/* ============================================
   VARIABLES
   ============================================ */
:root {
  --negro:        #0a0a0a;
  --negro-medio:  #141414;
  --negro-claro:  #222222;
  --negro-borde:  #2a2a2a;
  --rojo:         #cc0000;
  --rojo-hover:   #e60000;
  --blanco:       #f0f0f0;
  --gris:         #555;
  --gris-claro:   #888;

  --fuente-titulo: 'Oswald', sans-serif;
  --fuente-texto:  'Inter', sans-serif;
}

/* ============================================
   RESET
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ============================================
   BASE
   ============================================ */
body {
  background-color: var(--negro);
  color: var(--blanco);
  font-family: var(--fuente-texto);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================================
   HEADER
   ============================================ */
header {
  padding: 32px 48px;
  border-bottom: 1px solid var(--negro-borde);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.header-logo {
  height: 170px;
  width: auto;
  max-width: 100%;
  display: block;
  grid-column: 2;
}

/* ============================================
   SELECTOR DE IDIOMA
   ============================================ */
.lang-selector {
  grid-column: 3;
  justify-self: end;
  position: relative;
}

.lang-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--negro-borde);
  border-radius: 6px;
  color: var(--gris-claro);
  cursor: pointer;
  font-family: var(--fuente-texto);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  padding: 8px 12px;
  text-transform: uppercase;
  transition: border-color 0.15s, color 0.15s;
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
}

.lang-trigger:hover {
  border-color: var(--gris-claro);
  color: var(--blanco);
}

.lang-flag {
  font-size: 16px;
  line-height: 1;
}

.lang-chevron {
  color: var(--gris-claro);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.lang-selector.abierto .lang-chevron {
  transform: rotate(180deg);
}

.lang-dropdown {
  list-style: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background-color: var(--negro-claro);
  border: 1px solid var(--negro-borde);
  border-radius: 6px;
  min-width: 140px;
  overflow: hidden;
  z-index: 200;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.lang-selector.abierto .lang-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  cursor: pointer;
  font-family: var(--fuente-texto);
  font-size: 13px;
  color: var(--gris-claro);
  transition: background-color 0.1s, color 0.1s;
  white-space: nowrap;
}

.lang-option:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--blanco);
}

.lang-option.lang-active {
  color: var(--blanco);
}

.lang-option-flag {
  font-size: 15px;
  line-height: 1;
}

@media (prefers-reduced-motion: reduce) {
  .lang-dropdown,
  .lang-chevron {
    transition: none;
  }
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  border-top: 1px solid var(--negro-borde);
  padding: 16px 48px;
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  font-family: var(--fuente-texto);
  font-size: 12px;
  color: var(--gris-claro);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

footer a {
  color: var(--gris-claro);
  text-decoration: none;
}

footer a:hover {
  color: var(--blanco);
}

/* ============================================
   LAYOUT — dos columnas
   ============================================ */
main {
  display: flex;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
  min-height: calc(100vh - 89px);
}

/* Columna izquierda */
#columna-izquierda {
  flex: 1;
  padding: 40px 48px;
  border-right: 1px solid var(--negro-borde);
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* Columna derecha */
#seccion-setlist {
  flex: 0 0 400px;
  padding: 40px 36px;
  position: sticky;
  top: 0;
  height: calc(100vh - 89px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ============================================
   TÍTULOS DE SECCIÓN
   ============================================ */
h2 {
  font-family: var(--fuente-titulo);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gris-claro);
  margin-bottom: 20px;
}

/* ============================================
   CAMPOS EN FILA (dos columnas dentro de un form)
   ============================================ */
.campos-fila {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.campos-fila .campo {
  flex: 1;
}

/* ============================================
   INPUTS
   ============================================ */
label {
  display: block;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gris-claro);
  margin-bottom: 6px;
}

input[type="text"],
input[type="date"],
input[type="number"] {
  background-color: var(--negro-medio);
  border: 1px solid var(--negro-borde);
  border-radius: 4px;
  color: var(--blanco);
  font-family: var(--fuente-texto);
  font-size: 16px;
  padding: 10px 14px;
  width: 100%;
  transition: border-color 0.15s;
}

input[type="text"]:focus,
input[type="date"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--rojo);
  box-shadow: 0 0 0 3px rgba(204, 0, 0, 0.2);
}

button:focus-visible {
  outline: 2px solid var(--rojo);
  outline-offset: 2px;
}

input::placeholder {
  color: var(--gris);
}

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.4);
  cursor: pointer;
}

/* ============================================
   CAMPO CON BOTÓN INTEGRADO
   ============================================ */
.campo-con-boton {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.campo-con-boton input[type="text"] {
  flex: 1;
}

/* Inputs de duración (minutos y segundos) */
.inputs-duracion {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.inputs-duracion input {
  width: 52px;
  text-align: center;
  padding: 10px 6px;
}

