:root {
  color-scheme: dark;
  --bg: #0c1210;
  --bg2: #141b16;
  --bg3: #1b241c;
  --ink: #e8eee4;
  --mute: #9eaa98;
  --line: #2c362c;
  --accent: #9cb584;
  --btn: #e4ebd8;
  --btn-ink: #10160f;
  --warn: #d4bc7a;
  --ok: #8fbf8a;
  --radius: 14px;
  --max: 68rem;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}
html[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f5ef;
  --bg2: #ffffff;
  --bg3: #eef2e8;
  --ink: #141b16;
  --mute: #4e594c;
  --line: #d3dccb;
  --accent: #3d4f36;
  --btn: #1a2218;
  --btn-ink: #f6f8f2;
  --warn: #7a5e1c;
  --ok: #2f6b3a;
  --shadow: 0 10px 28px rgba(20, 30, 18, 0.08);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background:
    radial-gradient(1200px 420px at 10% -10%, rgba(156, 181, 132, 0.08), transparent 55%),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip {
  position: absolute;
  left: -999px;
}
.skip:focus { left: 8px; top: 8px; background: var(--bg2); padding: 8px 12px; z-index: 20; }
.nav, .foot {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
}
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  z-index: 8;
}
.brand {
  font-weight: 760;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--bg2);
  color: var(--ink);
  border-radius: 10px;
  min-height: 44px;
  padding: 0 0.85rem;
  font: inherit;
  cursor: pointer;
}
.nav-links {
  display: flex;
  gap: 0.35rem 0.85rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
  align-items: center;
}
.nav-links a {
  color: var(--mute);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-links a:hover, .nav-links a[aria-current] { color: var(--ink); }
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; align-items: center; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 100%;
    background: var(--bg2);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem 1.25rem 1rem;
    flex-direction: column;
    align-items: flex-start;
  }
  body.nav-open .nav-links { display: flex; }
}
.foot {
  border-top: 1px solid var(--line);
  margin-top: 3.5rem;
  font-size: 0.92rem;
  color: var(--mute);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 2rem;
}
main { width: min(var(--max), 100%); margin: 0 auto; padding: 1.6rem 1.25rem 3rem; }
h1 {
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  letter-spacing: -0.04em;
  line-height: 1.12;
  margin: 0 0 0.7rem;
}
h2 { font-size: 1.28rem; margin: 2.1rem 0 0.55rem; letter-spacing: -0.02em; }
h3 { font-size: 1.05rem; margin: 1.3rem 0 0.4rem; }
.lede { font-size: 1.12rem; color: var(--mute); max-width: 42rem; }
.hero {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 0.5rem;
}
@media (min-width: 980px) {
  .hero { grid-template-columns: 1.15fr 0.85fr; align-items: start; }
}
.card, .tool {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  margin: 1.1rem 0;
  box-shadow: var(--shadow);
}
.tool { margin-top: 0; }
.tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin: 0 0 0.9rem;
}
.tabs button {
  min-height: 44px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mute);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  font: inherit;
}
.tabs button[aria-selected="true"] {
  background: var(--btn);
  color: var(--btn-ink);
  border-color: transparent;
}
label { display: block; font-size: 0.92rem; margin: 0.7rem 0 0.25rem; }
input, select, textarea, button, .btn { font: inherit; }
input, select, textarea {
  width: 100%;
  padding: 0.7rem 0.75rem;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
}
.row { display: grid; gap: 0.75rem; }
@media (min-width: 640px) {
  .row-2 { grid-template-columns: 1fr 1fr; }
  .row-3 { grid-template-columns: 1fr 1fr 1fr; }
}
.btn, button.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  padding: 0.75rem 1.05rem;
  min-height: 44px;
  border: 0;
  border-radius: 10px;
  background: var(--btn);
  color: var(--btn-ink);
  font-weight: 680;
  text-decoration: none;
  cursor: pointer;
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.result { font-size: 1.2rem; font-weight: 700; margin: 0.45rem 0; letter-spacing: -0.02em; }
.fine { font-size: 0.88rem; color: var(--mute); }
.note { color: var(--warn); font-size: 0.92rem; }
.ok { color: var(--ok); }
ul.clean { padding-left: 1.15rem; }
.theme-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--mute);
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  min-height: 40px;
  cursor: pointer;
}
.aff { font-size: 0.85rem; color: var(--mute); margin-top: 0.45rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; margin: 1rem 0; }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 0.55rem 0.4rem; vertical-align: top; }
th { color: var(--mute); font-weight: 650; }
details { margin: 0.55rem 0; }
summary { cursor: pointer; font-weight: 650; }
.grid-cards {
  display: grid;
  gap: 0.9rem;
  margin: 1.2rem 0;
}
@media (min-width: 720px) {
  .grid-cards { grid-template-columns: 1fr 1fr; }
}
.mini {
  display: block;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg3);
  text-decoration: none;
  color: inherit;
}
.mini strong { display: block; margin-bottom: 0.25rem; }
.mini span { color: var(--mute); font-size: 0.92rem; }
.kicker { font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); font-weight: 700; margin: 0 0 0.4rem; }
.sources { font-size: 0.88rem; color: var(--mute); }
.panel { background: var(--bg3); border-radius: 12px; padding: 0.9rem 1rem; margin-top: 0.8rem; }
@media (min-width: 980px) {
  .split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 1.5rem; align-items: start; }
}