:root{
  --bg1:#0a192f;
  --bg2:#112240;
  --card:#0f2a44;
  --text:#e5e7eb;
  --pri:#2563eb;
  --muted:#94a3b8;
  --border:rgba(37,99,235,.45);
}

*{box-sizing:border-box}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
  background: transparent;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
}

body {
  padding: 20px;
}

.app {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  background: rgba(10, 25, 47, 0.85); 
  border-radius: 26px;
  padding: 24px; 
  box-shadow: 0 25px 80px rgba(0,0,0,.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  border: 1px solid rgba(37,99,235,.25);
  z-index: 2;
}

.brand h1, .detail-title, .modal-title { font-family: 'Poppins', sans-serif; }

.screen{display:none}
.screen.active{display:block}

/* ✅ HEADER ALINEADO Y PROTEGIDO */
header{
  display:flex;
  gap:16px;
  align-items:center;
  justify-content:space-between;
  padding: 0 0 16px; 
  border-bottom:1px solid rgba(148,163,184,.22);
  margin-bottom:18px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.navbar-brand img { width: 64px; height: auto; filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3)); }

.brand-titles { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.title-main { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 26px; color: #ffffff; letter-spacing: 1px; text-transform: uppercase; }
.title-separator { color: #3b82f6; font-size: 22px; font-weight: 400; }
.title-sub { font-family: 'Poppins', sans-serif; font-weight: 500; font-size: 16px; color: #93c5fd; letter-spacing: 0.5px; }

.brand{ display:flex; flex-direction:column; gap:2px; }
.brand h1{ margin:0; font-size:22px; color:#93c5fd; letter-spacing:.2px; }
.brand small{color:var(--muted)}
.muted{color:var(--muted)}

.search{
  flex:1;
  max-width: 540px; 
  display:flex; 
  gap:8px;
  justify-content:flex-end; 
  align-items:center; 
}

input{
  flex: 1; 
  min-width: 140px; 
  padding:12px 14px; border-radius:14px;
  border:1px solid rgba(148,163,184,.25); outline:none; font-weight:700;
  background: rgba(2, 6, 23, .55); color: var(--text);
}
input::placeholder{color: rgba(148,163,184,.6)}
input:focus{ border-color: rgba(37,99,235,.85); box-shadow:0 0 0 4px rgba(37,99,235,.18) }

button{
  border:0; cursor:pointer; padding:12px 14px; border-radius:14px;
  font-weight:900; transition: transform .12s ease, filter .12s ease;
  white-space:nowrap; font-family: 'Poppins', sans-serif;
}
button:active{transform: translateY(1px) scale(.99)}

.icon-btn {
  width: 44px; height: 44px; padding: 0; font-size: 20px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

.btn-primary{ background: linear-gradient(135deg, #2563eb, #1d4ed8); color:#fff }
.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{ background: rgba(2, 6, 23, .35); color: var(--text); border:1px solid rgba(148,163,184,.25) }
.btn-ghost:hover{filter:brightness(1.08)}
.btn-wa{background:#25D366; color:#fff}

.filters { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 12px; margin-bottom: 14px; }
.filters::-webkit-scrollbar { height: 4px; }
.filters::-webkit-scrollbar-thumb { background: rgba(37,99,235,.5); border-radius: 4px; }
.filter-btn {
  background: rgba(15, 23, 42, .6); border: 1px solid rgba(148,163,184,.25);
  color: var(--muted); padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 700;
}
.filter-btn:hover { color: #fff; background: rgba(37,99,235,.2); }
.filter-btn.active { background: rgba(37,99,235,.25); color: #93c5fd; border-color: rgba(37,99,235,.6); }

.grid{ display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:14px; }
@media (max-width: 980px){ .grid{grid-template-columns: repeat(3, minmax(0,1fr));} }

/* 🌟 ANIMACIÓN ELEGANTE EN LA TARJETA */
.card{
  background: linear-gradient(160deg, #0f2a44, #0b1f33); border:1px solid var(--border);
  border-radius:18px; overflow:hidden; box-shadow: 0 0 25px rgba(37,99,235,.25);
  display:flex; flex-direction:column; min-height: 230px; 
  transition: transform .16s ease, box-shadow .16s ease;
  animation: cardEnter 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) backwards;
}
.card:hover{ transform: translateY(-3px); box-shadow: 0 0 35px rgba(37,99,235,.35); }

@keyframes cardEnter {
  0% { opacity: 0; transform: translateY(25px); }
  100% { opacity: 1; transform: translateY(0); }
}

