:root {
  --bg: #0d1117;
  --surface: #131922;
  --surface-strong: #18212d;
  --text: #f3f6fa;
  --muted: #aab5c3;
  --line: #2a3543;
  --accent: #64b5f6;
  --accent-soft: #172d40;
  --danger: #ffb4ab;
  --radius: 10px;
  --reading-width: 76ch;
  font-family: "Segoe UI", system-ui, sans-serif;
  color-scheme: dark;
}

.profile-dialog {
  width: min(32rem, calc(100vw - 2rem));
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 45%);
}

.profile-dialog::backdrop {
  background: rgb(0 0 0 / 62%);
}

.profile-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.profile-heading h2 {
  margin: 0;
}

#profile-unlock {
  display: grid;
  gap: 0.55rem;
  margin-block: 1rem;
}

#profile-unlock[hidden] {
  display: none;
}

.profile-entry-actions,
.profile-key-actions,
.profile-key-field {
  display: flex;
  gap: 0.55rem;
}

.profile-entry-actions,
.profile-key-actions {
  flex-wrap: wrap;
  margin-block: 1rem;
}

.profile-key-field input {
  flex: 1;
  min-width: 0;
}

.profile-dialog input {
  width: 100%;
  box-sizing: border-box;
}

.profile-dialog > button {
  margin-inline-end: 0.5rem;
}

[data-theme="light"] {
  --bg: #f4f1e8;
  --surface: #fffdf7;
  --surface-strong: #e9eef3;
  --text: #18212b;
  --muted: #506071;
  --line: #c9d1da;
  --accent: #075b9c;
  --accent-soft: #dcecf8;
  --danger: #8f1d16;
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  background: var(--bg);
  color: var(--text);
}

[data-readable="true"] body,
[data-readable="true"] input,
[data-readable="true"] button {
  font-family: "JetBrains Mono", "Cascadia Code", "Fira Code", "Noto Sans Mono", monospace;
  letter-spacing: 0.025em;
  word-spacing: 0.075em;
}

[data-readable="true"] p,
[data-readable="true"] li { line-height: 1.75; }

[data-readable="true"] .search-zone,
[data-readable="true"] .tool-list { animation: none; }

button, input { font: inherit; }

button, a, summary { -webkit-tap-highlight-color: transparent; }

button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

button:hover, button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 20;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
}

.skip-link:focus { transform: translateY(0); }

.masthead {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-weight: 800;
}
.brand div { display: grid; gap: 2px; }
.brand strong { font-size: 1rem; }
.brand span:last-child { color: var(--muted); font-size: .75rem; }

.controls { display: flex; gap: 8px; }
.controls button { min-height: 40px; padding: 8px 11px; }

main { padding: 0 clamp(18px, 4vw, 64px) 64px; }

.search-zone {
  max-width: 1060px;
  padding: clamp(42px, 6vw, 72px) 0 clamp(36px, 5vw, 58px);
  animation: rise .45s ease both;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1, h2, p { text-wrap: pretty; }
h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}
[data-readable="true"] h1 { letter-spacing: -.02em; line-height: 1.08; }

.intro {
  max-width: 660px;
  margin: 24px 0 28px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.65;
}

.mode-switch {
  display: inline-flex;
  gap: 4px;
  margin: 0 0 24px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.mode-switch button { min-height: 40px; padding: 8px 14px; border: 0; color: var(--muted); }
.mode-switch button[aria-pressed="true"] { background: var(--accent-soft); color: var(--text); }

.search-shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  max-width: 840px;
  padding: 8px 12px 8px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .16s ease, transform .16s ease;
}

.search-shell:focus-within { border-color: var(--accent); transform: translateY(-2px); }
.search-shell > span { color: var(--accent); font-size: 1.75rem; }
.search-shell input {
  min-width: 0;
  padding: 13px 4px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: clamp(1rem, 2vw, 1.2rem);
}
.search-shell input::placeholder { color: var(--muted); }
kbd {
  padding: 5px 7px;
  border: 1px solid var(--line);
  border-bottom-width: 3px;
  border-radius: 5px;
  color: var(--muted);
  font-size: .72rem;
}

.hint { max-width: var(--reading-width); margin: 12px 0 0; color: var(--muted); font-size: .86rem; }
.quick-intents { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.quick-intents button { padding: 8px 12px; color: var(--muted); }
.quick-intents button:hover { border-color: var(--accent); color: var(--text); }

.workspace {
  display: grid;
  grid-template-columns: minmax(210px, 250px) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
  min-width: 0;
}

.path-workspace {
  display: grid;
  grid-template-columns: minmax(240px, 290px) minmax(0, 860px);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}
.path-index { position: sticky; top: 96px; min-width: 0; }
#path-list { display: grid; gap: 4px; padding-top: 12px; }
.path-button {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  width: 100%;
  padding: 11px 10px;
  border: 0;
  color: var(--muted);
  text-align: left;
}
.path-button strong { overflow-wrap: anywhere; font-size: .9rem; }
.path-button small { font-variant-numeric: tabular-nums; }
.path-button:hover, .path-button[aria-pressed="true"] { background: var(--accent-soft); color: var(--text); }
.path-button[aria-pressed="true"] { box-shadow: inset 3px 0 var(--accent); }

