/* ==========================================================================
   MAROL PISCINAS — MONTADOR DE CASA DE MÁQUISAS PRÉ-MONTADA
   Design System & Configurator UI (0 Bombas Inicial + Layout Perfeito da Foto)
   ========================================================================== */

:root {
  --bg-main: #FFFFFF;
  --bg-alt: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-dark: #0F172A;
  
  --text-main: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;

  --border-color: #E2E8F0;
  --border-active: #1769D2;

  --accent-blue: #1769D2;
  --accent-blue-hover: #1254A8;
  --accent-blue-light: #EFF6FF;
  --accent-green: #25D366;
  --accent-gold: #C6AA7C;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --header-height: 76px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.12);

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-alt);
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-x: hidden !important;
  width: 100%;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
p { color: var(--text-muted); font-size: 0.98rem; }

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
  box-sizing: border-box;
}

/* Header */
.montador-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo img {
  height: 38px;
  width: auto;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Steps Progress Header Bar */
.progress-bar-section {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 1.1rem 0;
}

.steps-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  -webkit-overflow-scrolling: touch;
}

.step-nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-alt);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.step-nav-item.active {
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
  border-color: rgba(23, 105, 210, 0.3);
  font-weight: 700;
}

.step-nav-item.done {
  background-color: #F0FDF4;
  color: #16A34A;
}

.step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: #CBD5E1;
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.step-nav-item.active .step-num {
  background-color: var(--accent-blue);
}

.step-nav-item.done .step-num {
  background-color: #16A34A;
}

/* Configurator Main Section Layout */
.configurator-section {
  padding: 2rem 0 4rem 0;
}

.configurator-layout {
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 2rem;
  align-items: start;
}

/* Step Pane */
.step-pane {
  display: none;
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
}

.step-pane.active {
  display: block;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.step-tag {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  margin-bottom: 0.4rem;
  display: block;
}

/* Option Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.option-card {
  position: relative;
  background-color: var(--bg-main);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  min-width: 0;
}

.option-card:hover {
  border-color: #94A3B8;
  transform: translateY(-2px);
}

.option-card.selected {
  border-color: var(--accent-blue);
  background-color: var(--accent-blue-light);
  box-shadow: 0 4px 14px rgba(23, 105, 210, 0.15);
}

.option-card input[type="radio"],
.option-card input[type="checkbox"] {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 20px;
  height: 20px;
  accent-color: var(--accent-blue);
}

.card-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-blue);
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Swatches de Acabamento da Estrutura */
.color-swatches-selector {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.color-swatch-btn {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--border-color);
  background: #FFFFFF;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 700;
  font-size: 0.88rem;
}

.color-swatch-btn.selected {
  border-color: var(--accent-blue);
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
}

.swatch-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.2);
}

.dot-branco { background-color: #FFFFFF; border-color: #94A3B8; }
.dot-cinza { background-color: #8C929A; }
.dot-preto { background-color: #1F2124; }
.dot-marrom { background-color: #5C4638; }
.dot-bege { background-color: #D3C4A9; }

/* Dimension Inputs & Volume Widget */
.volume-widget {
  background-color: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.pool-size-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

.dimensions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1rem;
}

.input-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.input-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  background-color: #FFFFFF;
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
}

.input-control:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.volume-output {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.volume-badge {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-blue);
}

/* Step Footer Controls */
.step-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: all var(--transition-fast);
  box-sizing: border-box;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(23, 105, 210, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-blue-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: #E2E8F0;
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: #CBD5E1;
}

.btn-green {
  background-color: var(--accent-green);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-green:hover {
  background-color: #20BA5A;
  transform: translateY(-2px);
}

/* ==========================================================================
   PAINEL VISUALIZADOR EM TEMPO REAL ("SUA CASA DE MÁQUISAS")
   ========================================================================== */
.visualizer-panel {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: calc(var(--header-height) + 1.25rem);
  box-sizing: border-box;
  width: 100%;
}

.visualizer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.visualizer-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* FOTO SIMBÓLICA COM LAYOUT 100% BLINDADO CONTRA VAZAMENTOS OU QUEBRAS */
.visualizer-shell-preview {
  position: relative;
  width: 100%;
  height: 140px;
  border-radius: var(--radius-md);
  overflow: hidden !important;
  margin-bottom: 1.1rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
  border: 1px solid var(--border-color);
  background-color: #0F172A;
  box-sizing: border-box;
}

.shell-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}

.visualizer-shell-preview:hover .shell-preview-img {
  transform: scale(1.05);
}

.shell-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.15) 0%, rgba(15, 23, 42, 0.88) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0.85rem 1rem;
  box-sizing: border-box;
  overflow: hidden;
}

.shell-overlay-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  width: 100%;
  gap: 0.5rem;
}

.shell-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
  white-space: nowrap;
}

.shell-sub {
  font-size: 0.73rem;
  color: #CBD5E1;
  margin-top: 0.15rem;
  white-space: nowrap;
}

.shell-color-badge {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  color: #FFFFFF;
  border: 1px solid rgba(255,255,255,0.3);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Caixa de Total de Bombas Necessárias */
.pumps-summary-box {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border: 1px solid #93C5FD;
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}

.pumps-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.pumps-title {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.pumps-count-badge {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-blue);
}

.pumps-breakdown {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 0.3rem;
}

/* Lista Dinâmica de Equipamentos */
.visualizer-equipment-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-height: 440px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.visual-item-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  background-color: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  animation: visualItemIn 0.3s ease-out;
  position: relative;
}

.visual-item-card:hover {
  border-color: var(--accent-blue);
  background-color: var(--accent-blue-light);
  transform: translateX(3px);
}

@keyframes visualItemIn {
  from { opacity: 0; transform: scale(0.95) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.visual-item-card.removing {
  animation: visualItemOut 0.25s ease-in forwards;
}

@keyframes visualItemOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.9) translateY(-6px); }
}

.visual-item-icon {
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.visual-item-icon svg {
  width: 20px !important;
  height: 20px !important;
}

.visual-item-details {
  flex: 1;
  min-width: 0;
}

.visual-item-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.visual-item-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.visual-item-tag {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--accent-blue);
  background: var(--accent-blue-light);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.visualizer-disclaimer {
  margin-top: 1.1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Mobile Trigger Button & Modal Sheet */
.mobile-visual-trigger {
  display: none;
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 99;
  background-color: var(--accent-blue);
  color: #FFFFFF;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(255,255,255,0.25);
  cursor: pointer;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
}

.mobile-visual-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
}

.mobile-visual-drawer.active {
  display: flex;
  align-items: flex-end;
}

.drawer-content {
  width: 100%;
  max-height: 88vh;
  background: #FFFFFF;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.drawer-close {
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* Mobile Responsive Adjustments */
@media (max-width: 900px) {
  .configurator-layout {
    grid-template-columns: 1fr;
  }

  .visualizer-panel.desktop-only {
    display: none;
  }

  .mobile-visual-trigger {
    display: flex;
  }

  .step-pane {
    padding: 1.75rem 1.25rem;
  }

  .dimensions-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .pool-size-dual-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .step-actions {
    flex-direction: column-reverse;
    gap: 1rem;
  }

  .step-actions .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
  }

  .volume-output {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}