@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  color-scheme: dark;
  --bg: #09090b;
  --elev: #18181b;
  --fg: #fafafa;
  --muted: #a1a1aa;
  --dim: #71717a;
  --line: #27272a;
  --btn: #e4e4e7;
  --btn-fg: #18181b;
  --ok: #a7f3d0;
  --err: #fecaca;
  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f4f5;
  --elev: #ffffff;
  --fg: #18181b;
  --muted: #52525b;
  --dim: #71717a;
  --line: #e4e4e7;
  --btn: #18181b;
  --btn-fg: #fafafa;
  --ok: #065f46;
  --err: #991b1b;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
}
a { color: inherit; }
h1 { font-size: 1.7rem; letter-spacing: -0.03em; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 0 0 8px; }
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 20px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--bg);
}
.brand { font-weight: 700; text-decoration: none; letter-spacing: -0.02em; }
.top-actions, .inline { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.who { color: var(--muted); font-size: 0.85rem; }
main { width: min(920px, 100%); margin: 0 auto; padding: 28px 20px 48px; }
main.narrow { width: min(420px, 100%); }
.muted { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-top: 18px; }
.card, .panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--elev);
  padding: 18px;
}
.card p { color: var(--muted); margin: 0 0 14px; }
.panel { margin-top: 22px; }
.form, .account { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.form { flex-direction: column; align-items: stretch; }
.account { border-top: 1px solid var(--line); padding: 12px 0; }
.account-id { display: flex; flex-direction: column; min-width: 220px; flex: 1; }
label { font-size: 0.8rem; color: var(--muted); }
.check { display: flex; gap: 8px; align-items: center; color: var(--fg); font-size: 0.9rem; }
input[type="email"], input[type="password"] {
  width: 100%; padding: 11px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--fg); font: inherit;
}
.btn {
  border: 0; border-radius: 10px; padding: 10px 14px;
  background: var(--btn); color: var(--btn-fg);
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center;
}
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.alert, .ok { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.alert { color: var(--err); }
.ok { color: var(--ok); }
.ml-theme { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.ml-theme button {
  border: 0; background: transparent; color: var(--muted);
  font: inherit; font-size: 0.8rem; font-weight: 600;
  padding: 6px 10px; cursor: pointer;
}
.ml-theme button[aria-pressed="true"] { background: var(--btn); color: var(--btn-fg); }