/* ===================================================================
   TORTAPP MVP — styles.css
   Sistema de capas escalable + Carrito de Compras + WhatsApp CTA
   =================================================================== */

/* --- Variables Globales --- */
:root {
  --bg-dark:          #0a0b0d;
  --bg-gradient:      radial-gradient(circle at 50% 35%, #1e232a 0%, #0a0b0d 80%);
  --accent-gold:      #ffb703;
  --accent-gold-hover:#ff9f00;
  --accent-gold-glow: rgba(255, 183, 3, 0.4);
  --wa-green:         #25D366;
  --wa-green-hover:   #1ebe5d;
  --wa-green-glow:    rgba(37, 211, 102, 0.4);
  --text-main:        #ffffff;
  --text-muted:       #a0aab8;
  --glass-bg:         rgba(20, 24, 33, 0.88);
  --glass-border:     rgba(255, 255, 255, 0.14);
  --panel-bg:         #0d1017;
  --font:             'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
}

/* ===================================================================
   CONTENEDOR PRINCIPAL
   =================================================================== */
#tortapp-root {
  width: 100%;
  max-width: 480px;
  height: 920px;
  max-height: 100vh;
  margin: 0 auto;
  background: var(--bg-gradient);
  position: relative;
  border-radius: 28px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 30px 60px rgba(0,0,0,0.85), 0 0 40px rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
}

/* ===================================================================
   HEADER
   =================================================================== */
.tortapp-header {
  padding: 18px 14px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  z-index: 100;
  flex-shrink: 0;
}

.nav-arrow {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 20px;
  cursor: pointer;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.25s ease;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.6));
  flex-shrink: 0;
}
.nav-arrow:hover { color: var(--accent-gold); transform: scale(1.2); }

.product-capsule {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid var(--glass-border);
  padding: 8px 16px;
  border-radius: 50px;
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.15), 0 8px 20px rgba(0,0,0,0.4);
  min-width: 200px;
  text-align: center;
  flex: 1;
}
.product-title {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.product-subtitle {
  font-size: 10px;
  letter-spacing: 0.8px;
  color: var(--accent-gold);
  margin-top: 2px;
  font-weight: 600;
}

/* Botón carrito en header */
.cart-icon-btn {
  position: relative;
  background: var(--glass-bg);
  border: 1.5px solid var(--glass-border);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  transition: all 0.25s ease;
  flex-shrink: 0;
}
.cart-icon-btn:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 0 12px var(--accent-gold-glow);
  transform: scale(1.08);
}
.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent-gold);
  color: #000;
  font-size: 10px;
  font-weight: 800;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: badge-pop 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes badge-pop {
  0%   { transform: scale(0); }
  100% { transform: scale(1); }
}

/* ===================================================================
   HUD BAR
   =================================================================== */
.hud-bar {
  position: absolute;
  top: 74px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 90;
  pointer-events: none;
}
.hud-pill {
  pointer-events: auto;
  background: rgba(10,12,16,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}
.hud-pill strong { color: var(--accent-gold); }

.mode-toggle-btn {
  pointer-events: auto;
  background: rgba(255,183,3,0.15);
  border: 1.5px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  font-family: var(--font);
}
.mode-toggle-btn:hover {
  background: var(--accent-gold);
  color: #000;
  box-shadow: 0 0 15px var(--accent-gold-glow);
}

/* ===================================================================
   CANVAS AREA
   =================================================================== */
.canvas-area {
  flex: 1;
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding-bottom: 20px;
  min-height: 0;
}
.ambient-spotlight {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,183,3,0.12) 0%, rgba(255,255,255,0.02) 50%, transparent 75%);
  pointer-events: none;
  z-index: 1;
}
.stack-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  z-index: 10;
}

/* ===================================================================
   SISTEMA DE CAPAS ESCALABLE (idéntico a TortApp_v1)
   =================================================================== */
.ingredient-layer {
  position: absolute;
  bottom: 30px;
  left: 50%;
  width: 285px;
  height: var(--layer-h, 60px);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transform: translate(-50%, var(--target-y, 0px));
  transition: transform 0.45s cubic-bezier(0.34,1.3,0.64,1), opacity 0.35s ease, filter 0.3s ease;
  will-change: transform, opacity;
  perspective: 700px;
}
.ingredient-layer:hover {
  z-index: 150 !important;
  filter: drop-shadow(0 0 18px rgba(255,183,3,0.85));
}
.ingredient-layer.selected {
  filter: drop-shadow(0 0 20px var(--accent-gold)) brightness(1.15);
}
.ingredient-layer.selected::after {
  content: '';
  position: absolute;
  width: 104%;
  height: 106%;
  border: 2px dashed var(--accent-gold);
  border-radius: 16px;
  pointer-events: none;
  animation: pulse-ring 2s infinite ease-in-out;
}
@keyframes pulse-ring {
  0%   { transform: scale(0.96); opacity: 0.5; }
  50%  { transform: scale(1.04); opacity: 1; }
  100% { transform: scale(0.96); opacity: 0.5; }
}