.thumb{
  height:140px; background: radial-gradient(circle at 30% 20%, #1e40af 0%, #0f172a 70%);
  position:relative; overflow:hidden; display: flex; align-items: center; justify-content: center;
}
.thumb img{ width:100%; height:100%; object-fit:cover; display:block; filter:saturate(1.05) contrast(1.05); }
.thumb .fallback{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:44px; color:#93c5fd; }

.card-body{ padding:12px 12px 14px; display:flex; flex-direction:column; gap:8px; flex:1; }
.title{font-weight:900; color:var(--text); font-family: 'Poppins', sans-serif;}
.price{font-weight:900; color:#60a5fa}
.desc{color:var(--muted); font-size:13px; line-height:1.35}
.actions{ margin-top:auto; display:flex; gap:10px; }

.no-results { text-align: center; padding: 40px 20px; color: var(--muted); background: rgba(15, 23, 42, .4); border-radius: 18px; border: 1px dashed rgba(148,163,184,.25); }
.no-results p { font-size: 18px; font-weight: 600; margin-bottom: 20px; font-family: 'Poppins', sans-serif;}

.detail{ display:grid; grid-template-columns: 1.1fr .9fr; gap:16px; align-items:start; }
@media (max-width: 760px){ .detail{grid-template-columns: 1fr;} }

.panel{ background: linear-gradient(160deg, rgba(15,42,68,.95), rgba(11,31,51,.95)); border:1px solid rgba(37,99,235,.35); border-radius:18px; padding:14px; box-shadow: 0 0 22px rgba(37,99,235,.18); }
.detail-title{ margin:0 0 6px; font-size:24px; color:#93c5fd; }
.detail-price{ font-size:20px; font-weight:1000; margin:0 0 12px; color:#60a5fa; }
ul{ margin:0; padding-left:18px; color: rgba(229,231,235,.92); line-height:1.55; font-weight:650; }
.badge{ display:inline-flex; align-items:center; gap:8px; font-weight:900; padding:8px 10px; border-radius:999px; background: rgba(37,99,235,.18); color:#bfdbfe; border:1px solid rgba(37,99,235,.30); margin-bottom:10px; }

/* ==============================================================
   ✅ ENTORNO MÓVIL
   ============================================================== */
@media (max-width: 820px){
  header { flex-direction: column; align-items: center; gap: 14px; }
  .search { width: 100%; max-width: 100%; justify-content: center; flex-wrap: nowrap; }
  
  input { 
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%2393c5fd" viewBox="0 0 16 16"><path d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z"/></svg>');
    background-repeat: no-repeat; background-position: center;
  }
  input::placeholder { color: transparent; }
  input:focus, input:not(:placeholder-shown) { background-image: none; }

  .app { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(10, 25, 47, 0.98); }
  #codeBackground { display: none !important; }

  .grid { grid-template-columns: repeat(2, minmax(0,1fr)) !important; gap: 8px; }
  .card { min-height: 190px; border-radius: 12px; }
  .thumb { height: 90px; }
  .card-body { padding: 8px; gap: 6px; }
  .title { font-size: 12px; line-height: 1.2; }
  .price { font-size: 14px; }
  .desc { font-size: 10px; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .actions { display: flex; flex-direction: column; gap: 6px; } 
  .actions button { width: 100%; padding: 8px 4px; font-size: 11px; border-radius: 8px; }
}

.modal{ display:none; position:fixed; inset:0; background:rgba(0,0,0,.75); z-index:9999; align-items:center; justify-content:center; padding:14px; }
.modal.active{ display:flex; }
.modal-card{ background:#fff; padding:16px; border-radius:20px; max-width:360px; width:100%; text-align:center; box-shadow:0 20px 60px rgba(0,0,0,.35); }
.modal-card img{ width:100%; border-radius:12px; display:block; border: 1px solid #e2e8f0; }
.modal-title{ font-weight:900; font-size: 20px; color:#0f172a; margin:0 0 14px; }

.yape-number-box { background: #f8fafc; border: 2px dashed #cbd5e1; border-radius: 12px; padding: 12px; margin-top: 14px; color: #0f172a; }
.yape-number-box p { margin: 0 0 8px; font-size: 13px; font-weight: 700; color: #64748b; }
.yape-copy-row { display: flex; align-items: center; justify-content: space-between; background: #fff; padding: 8px 12px; border-radius: 8px; border: 1px solid #e2e8f0; }
.yape-copy-row span { font-size: 18px; font-weight: 900; letter-spacing: 1px; }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 8px; color:#0f172a; border-color:#cbd5e1; }