.path-card { min-width: 0; border-top: 1px solid var(--line); }
.roadmap-overview { padding: 24px 0; border-bottom: 1px solid var(--line); }
.roadmap-heading { display: flex; justify-content: space-between; align-items: start; gap: 20px; }
.roadmap-heading h2 { margin: 0; font-size: clamp(1.35rem, 2.4vw, 2rem); }
.roadmap-heading output, #path-description { color: var(--muted); }
#path-description { max-width: var(--reading-width); margin: 10px 0 16px; line-height: 1.55; }
#path-progress { width: 100%; height: 6px; accent-color: var(--accent); }
.step-roadmap {
  display: flex;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0 0 6px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: none;
}
.step-roadmap::-webkit-scrollbar { display: none; }
.roadmap-step { flex: 0 0 min(180px, 40vw); }
.roadmap-step button {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 52px;
  padding: 8px;
  color: var(--muted);
  text-align: left;
}
.roadmap-step button[aria-current="step"] { border-color: var(--accent); color: var(--text); }
.roadmap-step button[data-completed="true"] .roadmap-step-number { background: var(--accent); color: var(--surface); }
.roadmap-step-number {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
}
.roadmap-step-title { overflow-wrap: anywhere; font-size: .78rem; line-height: 1.25; }
.path-card-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 24px;
  padding: 24px 0 16px;
}
.path-card-header h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.5rem); }
.path-card-header output { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.path-summary { max-width: var(--reading-width); margin: 0 0 28px; color: var(--muted); font-size: 1.05rem; line-height: 1.65; }
.path-body { max-width: var(--reading-width); }
.path-body h3, .path-body h4 { margin: 28px 0 10px; }
.path-body h3 { font-size: 1.2rem; }
.path-body h4 { font-size: 1rem; }
.path-body p, .path-body li { line-height: 1.7; }
.path-body ul { padding-left: 22px; }
.path-code {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin: 14px 0;
}
.path-code pre {
  min-width: 0;
  margin: 0;
  overflow-x: auto;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}
.path-code code { font-family: "Cascadia Code", "JetBrains Mono", monospace; }

.local-notes { max-width: var(--reading-width); margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); }
.notes-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.notes-heading h3 { margin: 0; font-size: 1rem; }
.notes-heading span { color: var(--muted); font-size: .75rem; }
.local-notes textarea {
  display: block;
  width: 100%;
  margin: 12px 0;
  padding: 12px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  line-height: 1.5;
}
.local-notes button { padding: 9px 12px; color: var(--accent); }
.path-actions {
  display: grid;
  grid-template-columns: auto minmax(160px, 1fr) auto;
  gap: 10px;
  max-width: var(--reading-width);
  margin-top: 36px;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
}
.path-actions button { min-height: 44px; padding: 9px 14px; }
.path-actions button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.path-actions button:disabled { opacity: .4; cursor: not-allowed; }

.phase-nav { position: sticky; top: 96px; min-width: 0; }
.aside-heading, .results-heading { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.aside-heading { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.aside-heading h2, .results-heading h2 { margin: 0; font-size: 1.35rem; }
.aside-heading button { border: 0; color: var(--accent); font-size: .82rem; }
#phase-list { display: grid; gap: 2px; padding: 12px 0; }
.phase-button {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  color: var(--muted);
  text-align: left;
}
.phase-button:hover, .phase-button[aria-pressed="true"] { background: var(--accent-soft); color: var(--text); }
.phase-button[aria-pressed="true"] { box-shadow: inset 3px 0 var(--accent); }
.phase-button small { color: inherit; opacity: .72; }

.recipe-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
}
.recipe-filter input { width: 18px; height: 18px; accent-color: var(--accent); }

.results-heading { min-height: 62px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.results-panel, .tool-list, .tool, .tool-detail { min-width: 0; max-width: 100%; }
.results-heading .eyebrow { margin-bottom: 5px; }
#result-count { color: var(--muted); font-variant-numeric: tabular-nums; }

.tool-list { animation: rise .55s .08s ease both; }
.tool {
  border-bottom: 1px solid var(--line);
  content-visibility: auto;
  contain-intrinsic-size: 88px;
}
.tool summary {
  display: grid;
  grid-template-columns: minmax(150px, .65fr) minmax(220px, 1.35fr) auto;
  gap: 22px;
  align-items: center;
  min-height: 84px;
  padding: 15px 4px;
  cursor: pointer;
  list-style: none;
}
.tool summary::-webkit-details-marker { display: none; }
.tool-name { display: grid; gap: 4px; min-width: 0; }
.tool-name strong { overflow-wrap: anywhere; font-size: 1.06rem; }
.tool-name small { color: var(--muted); font-size: .72rem; }
.tool-description { max-width: var(--reading-width); color: var(--muted); line-height: 1.55; }
.tool-marker { color: var(--accent); font-size: 1.2rem; transition: transform .16s ease; }
.tool[open] .tool-marker { transform: rotate(45deg); }

