/* ── LOGIN ───────────────────────────────────────────────────────── */
.login-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: var(--bg);
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--white);
  border-radius: 16px;
  padding: 40px 32px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.login-title {
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 32px;
}
.login-input {
  display: block;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  background: var(--white);
  margin-bottom: 12px;
}
.login-input:focus { border-color: var(--purple); outline: none; }
.login-btn {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--purple);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: opacity 0.15s;
}
.login-btn:hover { opacity: 0.9; }
.login-btn:disabled { opacity: 0.6; cursor: default; }
.login-error {
  color: var(--danger);
  font-size: 13px;
  text-align: center;
  margin-top: 12px;
  min-height: 18px;
}