/* ═══ Paddle Builder ═══ */
.builder-section {
  background: var(--neutral-50);
}

/* ─── Start Cards ─── */
.builder-start {
  padding: 20px 0;
}
.builder-start-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.builder-start-card {
  background: #fff;
  border: 2px solid var(--neutral-200);
  border-radius: 14px;
  padding: 28px 20px;
  cursor: pointer;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  user-select: none;
  position: relative;
}
.builder-start-card:hover {
  border-color: var(--green-500);
  box-shadow: 0 6px 24px rgba(34,197,94,0.12);
  transform: translateY(-3px);
}
.builder-start-card:active {
  transform: translateY(0) scale(0.97);
}
.start-icon {
  font-size: 2.5rem;
  display: block;
}
.start-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--neutral-900);
}
.start-desc {
  font-size: 0.8125rem;
  color: var(--neutral-500);
  line-height: 1.5;
}
.start-arrow {
  font-size: 1.25rem;
  color: var(--green-600);
  font-weight: 700;
  transition: transform 0.2s;
}
.builder-start-card:hover .start-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .builder-start-grid { grid-template-columns: 1fr; }
  .builder-start-card { padding: 20px 16px; flex-direction: row; text-align: left; gap: 12px; }
}

/* ─── Tabs ─── */
.builder-tabs {
  display: flex;
  gap: 0;
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.builder-tab {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: var(--neutral-50);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  text-align: left;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  border-right: 1px solid var(--neutral-200);
  position: relative;
  user-select: none;
}
.builder-tab:last-child {
  border-right: none;
}
.builder-tab:hover {
  background: var(--green-100);
  box-shadow: inset 0 0 0 1px var(--green-200);
}
.builder-tab:active {
  background: var(--green-200);
  transform: scale(0.98);
}
.builder-tab.active {
  background: var(--green-600);
  color: #fff;
  box-shadow: 0 2px 8px rgba(22,163,74,0.2);
}
.builder-tab.active:hover {
  background: var(--green-700);
  box-shadow: 0 4px 12px rgba(22,163,74,0.3);
}
.builder-tab.active .tab-sub {
  color: rgba(255,255,255,0.7);
}

.tab-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}
.tab-label {
  display: block;
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.2;
}
.tab-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--neutral-400);
  font-weight: 400;
  margin-top: 1px;
}

/* ─── Panel ─── */
.builder-panel {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: 14px;
  overflow: hidden;
  display: none;
}
.builder-panel.active {
  display: block;
}

/* ─── Steps ─── */
.builder-steps {
  display: flex;
  border-bottom: 1px solid var(--neutral-200);
  overflow-x: auto;
  padding: 0 2px;
  background: var(--neutral-50);
}
.builder-step-tab {
  padding: 10px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--neutral-400);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  cursor: default;
  transition: color 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.builder-step-tab.active {
  color: var(--green-700);
  border-bottom-color: var(--green-600);
}
.builder-step-tab.done {
  color: var(--green-600);
}
.builder-step-tab .step-num {
  display: inline-flex;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--neutral-200);
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  margin-right: 4px;
  color: #fff;
  font-weight: 700;
}
.builder-step-tab.active .step-num {
  background: var(--green-600);
}
.builder-step-tab.done .step-num {
  background: var(--green-400);
}

.builder-body {
  padding: 20px 24px 24px;
}

.builder-step-content {
  display: none;
}
.builder-step-content.active {
  display: block;
}

.builder-step-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.builder-step-desc {
  font-size: 0.8125rem;
  color: var(--neutral-500);
  margin-bottom: 18px;
}

/* ─── Options ─── */
.builder-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.builder-option {
  background: #fff;
  border: 2px solid var(--neutral-200);
  border-radius: 10px;
  padding: 14px 12px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.15s;
  position: relative;
  text-align: center;
  user-select: none;
}
.builder-option:hover {
  border-color: var(--green-400);
  background: var(--green-50);
  box-shadow: 0 2px 8px rgba(34,197,94,0.1);
  transform: translateY(-1px);
}
.builder-option:active {
  transform: translateY(0) scale(0.98);
}
.builder-option.selected {
  border-color: var(--green-600);
  background: var(--green-50);
  box-shadow: 0 0 0 2px rgba(34,197,94,0.15), 0 2px 8px rgba(34,197,94,0.1);
}
.builder-option.recommended {
  border-color: var(--accent);
}
.builder-option .rec-badge {
  position: absolute;
  top: -6px;
  right: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.5625rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.builder-option-title {
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.builder-option-desc {
  font-size: 0.6875rem;
  color: var(--neutral-500);
  line-height: 1.4;
}
.builder-option-price {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--green-700);
  background: var(--green-100);
  padding: 1px 6px;
  border-radius: 3px;
  margin-top: 6px;
}

/* ─── Nav ─── */
.builder-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-top: 1px solid var(--neutral-200);
  background: var(--neutral-50);
}
.builder-nav-left {
  font-size: 0.75rem;
  color: var(--neutral-500);
}
.builder-nav-right {
  display: flex;
  gap: 10px;
}

/* ─── Summary ─── */
.builder-summary {
  display: none;
}
.builder-summary.active {
  display: block;
}

.summary-header {
  text-align: center;
  margin-bottom: 24px;
}
.summary-header .big-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 8px;
}
.summary-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.summary-header p {
  color: var(--neutral-500);
  font-size: 0.875rem;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.summary-card {
  background: var(--neutral-50);
  border: 1px solid var(--neutral-200);
  border-radius: 10px;
  padding: 12px;
}
.summary-card-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--neutral-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}
.summary-card-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--neutral-800);
}

.summary-price-box {
  background: var(--green-900);
  color: #fff;
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}
.summary-price-label {
  font-size: 0.8125rem;
  color: var(--green-400);
}
.summary-price-amount {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}
.summary-price-note {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  text-align: right;
}

.summary-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── responsive ─── */
@media (max-width: 768px) {
  .builder-tab { padding: 10px 12px; }
  .tab-icon { font-size: 1.125rem; }
  .tab-label { font-size: 0.8125rem; }
  .tab-sub { display: none; }
  .builder-options { grid-template-columns: 1fr 1fr; }
  .summary-cards { grid-template-columns: 1fr; }
  .builder-nav { flex-direction: column; gap: 10px; }
  .builder-steps { padding: 0; }
  .builder-step-tab { padding: 8px 10px; font-size: 0.6875rem; }
  .builder-body { padding: 16px; }
}

@media (max-width: 480px) {
  .builder-options { grid-template-columns: 1fr; }
}