:root {
  --bg-color: #0b0f19;
  --card-bg: #151c2c;
  --card-border: #242f47;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;

  --accent-pink: #BC002D;
  --accent-purple: #BC002D;
  --accent-emerald: #10b981;
  --accent-yen: #fbbf24;

  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  padding: 16px 12px;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 100vh;
}

header {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "titulo     conversor"
    "ordenacion ordenacion";
  /* Los filtros toman todo el ancho en la fila inferior */
  align-items: center;
  gap: 16px 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 18px 16px;
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

header h1 {
  grid-area: titulo;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mini-calculadora-linea {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.calc-formula {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.calc-input-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(11, 15, 25, 0.85);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 4px 10px;
}

.calc-input-wrap:focus-within {
  border-color: var(--accent-pink);
  box-shadow: 0 0 0 2px rgba(255, 42, 95, 0.25);
}

.calc-input-wrap input {
  background: transparent;
  border: none;
  color: var(--accent-pink);
  font-weight: 800;
  font-size: 1.1rem;
  width: 85px;
  text-align: right;
  outline: none;
  appearance: textfield;
  -moz-appearance: textfield;
}

.calc-input-wrap input::-webkit-outer-spin-button,
.calc-input-wrap input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.calc-input-wrap .moneda {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.operador {
  font-weight: 800;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.calc-subtexto {
  font-size: 0.68rem;
  color: var(--text-muted);
  opacity: 0.75;
}

.filtros-header {
  grid-area: ordenacion;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
  padding-top: 4px;
}

.grupo-filtro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.grupo-filtro label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
}

.grupo-filtro select {
  width: 100%;
  background: rgba(11, 15, 25, 0.85);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 10px 12px;
  min-height: 44px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  text-align: center;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.grupo-filtro select:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.3);
}

@media (max-width: 480px) {
  .filtros-header {
    gap: 10px;
  }

  .grupo-filtro {
    width: 100%;
    justify-content: space-between;
  }

  .grupo-filtro select {
    flex-grow: 1;
  }
}

@media (max-width: 420px) {
  header h1 {
    font-size: 1.65rem;
  }

  .tipo-cambio {
    padding: 4px 8px;
    font-size: 0.8rem;
  }

  .tipo-cambio input {
    width: 48px;
    font-size: 0.95rem;
  }

  .filtro-orden select {
    padding: 6px 8px;
    font-size: 0.8rem;
  }
}

.form-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 20px 16px;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
}

.form-section h2 {
  font-size: 1.05rem;
  margin-bottom: 16px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

#form-producto {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#form-producto input,
#form-producto select {
  background: #0b0f19;
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 12px 14px;
  min-height: 48px;
  border-radius: var(--radius-md);
  font-size: 16px;
  outline: none;
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
}

#form-producto select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  padding-right: 40px;
  cursor: pointer;
}

#form-producto select option {
  background-color: #0b0f19;
  color: var(--text-main);
  padding: 12px;
}

#form-producto input:focus,
#form-producto select:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

#form-producto button {
  background: linear-gradient(135deg, var(--accent-pink), #e11d48);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  padding: 14px;
  min-height: 48px;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(255, 42, 95, 0.35);
  margin-top: 4px;
}

#form-producto button:active {
  transform: scale(0.98);
  box-shadow: 0 2px 8px rgba(255, 42, 95, 0.2);
}

.seccion-lista {
  margin-bottom: 32px;
}

.titulo-seccion {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.seccion-comprados {
  opacity: 0.85;
  border-top: 1px dashed var(--card-border);
  padding-top: 24px;
}

.seccion-comprados .titulo-seccion {
  color: var(--accent-emerald);
}

.grid-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background-color: #0b0f19;
  border-bottom: 1px solid var(--card-border);
  cursor: zoom-in;
}

.card-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}

.badge {
  align-self: flex-start;
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  word-break: break-word;
}

.btn-eliminar {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  width: 38px;
  height: 38px;
  background-color: rgba(11, 15, 25, 0.75);
  backdrop-filter: blur(4px);
  color: var(--accent-pink);
  border: 1px solid rgba(255, 42, 95, 0.4);
  border-radius: 50%;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
  transition: var(--transition);
  line-height: 1;
}

.btn-eliminar:active {
  transform: scale(0.88);
  background-color: var(--accent-pink);
  color: #ffffff;
}

.precios {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--card-border);
}

.precio-yen-container {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.yen {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-yen);
  line-height: 1.1;
}

.eur {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.btn-comprar {
  margin-top: 8px;
  padding: 12px;
  min-height: 48px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.btn-comprar:active {
  transform: scale(0.97);
  background: rgba(255, 255, 255, 0.12);
}

.card.comprado {
  opacity: 0.5;
  filter: grayscale(80%);
}

.btn-comprar.marcado {
  background: var(--accent-emerald);
  color: #022c22;
  border-color: var(--accent-emerald);
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

@media (min-width: 600px) {
  #form-producto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .grid-container {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
  }
}

.modal-imagen {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(5, 8, 15, 0.9);
  backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  padding: 20px;
  animation: fadeIn 0.25s ease-out;
}

.modal-imagen.activo {
  display: flex;
}

#imagen-ampliada {
  max-width: 90%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
  animation: zoomIn 0.25s ease-out;
}

.cerrar-modal {
  position: absolute;
  top: 20px;
  right: 25px;
  color: var(--text-main);
  font-size: 35px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
}

.cerrar-modal:hover,
.cerrar-modal:active {
  color: var(--accent-pink);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes zoomIn {
  from {
    transform: scale(0.85);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

.modal-confirmar {
  display: none;
  position: fixed;
  z-index: 1100;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(5, 8, 15, 0.85);
  backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  padding: 20px;
  animation: fadeIn 0.2s ease-out;
}

.modal-confirmar.activo {
  display: flex;
}

.contenido-modal-confirmar {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
  animation: zoomIn 0.2s ease-out;
}

.icono-alerta {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.contenido-modal-confirmar h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.contenido-modal-confirmar p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 20px;
}

.acciones-modal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-modal {
  padding: 12px;
  min-height: 44px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-cancelar {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--card-border);
}

.btn-cancelar:active {
  background: rgba(255, 255, 255, 0.15);
}

.btn-eliminar-confirm {
  background: var(--accent-pink);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(255, 42, 95, 0.35);
}

.btn-eliminar-confirm:active {
  transform: scale(0.97);
}

.card {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6),
    0 0 15px rgba(255, 255, 255, 0.03);
}

.btn-eliminar {
  transition: color 0.15s ease,
    transform 0.15s ease,
    background-color 0.15s ease;
}

.btn-eliminar:hover {
  color: #ff4d4d;
  background: rgba(255, 77, 77, 0.438);
  transform: scale(1.15) rotate(90deg);
}

.btn-comprar {
  transition: background-color 0.2s ease,
    transform 0.15s ease,
    box-shadow 0.2s ease;
}

.btn-comprar:hover {
  transform: scale(1.02);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.btn-comprar.marcado:hover {
  background-color: rgba(76, 175, 80, 0.25);
}

.calc-input-wrap,
.mini-calculadora {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.calc-input-wrap:hover {
  border-color: var(--accent-color, #ff0055);
  box-shadow: 0 0 10px rgba(255, 0, 85, 0.15);
}

select,
input[type="text"],
input[type="number"] {
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

select:hover,
input[type="text"]:hover,
input[type="number"]:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background-color: #121212;
}

.card img {
  transition: filter 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.card img:hover {
  filter: brightness(1.1);
  transform: scale(1.02);
}