/*
 * Wade's own colors (wade-core/src/render/palette.rs) carry meaning here as
 * they do on his screen: sparkle is pride and the primary path, water is
 * trouble and help, blush is happiness and welcome. Anything showing Wade is a
 * black panel, in light mode too.
 */

/* Latin subsets of Rubik (variable weight) and Silkscreen, under the SIL Open
   Font License; see fonts/. */
@font-face {
  font-family: "Rubik";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("fonts/rubik.woff2") format("woff2");
}
@font-face {
  font-family: "Rubik";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/rubik-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Silkscreen";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/silkscreen.woff2") format("woff2");
}
:root {
  --black: #000000;
  --eye: #deebff;
  --blush: #ff79b5;
  --water: #63baff;
  --sparkle: #ffe342;
  --sparkle-hover: #fff07a;
  --dim: #4a515a;

  --bg: var(--black);
  --surface: var(--black);
  --ink: var(--eye);
  --soft: #94a2b5;
  --line: #292d31;
  --line-strong: var(--dim);
  --bezel: #16181b;
  --bezel-line: #292d31;
  --help: var(--water);
  --warm: var(--blush);
  --dialog: var(--bezel);
  /* Light mode outlines sparkle-yellow fills, which vanish on white. */
  --edge: transparent;
  --sparkle-line: var(--sparkle);
  --latest-line: var(--line);

  /* The period and the status card follow Wade's face; see data-face below. */
  --mood: var(--sparkle);
  --card-edge: var(--bezel-line);

  --stroke: 3px;
  --radius-small: 10px;
  --radius: 16px;
  --radius-large: 28px;
  --font-family: "Rubik", ui-rounded, system-ui, sans-serif;
  --font-pixel: "Silkscreen", ui-monospace, monospace;

  color-scheme: dark;
  font-family: var(--font-family);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #eef1f5;
    --surface: #ffffff;
    --ink: #0d1117;
    --soft: #46505d;
    --line: #cfd6df;
    --line-strong: #8a95a3;
    --bezel-line: #16181b;
    --help: #0a64b8;
    --warm: #b0175f;
    --dialog: var(--surface);
    --edge: #0d1117;
    --sparkle-line: #0d1117;
    --latest-line: #0d1117;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #eef1f5;
  --surface: #ffffff;
  --ink: #0d1117;
  --soft: #46505d;
  --line: #cfd6df;
  --line-strong: #8a95a3;
  --bezel-line: #16181b;
  --help: #0a64b8;
  --warm: #b0175f;
  --dialog: var(--surface);
  --edge: #0d1117;
  --sparkle-line: #0d1117;
  --latest-line: #0d1117;
  color-scheme: light;
}
:root[data-face="proud"] {
  --card-edge: var(--sparkle);
}
:root[data-face="happy"] {
  --mood: var(--blush);
  --card-edge: var(--blush);
}
:root[data-face="sad"],
:root[data-face="flustered"] {
  --mood: var(--water);
  --card-edge: var(--water);
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}
main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px 48px;
}
[hidden] {
  display: none !important;
}
a {
  color: var(--ink);
  text-decoration: underline 2px var(--line-strong);
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}
a:hover {
  text-decoration-color: var(--ink);
}
:focus-visible {
  outline: var(--stroke) solid var(--ink);
  outline-offset: 4px;
  border-radius: 4px;
}
.readout {
  font-family: var(--font-pixel);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--soft);
}
.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 1;
  padding: 12px 16px;
  border-radius: var(--radius-small);
  background: var(--sparkle);
  color: var(--black);
  font-weight: 700;
  translate: 0 -200%;
}
.skip-link:focus {
  translate: none;
}
.screen {
  display: block;
  background: var(--black);
  border-radius: var(--radius-small);
  forced-color-adjust: none;
}

