:root {
  color-scheme: dark;
  --ink: #161a13;
  --soil: #1c2119;
  --soil-2: #141810;
  --bark: #3d3428;
  --moss: #4a6b3f;
  --moss-hi: #6f9459;
  --fern: #8fa87c;
  --amber: #d9a441;
  --amber-hi: #f0c96b;
  --paper: #e2dbc7;
  --paper-2: #cdc4ac;
  --paper-hi: #f2ecdd;
  --muted: #7d7a63;
  --page-a: #2b3324;
  --page-b: #1c2119;
  --page-c: #0d1009;
  --brand-under: #f2ecdd;
  --brand-story: #f0c96b;
  --scan: rgba(0, 0, 0, .13);
  --shadow: rgba(0, 0, 0, .55);
  --caption: var(--bark);
  --link: var(--bark);
  --bar-text: var(--amber-hi);
  --bar-sub: var(--fern);
  --footer-text: var(--fern);
  --footer-link: var(--fern);
  --toggle-bg: var(--soil);
  --toggle-text: var(--amber-hi);

  /* Compatibility aliases for the original page structure. */
  --ground: var(--page-b);
  --edge: var(--ink);
  --frame: var(--bark);
  --paper2: var(--paper-2);
  --paperHi: var(--paper-hi);
  --accent: var(--moss);
  --accentHi: var(--moss-hi);
  --gold: var(--amber);
  --goldHi: var(--amber-hi);
  --inkSoft: var(--caption);
}

:root[data-tema="claro"] {
  color-scheme: light;
  --ink: #2a3226;
  --soil: #3a5531;
  --soil-2: #4a6b3f;
  --bark: #9c8b6a;
  --moss: #4a6b3f;
  --moss-hi: #6f9459;
  --fern: #5f7a4e;
  --amber: #c68a2a;
  --amber-hi: #e0aa4a;
  --paper: #efe9d9;
  --paper-2: #d6cfb9;
  --paper-hi: #fdfaf0;
  --muted: #7a7561;
  --page-a: #e7e1cc;
  --page-b: #cdc6ad;
  --page-c: #b3ab90;
  --brand-under: #fdfaf0;
  --brand-story: #f6dd9a;
  --scan: rgba(90, 80, 50, .05);
  --shadow: rgba(60, 55, 35, .30);
  --caption: #475439;
  --link: #33402c;
  --bar-text: #fdfaf0;
  --bar-sub: #cfe0c4;
  --footer-text: #e7e1cc;
  --footer-link: #e7e1cc;
  --toggle-bg: var(--paper);
  --toggle-text: var(--ink);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--page-c);
}

body {
  position: relative;
  isolation: isolate;
  margin: 0;
  min-height: 100vh;
  padding: 16px 16px 44px;
  background: linear-gradient(180deg, var(--page-a), var(--page-b) 56%, var(--page-c));
  color: var(--paper-hi);
  font-family: ui-monospace, "Courier New", monospace;
  font-size: 15px;
  line-height: 1.7;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  background: repeating-linear-gradient(0deg, var(--scan) 0 1px, transparent 1px 4px);
}

.theme-toggle {
  display: flex;
  justify-content: flex-end;
  width: min(860px, 100%);
  margin: 0 auto 12px;
}

.theme-toggle button {
  min-height: 32px;
  padding: 5px 9px;
  border: 2px solid var(--ink);
  background: var(--toggle-bg);
  color: var(--toggle-text);
  font: 700 11px/1 ui-monospace, "Courier New", monospace;
  letter-spacing: .06em;
  cursor: pointer;
}

.theme-toggle button + button { border-left: 0; }

.theme-toggle button[aria-pressed="true"] {
  background: var(--moss);
  color: var(--paper-hi);
}

.theme-toggle button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--amber-hi);
  outline-offset: 3px;
}

.wrap { max-width: 860px; margin: 0 auto; }
.wrap.narrow { max-width: 760px; }
.wrap.compact { max-width: 620px; }

