@font-face {
  font-family: "Sofia Sans Semi Condensed";
  src: url("fonts/SofiaSansSemiCondensed.woff2") format("woff2");
  font-weight: 1 1000;
  font-display: swap;
}

:root {
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  /* The roadmap's display typeface. */
  --font-display: "Sofia Sans Semi Condensed", "Arial Narrow", var(--font);
  --radius: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #060914;
  --glow-a: rgba(91, 103, 255, 0.18);
  --glow-b: rgba(20, 184, 166, 0.12);
  --surface: rgba(14, 20, 37, 0.74);
  --surface-solid: #0f1628;
  --surface-2: rgba(30, 41, 68, 0.55);
  --chip: rgba(148, 163, 184, 0.1);
  --chip-hover: rgba(148, 163, 184, 0.18);
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.3);
  --text: #e9edf6;
  --muted: #94a3b8;
  --accent: #8fa8ff;
  --accent-2: #c38bff;
  --ring: rgba(143, 168, 255, 0.28);
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  --beginner: #5eead4;
  --gem: #fcd34d;
  --sw: #62c6de;
  --hw: #ffc43d;
  --ss: #2ee07a;
  --sw-text: #7fd6eb;
  --hw-text: #ffd36b;
  --ss-text: #5ef09a;
  --g-os: #b9a6e0;
  --g-mcu: #ee9f97;
  --g-ifc: #b7c0cf;
  --area-tint: 0.07;
  --imp-required: #f4dc3a;
  --imp-required-text: #221c00;
  --imp-recommended: #f6c6a2;
  --imp-recommended-text: #2b1407;
  --imp-possible: #1d263b;
  --imp-possible-text: #dbe2ee;
  --box-edge: rgba(0, 0, 0, 0.55);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f6fb;
  --glow-a: rgba(99, 102, 241, 0.14);
  --glow-b: rgba(20, 184, 166, 0.12);
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --surface-2: rgba(241, 245, 249, 0.9);
  --chip: rgba(15, 23, 42, 0.05);
  --chip-hover: rgba(15, 23, 42, 0.09);
  --border: rgba(15, 23, 42, 0.1);
  --border-strong: rgba(15, 23, 42, 0.22);
  --text: #0f172a;
  --muted: #526077;
  --accent: #4f5ff0;
  --accent-2: #9b4fe0;
  --ring: rgba(79, 95, 240, 0.2);
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
  --beginner: #0f9f8f;
  --gem: #b7791f;
  --sw: #2b9fbf;
  --hw: #e8a400;
  --ss: #12b85a;
  --sw-text: #0b6a85;
  --hw-text: #8a5b00;
  --ss-text: #0b7a3b;
  --g-os: #6d4fb0;
  --g-mcu: #b2453c;
  --g-ifc: #4b5567;
  --area-tint: 0.08;
  --imp-required: #fff04a;
  --imp-required-text: #1d1a00;
  --imp-recommended: #fbd7bb;
  --imp-recommended-text: #2b1407;
  --imp-possible: #f1f3f6;
  --imp-possible-text: #1f2937;
  --box-edge: rgba(15, 23, 42, 0.7);
}

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

[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font: 15px/1.5 var(--font);
  color: var(--text);
  background:
    radial-gradient(1100px 760px at 12% -12%, var(--glow-a), transparent 62%),
    radial-gradient(900px 700px at 105% 110%, var(--glow-b), transparent 60%),
    var(--bg);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

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

button {
  font: inherit;
  color: inherit;
}

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

.app {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100dvh;
}

/* Top bar */

.topbar {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(16px) saturate(1.2);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: block;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.brand-text strong {
  display: block;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.brand-text span {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.search {
  position: relative;
  flex: 1;
  max-width: 560px;
  margin-inline: auto;
}

.search input {
  width: 100%;
  height: 40px;
  padding: 0 40px 0 38px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.search input::placeholder {
  color: var(--muted);
}

.search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--ring);
}

.search input::-webkit-search-cancel-button {
  display: none;
}

.search-icon {
  position: absolute;
  top: 50%;
  left: 13px;
  color: var(--muted);
  transform: translateY(-50%);
  pointer-events: none;
}