/* Top bar */
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
}
.mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 16px;
  text-decoration: none;
}
.mark .screen {
  width: 80px;
  height: 60px;
  border: 2px solid var(--line);
  border-radius: 8px;
}
.bar-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-actions a {
  text-decoration: none;
}
.bar-actions a:hover {
  color: var(--ink);
}
.theme-toggle {
  min-height: 40px;
  padding: 0 14px;
  border: 2px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.theme-toggle:hover {
  border-color: var(--ink);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 56px;
  padding: 28px 0 72px;
}
.eyebrow {
  margin: 0 0 14px;
}
h1 {
  margin: 0 0 24px;
  font-size: clamp(3.4rem, 26vw, 6.2rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.045em;
}
.period {
  display: inline-block;
  width: 0.2em;
  height: 0.2em;
  margin-left: 0.04em;
  border-radius: 0.05em;
  background: var(--mood);
  box-shadow: 0 0 0 0.035em var(--edge);
}
.intro {
  max-width: 26em;
  margin: 0;
  font-size: 1.15rem;
}
.intro em {
  color: var(--soft);
}
.cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 380px;
  margin-top: 32px;
}
.button,
#connect {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--radius);
  background: var(--sparkle);
  box-shadow: inset 0 0 0 2px var(--edge);
  color: var(--black);
  font: 700 1rem var(--font-family);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.button:hover,
#connect:enabled:hover {
  background: var(--sparkle-hover);
}
.button-ghost,
.button-ghost:hover {
  background: transparent;
  box-shadow: inset 0 0 0 var(--stroke) var(--line-strong);
  color: var(--ink);
}
.button-ghost:hover {
  box-shadow: inset 0 0 0 var(--stroke) var(--ink);
}

/* The device: a flat bezel around the animation at exactly 2× (1× on phones). */
.device {
  max-width: 100%;
  margin: 0;
  padding: 24px 24px 0;
  border: 2px solid var(--bezel-line);
  border-radius: var(--radius-large);
  background: var(--bezel);
  forced-color-adjust: none;
}
.animation-control {
  display: block;
  padding: 0;
  border: 0;
  border-radius: var(--radius-small);
  background: var(--black);
  cursor: pointer;
}
.animation-control:disabled {
  cursor: default;
}
.animation-control:focus-visible {
  outline-color: var(--sparkle);
}
.wade {
  display: block;
  width: 640px;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-small);
  image-rendering: pixelated;
}
.chin {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  color: #94a2b5;
}
.led {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.led::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dim);
}
/* A power-light green: the LED belongs to the bezel, not Wade's palette. */
.device:has([aria-label^="Pause"]) .led::before {
  background: #3ddc84;
}
.led .when-playing,
.device:has([aria-label^="Pause"]) .led .when-paused {
  display: none;
}
.device:has([aria-label^="Pause"]) .led .when-playing {
  display: inline;
}

/* Sections */
.panel,
details {
  margin-top: 32px;
  border: var(--stroke) solid var(--line);
  border-radius: var(--radius-large);
  background: var(--surface);
}
.panel {
  padding: 36px;
}
h2 {
  margin: 0 0 8px;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
}
.hint,
.lede,
.choice small {
  color: var(--soft);
}
.hint {
  margin: 10px 0 0;
  font-size: 0.9rem;
}
.lede {
  max-width: 40em;
  margin: 0 0 32px;
}

