/* The extension's look, scaled up for the web: the same tokens as
   popup.css, hairline borders by default, and the logo's bold outline,
   offset slab and grey drop kept for the things that matter - buttons,
   pills and the feature cards. */
:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-alt: #f5f5f8;
  --ink: #111111;
  --text: #16161a;
  --text-muted: #6b6c78;
  --border: rgba(0, 0, 0, 0.09);
  --border-strong: rgba(0, 0, 0, 0.16);
  --accent-1: #ffc41e;
  --accent-ink: #9a6200;
  --on-accent: #16161a;
  --accent-soft: rgba(255, 196, 30, 0.2);
  --drop: 3px 4px 0 #c9c9cf;
  --route-line: #d4d4dc;
  --icon-shadow: #c9c9cf;
  --key-slab: #b4b4be;
  --radius: 12px;
}

/* Dark follows the system unless the header toggle has pinned a theme. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #1b1b21;
    --bg-alt: #24242c;
    --ink: #ececf2;
    --text: #ececf2;
    --text-muted: #9a9cab;
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.16);
    --accent-ink: #ffc41e;
    --accent-soft: rgba(255, 196, 30, 0.16);
    --drop: 3px 4px 0 #000000;
    --route-line: #3a3a46;
    --icon-shadow: #000000;
    --key-slab: #44444f;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1b1b21;
  --bg-alt: #24242c;
  --ink: #ececf2;
  --text: #ececf2;
  --text-muted: #9a9cab;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent-ink: #ffc41e;
  --accent-soft: rgba(255, 196, 30, 0.16);
  --drop: 3px 4px 0 #000000;
  --route-line: #3a3a46;
  --icon-shadow: #000000;
  --key-slab: #44444f;
}

:root[data-theme="light"] {
  color-scheme: light;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Nunito", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-ink);
}

.icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  display: block;
}

.icon .fill {
  fill: var(--accent-1);
}

/* ---------- Header: the popup's header row, full width ---------- */

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

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--text);
  text-decoration: none;
}

.brand-icon {
  width: 38px;
  height: 38px;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-title {
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.2px;
  line-height: 1.1;
}

.brand-tag {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0;
}

.actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  padding-bottom: 4px;
}

/* ---------- Keys: every control is a tiny copy of the logo's tile ---------- */

.btn {
  --ring: 0 0 0 1.5px var(--bg), 0 0 0 2.75px var(--ink);
  --face: linear-gradient(180deg, var(--bg) 0%, var(--bg) 45%, var(--bg-alt) 100%);
  --face-hover: linear-gradient(180deg, var(--bg) 0%, var(--accent-soft) 100%);
  border: 2px solid var(--ink);
  background: var(--face);
  box-shadow: var(--ring), 3px 4px 0 2.75px var(--key-slab);
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.btn:hover {
  background: var(--face-hover);
  transform: translate(-1px, -1px);
  box-shadow: var(--ring), 4px 5px 0 2.75px var(--key-slab);
}

.btn:active {
  transform: translate(3px, 4px);
  box-shadow: var(--ring);
}

.btn:focus-visible {
  outline: 2px solid var(--accent-ink);
  outline-offset: 4px;
}

/* Icon keys are the same tile cut as honeycomb cells. clip-path would also
   cut away borders and shadows, so the tile is rebuilt in layers: ::before
   is the face (gradient triangles keep the gap around it plain), ::after is
   both outlines as one hexagon ring cut with evenodd, and a drop-shadow on
   the key casts the slab in the same shape. The box is 36 × 42 because a
   regular hexagon is 2/√3 as tall as it is wide; vertical offsets are
   horizontal ones × 1.155 for the same reason. */
.key {
  --face: linear-gradient(180deg, var(--bg) 0%, var(--bg) 45%, var(--bg-alt) 100%);
  --face-hover: linear-gradient(180deg, var(--bg) 0%, var(--accent-soft) 100%);
  --hex-face: var(--face);
  --hex-line: var(--ink);
  --hex-corner: calc(50% - 3px) calc(25% - 1.73px) no-repeat;
  position: relative;
  isolation: isolate;
  width: 36px;
  height: 42px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(3px 4px 0 var(--key-slab));
  transition: transform 0.08s ease, filter 0.08s ease;
}

.key::before,
.key::after {
  content: "";
  position: absolute;
  z-index: -1;
}

