:root {
  --bg: #F5F6F2;
  --surface: #FFFFFF;
  --border: #E1DFD6;
  --text: #1B1F1D;
  --text-secondary: #5C6560;
  --text-muted: #71776E;
  --accent: #1F6E5C;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171A;
    --surface: #1B1F22;
    --border: #2A2F33;
    --text: #E7E9E5;
    --text-secondary: #A3A9A1;
    --text-muted: #818982;
    --accent: #59C7AB;
  }
}

html[data-theme="light"] {
  --bg: #F5F6F2;
  --surface: #FFFFFF;
  --border: #E1DFD6;
  --text: #1B1F1D;
  --text-secondary: #5C6560;
  --text-muted: #71776E;
  --accent: #1F6E5C;
}

html[data-theme="dark"] {
  --bg: #14171A;
  --surface: #1B1F22;
  --border: #2A2F33;
  --text: #E7E9E5;
  --text-secondary: #A3A9A1;
  --text-muted: #818982;
  --accent: #59C7AB;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

header.page-head { margin-bottom: 1.5rem; }

.page-head-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

header.page-head h1 {
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}

header.page-head p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 60ch;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

#lang-toggle,
#theme-toggle {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

#lang-toggle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

#lang-toggle:hover,
#theme-toggle:hover { color: var(--text); border-color: var(--text-muted); }

/* Covers #lang-toggle, #theme-toggle and the host .tab buttons alike. */
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

#theme-toggle .moon { display: none; }
html[data-theme="dark"] #theme-toggle .sun { display: none; }
html[data-theme="dark"] #theme-toggle .moon { display: block; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) #theme-toggle .sun { display: none; }
  html:not([data-theme="light"]) #theme-toggle .moon { display: block; }
}

.tabs {
  display: none;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tab {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
}

.tab.active {
  color: var(--text);
  border-color: var(--accent);
}

.hosts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.host h2 {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 1.25rem;
}

/* Purely decorative bullet before the host name — deliberately not a
   circle/accent-green dot, which reads as an "online" status indicator. */
.host h2 .host-marker {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--text-muted);
  flex-shrink: 0;
}

.host h2 .role {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.4rem;
  margin-bottom: 1rem;
}

.card h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0 0 0.6rem;
}

.card h3 .icon { color: var(--accent); flex-shrink: 0; }

.specs { margin: 0; }

.spec-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.3rem 1rem;
  padding: 0.4rem 0;
  border-top: 1px solid var(--border);
}

.spec-row:first-of-type { border-top: none; padding-top: 0; }

.spec-label { font-size: 0.8rem; color: var(--text-muted); margin: 0; }
.spec-value {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text);
  margin: 0;
}

.drives {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0 0.8rem;
}

.drive-row {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: subgrid;
  align-items: baseline;
  padding: 0.4rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

.drive-row:first-of-type { border-top: none; padding-top: 0; }

.drive-model { color: var(--text); }
.drive-spec { font-family: var(--font-mono); color: var(--text-secondary); white-space: nowrap; text-align: right; }
.drive-role { color: var(--text-muted); font-size: 0.75rem; white-space: nowrap; text-align: right; min-width: 4.5rem; }

.load-error {
  grid-column: 1 / -1;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

footer.page-foot {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 880px) {
  .tabs { display: flex; }
  .hosts { grid-template-columns: 1fr; gap: 0; }
  .host { display: none; }
  .host.active { display: block; }
  .spec-row { grid-template-columns: 100px 1fr; }
}

/* Below ~480px the three-column drive grid squeezes the model name onto
   several lines; switch to model on its own line, spec/role combined
   below it instead. */
@media (max-width: 480px) {
  .drive-row {
    display: block;
    padding: 0.5rem 0;
  }
  .drive-model { display: block; }
  .drive-spec,
  .drive-role {
    display: inline;
    text-align: left;
    white-space: normal;
    min-width: 0;
  }
  .drive-role::before { content: " · "; }
}