/* Install: numbered steps beside Wade's status screen */
#usb-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 368px;
  gap: 40px;
  align-items: start;
}
.steps {
  display: grid;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0 18px;
}
.step::before {
  content: attr(data-step);
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: var(--stroke) solid var(--line-strong);
  border-radius: var(--radius-small);
  color: var(--soft);
  font: 14px var(--font-pixel);
}
.step:has(#board option:checked:not([value=""]))::before,
.step:has(#release:enabled option:checked:not([value=""]))::before,
.step:has(input[name="mode"]:checked)::before,
.step-connect:has(#connect:enabled)::before {
  border-color: var(--sparkle-line);
  background: var(--sparkle);
  color: var(--black);
}
.step > * {
  grid-column: 2;
}
.step > :first-child {
  grid-row: 1;
}
.step-title {
  display: block;
  margin: 8px 0 12px;
  padding: 0;
  font-size: 1.15rem;
  font-weight: 700;
}
fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
.select-control {
  position: relative;
}
.select-control::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 20px;
  width: 14px;
  height: 9px;
  margin-top: -4px;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  pointer-events: none;
}
select {
  appearance: none;
  width: 100%;
  min-height: 56px;
  padding: 0 52px 0 18px;
  border: var(--stroke) solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: 500 1rem var(--font-family);
  cursor: pointer;
}
select:hover {
  border-color: var(--ink);
}
select:disabled {
  border-color: var(--line);
  color: var(--soft);
  cursor: default;
}
.choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.choice {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  border: var(--stroke) solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}
.choice:hover {
  border-color: var(--line-strong);
}
.choice:has(input:checked) {
  border-color: var(--ink);
}
.choice:has(input:focus-visible) {
  outline: var(--stroke) solid var(--ink);
  outline-offset: 4px;
}
.choice input {
  appearance: none;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin: 1px 0 0;
  border: var(--stroke) solid var(--line-strong);
  border-radius: 50%;
}
.choice input:checked {
  border-color: var(--ink);
  background: var(--ink);
  box-shadow: inset 0 0 0 4px var(--surface);
}
.choice input:focus-visible {
  outline: none;
}
.choice span span {
  display: block;
  font-weight: 500;
}
.choice small {
  display: block;
  margin-top: 4px;
  font-size: 0.9rem;
  line-height: 1.45;
}
esp-web-install-button {
  display: block;
}
#connect {
  width: 100%;
  min-height: 60px;
  white-space: normal;
  margin-top: 18px;
  font-size: 1.1rem;
}
#connect:disabled {
  background: var(--line);
  box-shadow: none;
  color: var(--soft);
  cursor: default;
}
.aside {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 18px;
}
.status-card {
  padding: 22px;
  border: 2px solid var(--card-edge);
  border-radius: var(--radius-large);
  background: var(--bezel);
  color: var(--eye);
  forced-color-adjust: none;
}
.status-face {
  width: 320px;
  height: 240px;
}
.status-label {
  margin: 16px 0 6px;
  color: #94a2b5;
}
#status {
  min-height: 3.1em;
  margin: 0;
}
#browser-hint {
  margin: 0;
  color: var(--help);
  font-weight: 500;
}
.package-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.92rem;
}

/* Downloads */
.downloads > p {
  max-width: 44em;
  margin: 10px 0;
  color: var(--soft);
}
.release-list {
  margin: 24px 0;
  padding: 0;
  list-style: none;
}
.release-list > li {
  padding: 20px 22px;
  border: var(--stroke) solid var(--line);
  border-radius: var(--radius);
}
.release-list > li + li {
  margin-top: 12px;
}
.release-list > li:first-child {
  border-color: var(--latest-line);
  box-shadow: inset 6px 0 0 var(--sparkle);
}
.release-list > li > a {
  font-size: 1.1rem;
  font-weight: 700;
}
.release-list ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.release-list ul a {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 100%;
  min-height: 64px;
  padding: 12px 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius-small);
  font-weight: 500;
  text-decoration: none;
}
.release-list ul a::before {
  content: "ZIP";
  flex-shrink: 0;
  padding: 4px 6px;
  border-radius: 4px;
  background: var(--ink);
  color: var(--bg);
  font: 12px/1 var(--font-pixel);
}
.release-list ul a:hover {
  border-color: var(--ink);
}
.downloads .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

/* Help sections: connection trouble in water, new hardware in blush.
   Connection help lights up when Wade is flustered or sad. */
details {
  padding: 0 36px;
  color: var(--soft);
}
.panel + details {
  margin-top: 16px;
}
:root[data-face="sad"] .help-connect,
:root[data-face="flustered"] .help-connect {
  border-color: var(--help);
}
details[open] {
  padding-bottom: 28px;
}
summary {
  display: flex;
  align-items: center;
  min-height: 80px;
  color: var(--ink);
  font-size: 1.3rem;
  font-weight: 700;
  list-style: none;
  cursor: pointer;
}
summary::-webkit-details-marker {
  display: none;
}
summary::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 28px;
  margin-right: 16px;
  border-radius: 3px;
  background: var(--help);
}
.help-ports summary::before {
  background: var(--warm);
}
summary::after {
  content: "";
  width: 9px;
  height: 14px;
  margin-left: auto;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}
details[open] summary::after {
  width: 14px;
  height: 9px;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}
.help-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: start;
}
.help-body p {
  margin: 0 0 14px;
}
.help-body strong {
  color: var(--ink);
  font-weight: 500;
}
.help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}
.help-body .screen {
  width: 160px;
  height: 120px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 24px;
  margin-top: 48px;
  padding-top: 20px;
  border-top: var(--stroke) solid var(--line);
  color: var(--soft);
  font-size: 0.9rem;
}
footer a {
  color: var(--soft);
}
footer span {
  margin-left: auto;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
footer a:hover {
  color: var(--ink);
}

