/* ── Signup popup overlay ── */
#signup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 27, 42, 0.72);
  backdrop-filter: blur(6px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

#signup-overlay.active {
  opacity: 1;
  pointer-events: all;
}

#signup-card {
  background: var(--cream, #FAF6EE);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%;
  max-width: 480px;
  position: relative;
  box-shadow: 0 32px 80px rgba(0,0,0,0.35);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

#signup-overlay.active #signup-card {
  transform: translateY(0);
}

#signup-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-mid, #3D5A73);
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
}

#signup-card h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  color: var(--navy, #0D1B2A);
  margin-bottom: 0.35rem;
}

#signup-card .sub {
  font-size: 0.9rem;
  color: var(--text-mid, #3D5A73);
  margin-bottom: 1.75rem;
}

/* ── Step indicator ── */
#step-indicator {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold, #E8A838);
  margin-bottom: 0.75rem;
}

/* ── Form fields ── */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.875rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy, #0D1B2A);
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select {
  padding: 0.75rem 1rem;
  border: 1.5px solid rgba(13, 27, 42, 0.15);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  background: #fff;
  color: var(--navy, #0D1B2A);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--gold, #E8A838);
}

.form-group.full { grid-column: 1 / -1; }

#signup-submit {
  width: 100%;
  padding: 0.9rem;
  background: var(--gold, #E8A838);
  color: var(--navy, #0D1B2A);
  border: none;
  border-radius: 10px;
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background 0.2s, transform 0.1s;
}

#signup-submit:hover { background: var(--gold-dark, #C88A1A); }
#signup-submit:active { transform: scale(0.98); }
#signup-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-error {
  color: #c0392b;
  font-size: 0.82rem;
  margin-top: -0.5rem;
  margin-bottom: 0.5rem;
  display: none;
}

/* ── Success state ── */
#step-2 { display: none; }

#success-card {
  text-align: center;
  padding: 1rem 0;
}

#success-card .check-icon {
  width: 64px;
  height: 64px;
  background: var(--navy, #0D1B2A);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

#success-card h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  color: var(--navy, #0D1B2A);
  margin-bottom: 0.5rem;
}

#success-card p {
  font-size: 0.95rem;
  color: var(--text-mid, #3D5A73);
  line-height: 1.6;
}

@media (max-width: 540px) {
  #signup-card { margin: 1rem; padding: 2rem 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
}