:root {
  --bg: #EEF0F3;
  --surface: #FFFFFF;
  --surface-2: #E4E8EC;
  --text-primary: #10151B;
  --text-secondary: #45505C;
  --text-muted: #7C8794;
  --border: #D9DEE4;
  --accent-green: #3B7856;
  --accent-orange: #A85423;
  --accent-orange-vivid: #D3702E;
  --scan-texture: none;
  --font-display: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0A0E13;
    --surface: #12181F;
    --surface-2: #171E26;
    --text-primary: #ECEFF2;
    --text-secondary: #A7B0BA;
    --text-muted: #66707B;
    --border: #232B34;
    --accent-green: #5FAE84;
    --accent-orange: #E8823F;
    --accent-orange-vivid: #E8823F;
    --scan-texture: repeating-linear-gradient(to bottom, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 3px);
  }
}
:root[data-theme="dark"] {
  --bg: #0A0E13;
  --surface: #12181F;
  --surface-2: #171E26;
  --text-primary: #ECEFF2;
  --text-secondary: #A7B0BA;
  --text-muted: #66707B;
  --border: #232B34;
  --accent-green: #5FAE84;
  --accent-orange: #E8823F;
  --accent-orange-vivid: #E8823F;
  --scan-texture: repeating-linear-gradient(to bottom, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 3px);
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
  margin: 0;
  background-color: var(--bg);
  background-image: var(--scan-texture);
  color: var(--text-primary);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 3px;
}
img { max-width: 100%; display: block; }

.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.5rem; }
.prose { max-width: 44rem; }

/* header / nav */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.site-header .wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  padding-top: 1.5rem;
  padding-bottom: 0;
}
.brand { display: flex; align-items: center; gap: 1.1rem; text-decoration: none; padding-bottom: 1.5rem; }
.brand img { height: 108px; width: auto; }
.brand-word { font-family: var(--font-mono); font-weight: 600; font-size: 34px; letter-spacing: 0.02em; }
.brand-word .dot { color: var(--accent-orange); }
nav.primary {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  width: 100%;
  border-top: 1px solid var(--border);
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
nav.primary a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-secondary);
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}
nav.primary a:hover, nav.primary a.active { color: var(--text-primary); border-bottom-color: var(--accent-orange); }

/* footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  padding: 2.25rem 0 3rem;
}
.site-footer .wrap { display: flex; flex-direction: column; gap: 0.6rem; }
.site-footer p { margin: 0; font-size: 13px; color: var(--text-muted); }
.site-footer a { text-decoration: underline; text-decoration-color: var(--accent-orange); text-underline-offset: 2px; }

/* generic type */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin: 0 0 0.9rem;
}
h1 { font-family: var(--font-display); font-weight: 500; font-size: clamp(2rem, 4.4vw, 2.9rem); line-height: 1.15; letter-spacing: -0.01em; text-wrap: balance; margin: 0 0 1.2rem; }
h2 { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.5rem, 3vw, 1.9rem); line-height: 1.25; text-wrap: balance; margin: 2.5rem 0 1rem; }
h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; margin: 0 0 0.4rem; }
p { color: var(--text-secondary); }
.lede { font-size: 1.15rem; line-height: 1.7; color: var(--text-secondary); max-width: 42rem; }
.section { padding: 3rem 0; }
.section + .section { border-top: 1px solid var(--border); }

/* buttons / links */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 0.65rem 1.1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn.primary { background: var(--accent-green); border-color: var(--accent-green); color: #F4FAF7; }
.btn.primary:hover { opacity: 0.9; }
.btn.ghost:hover { border-color: var(--accent-orange); color: var(--accent-orange); }
.btn.danger { background: none; border-color: color-mix(in srgb, #C0392B 45%, var(--border)); color: #C0392B; font-size: 11.5px; padding: 0.4rem 0.75rem; }
.btn.danger:hover { background: color-mix(in srgb, #C0392B 12%, transparent); }

/* admin panel */
.admin-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--border); }
.admin-row-info { min-width: 0; }
.admin-row-info p { margin: 0 0 0.2rem; font-size: 14px; }
.admin-row-info .note { margin: 0; }
.notice.error { border-left-color: #C0392B; }
.link-arrow { font-family: var(--font-mono); font-size: 13px; font-weight: 500; text-decoration: underline; text-decoration-color: var(--accent-orange); text-underline-offset: 3px; }