/* Reaches into the outer line so no seam shows. The face stops on the
   middle of the thick outline, which hides the triangles' hard edges. */
.key::before {
  inset: -2.31px -2px;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  background:
    linear-gradient(to top left, transparent 50%, var(--bg) 50%) left 3px top 3.46px / var(--hex-corner),
    linear-gradient(to top right, transparent 50%, var(--bg) 50%) right 3px top 3.46px / var(--hex-corner),
    linear-gradient(to bottom left, transparent 50%, var(--bg) 50%) left 3px bottom 3.46px / var(--hex-corner),
    linear-gradient(to bottom right, transparent 50%, var(--bg) 50%) right 3px bottom 3.46px / var(--hex-corner),
    var(--hex-face) left 3px top 3.46px / calc(100% - 6px) calc(100% - 6.93px) no-repeat,
    var(--bg);
}

/* Four nested hexagons: outer edge, thin line, thick line, face. */
.key::after {
  inset: -3.18px -2.75px;
  background: var(--hex-line);
  clip-path: polygon(evenodd,
    50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%, 50% 0,
    50% 1.44px, calc(100% - 1.25px) calc(25% + 0.72px), calc(100% - 1.25px) calc(75% - 0.72px),
    50% calc(100% - 1.44px), 1.25px calc(75% - 0.72px), 1.25px calc(25% + 0.72px), 50% 1.44px,
    50% 3.18px, calc(100% - 2.75px) calc(25% + 1.59px), calc(100% - 2.75px) calc(75% - 1.59px),
    50% calc(100% - 3.18px), 2.75px calc(75% - 1.59px), 2.75px calc(25% + 1.59px), 50% 3.18px,
    50% 5.49px, calc(100% - 4.75px) calc(25% + 2.74px), calc(100% - 4.75px) calc(75% - 2.74px),
    50% calc(100% - 5.49px), 4.75px calc(75% - 2.74px), 4.75px calc(25% + 2.74px), 50% 5.49px);
}

.key:hover {
  --hex-face: var(--face-hover);
  transform: translate(-1px, -1px);
  filter: drop-shadow(4px 5px 0 var(--key-slab));
}

.key:active {
  transform: translate(3px, 4px);
  filter: drop-shadow(0 0 0 var(--key-slab));
}

/* A rectangular outline would look odd around a hexagon (and would cast
   the slab too), so focus turns the outlines honey instead. */
.key:focus-visible {
  outline: none;
  --hex-line: var(--accent-ink);
}

.key .icon {
  filter: drop-shadow(1.5px 2px 0 var(--icon-shadow));
}

.key:active .icon {
  filter: none;
}

/* theme.js marks the toggle with the theme in effect; show the other one. */
#themeToggle .icon-sun,
#themeToggle[data-mode="dark"] .icon-moon {
  display: none;
}

#themeToggle[data-mode="dark"] .icon-sun {
  display: block;
}

/* Yellow stays yellow, like the logo's bee. */
.btn {
  --face: linear-gradient(180deg, color-mix(in srgb, var(--accent-1) 78%, #fff) 0%, var(--accent-1) 60%);
  --face-hover: linear-gradient(180deg, color-mix(in srgb, var(--accent-1) 68%, #fff) 0%, color-mix(in srgb, var(--accent-1) 90%, #fff) 60%);
  color: var(--on-accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 800;
  border-radius: 24px;
  padding: 10px 22px;
}

.btn-sm {
  font-size: 14px;
  padding: 6px 16px;
}

.btn-outline {
  --face: linear-gradient(180deg, var(--bg) 0%, var(--bg) 45%, var(--bg-alt) 100%);
  --face-hover: linear-gradient(180deg, var(--bg) 0%, var(--accent-soft) 100%);
  color: var(--ink);
}

.label-short {
  display: none;
}

.btn .icon {
  width: 16px;
  height: 16px;
}

/* The popup's route pill. */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-1);
  color: var(--on-accent);
  border: 2px solid var(--ink);
  box-shadow: var(--drop);
  padding: 2px 13px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 800;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
}

.site-footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.site-footer .brand-title {
  font-size: 18px;
}

.site-footer .brand-icon {
  width: 28px;
  height: 28px;
}

.site-footer-inner > span {
  text-align: center;
}

.footer-links {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  font-weight: 700;
  text-decoration: none;
}

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

.footer-link .icon {
  width: 20px;
  height: 20px;
  stroke-width: 1.9;
}

@media (max-width: 760px) {
  .brand-tag {
    display: none;
  }

  .site-footer-inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer-links {
    justify-self: center;
  }
}

@media (max-width: 420px) {
  .site-header-inner {
    padding: 14px 16px;
  }

  .actions .btn-sm {
    padding: 6px 12px;
  }

  /* Small phones can't fit the full header label beside the brand. */
  .label-full {
    display: none;
  }

  .label-short {
    display: inline;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .key,
  .btn {
    transition: none;
  }
}