#robotBuddy{
  display: none; 
  position: fixed; left: 16px; top: 16px; width: 74px; height: 74px; z-index: 9990;
  pointer-events: auto; opacity: .98; transform: translate3d(0,0,0);
  transition: transform 650ms cubic-bezier(.2,.8,.2,1); filter: drop-shadow(0 16px 26px rgba(0,0,0,.35));
}
#robotBuddy svg{ width: 74px; height: 74px; display:block; pointer-events: none; }
#robotBuddy.play{ animation: floaty 1.6s ease-in-out infinite; }
@keyframes floaty{ 0%,100%{ transform: translate3d(var(--x,0), var(--y,0), 0) translateY(0) rotate(0deg); } 50%{ transform: translate3d(var(--x,0), var(--y,0), 0) translateY(-6px) rotate(1.5deg); } }
#robotBuddy.play #head{ transform-origin: 110px 105px; animation: nod 1.6s ease-in-out infinite; }
#robotBuddy.play #eyes{ transform-origin: 110px 73px; animation: blink 4s ease-in-out infinite; }
#robotBuddy.play #leftArm{ transform-origin: 65px 125px; animation: armSwing 1.2s ease-in-out infinite; }
#robotBuddy.play #rightArm{ transform-origin: 155px 125px; animation: armSwingR 1.2s ease-in-out infinite; }
#robotBuddy.wave #leftArm{ transform-origin: 65px 125px; animation: waveLeft 280ms ease-in-out 10; }
#robotBuddy.wave #rightArm{ transform-origin: 155px 125px; animation: waveRight 280ms ease-in-out 10; }

@keyframes nod{ 0%,100%{ transform: translateY(0px);} 50%{ transform: translateY(2px);} }
@keyframes blink{ 0%,92%,100%{ transform: scaleY(1);} 94%{ transform: scaleY(.15);} 96%{ transform: scaleY(1);} }
@keyframes armSwing{ 0%,100%{ transform: rotate(0deg);} 50%{ transform: rotate(2.5deg);} }
@keyframes armSwingR{ 0%,100%{ transform: rotate(0deg);} 50%{ transform: rotate(-2.5deg);} }
@keyframes waveLeft{ 0%,100%{ transform: rotate(0deg);} 50%{ transform: rotate(-10deg);} }
@keyframes waveRight{ 0%,100%{ transform: rotate(0deg);} 50%{ transform: rotate(10deg);} }

#robotBubble{
  position: fixed; left: 16px; top: 98px; max-width: 240px; padding: 10px 12px; border-radius: 14px;
  background: rgba(2, 6, 23, .72); color: #e5e7eb; border: 1px solid rgba(148,163,184,.25);
  box-shadow: 0 18px 50px rgba(0,0,0,.35); backdrop-filter: blur(10px); pointer-events: none;
  z-index: 9991; opacity: 0; transform: translateY(6px) scale(.98); transition: opacity .22s ease, transform .22s ease;
  font-weight: 800; font-size: 13px; line-height: 1.2; letter-spacing: .2px; font-family: 'Poppins', sans-serif;
}
#robotBubble.show{ opacity: 1; transform: translateY(0) scale(1); }
#robotBubble:after{
  content:""; position:absolute; top:-8px; left: 20px; width: 14px; height: 14px;
  background: rgba(2, 6, 23, .72); border-left: 1px solid rgba(148,163,184,.25); border-top: 1px solid rgba(148,163,184,.25);
  transform: rotate(45deg); border-top-left-radius: 3px;
}

@media (prefers-reduced-motion: reduce){
  #robotBuddy{ transition:none; } #robotBuddy.play{ animation:none; }
  #robotBuddy.play #head, #robotBuddy.play #eyes, #robotBuddy.play #leftArm, #robotBuddy.play #rightArm, #robotBuddy.wave #leftArm, #robotBuddy.wave #rightArm{ animation:none; }
  #robotBubble{ transition:none; }
}

/* ==============================================================
   ✅ GALERÍA DE REFERENCIAS (4 COLUMNAS)
   ============================================================== */
.grid-ref { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 20px; }
.ref-card { background: rgba(15, 23, 42, 0.6); border: 1px solid rgba(148,163,184,.25); border-radius: 16px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.3); transition: transform 0.2s ease, box-shadow 0.2s ease; cursor: zoom-in; aspect-ratio: 9/16; }
.ref-card:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 15px 40px rgba(139, 92, 246, 0.4); border-color: #8b5cf6; }
.ref-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 768px){ .grid-ref { grid-template-columns: repeat(2, minmax(0,1fr)) !important; gap: 10px; } .ref-card { border-radius: 12px; } }