/* hero */
.hero { padding: clamp(2.5rem, 7vw, 5rem) 0 3rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

/* cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1.5rem; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1.25rem; }
.empty-state { border: 1px dashed var(--border); border-radius: 10px; padding: 2.25rem; text-align: center; color: var(--text-muted); font-family: var(--font-mono); font-size: 13px; }

/* legend + timeline (history page) */
.legend { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; padding: 0.85rem 1.1rem; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); margin: 0 0 2.5rem; }
.legend-item { display: flex; align-items: center; gap: 0.55rem; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.03em; color: var(--text-secondary); }
.legend-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.legend-dot.analog { background: var(--accent-green); }
.legend-dot.digital { background: var(--accent-orange); }

.timeline { position: relative; list-style: none; margin: 0 0 3rem; padding: 0; display: flex; flex-direction: column; gap: 2.5rem; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(to bottom, var(--accent-green), var(--accent-orange)); opacity: 0.45; }
.entry { position: relative; padding-left: 2.6rem; }
.node { position: absolute; left: 0; top: 0.4em; width: 16px; height: 16px; border-radius: 50%; background: var(--node-color); box-shadow: 0 0 0 4px var(--bg), 0 0 9px 0 var(--node-glow); }
.year { display: inline-block; font-family: var(--font-mono); font-size: 13px; font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: 0.04em; color: var(--node-color); margin-bottom: 0.4rem; }
.entry p { max-width: 38rem; }
.note { font-family: var(--font-mono); font-size: 11.5px; line-height: 1.6; color: var(--text-muted); max-width: 40rem; }

/* methodology */
.rubric-table, .tier-table { width: 100%; border-collapse: collapse; margin: 1rem 0 2rem; font-size: 14px; }
.rubric-table th, .rubric-table td, .tier-table th, .tier-table td { text-align: left; padding: 0.65rem 0.75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.rubric-table th, .tier-table th { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); font-weight: 500; }
.tier-badge { display: inline-block; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; letter-spacing: 0.03em; padding: 0.2rem 0.55rem; border-radius: 999px; }
.tier-excellent { background: color-mix(in srgb, var(--accent-green) 20%, transparent); color: var(--accent-green); }
.tier-good { background: color-mix(in srgb, var(--accent-orange-vivid) 18%, transparent); color: var(--accent-orange); }
.tier-may { background: var(--surface-2); color: var(--text-secondary); }
.tier-no { background: var(--surface-2); color: var(--text-muted); }

/* score bars (product detail) */
.score-row { display: grid; grid-template-columns: 11rem 1fr 2.5rem; gap: 0.9rem; align-items: center; margin: 0.55rem 0; }
.score-row .label { font-size: 13.5px; color: var(--text-secondary); }
.score-track { display: block; height: 8px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.score-fill { display: block; height: 100%; background: var(--accent-green); border-radius: 4px; }
.score-value { font-family: var(--font-mono); font-size: 12.5px; text-align: right; font-variant-numeric: tabular-nums; color: var(--text-secondary); }

.tag { display: inline-block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; padding: 0.2rem 0.5rem; border-radius: 4px; background: var(--surface-2); color: var(--text-secondary); margin: 0 0.35rem 0.35rem 0; }

/* forms */
.field { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1.25rem; max-width: 32rem; }
.field label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.03em; color: var(--text-secondary); }
.field input[type="text"], .field input[type="email"], .field input[type="url"], .field input[type="password"], .field textarea, .field select {
  font-family: var(--font-display);
  font-size: 15px;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-primary);
}
.field-check { display: flex; align-items: flex-start; gap: 0.55rem; max-width: 32rem; margin-bottom: 1.5rem; }
.field-check input { margin-top: 0.3rem; }
.field-check label { font-size: 13.5px; color: var(--text-secondary); }
.notice {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-orange);
  border-radius: 0 6px 6px 0;
  padding: 0.75rem 1rem;
  font-size: 13.5px;
  color: var(--text-secondary);
  background: var(--surface);
  margin: 0 0 1.75rem;
  max-width: 38rem;
}
.disclaimer {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 3rem;
}

@media (max-width: 640px) {
  .score-row { grid-template-columns: 8rem 1fr 2.2rem; }
  nav.primary { gap: 0.9rem; }
  .brand img { height: 72px; }
  .brand-word { font-size: 24px; }
}