/* ── Setup Section ── */
.setup-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 2.5rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.setup-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.5;
}
.setup-section h2 {
  color: var(--gold-light);
  font-size: 1.55rem;
  margin-bottom: 2rem;
  text-align: center;
  letter-spacing: 0.2px;
}

/* ── Form Grid ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.45rem; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

/* ── Inputs ── */
.form-input {
  padding: 0.78rem 1rem;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  font-family: inherit;
  width: 100%;
}
.form-input:focus {
  border-color: var(--gold);
  background: rgba(245,200,66,0.04);
  box-shadow: 0 0 0 3px rgba(245,200,66,0.1);
}
.form-input::placeholder { color: var(--text-muted); }
select.form-input { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239d8ec0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
select.form-input option { background: #1a1028; color: var(--text-primary); }

/* ── Budget Display ── */
.budget-display {
  text-align: center;
  font-size: 2.8rem;
  color: var(--gold);
  font-weight: 700;
  margin: 0.5rem 0;
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
  text-shadow: var(--shadow-gold);
}

/* ── Range Slider ── */
input[type="range"] {
  width: 100%;
  accent-color: var(--gold);
  cursor: pointer;
  margin: 0.4rem 0;
  height: 4px;
}
.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* ── Buttons ── */
.btn {
  padding: 0.85rem 2.5rem;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  letter-spacing: 0.2px;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold-light) 0%, #e8a020 100%);
  color: #1a0e00;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245,200,66,0.4);
  filter: brightness(1.07);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; filter: none; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.55rem 1.1rem;
  font-size: 0.82rem;
  border-radius: var(--radius-xs);
}
.btn-outline:hover {
  border-color: var(--border-gold);
  color: var(--gold);
  background: var(--gold-dim);
}

.btn-center {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}
.btn-center .btn-primary {
  padding: 1rem 3.5rem;
  font-size: 1rem;
  border-radius: var(--radius-sm);
}

/* ── API Key Details ── */
.api-setup {
  background: rgba(245,200,66,0.04);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 1rem 1.3rem;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.api-setup summary {
  cursor: pointer;
  color: var(--gold);
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
}
.api-setup summary::before { content: '🔑'; font-size: 0.85rem; }
.api-setup .steps {
  margin-top: 0.9rem;
  padding-left: 1.3rem;
  line-height: 1.8;
}
.api-setup .steps li { margin-bottom: 0.2rem; }
.api-key-input {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.9rem;
  align-items: center;
}
.api-key-input input { flex: 1; }
.api-status { font-size: 0.78rem; margin-top: 0.5rem; }
.api-status.connected { color: var(--green); }
.api-status.error { color: var(--red); }

@media (max-width: 640px) {
  .setup-section { padding: 1.5rem; }
  .form-grid { grid-template-columns: 1fr; }
}