:root {
  color-scheme: light;
  --bg: #eef3f9;
  --card: #ffffff;
  --text: #152033;
  --muted: #5d6b7c;
  --line: #d9e2ec;
  --primary: #1d4ed8;
  --primary-press: #1e40af;
  --ok: #0f7b4c;
  --bad: #b42318;
  --bad-bg: #fef3f2;
  --ok-bg: #ecfdf3;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
}
* { box-sizing: border-box; }
body.auth-body {
  margin: 0;
  min-height: 100dvh;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, #dbeafe 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #e0e7ff 0%, transparent 50%),
    var(--bg);
}
.auth-shell {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px 16px 40px;
}
.auth-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}
.brand { display:flex; gap:10px; align-items:center; margin-bottom: 4px; }
.logo-img {
  width: 96px; height: 96px;
  object-fit: contain; object-position: center;
  background: transparent;
  border: 0;
  border-radius: 0;
  flex-shrink: 0;
  display: block;
}
.eyebrow { margin:0; color:var(--muted); font-size:0.75rem; font-weight:650; letter-spacing:.06em; text-transform:uppercase; }
h1 { margin: 2px 0 0; font-size: 1.45rem; letter-spacing: -0.03em; }
.lede { color: var(--muted); line-height: 1.45; margin: 12px 0 18px; font-size: 0.95rem; }
.stack { display:grid; gap: 12px; }
.field { display:grid; gap: 6px; font-size: 0.85rem; font-weight: 600; color: var(--muted); }
.field input {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: #f8fafc;
}
.field input:focus { outline: 2px solid #93c5fd; border-color: #60a5fa; background: #fff; }
.btn {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  width: 100%;
}
.btn.primary { background: var(--primary); color: white; }
.btn.primary:hover { background: var(--primary-press); }
.btn.secondary {
  background: #f8fafc;
  border: 1px solid var(--line);
  color: var(--text);
  display:flex; gap:8px; align-items:center; justify-content:center;
}
.btn:disabled { opacity: .6; cursor: wait; }
.divider { display:flex; align-items:center; gap:10px; margin: 16px 0; color: var(--muted); font-size: 0.8rem; }
.divider::before, .divider::after { content:""; flex:1; height:1px; background: var(--line); }
.links { display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-top: 16px; font-size: 0.9rem; }
.links a, .linkish { color: var(--primary); }
.fineprint { margin-top: 16px; color: var(--muted); font-size: 0.8rem; text-align:center; }
.alert { border-radius: 12px; padding: 10px 12px; margin-bottom: 12px; font-size: 0.9rem; }
.alert.bad { background: var(--bad-bg); color: var(--bad); }
.alert.ok { background: var(--ok-bg); color: var(--ok); }

.btn.secondary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.btn .icon { flex-shrink: 0; display: block; }