.tool-detail { padding: 2px 32px 28px 0; }
.phase-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.phase-tag { padding: 5px 8px; border-radius: 5px; background: var(--accent-soft); color: var(--accent); font-size: .72rem; }
.recipes { display: grid; gap: 12px; max-width: 940px; }
.cheat-section { max-width: 940px; margin: 18px 0; }
.cheat-heading { margin: 0 0 10px; color: var(--muted); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.syntax-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; }
.syntax-row code, .option-list dt {
  overflow-wrap: anywhere;
  color: var(--text);
  font-family: "Cascadia Code", "JetBrains Mono", monospace;
}
.syntax-row code { padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-strong); }
.option-list { display: grid; grid-template-columns: minmax(120px, .3fr) minmax(0, 1fr); gap: 7px 16px; margin: 0; }
.option-list dt, .option-list dd { margin: 0; padding: 5px 0; }
.option-list dd { color: var(--muted); }
.recipe { display: grid; grid-template-columns: minmax(130px, .32fr) minmax(0, 1fr) auto; gap: 14px; align-items: center; }
.recipe-standard {
  display: grid;
  grid-template-columns: minmax(130px, .32fr) minmax(0, 1fr);
  grid-column: 1 / -1;
  gap: 14px;
  align-items: center;
}
.recipe-standard code { white-space: normal; }
.recipe-label { color: var(--muted); font-size: .82rem; }
.recipe code {
  max-width: 100%;
  overflow-x: auto;
  padding: 11px 13px;
  border-radius: 6px;
  background: var(--surface-strong);
  color: var(--text);
  font-family: "Cascadia Code", "JetBrains Mono", monospace;
  font-size: .84rem;
  white-space: nowrap;
}
.copy-button { padding: 8px 10px; color: var(--accent); }
.tool-link { display: inline-block; margin-top: 18px; color: var(--accent); text-underline-offset: 4px; }
.inventory-note { margin: 0; color: var(--muted); }
.source-note { margin: 12px 0 0; color: var(--muted); font-size: .76rem; overflow-wrap: anywhere; }

.empty { padding: 52px 0; color: var(--muted); }
footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(18px, 4vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .78rem;
}

#toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  max-width: 320px;
  padding: 11px 14px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--surface-strong);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .16s ease, transform .16s ease;
}
#toast.visible { opacity: 1; transform: translateY(0); }

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

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
  .masthead { position: static; align-items: flex-start; }
  .brand span:last-child { display: none; }
  .controls { flex-wrap: wrap; justify-content: flex-end; }
  .workspace { grid-template-columns: 1fr; }
  .path-workspace { grid-template-columns: 1fr; }
  .phase-nav { position: static; }
  .path-index { position: static; }
  #path-list { display: flex; overflow-x: auto; padding-bottom: 12px; }
  .path-button { flex: 0 0 210px; }
  .path-button[aria-pressed="true"] { box-shadow: inset 0 -3px var(--accent); }
  #phase-list { display: flex; overflow-x: auto; padding-bottom: 14px; }
  .phase-button { flex: 0 0 auto; width: auto; gap: 12px; }
  .phase-button[aria-pressed="true"] { box-shadow: inset 0 -3px var(--accent); }
  .tool summary { grid-template-columns: 1fr auto; gap: 8px 16px; }
  .tool-description { grid-column: 1 / -1; }
  .tool-marker { grid-column: 2; grid-row: 1; }
  .recipe { grid-template-columns: 1fr auto; }
  .recipe code { grid-column: 1 / -1; grid-row: 2; }
  .option-list { grid-template-columns: 1fr; gap: 2px; }
  .option-list dd { padding: 0 0 8px; }
}

@media (max-width: 560px) {
  .masthead { padding-inline: 14px; }
  .brand strong { font-size: .88rem; }
  .brand-mark { width: 36px; height: 36px; }
  .controls button { min-height: 36px; padding: 6px 8px; font-size: .74rem; }
  main { padding-inline: 14px; }
  .search-zone { padding-top: 48px; }
  .mode-switch { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .search-shell kbd { display: none; }
  .search-shell { grid-template-columns: auto 1fr; }
  footer { flex-direction: column; padding-inline: 14px; }
  .tool-detail { padding-right: 0; }
  .path-card-header { gap: 12px; }
  .path-actions { grid-template-columns: 1fr 1fr; }
  .path-actions #complete-step { grid-column: 1 / -1; grid-row: 1; }
  .path-code { grid-template-columns: 1fr; }
  .path-code .copy-button { justify-self: start; }
  .notes-heading { display: grid; gap: 4px; }
}

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