.layer-tooltip {
  position: absolute;
  top: -24px;
  background: rgba(13,15,18,0.92);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px) scale(0.9);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.34,1.4,0.64,1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.6);
  z-index: 200;
  white-space: nowrap;
}
.ingredient-layer:hover .layer-tooltip { opacity: 1; transform: translateY(0) scale(1); }

.layer-asset {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transform-style: preserve-3d;
  transition: transform 0.32s cubic-bezier(0.25,1,0.5,1), filter 0.3s ease;
  will-change: transform;
}
.ingredient-layer:hover .layer-asset {
  transform: translateY(-8px) scale(1.06);
  filter: drop-shadow(0 14px 22px rgba(0,0,0,0.65)) drop-shadow(0 0 12px rgba(255,183,3,0.6));
}
.layer-asset img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.7));
}

.levitate-bob {
  animation: bobbing 3.5s infinite ease-in-out alternate;
}
@keyframes bobbing {
  0%   { transform: translate(-50%, var(--target-y)) rotate(0deg); }
  50%  { transform: translate(-50%, calc(var(--target-y) - 5px)) rotate(0.5deg); }
  100% { transform: translate(-50%, calc(var(--target-y) + 3px)) rotate(-0.5deg); }
}

.layer-exit {
  opacity: 0 !important;
  transform: translate(calc(-50% + 120px), var(--target-y)) scale(0.5) !important;
}

/* ===================================================================
   FOOTER: Controles de Personalización + Agregar al Carrito
   =================================================================== */
.tortapp-footer {
  padding: 10px 16px 16px;
  background: linear-gradient(to top, rgba(10,11,13,0.99) 0%, rgba(10,11,13,0.8) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 100;
  flex-shrink: 0;
}

.ingredient-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.action-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255,183,3,0.15);
  border: 1.5px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 24px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.34,1.56,0.64,1);
  flex-shrink: 0;
  font-family: var(--font);
}
.action-btn:hover {
  background: var(--accent-gold);
  color: #000;
  transform: scale(1.1);
  box-shadow: 0 6px 16px var(--accent-gold-glow);
}

.dropdown-capsule {
  position: relative;
  flex: 1;
  max-width: 220px;
}
.dropdown-btn {
  width: 100%;
  height: 46px;
  background: var(--accent-gold);
  color: #0d0f12;
  border: none;
  border-radius: 30px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(255,183,3,0.4);
}
.dropdown-menu {
  position: absolute;
  bottom: 52px;
  left: 0;
  width: 100%;
  background: rgba(16,20,28,0.97);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 8px 0;
  box-shadow: 0 -10px 30px rgba(0,0,0,0.9);
  display: none;
  flex-direction: column;
  z-index: 300;
  max-height: 220px;
  overflow-y: auto;
}
.dropdown-capsule.open .dropdown-menu { display: flex; }
.dropdown-item {
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font);
}
.dropdown-item:hover, .dropdown-item.active {
  background: rgba(255,183,3,0.18);
  color: var(--accent-gold);
}
.dropdown-item-badge {
  font-size: 10px;
  background: rgba(255,255,255,0.12);
  padding: 2px 8px;
  border-radius: 10px;
  color: var(--text-muted);
}

/* Botón AGREGAR AL CARRITO */
.add-to-cart-btn {
  width: 100%;
  height: 50px;
  background: linear-gradient(135deg, #ffb703, #ff9f00);
  border: none;
  border-radius: 30px;
  color: #0d0f12;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 8px 24px rgba(255,183,3,0.5), 0 2px 8px rgba(0,0,0,0.3);
  transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
  overflow: hidden;
}
.add-to-cart-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.5s ease;
}
.add-to-cart-btn:hover::before { left: 100%; }
.add-to-cart-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 30px rgba(255,183,3,0.65);
}
.add-to-cart-btn:active { transform: scale(0.97); }
.add-to-cart-btn span:first-child { font-size: 18px; }