.search kbd {
  position: absolute;
  top: 50%;
  right: 10px;
  min-width: 22px;
  padding: 1px 6px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--muted);
  font: 12px/18px var(--font);
  text-align: center;
  transform: translateY(-50%);
  pointer-events: none;
}

.search input:focus ~ kbd {
  display: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  left: 0;
  max-height: min(70vh, 540px);
  padding: 6px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-solid);
  box-shadow: var(--shadow);
}

.result-group {
  padding: 10px 10px 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
}

.result[aria-selected="true"],
.result:hover {
  background: var(--chip-hover);
}

.result-main {
  min-width: 0;
}

.result-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-sub {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-empty {
  padding: 14px 12px;
  color: var(--muted);
}

.actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.segmented {
  display: flex;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
}

.segmented button {
  padding: 5px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.segmented button[aria-selected="true"] {
  background: var(--surface-solid);
  color: var(--text);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.18);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.icon-btn:hover {
  border-color: var(--border-strong);
  background: var(--chip-hover);
}

.text-btn {
  width: auto;
  grid-auto-flow: column;
  gap: 6px;
  padding: 0 11px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

/* Layout */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 430px);
  min-height: 0;
}

.stage {
  position: relative;
  min-width: 0;
  min-height: 0;
}

.status {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--muted);
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.tooltip {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  max-width: 300px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-solid) 72%, transparent);
  backdrop-filter: blur(3px);
  box-shadow: var(--shadow);
  font-size: 13px;
  pointer-events: none;
}

.tooltip strong {
  display: block;
  line-height: 1.3;
}

.tip-meta {
  color: var(--muted);
  font-size: 12px;
}

.tip-hint {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

/* Outline view */

.outline {
  position: absolute;
  inset: 0;
  padding: 28px clamp(16px, 4vw, 56px) 48px;
  overflow: auto;
}

.outline h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.outline-group {
  margin-top: 26px;
}

.outline-group > h3 {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tree {
  margin: 0;
  padding: 0;
  list-style: none;
}

.tree .tree {
  margin-left: 18px;
  padding-left: 10px;
  border-left: 1px dashed var(--border-strong);
}

.tree summary {
  display: flex;
  align-items: center;
  list-style: none;
  cursor: pointer;
}

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

.tree summary::before {
  content: "";
  width: 7px;
  height: 7px;
  margin: 0 8px 0 4px;
  border-right: 1.6px solid var(--muted);
  border-bottom: 1.6px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 0.2s var(--ease);
}

.tree details[open] > summary::before {
  transform: rotate(45deg);
}

.tree li > .tree-btn {
  margin-left: 19px;
}

.tree-btn {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 10px;
  min-width: 0;
  margin: 1px 0;
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.tree-btn:hover {
  background: var(--chip);
}

.tree-btn[aria-current="true"] {
  border-color: var(--border-strong);
  background: var(--chip-hover);
}

.tree-title {
  flex: 1;
  min-width: 0;
}

.tree-count {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

/* Details panel */

.panel {
  position: relative;
  z-index: 3;
  padding: 22px 22px 40px;
  overflow: auto;
  border-left: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(18px) saturate(1.2);
  outline: none;
}

.panel-head {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 4px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.crumbs button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  cursor: pointer;
}

.crumbs button:hover {
  color: var(--accent);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.title-icon {
  font-size: 22px;
}

.swatch {
  display: inline-block;
  flex: none;
  width: 12px;
  height: 12px;
  border-radius: 4px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.panel-title .swatch {
  width: 14px;
  height: 14px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.pill {
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--chip);
  color: var(--muted);
  font-size: 12px;
}

.panel-section {
  margin-top: 20px;
}

.panel-section > h3,
.res-head h3 {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.desc p,
.desc ul {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 14px;
}

.desc ul {
  padding-left: 20px;
}

.desc code {
  padding: 1px 5px;
  border-radius: 5px;
  background: var(--chip);
  font-size: 0.92em;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: 100%;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--chip);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.chip-btn:hover {
  border-color: var(--border-strong);
  background: var(--chip-hover);
}

.chip-btn .n {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.related {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.related button {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--chip);
  text-align: left;
  cursor: pointer;
}

.related button:hover {
  border-color: var(--border-strong);
  background: var(--chip-hover);
}

