/*============================================================
  Divine Touch Plumbing - Geyser Sizing & Cost Calculator CSS
  Matches Site Theme: Theme Red (#D6020C), Navy Blue (#020087), Light BG (#F6F6F6)
==============================================================*/

:root {
  --dtp-navy: #020087;
  --dtp-blue: #0049D0;
  --dtp-sky: #00BFFF;
  --dtp-red: #D6020C;
  --dtp-red-hover: #B00209;
  --dtp-green: #10B981;
  --dtp-amber: #F59E0B;
  --dtp-bg-light: #F6F6F6;
  --dtp-text-muted: #757F95;
  --dtp-border: #E2E8F0;
  --dtp-radius-sm: 8px;
  --dtp-radius-md: 14px;
  --dtp-radius-lg: 20px;
}

/* Rule Card */
.dtp-rule-card {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8efff 100%);
  border: 2px solid #c7d7fe;
  border-radius: var(--dtp-radius-md);
  padding: 2rem;
  margin: 1.75rem 0;
}

.dtp-rule-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.dtp-rule-icon {
  width: 56px;
  height: 56px;
  background: var(--dtp-navy);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 6px 16px rgba(2, 0, 135, 0.25);
}

.dtp-rule-icon i {
  font-size: 1.75rem;
}

.dtp-rule-title-group h3 {
  font-size: 1.35rem;
  color: var(--dtp-navy);
  margin-bottom: 0.25rem;
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-weight: 700;
}

.dtp-rule-title-group p {
  color: var(--dtp-blue);
  font-size: 0.95rem;
  font-weight: 500;
  margin: 0;
}

.dtp-water-usage-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.dtp-usage-item {
  background: #ffffff;
  border-radius: var(--dtp-radius-sm);
  padding: 1rem;
  border: 1px solid #dbeafe;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.dtp-usage-val {
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dtp-red);
}

.dtp-usage-lbl {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dtp-text-muted);
  margin-top: 0.25rem;
}

/* ============================================================
   CALCULATOR COMPONENT
============================================================== */
.dtp-calc-widget-container {
  font-family: var(--body-font, 'Roboto', sans-serif);
  color: var(--color-dark, #020087);
  background: #ffffff;
  border: 2px solid var(--dtp-navy);
  border-radius: var(--dtp-radius-lg);
  box-shadow: 0 16px 40px rgba(2, 0, 135, 0.12);
  overflow: hidden;
  margin: 2rem 0 3rem;
  box-sizing: border-box;
}

.dtp-calc-head {
  background: linear-gradient(135deg, var(--dtp-navy) 0%, #002c80 100%);
  color: #ffffff;
  padding: 2rem 2.25rem;
  position: relative;
}

.dtp-calc-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--dtp-sky);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}

.dtp-calc-head h3 {
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.dtp-calc-head p {
  font-size: 0.95rem;
  color: #e2e8f0;
  margin: 0;
}

.dtp-calc-content {
  padding: 2rem 2.25rem;
}

.dtp-calc-step-row {
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--dtp-border);
}

.dtp-calc-step-row:last-of-type {
  border-bottom: none;
  margin-bottom: 0.5rem;
  padding-bottom: 0;
}

.dtp-calc-step-title {
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dtp-navy);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.dtp-calc-step-num {
  width: 26px;
  height: 26px;
  background: var(--dtp-navy);
  color: white;
  border-radius: 50%;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

/* System Cards */
.dtp-system-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.dtp-sys-card {
  background: var(--dtp-bg-light);
  border: 2px solid var(--dtp-border);
  border-radius: var(--dtp-radius-md);
  padding: 1.25rem 0.85rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  user-select: none;
}

.dtp-sys-card:hover {
  border-color: var(--dtp-blue);
  transform: translateY(-2px);
}

.dtp-sys-card.active {
  background: #ffffff;
  border-color: var(--dtp-navy);
  box-shadow: 0 6px 20px rgba(2, 0, 135, 0.15);
}

.dtp-sys-card.active::after {
  content: '✓ Selected';
  position: absolute;
  top: -10px;
  right: 10px;
  background: var(--dtp-red);
  color: white;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
}

.dtp-sys-name {
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dtp-navy);
  margin-bottom: 0.25rem;
}

.dtp-sys-desc {
  font-size: 0.78rem;
  color: var(--dtp-text-muted);
  line-height: 1.35;
}

/* Inputs Row */
.dtp-inputs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.dtp-btn-group {
  display: flex;
  background: var(--dtp-bg-light);
  border: 1px solid var(--dtp-border);
  border-radius: var(--dtp-radius-md);
  padding: 0.3rem;
  gap: 0.3rem;
}

.dtp-pill-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.65rem 0.35rem;
  border-radius: var(--dtp-radius-sm);
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: #475569;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dtp-pill-btn span.sub {
  font-family: var(--body-font, 'Roboto', sans-serif);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--dtp-text-muted);
}

