.login-shell {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 12% 15%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 45%),
    radial-gradient(circle at 88% 85%, color-mix(in srgb, var(--info) 11%, transparent), transparent 45%),
    var(--bg);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 40px 36px;
  border-radius: var(--radius-lg);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 4px;
}

.login-brand-mark {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: linear-gradient(150deg, var(--accent), var(--info));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #04140b;
  font-size: 0.85rem;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}

.login-brand-text h1 {
  font-size: 1.05rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.login-brand-text p {
  margin: 3px 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.login-title {
  margin: 32px 0 6px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.login-subtitle {
  margin: 0 0 26px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 7px;
  font-weight: 500;
}

.field input {
  width: 100%;
  padding: 0.75em 0.9em;
  border-radius: var(--radius-xs);
  border: 1px solid var(--panel-border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.field input:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--panel-border));
}

.field input:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

.login-submit {
  width: 100%;
  margin-top: 8px;
  padding: 0.8em;
  font-size: 0.95rem;
}

.login-error {
  margin: 0 0 16px;
  padding: 0.65em 0.9em;
  border-radius: var(--radius-xs);
  background: color-mix(in srgb, var(--crit) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--crit) 30%, transparent);
  color: var(--crit);
  font-size: 0.85rem;
  display: none;
}

.login-error.visible {
  display: block;
}

.login-footnote {
  margin-top: 22px;
  font-size: 0.72rem;
  color: var(--text-faint);
  text-align: center;
  line-height: 1.65;
}