; }

.stage:nth-child(2) { --stage-delay: 1; }
.stage:nth-child(3) { --stage-delay: 2; }
.stage:nth-child(4) { --stage-delay: 3; }
.stage:nth-child(5) { --stage-delay: 4; }

.stage[data-stage-state="active"] .stage-tile i {
    background: rgb(244 197 52 / 0.22);
    animation: atlas-work 1600ms steps(1, end) infinite;
    animation-delay: calc(var(--o) * 100ms);
}

.stage[data-stage-state="done"] .stage-tile i {
    background: var(--grass);
    animation: atlas-fill 1ms steps(1, end) both;
    animation-delay: calc(var(--o) * 24ms + var(--stage-delay, 0) * 90ms);
}

/* Done tiles read as a grass block: lit top row, speckled face, shaded base. */
.stage[data-stage-state="done"] .stage-tile i:nth-child(-n + 4),
.stage[data-stage-state="done"] .stage-tile i:nth-child(6),
.stage[data-stage-state="done"] .stage-tile i:nth-child(11) {
    background: var(--grass-light);
}

.stage[data-stage-state="done"] .stage-tile i:nth-child(n + 13),
.stage[data-stage-state="done"] .stage-tile i:nth-child(8) {
    background: var(--grass-dark);
}

/* A cache hit is the one stage that fills diamond, matching the "Cached" glyph. */
.stage[data-cache-hit="true"][data-stage-state="done"] .stage-tile i {
    background: var(--diamond);
}

.stage[data-cache-hit="true"][data-stage-state="done"] .stage-tile i:nth-child(-n + 4),
.stage[data-cache-hit="true"][data-stage-state="done"] .stage-tile i:nth-child(6),
.stage[data-cache-hit="true"][data-stage-state="done"] .stage-tile i:nth-child(11) {
    background: #a6f2ea;
}

.stage[data-cache-hit="true"][data-stage-state="done"] .stage-tile i:nth-child(n + 13),
.stage[data-cache-hit="true"][data-stage-state="done"] .stage-tile i:nth-child(8) {
    background: var(--diamond-dark);
}

.stage[data-stage-state="failed"] .stage-tile i {
    background: var(--redstone);
    animation: atlas-fill 1ms steps(1, end) both;
    animation-delay: calc(var(--o) * 24ms);
}

.stage[data-stage-state="failed"] .stage-tile i:nth-child(odd) {
    background: var(--redstone-dark);
}

@keyframes atlas-fill {
    from {
        background: transparent;
    }
}

@keyframes atlas-work {
    0%,
    100% {
        background: rgb(244 197 52 / 0.22);
    }
    50% {
        background: var(--gold);
    }
}

/* Cache states: shape carries the meaning, colour confirms it. */

.cache-glyph {
    display: inline-block;
    width: 10px;
    height: 10px;
    flex: none;
    vertical-align: -1px;
}

.cache-glyph-cached {
    background: var(--diamond);
}

.cache-glyph-running {
    background: linear-gradient(to top, var(--gold) 50%, transparent 50%);
    border: var(--px) solid var(--gold);
}

.cache-glyph-uncached {
    border: var(--px) solid var(--stone);
}

.cache-glyph-failed {
    background:
        linear-gradient(45deg, transparent 40%, var(--redstone) 40% 60%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, var(--redstone) 40% 60%, transparent 60%);
}

/* Server cells: packed edge to edge like an atlas sheet. */

/* Cells draw their own edge, so a short last row leaves the checkerboard showing, not a black hole. */
.atlas-grid {
    display: grid;
    gap: var(--px);
    padding: var(--px);
}

.atlas-grid > * {
    outline: var(--px) solid var(--edge);
}

.server-cell {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    align-items: center;
    gap: var(--s3);
    min-width: 0;
    padding: var(--s3);
    border: 0;
    background: var(--tile);
    color: var(--ink);
    text-align: left;
    cursor: pointer;
    transition: background-color var(--fast) var(--step);
}

.server-cell:hover:not(:disabled) {
    background: var(--tile-raised);
}

.server-cell:focus-visible {
    outline: var(--px) solid var(--ink);
    outline-offset: calc(var(--px) * -2);
}

.server-cell:disabled {
    cursor: wait;
    color: var(--ink-3);
}

.server-cell[aria-pressed="true"],
.server-cell.is-selected {
    background: var(--tile-raised);
    box-shadow: inset 0 0 0 var(--px) var(--grass);
}

.server-icon {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border: var(--px) solid var(--edge);
    background: var(--tile-sunk);
}

.server-fallback {
    display: grid;
    place-items: center;
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    line-height: 1;
    text-transform: uppercase;
}

.server-fallback[data-block="0"] { background: var(--dirt); }
.server-fallback[data-block="1"] { background: var(--lapis); }
.server-fallback[data-block="2"] { background: #5a5d59; }
.server-fallback[data-block="3"] { background: var(--grass-dark); }
.server-fallback[data-block="4"] { background: #7a3b8f; }
.server-fallback[data-block="5"] { background: var(--diamond-dark); }

