:root {
  color-scheme: light;
  --page-bg: #f7f4ea;
  --page-bg-2: #dcefdc;
  --ink: #163227;
  --muted: #5c6f65;
  --accent: #b9091f;
  --accent-soft: rgba(185, 9, 31, 0.10);
  --surface: rgba(255, 255, 255, 0.76);
  --border: rgba(22, 50, 39, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(185, 9, 31, 0.12), transparent 30%),
    linear-gradient(135deg, var(--page-bg), var(--page-bg-2));
  display: grid;
  place-items: center;
  padding: 24px;
}

main {
  width: min(1040px, 100%);
  display: grid;
  gap: 22px;
}

header {
  padding: 0 4px;
}

.eyebrows {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.eyebrow {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font: 700 0.8rem Arial, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 12px;
  font-size: clamp(2.3rem, 6vw, 4.3rem);
  line-height: 0.96;
  letter-spacing: 0;
}

p {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.auth-shell {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 18px;
  backdrop-filter: blur(10px);
  box-shadow: 0 24px 80px rgba(22, 50, 39, 0.12);
}

.app-tabs {
  display: flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.54);
}

.app-tabs button {
  flex: 1;
  padding: 11px 14px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: 700 0.92rem Arial, sans-serif;
  cursor: pointer;
}

.app-tabs button[aria-selected="true"] {
  background: var(--ink);
  color: #ffffff;
  box-shadow: 0 5px 16px rgba(22, 50, 39, 0.18);
}

code {
  font-family: "Courier New", monospace;
  background: rgba(22, 50, 39, 0.08);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--ink);
}


.brand-header {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.brand-header > img {
  display: block;
  width: min(200px, 42vw);
  height: auto;
}

.brand-title {
  flex: 1 1 280px;
}

.brand-title h1 {
  margin: 0 0 7px;
  font: 700 clamp(1.8rem, 3.4vw, 2.45rem)/1.08 "Segoe UI", Arial, sans-serif;
  letter-spacing: -0.03em;
}

.brand-title p {
  font: 400 1rem/1.5 "Segoe UI", Arial, sans-serif;
}

.brand-header .version {
  margin-left: auto;
}

@media (max-width: 560px) {
  body { padding: 18px; }
  .brand-header { align-items: flex-start; gap: 14px; }
  .brand-header > img { width: min(170px, 48vw); }
  .brand-header .version { margin-left: 0; }
  .brand-title { flex-basis: 100%; }
}