:root{
  --c-black:#000000;
  --c-wine:#56212F;
  --c-brown:#977e5b;
  --c-sand:#c3b08f;
  --c-light:#d6d1ca;
  --c-guinda:#9f2241;
  --c-cafe:#965f36;
  --c-oro:#bc955b;
  --c-cream:#ddc8a4;
}

*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--c-black);
  background: linear-gradient(180deg, #fff, var(--c-cream));
}

.container{
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.header{
  border-bottom: 3px solid var(--c-oro);
  padding: 18px 0;
  margin-bottom: 18px;
}
.header h1{
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: .2px;
  color: var(--c-wine);
}

.card{
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(0,0,0,.08);
  border-left: 6px solid var(--c-wine);
  border-radius: 14px;
  box-shadow: 0 10px 25px rgba(0,0,0,.08);
  padding: 18px;
}

.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 860px){
  .grid{
    grid-template-columns: 1.1fr .9fr;
    align-items: start;
  }
}

.label{
  font-weight: 700;
  color: var(--c-cafe);
  margin-bottom: 6px;
  display:block;
}

input[type="text"]{
  width: 100%;
  padding: 12px 12px;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,.2);
  outline: none;
  background: #fff;
}
input[type="text"]:focus{
  border-color: var(--c-oro);
  box-shadow: 0 0 0 4px rgba(188,149,91,.25);
}

.helper{
  margin-top: 8px;
  color: rgba(0,0,0,.75);
  font-size: .93rem;
  line-height: 1.35;
}

.btn{
  display:inline-block;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--c-wine);
  background: var(--c-wine);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover{ filter: brightness(1.05); }

.notice{
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(0,0,0,.12);
  background: rgba(214,209,202,.35);
  color: rgba(0,0,0,.85);
  line-height: 1.45;
}

.success{
  border-left: 6px solid var(--c-oro);
}
.error{
  border-left: 6px solid var(--c-guinda);
}

.footer{
  margin-top: 18px;
  color: rgba(0,0,0,.7);
  font-size: .9rem;
}

.img-box{
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.10);
  background: #fff;
}
.img-box img{
  width: 100%;
  height: auto;
  display:block;
}

/* Página de resultado: marca de agua repetida + rotación 45° */
.watermarked{
  position: relative;
  min-height: 100vh;
  background: linear-gradient(180deg, #fff, var(--c-light));
}
.watermarked::before{
  content:"";
  position: fixed;
  inset: -50%;
  z-index: 0;
  background-image: url("../img/DGEN2.jpg");
  background-repeat: repeat;
  background-size: 260px auto;
  opacity: 0.08;
  transform: rotate(45deg);
  transform-origin: center;
  pointer-events: none;
}
.watermarked .container,
.watermarked .header,
.watermarked .card{
  position: relative;
  z-index: 1;
}

.result-text{
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 1rem;
}
.muted{
  color: rgba(0,0,0,.75);
}
.badge{
  display:inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: .85rem;
  border: 1px solid rgba(0,0,0,.15);
  background: rgba(221,200,164,.35);
}