/* Toast */
.toast-msg {
  position: absolute;
  bottom: 160px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0,0,0,0.9);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 150;
  white-space: nowrap;
  font-family: var(--font);
}
.toast-msg.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===================================================================
   CARRITO — Overlay & Panel
   =================================================================== */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.cart-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.cart-panel {
  width: 100%;
  max-width: 480px;
  max-height: 88vh;
  background: var(--panel-bg);
  border-radius: 28px 28px 0 0;
  border: 1px solid var(--glass-border);
  border-bottom: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.34,1.1,0.64,1);
  box-shadow: 0 -20px 60px rgba(0,0,0,0.9);
}
.cart-overlay.open .cart-panel {
  transform: translateY(0);
}

/* Cabecera del carrito */
.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}
.cart-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.cart-header-icon { font-size: 28px; }
.cart-header-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
}
.cart-header-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.cart-close-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.cart-close-btn:hover {
  background: rgba(255,255,255,0.15);
  transform: scale(1.1);
}

/* Lista de ítems */
.cart-items-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cart-items-list::-webkit-scrollbar { width: 4px; }
.cart-items-list::-webkit-scrollbar-track { background: transparent; }
.cart-items-list::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 4px;
}

/* Estado vacío */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  gap: 12px;
}
.cart-empty-icon { font-size: 56px; opacity: 0.4; }
.cart-empty-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-muted);
}
.cart-empty-sub {
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.7;
  line-height: 1.5;
}

/* Ítem del carrito */
.cart-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: item-in 0.35s cubic-bezier(0.34,1.2,0.64,1);
}
@keyframes item-in {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}

.cart-item-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.cart-item-name {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-main);
  flex: 1;
}
.cart-item-price {
  font-size: 15px;
  font-weight: 800;
  color: var(--accent-gold);
  white-space: nowrap;
}
.cart-item-delete {
  background: rgba(255,60,60,0.1);
  border: 1px solid rgba(255,60,60,0.3);
  color: #ff6b6b;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.cart-item-delete:hover {
  background: rgba(255,60,60,0.25);
  transform: scale(1.1);
}

/* Lista de ingredientes del ítem */
.cart-item-layers {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.cart-layer-tag {
  background: rgba(255,183,3,0.1);
  border: 1px solid rgba(255,183,3,0.2);
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 10px;
}

/* Cantidad */
.cart-item-qty-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.qty-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}
.qty-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 4px 10px;
}
.qty-btn {
  background: none;
  border: none;
  color: var(--accent-gold);
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.15s ease;
}
.qty-btn:hover { background: rgba(255,183,3,0.2); }
.qty-value {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-main);
  min-width: 20px;
  text-align: center;
}

/* Footer del carrito */
.cart-footer {
  padding: 16px 20px 28px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
  background: rgba(10,11,13,0.6);
}
.cart-total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}
.cart-total-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  text-transform: uppercase;
}
.cart-total-amount {
  font-size: 22px;
  font-weight: 900;
  color: var(--accent-gold);
  letter-spacing: 0.5px;
}

/* Notas del pedido */
.cart-notes {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  color: var(--text-main);
  font-family: var(--font);
  font-size: 12px;
  padding: 10px 14px;
  resize: none;
  outline: none;
  transition: border-color 0.2s ease;
  line-height: 1.5;
}
.cart-notes::placeholder { color: var(--text-muted); opacity: 0.6; }
.cart-notes:focus { border-color: rgba(255,183,3,0.4); }

/* Botón WhatsApp */
.whatsapp-btn {
  width: 100%;
  height: 54px;
  background: linear-gradient(135deg, #25D366, #1ebe5d);
  border: none;
  border-radius: 30px;
  color: #fff;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 8px 24px var(--wa-green-glow), 0 2px 8px rgba(0,0,0,0.3);
  transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
  overflow: hidden;
}
.whatsapp-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.whatsapp-btn:hover::before { left: 100%; }
.whatsapp-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 14px 32px var(--wa-green-glow);
}
.whatsapp-btn:active { transform: scale(0.97); }

.wa-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* Botón secundario */
.keep-shopping-btn {
  background: transparent;
  border: 1.5px solid var(--glass-border);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  padding: 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
}
.keep-shopping-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: rgba(255,183,3,0.06);
}

/* ===================================================================
   RESPONSIVE: Móviles pequeños
   =================================================================== */
@media (max-width: 480px) {
  #tortapp-root { border-radius: 0; height: 100vh; max-height: 100vh; }
  .cart-panel { border-radius: 24px 24px 0 0; }
}