.server-copy {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.server-name {
    overflow: hidden;
    font-family: var(--font-ui);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.25;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.server-address {
    overflow: hidden;
    color: var(--ink-2);
    font-family: var(--font-data);
    font-size: 13px;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.server-meta {
    display: flex;
    align-items: center;
    gap: var(--s2);
    color: var(--ink-3);
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

/* Dialogs and notices. */

.dialog-backdrop {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: grid;
    place-items: center;
    padding: var(--s5);
    background: rgb(8 9 9 / 0.82);
}

.dialog {
    position: relative;
    width: min(460px, 100%);
    padding: var(--s6);
    background: var(--tile);
    border: var(--px) solid var(--edge);
    box-shadow: inset 0 var(--px) 0 var(--tile-light);
}

.dialog h2 {
    margin-bottom: var(--s3);
    font-size: 24px;
}

.dialog p {
    color: var(--ink-2);
}

.dialog-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--s2);
    margin-top: var(--s5);
}

.notice {
    display: flex;
    align-items: flex-start;
    gap: var(--s2);
    padding: var(--s2) var(--s3);
    border: var(--px) solid var(--redstone-dark);
    background: #2a1512;
    color: #ffd3cc;
    font-size: 14px;
}

.notice .icon {
    margin-top: 3px;
    color: var(--redstone);
}

/* Accounts: the rail list beside the website tool. */

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: var(--s1);
}

.section-heading .label {
    margin: 0;
}

.account-list {
    display: grid;
    gap: var(--px);
}

.account-row {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr) 28px;
    align-items: center;
    gap: var(--s2);
    min-height: 48px;
    padding: var(--s2);
    border: var(--px) solid transparent;
    color: var(--ink-2);
    cursor: pointer;
}

.account-row:hover {
    background: var(--tile);
    color: var(--ink);
}

.account-row.active {
    border-color: var(--edge);
    background: var(--tile);
    box-shadow: inset 0 0 0 var(--px) var(--grass);
    color: var(--ink);
}

.account-row:focus-visible {
    outline-offset: calc(var(--px) * -2);
}

.avatar {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border: var(--px) solid var(--edge);
    background: var(--lapis);
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 400;
    text-transform: uppercase;
}

.account-row.active .avatar {
    background: var(--grass);
    color: var(--grass-ink);
}

.account-name {
    overflow: hidden;
    font-weight: 500;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.remove-account {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--ink-3);
    cursor: pointer;
    opacity: 0;
}

.account-row:hover .remove-account,
.account-row:focus-within .remove-account {
    opacity: 1;
}

.remove-account:hover,
.remove-account:focus-visible {
    color: var(--redstone);
    opacity: 1;
}

.empty-accounts {
    padding: var(--s3);
    border: var(--px) dashed var(--tile-light);
    color: var(--ink-3);
    font-size: 14px;
    line-height: 1.5;
}

/* Account dialog and notices. */

.dialog-backdrop[hidden] {
    display: none;
}

.modal-close {
    position: absolute;
    top: var(--s3);
    right: var(--s3);
}

.dialog h2 {
    padding-right: var(--s7);
}

.dialog p {
    margin-bottom: var(--s5);
}

.dialog-wide {
    width: 100%;
}

.code-box {
    display: grid;
    gap: var(--s1);
    width: 100%;
    margin-bottom: var(--s3);
    padding: var(--s4);
    border: var(--px) dashed var(--stone);
    background: var(--tile-sunk);
    color: var(--ink);
    cursor: pointer;
}

.code-box:hover {
    border-color: var(--grass);
}

.code-box span {
    font-family: var(--font-data);
    font-size: 30px;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.code-box small {
    color: var(--ink-3);
    font-size: 13px;
}

.dialog .waiting {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    margin: var(--s4) 0 0;
    color: var(--ink-3);
    font-size: 14px;
}

.waiting-block {
    width: 8px;
    height: 8px;
    background: var(--gold);
    animation: waiting-blink 1s steps(1, end) infinite;
}

@keyframes waiting-blink {
    50% {
        background: var(--gold-dark);
    }
}

.dialog-fine {
    font-size: 14px;
}

.toast {
    position: fixed;
    right: var(--s5);
    bottom: var(--s5);
    z-index: 50;
    max-width: 360px;
    padding: var(--s3) var(--s4);
    border: var(--px) solid var(--edge);
    background: var(--tile-raised);
    box-shadow: inset 0 var(--px) 0 var(--tile-light), 0 0 0 var(--px) var(--edge);
    color: var(--ink);
    font-size: 14px;
}

.toast[hidden] {
    display: none;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 1ms !important;
    }

    .stage[data-stage-state="active"] .stage-tile i,
    .stage[data-stage-state="done"] .stage-tile i,
    .stage[data-stage-state="failed"] .stage-tile i {
        animation: none;
    }

    .stage[data-stage-state="active"] .stage-tile i:nth-child(odd) {
        background: var(--gold);
    }

    .waiting-block {
        animation: none;
    }
}