.win {
  overflow: hidden;
  margin-bottom: 22px;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: inset -2px -2px 0 var(--paper-2),
    inset 2px 2px 0 var(--paper-hi), 4px 5px 0 var(--shadow);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 10px;
  background: var(--soil);
  border-bottom: 2px solid var(--ink);
}

.bar b {
  color: var(--bar-text);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .07em;
  white-space: nowrap;
}

.bar .st {
  overflow: hidden;
  color: var(--bar-sub);
  font-size: 11px;
  letter-spacing: .08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btns {
  flex: 0 0 auto;
  color: var(--bar-sub);
  font-size: 12px;
  letter-spacing: .35em;
}

.body {
  padding: 26px 24px;
  background: var(--paper);
  color: var(--ink);
}

h1, h2, h3, h4 { color: var(--ink); }
h1 { margin: 0 0 4px; font-size: clamp(30px, 7vw, 44px); letter-spacing: .1em; line-height: 1.08; }
h2 { margin: 0 0 16px; font-size: 17px; letter-spacing: .08em; text-transform: uppercase; }
h3 { margin: 22px 0 6px; color: var(--caption); font-size: 13px; letter-spacing: .09em; text-transform: uppercase; }
h3:first-child { margin-top: 0; }
p { max-width: 64ch; margin: 0 0 15px; }
.lede { font-size: 18px; line-height: 1.6; }
.kicker { margin: 0 0 20px; color: var(--caption); font-size: 12px; letter-spacing: .16em; }

a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--moss-hi); }

.rule { height: 2px; margin: 22px 0; background: var(--moss); }
.tag { display: inline-block; padding: 3px 10px; background: var(--moss); color: var(--paper-hi); font-size: 11px; letter-spacing: .12em; }

.steps li::before { background: var(--moss); color: var(--paper-hi); }
.steps span, .cap, .plan .when, .note { color: var(--caption); }
.cover { border-color: var(--ink); }
.plan { background: var(--paper-2); border-left-color: var(--moss); }
.plan.pro { border-left-color: var(--amber); }
.note { background: var(--paper-2); border-left-color: var(--amber); }

.auth { background: var(--soil-2) !important; }
.auth:nth-child(2) { background: var(--soil) !important; }
.auth b, .auth span { color: var(--paper-hi) !important; opacity: 1; }

.foot {
  background: var(--soil-2);
  color: var(--footer-text);
}

.foot b { color: var(--paper-hi); }
.foot a { color: var(--footer-link); }

.legal h1 { font-size: clamp(24px, 6vw, 34px); }
.legal h2 { margin-top: 26px; }
.legal h2:first-of-type { margin-top: 0; }
.legal .body { line-height: 1.75; }
.legal .back { display: inline-block; margin-bottom: 16px; font-size: 12px; letter-spacing: .08em; }
.legal .box { padding: 15px; margin-bottom: 15px; background: var(--paper-2); border-left: 3px solid var(--moss); }
.legal .note { padding: 15px; margin-bottom: 15px; background: var(--paper-2); border-left: 3px solid var(--amber); }
.legal ul { margin: 0 0 15px; padding-left: 18px; }
.legal li { margin-bottom: 8px; }
.legal table { width: 100%; margin-bottom: 15px; border-collapse: collapse; font-size: 14px; }
.legal th, .legal td { padding: 7px 8px; border-bottom: 1px solid var(--bark); text-align: left; }
.legal th { color: var(--caption); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }

.not-found { text-align: center; }
.not-found h1 { margin-bottom: 14px; }
.not-found .body { padding: 42px 24px; }
.not-found .actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 24px; }
.not-found .actions a { display: inline-block; padding: 8px 12px; background: var(--moss); color: var(--paper-hi); font-weight: 700; text-decoration: none; }

@media (min-width: 660px) {
  .theme-toggle { margin-bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}