/* ====== ESTILO GENERAL ====== */
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", sans-serif;
  background: linear-gradient(#f6f2ea, #faf9f6);
  color: #333;
}

/* ====== ENCABEZADO ====== */
.header {
  text-align: center;
  padding: 25px 10px;
  background: white;
  border-bottom: 1px solid #ddd;
}

.logo-header {
  width: 120px;
  margin-bottom: 10px;
  border-radius: 8px;
}

.header h1 {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
  color: #c7a047; /* DORADO */
}

.sub {
  color: #666;
  margin-top: 5px;
}

/* ====== CONTENEDOR PRINCIPAL ====== */
.container {
  max-width: 800px;
  margin: 25px auto;
  padding: 20px;
  background: white;
  border-radius: 15px;
  box-shadow: 0px 5px 15px rgba(0,0,0,0.1);
}

/* ====== LABELS ====== */
.label {
  display: block;
  margin-top: 10px;
  font-weight: 600;
}

/* ====== INPUTS ====== */
.input {
  width: 100%;
  padding: 12px;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  outline: none;
}

.input:focus {
  border-color: #c7a047; /* dorado suave */
}

/* ====== BOTONES ====== */
.btn-primary {
  width: 100%;
  padding: 14px;
  margin-top: 15px;
  background: #c7a047;
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
}

.btn-primary:hover {
  background: #b8933f;
}

.btn-download {
  width: 100%;
  padding: 14px;
  margin-top: 20px;
  background: #2c3e50;
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  cursor: pointer;
}

.btn-download:disabled {
  background: #999;
  cursor: not-allowed;
}

/* ====== TITULOS ====== */
.section-title {
  margin-top: 25px;
  font-size: 1.3rem;
  font-weight: 700;
  color: #444;
}

/* ====== VISTA PREVIA ====== */
.preview-box {
  background: #fafafa;
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 20px;
  margin-top: 10px;
  min-height: 120px;
  white-space: pre-wrap;
  line-height: 1.5;
}

/* ====== HISTORIAL ====== */
.history {
  list-style: none;
  padding: 0;
}

.history li {
  background: #fff7e1;
  border: 1px solid #e6d5a7;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 0.95rem;
}