.related .swatch {
  margin-top: 5px;
}

.related .why {
  grid-column: 2;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.res-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.res-head .count {
  color: var(--muted);
  font-size: 12px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}

.toggle input {
  accent-color: var(--accent);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.filter {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
}

.filter[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--ring);
  color: var(--text);
}

.filter.reset {
  border-style: dashed;
}

.res-group {
  margin: 14px 0 6px;
}

.res-group button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.res-group button:hover {
  color: var(--accent);
}

.res-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.res {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--chip);
  transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s, transform 0.15s var(--ease);
}

.res:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, var(--chip));
  box-shadow: 0 4px 14px -6px color-mix(in srgb, var(--accent) 45%, transparent);
  transform: translateY(-1px);
}

.res:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}

.res.flash {
  animation: flash 1.8s var(--ease);
}

@keyframes flash {
  0%,
  40% {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--ring);
  }
}

.res-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 17px;
}

.res-title {
  color: var(--text);
  font-weight: 600;
  line-height: 1.35;
  text-decoration: none;
  outline: none;
}

/* The title link covers the whole card, so clicking anywhere on it opens the resource. */
.res-title::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 12px;
}

.res-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.badge {
  padding: 0 7px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
}

.badge.beginner {
  background: color-mix(in srgb, var(--beginner) 18%, transparent);
  color: var(--beginner);
}

.badge.gem {
  background: color-mix(in srgb, var(--gem) 18%, transparent);
  color: var(--gem);
}

.res-note {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.res-also {
  position: relative;
  z-index: 1;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.link-btn {
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  cursor: pointer;
}

.link-btn:hover {
  text-decoration: underline;
}

.empty {
  padding: 16px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.stat {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--chip);
}

.stat b {
  display: block;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.stat span {
  color: var(--muted);
  font-size: 12px;
}

.howto {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 13px;
  list-style: none;
}

.howto kbd {
  padding: 0 5px;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  font: 12px var(--font);
}

.credits {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  color: var(--muted);
  font-size: 13px;
}

.credits-logo {
  border-radius: 10px;
}

.credits-body p {
  margin: 0 0 4px;
}

.credits-body strong {
  color: var(--text);
}

.credits-badge {
  display: block;
  margin-top: 8px;
}

.sheet-close {
  display: none;
}

/* Area markers used across views */

.area-dots {
  display: inline-flex;
  gap: 3px;
  align-items: center;
  flex: none;
}

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.dot.sw { background: var(--sw); }
.dot.hw { background: var(--hw); }
.dot.ss { background: var(--ss); }

.result-title .area-dots {
  margin-left: 8px;
}

.tip-areas {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  font-size: 12px;
}

.area-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
}

.imp-pill.required {
  border-color: transparent;
  background: var(--imp-required);
  color: var(--imp-required-text);
  font-weight: 600;
}

.imp-pill.recommended {
  border-color: transparent;
  background: var(--imp-recommended);
  color: var(--imp-recommended-text);
  font-weight: 600;
}

.stats.areas .stat .area-dots {
  margin-bottom: 4px;
}

.tree-btn .area-dots {
  margin-right: 4px;
}

/* Map view styles are in map.css. */

/* Small screens: the panel becomes a bottom sheet. */

@media (max-width: 960px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .panel {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 30;
    max-height: 80dvh;
    border-top: 1px solid var(--border);
    border-left: 0;
    border-radius: 22px 22px 0 0;
    background: var(--surface-solid);
    box-shadow: var(--shadow);
    transform: translateY(105%);
    transition: transform 0.35s var(--ease);
  }

  .panel.open {
    transform: none;
  }

  .sheet-close {
    display: inline-grid;
    float: right;
    width: 32px;
    height: 32px;
  }

  .brand-text span {
    display: none;
  }

  .topbar {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 12px;
  }

  .search {
    order: 3;
    flex-basis: 100%;
    max-width: none;
  }

  .actions {
    margin-left: auto;
  }
}

@media (max-width: 520px) {
  .brand-text {
    display: none;
  }

  .actions {
    gap: 6px;
  }

  /* Phones get the PDF download instead of printing. */
  #print {
    display: none;
  }

  .text-btn {
    padding: 0 9px;
  }

  .text-btn svg {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}