/* ESP Web Tools appends its dialog hosts to the document body. */
ewt-install-dialog,
ewt-no-port-picked-dialog {
  --roboto-font: var(--font-family);
  --text-color: var(--ink);
  --danger-color: var(--help);
  --md-sys-color-primary: var(--ink);
  --md-sys-color-on-primary: var(--bg);
  --md-sys-color-secondary: var(--ink);
  --md-sys-color-on-secondary: var(--bg);
  --md-sys-color-surface: var(--dialog);
  --md-sys-color-surface-container: var(--dialog);
  --md-sys-color-surface-container-high: var(--dialog);
  --md-sys-color-surface-container-highest: var(--surface);
  --md-sys-color-on-surface: var(--ink);
  --md-sys-color-on-surface-variant: var(--soft);
  --md-sys-color-secondary-container: var(--sparkle);
  --md-sys-color-on-secondary-container: var(--black);
  --md-sys-color-outline: var(--line-strong);
  --md-sys-color-outline-variant: var(--line);
  --md-sys-color-error: var(--help);
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 40px;
  }
  .hero .device {
    order: -1;
    justify-self: center;
  }
  #usb-controls {
    grid-template-columns: minmax(0, 1fr);
  }
  .aside {
    position: static;
  }
  .status-card {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 4px 16px;
    align-items: center;
    padding: 12px;
    border-radius: var(--radius);
  }
  .status-face {
    grid-row: span 2;
    width: 160px;
    height: 120px;
  }
  .status-label {
    align-self: end;
    margin: 0;
  }
  #status {
    align-self: start;
    min-height: 0;
    font-size: 0.92rem;
  }
}
@media (max-width: 719px) {
  main {
    padding: 0 16px 32px;
  }
  footer span {
    margin-left: 0;
  }
  .mark .screen {
    display: none;
  }
  .bar-actions a {
    display: none;
  }
  .device {
    padding: 10px 10px 0;
    border-radius: var(--radius);
  }
  .wade {
    width: 320px;
  }
  .chin {
    min-height: 40px;
    padding: 0 4px;
  }
  .hero {
    padding-bottom: 48px;
  }
  .cta {
    max-width: none;
  }
  .panel {
    padding: 24px 18px;
  }
  details {
    padding: 0 18px;
  }
  h2 {
    font-size: 1.6rem;
  }
  .step {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 0 12px;
  }
  .step::before {
    width: 36px;
    height: 36px;
    font-size: 12px;
  }
  .step-title {
    margin-top: 4px;
  }
  .choices,
  .help-body {
    grid-template-columns: 1fr;
  }
  .status-card {
    gap: 2px 12px;
    padding: 10px;
  }
  #status {
    font-size: 0.85rem;
    line-height: 1.4;
  }
}
@media (max-width: 400px) {
  .cta,
  .status-card {
    grid-template-columns: 1fr;
  }
  .status-face {
    grid-row: auto;
  }
}

@media (forced-colors: active) {
  .panel,
  details,
  select,
  .choice,
  .theme-toggle,
  .release-list > li,
  .release-list ul a {
    border-color: CanvasText;
  }
  .choice:has(input:checked) {
    border-color: Highlight;
  }
  .choice input {
    appearance: auto;
    border: 0;
  }
  .select-control::after,
  summary::before,
  summary::after {
    background: CanvasText;
  }
  .step::before {
    border-color: CanvasText;
    background: Canvas;
    color: CanvasText;
  }
  .button,
  #connect {
    border: 2px solid ButtonText;
  }
  .period {
    background: CanvasText;
    box-shadow: none;
  }
}