.dtp-pill-btn.active {
  background: var(--dtp-navy);
  color: #ffffff;
}

.dtp-pill-btn.active span.sub {
  color: var(--dtp-sky);
}

/* Toggles */
.dtp-toggles-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  background: #f1f5f9;
  padding: 0.75rem 1.25rem;
  border-radius: var(--dtp-radius-md);
  align-items: center;
  justify-content: space-between;
}

.dtp-toggle-lbl {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: #1e293b;
  cursor: pointer;
}

.dtp-toggle-lbl input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--dtp-red);
  cursor: pointer;
}

/* Output Card */
.dtp-calc-out-box {
  margin-top: 2rem;
  background: linear-gradient(135deg, var(--dtp-navy) 0%, #001a66 100%);
  border-radius: var(--dtp-radius-md);
  padding: 2rem;
  color: white;
  box-shadow: 0 12px 30px rgba(2, 0, 135, 0.25);
}

.dtp-out-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.75rem;
  align-items: center;
}

.dtp-out-size-highlight {
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-size: 2.75rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.1;
  margin: 0.35rem 0;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.dtp-out-unit {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dtp-sky);
}

.dtp-cost-box {
  background: #ffffff;
  border-radius: var(--dtp-radius-sm);
  padding: 1.35rem;
  color: #0f172a;
}

.dtp-cost-title {
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-size: 1rem;
  font-weight: 800;
  color: var(--dtp-navy);
  margin-bottom: 0.75rem;
}

.dtp-cost-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  background: var(--dtp-bg-light);
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
  gap: 0.5rem;
}

/* keep the "Gas:" / "Solar:" label on one line; when space runs out the
   savings badge drops below the price instead of squeezing the label */
.dtp-cost-item > span:first-child {
  flex-shrink: 0;
  white-space: nowrap;
}

.dtp-cost-item > div {
  min-width: 0;
  text-align: right;
}

.dtp-cost-item.active {
  background: #eff6ff;
  border: 1.5px solid var(--dtp-blue);
  font-weight: 700;
}

.dtp-cost-val {
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--dtp-navy);
}

/* Actions */
.dtp-actions-row {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.dtp-cta-btn {
  flex: 1;
  min-width: 220px;
  background: var(--dtp-red);
  color: white !important;
  border: none;
  padding: 0.95rem 1.5rem;
  border-radius: 999px;
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(214, 2, 12, 0.4);
}

.dtp-cta-btn:hover {
  background: var(--dtp-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(214, 2, 12, 0.5);
}

.dtp-call-btn {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white !important;
  padding: 0.95rem 1.35rem;
  border-radius: 999px;
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.dtp-call-btn:hover {
  background: white;
  color: var(--dtp-navy) !important;
}

/* Technical Matrix Table */
.dtp-matrix-wrap {
  overflow-x: auto;
  margin: 1.75rem 0;
  border-radius: var(--dtp-radius-md);
  border: 1px solid var(--dtp-border);
}

.dtp-matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.dtp-matrix-table th {
  background: var(--dtp-navy);
  color: white;
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-weight: 700;
  padding: 1.1rem 1.25rem;
}

.dtp-matrix-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--dtp-border);
  color: #334155;
}

.dtp-matrix-table tr:nth-child(even) {
  background: var(--dtp-bg-light);
}

.dtp-status-pill {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.dtp-pill-green { background: #dcfce7; color: #15803d; }
.dtp-pill-blue { background: #dbeafe; color: #1e40af; }
.dtp-pill-amber { background: #fef3c7; color: #b45309; }

/* Compliance Checklist */
.dtp-compliance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.dtp-compliance-card {
  background: var(--dtp-bg-light);
  border: 1px solid var(--dtp-border);
  border-left: 4px solid var(--dtp-navy);
  border-radius: var(--dtp-radius-sm);
  padding: 1.25rem;
}

.dtp-compliance-card h4 {
  font-size: 1.1rem;
  color: var(--dtp-navy);
  margin-bottom: 0.35rem;
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-weight: 700;
}

.dtp-alert-notice {
  background: #fffbeb;
  border: 1px solid #fef3c7;
  border-left: 4px solid var(--dtp-amber);
  border-radius: var(--dtp-radius-sm);
  padding: 1.25rem;
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.dtp-alert-notice i {
  font-size: 1.5rem;
  color: var(--dtp-amber);
}

/* Toast */
.dtp-toast-notice {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--dtp-navy);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-family: var(--heading-font, 'Exo 2', sans-serif);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  z-index: 10000;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.dtp-toast-notice.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

@media (max-width: 768px) {
  .dtp-system-cards { grid-template-columns: 1fr; }
  .dtp-inputs-grid { grid-template-columns: 1fr; }
  .dtp-out-grid { grid-template-columns: 1fr; }
  .dtp-compliance-grid { grid-template-columns: 1fr; }
  .dtp-calc-head, .dtp-calc-content { padding: 1.25rem; }
}