.signin-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.signin-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow);
}
.signin-brand { margin: 0 0 16px; font-weight: 700; letter-spacing: .02em; }
.signin-brand .sep { color: var(--accent); margin: 0 1px; }
.signin-brand .unit { color: var(--ink-2); font-weight: 600; }
.signin-card h1 { margin: 0 0 8px; font-size: 1.5rem; }
.signin-copy { margin: 0 0 20px; color: var(--ink-2); font-size: 14px; line-height: 1.5; }
.signin-form { display: grid; gap: 8px; }
.signin-label { font-size: 12px; font-weight: 600; color: var(--ink-2); }
.signin-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--panel-2);
  color: var(--ink);
  font: inherit;
}
.signin-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.signin-form .signin-btn { margin-top: 8px; }
.signin-btn {
  width: 100%;
  border: 0;
  border-radius: 8px;
  padding: 11px 14px;
  background: var(--accent);
  color: var(--accent-sc);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.signin-btn:disabled { opacity: .55; cursor: wait; }
.signin-btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.or {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0;
  color: var(--ink-3);
  font-size: 12px;
}
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.signin-msg {
  margin: 0 0 16px;
  padding: 10px 12px;
  border: 1px solid var(--bad);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bad) 12%, transparent);
  color: var(--bad);
  font-size: 14px;
  line-height: 1.45;
}
.signin-msg[hidden] { display: none; }