:root {
  --bg: #f3f0ea;
  --bg-elev: #fffdf8;
  --ink: #1c1916;
  --muted: #6b635a;
  --line: #ddd4c8;
  --accent: #0f6b5c;
  --accent-ink: #ffffff;
  --danger: #a33b2a;
  --radius: 12px;
  --font: "Segoe UI", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141210;
    --bg-elev: #1e1b18;
    --ink: #f4efe7;
    --muted: #a59b90;
    --line: #3a342e;
    --accent: #2bb89a;
    --accent-ink: #06241e;
  }
}

html[data-theme="light"] {
  --bg: #f3f0ea;
  --bg-elev: #fffdf8;
  --ink: #1c1916;
  --muted: #6b635a;
  --line: #ddd4c8;
  --accent: #0f6b5c;
  --accent-ink: #ffffff;
}

html[data-theme="dark"] {
  --bg: #141210;
  --bg-elev: #1e1b18;
  --ink: #f4efe7;
  --muted: #a59b90;
  --line: #3a342e;
  --accent: #2bb89a;
  --accent-ink: #06241e;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(15, 107, 92, 0.12), transparent 55%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell { max-width: 960px; margin: 0 auto; padding: 1.25rem; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; margin-bottom: 1.5rem;
}
.brand { font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em; color: var(--ink); }
.brand span { color: var(--accent); }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.card h1 { margin: 0 0 0.35rem; font-size: 1.4rem; }
.card p.lead { margin: 0 0 1.25rem; color: var(--muted); }

.auth-wrap { max-width: 420px; margin: 3rem auto; }

label { display: block; font-size: 0.85rem; margin: 0.75rem 0 0.35rem; color: var(--muted); }
input, select, button, textarea {
  font: inherit; width: 100%;
}
input, select, textarea {
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
}
button {
  margin-top: 1rem;
  border: 0;
  border-radius: 8px;
  padding: 0.7rem 1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  cursor: pointer;
}
button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 0.75rem;
  background: var(--bg-elev);
  color: var(--ink);
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
  padding: 0.7rem 1rem;
}
.btn-google:hover { text-decoration: none; border-color: var(--muted); }
.btn-google svg { flex-shrink: 0; }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.1rem 0 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
button:disabled { opacity: 0.6; cursor: not-allowed; }

.err {
  margin-top: 0.75rem;
  color: var(--danger);
  font-size: 0.9rem;
  white-space: pre-wrap;
}
.ok {
  margin-top: 0.75rem;
  color: var(--accent);
  font-size: 0.9rem;
}

.nav {
  display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center;
}
.nav a, .nav button.linkish {
  width: auto; margin: 0; padding: 0;
  background: none; border: 0; color: var(--muted); font-weight: 500; cursor: pointer;
}
.nav a.active, .nav a:hover { color: var(--ink); }

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.muted { color: var(--muted); font-size: 0.92rem; }
.list { list-style: none; padding: 0; margin: 0; }
.list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 1rem;
}
.badge {
  font-size: 0.75rem; padding: 0.15rem 0.45rem;
  border-radius: 999px; border: 1px solid var(--line); color: var(--muted);
}