/* ========================================
   SAMSUNG ONE UI - SISTEMA DE DISEÑO UNIFICADO
   ======================================== */

/* Navegación principal */
.samsung-navbar {
  background-color: var(--samsung-blue);
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.samsung-logo {
  font-weight: bold;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
}

.samsung-nav-links {
  display: flex;
  gap: 2rem;
}

.samsung-nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

.samsung-nav-link:hover {
  opacity: 0.8;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
    font-size: 1rem;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    min-width: 140px;
}

.btn::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, #fff 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform 0.5s, opacity 0.8s;
}

.btn:active::after {
    transform: scale(0, 0);
    opacity: 0.3;
    transition: 0s;
}

.btn i, .btn svg {
    margin-right: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--samsung-blue) 0%, var(--samsung-dark-blue) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--samsung-dark-blue) 0%, var(--samsung-blue) 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 119, 200, 0.25);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 119, 200, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--samsung-blue);
    border: 2px solid var(--samsung-blue);
    box-shadow: 0 2px 8px rgba(0, 119, 200, 0.1);
}

.btn-secondary:hover {
    background-color: rgba(0, 119, 200, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 119, 200, 0.15);
    color: var(--samsung-dark-blue);
    border-color: var(--samsung-dark-blue);
}

.btn-secondary:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 119, 200, 0.1);
}

.btn-details {
    background: white;
    color: var(--samsung-dark-gray);
    border: 1px solid var(--samsung-light-gray);
    padding: 10px 20px;
    font-size: 0.9rem;
    min-width: 120px;
    transition: all 0.3s ease;
}

.btn-details:hover {
    background-color: var(--samsung-light-blue);
    color: var(--samsung-blue);
    border-color: var(--samsung-blue);
    transform: translateY(-2px);
}

.btn-details.active {
    background-color: var(--samsung-light-blue);
    color: var(--samsung-blue);
    border-color: var(--samsung-blue);
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: unset;
}

.btn-icon i, .btn-icon svg {
    margin-right: 0;
}

/* Botón con animación de carga */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Estilos para el contenido de detalles */
.details-content {
    background-color: var(--samsung-light-gray);
    border-radius: 8px;
    padding: 15px;
    margin-top: 10px;
    border-left: 3px solid var(--samsung-blue);
    transition: opacity 0.3s ease, max-height 0.3s ease;
    overflow: hidden;
}

.details-content p {
    margin-bottom: 10px;
}

.details-content ul {
    padding-left: 20px;
}

.details-content img {
    max-width: 100%;
    border-radius: 4px;
    margin: 10px 0;
}

/* Estilos para las características del producto */
.features-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--samsung-blue);
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--samsung-light-gray);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item i {
    color: var(--samsung-blue);
    font-size: 1.2rem;
    margin-right: 12px;
    width: 24px;
    text-align: center;
}

.feature-item span {
    flex: 1;
    font-size: 1rem;
}

.feature-item .btn-details {
    margin-left: 10px;
}

.feature-item .details-content {
    flex-basis: 100%;
    margin-top: 15px;
    margin-left: 36px;
}

/* Tarjetas */
.samsung-card {
  background-color: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.samsung-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.samsung-card-header {
  padding: 1.5rem;
  border-bottom: 1px solid #f0f0f0;
}

.samsung-card-body {
  padding: 1.5rem;
}

.samsung-card-footer {
  padding: 1rem 1.5rem;
  background-color: #f9f9f9;
  display: flex;
  justify-content: flex-end;
}

/* Tipografía */
.samsung-heading {
  font-family: 'SamsungSharpSans', sans-serif;
  margin-bottom: 1rem;
}

.samsung-h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

.samsung-h2 {
  font-size: 2rem;
  font-weight: 600;
}

.samsung-h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

.samsung-text {
  line-height: 1.6;
  color: #333;
}

/* Colores */
.samsung-bg-blue {
  background-color: var(--samsung-blue);
  color: white;
}

.samsung-text-blue {
  color: var(--samsung-blue);
}

/* Formularios */
.samsung-form-group {
  margin-bottom: 1.5rem;
}

.samsung-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.samsung-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  transition: border-color 0.2s;
}

.samsung-input:focus {
  border-color: var(--samsung-blue);
  outline: none;
}

/* Alertas */
.samsung-alert {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.samsung-alert-success {
  background-color: #e6f7e9;
  color: #0a6b1d;
  border-left: 4px solid #0a6b1d;
}

.samsung-alert-error {
  background-color: #fde8e8;
  color: #c81e1e;
  border-left: 4px solid #c81e1e;
}

/* Badges */
.samsung-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 600;
}

.samsung-badge-primary {
  background-color: var(--samsung-blue);
  color: white;
}

.samsung-badge-secondary {
  background-color: #f0f0f0;
  color: #333;
}

/* Animaciones */
@keyframes samsung-fade-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.samsung-animate-fade-in {
  animation: samsung-fade-in 0.5s ease forwards;
}

/* Layout */
.samsung-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.samsung-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .samsung-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  
  .samsung-nav-links {
    display: none;
  }
}

@media (max-width: 480px) {
  .samsung-grid {
    grid-template-columns: 1fr;
  }
}