.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
}

.scanner-box {
  width: 100%;
  max-width: 600px;
  padding: 40px;
  border-radius: 24px;
  background: linear-gradient(135deg, #082f49 0%, #020617 100%);
  box-shadow: 0 20px 50px rgba(8, 47, 73, 0.4);
  border: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  color: #ffffff;
}

.scanner-tabs {
  display: flex;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50px;
  padding: 6px;
  margin-bottom: 30px;
  backdrop-filter: blur(10px);
  box-shadow: inset 0 0 10px rgba(0,0,0,0.3);
}

.tab-btn {
  flex: 1;
  padding: 14px;
  border-radius: 50px;
  background: transparent;
  color: rgba(255,255,255,0.6);
  border: none;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 15px;
}

.tab-btn:hover:not(.active) {
  color: #ffffff;
  background: rgba(255,255,255,0.1);
}

.tab-btn.active {
  background: linear-gradient(135deg, #38bdf8, #0284c7);
  color: #ffffff;
  box-shadow: 0 5px 15px rgba(2, 132, 199, 0.5);
}

.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Lector HTML5-QRCode */
.qr-reader {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid rgba(56, 189, 248, 0.5);
  position: relative;
  background: #000;
  min-height: 300px;
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.3);
}

.qr-reader video {
  width: 100% !important;
  border-radius: 14px;
}

/* Esconder elementos feos de la libreria por defecto */
#reader__dashboard_section_csr span {
  color: #ffffff !important;
}
#reader a {
  color: #38bdf8 !important;
}

.scanner-instructions {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  margin-top: 20px;
  margin-bottom: 25px;
  font-weight: 500;
}

.upload-area {
  border: 2px dashed rgba(56, 189, 248, 0.5);
  padding: 50px 20px;
  border-radius: 16px;
  background: rgba(56, 189, 248, 0.05);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.upload-area:hover {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
  transform: scale(1.02);
  box-shadow: 0 10px 30px rgba(56, 189, 248, 0.2);
}

.btn-primary, .btn-secondary {
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: none;
  font-size: 15px;
}

.btn-primary {
  background: linear-gradient(135deg, #38bdf8, #0284c7);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(2, 132, 199, 0.4), inset 0 0 0 1px rgba(255,255,255,0.2);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 30px rgba(2, 132, 199, 0.6), inset 0 0 0 2px #ffffff;
}

.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.5);
}

.mt-4 { margin-top: 25px; }
.mb-2 { margin-bottom: 12px; }
.text-4xl { 
  font-size: 48px; 
  background: linear-gradient(135deg, #38bdf8, #0284c7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 5px 15px rgba(2,132,199,0.5));
}

/* Panel de Resultados */
.result-box {
  width: 100%;
  max-width: 600px;
  padding: 35px;
  border-radius: 24px;
  background: linear-gradient(135deg, #064e3b 0%, #022c22 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  text-align: center;
  animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 20px 50px rgba(6, 78, 59, 0.4);
  color: #ffffff;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-box h3 {
  color: #ffffff;
  margin-bottom: 20px;
  font-weight: 800;
  font-size: 22px;
}

.qr-result-text {
  background: rgba(0,0,0,0.3);
  padding: 20px;
  border-radius: 12px;
  color: #34d399;
  font-family: 'Consolas', monospace;
  font-size: 16px;
  word-break: break-all;
  border: 1px solid rgba(16, 185, 129, 0.3);
  box-shadow: inset 0 0 15px rgba(0,0,0,0.5);
  text-shadow: 0 0 5px rgba(52, 211, 153, 0.5);
}