.inputs-duracion span {
  color: var(--gris-claro);
  font-size: 16px;
}

/* ============================================
   BOTONES
   ============================================ */
#boton-anadir {
  background-color: var(--rojo);
  border: none;
  border-radius: 4px;
  color: var(--blanco);
  cursor: pointer;
  font-family: var(--fuente-titulo);
  font-size: 12px;
  letter-spacing: 3px;
  padding: 11px 20px;
  text-transform: uppercase;
  transition: background-color 0.15s;
  width: 100%;
}

#boton-anadir:hover {
  background-color: var(--rojo-hover);
}

/* ============================================
   SPOTIFY
   ============================================ */
.spotify-descripcion {
  font-size: 13px;
  color: var(--gris-claro);
  margin-bottom: 16px;
  line-height: 1.5;
}

#spotify-conectado {
  display: none;
}

#boton-conectar-spotify {
  background-color: transparent;
  border: 1px solid #1DB954;
  border-radius: 4px;
  color: #1DB954;
  cursor: pointer;
  font-family: var(--fuente-titulo);
  font-size: 12px;
  letter-spacing: 3px;
  padding: 11px 20px;
  text-transform: uppercase;
  transition: background-color 0.15s, color 0.15s;
  width: 100%;
}

#boton-conectar-spotify:hover {
  background-color: #1DB954;
  color: var(--blanco);
}

#boton-buscar-spotify {
  background-color: var(--negro-claro);
  border: 1px solid var(--negro-borde);
  border-radius: 4px;
  color: var(--gris-claro);
  cursor: pointer;
  font-family: var(--fuente-titulo);
  font-size: 11px;
  letter-spacing: 2px;
  padding: 10px 16px;
  text-transform: uppercase;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

#boton-buscar-spotify:hover {
  border-color: var(--blanco);
  color: var(--blanco);
}

#resultados-spotify {
  list-style: none;
  margin-top: 12px;
}

#resultados-spotify li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--negro-borde);
  font-size: 13px;
  color: var(--gris-claro);
  gap: 12px;
}

#resultados-spotify li:last-child {
  border-bottom: none;
}

#resultados-spotify li button {
  background: none;
  border: 1px solid var(--negro-borde);
  border-radius: 3px;
  color: var(--gris-claro);
  cursor: pointer;
  font-size: 10px;
  letter-spacing: 1px;
  padding: 3px 10px;
  text-transform: uppercase;
  transition: border-color 0.15s, color 0.15s;
  flex-shrink: 0;
}

#resultados-spotify li button:hover {
  border-color: var(--rojo);
  color: var(--rojo);
}

.sin-resultados,
.buscando {
  color: var(--gris) !important;
  font-style: italic;
}

/* ============================================
   LOGO
   ============================================ */

/* Ocultamos el input de archivo nativo (feo por defecto) */
input[type="file"] {
  display: none;
}

.campo-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
}

/* Botón personalizado que actúa como el input de archivo */
.boton-subir-logo {
  background-color: transparent;
  border: 1px solid var(--rojo);
  border-radius: 4px;
  color: var(--rojo);
  cursor: pointer;
  font-family: var(--fuente-titulo);
  font-size: 11px;
  letter-spacing: 2px;
  padding: 8px 16px;
  text-transform: uppercase;
  transition: background-color 0.15s, color 0.15s;
  white-space: nowrap;
  margin-bottom: 0;
}

.boton-subir-logo:hover {
  background-color: var(--rojo);
  color: var(--blanco);
}

#nombre-archivo {
  font-size: 12px;
  color: var(--gris);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Preview del logo */
#preview-logo {
  display: none;
  max-height: 60px;
  max-width: 200px;
  margin-top: 12px;
  border-radius: 4px;
  opacity: 0.85;
}

/* ============================================
   SETLIST (columna derecha)
   ============================================ */

/* Título del setlist */
#seccion-setlist h2 {
  margin-bottom: 28px;
}

/* Info del concierto */
#info-concierto {
  flex-shrink: 0;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--negro-borde);
  text-align: center;
}

/* Logo dentro del setlist preview */
#logo-preview-setlist {
  max-height: 120px;
  max-width: 100%;
  display: block;
  margin: 0 auto 16px auto;
  opacity: 0.9;
}

#info-concierto p:first-of-type {
  font-family: var(--fuente-titulo);
  font-size: 22px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blanco);
  line-height: 1.2;
}

#info-concierto p:last-of-type {
  font-size: 11px;
  color: var(--gris-claro);
  margin-top: 6px;
  letter-spacing: 1px;
}

/* Lista de canciones */
#lista-canciones {
  list-style: none;
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

#lista-canciones li {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: 14px 0;
  border-bottom: 1px solid var(--negro-borde);
  text-align: center;
  gap: 2px;
}

#lista-canciones li:last-child {
  border-bottom: none;
}

/* Número de la canción */
#lista-canciones li .numero {
  font-family: var(--fuente-titulo);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gris);
}

/* Nombre de la canción */
#lista-canciones li .nombre {
  font-family: var(--fuente-titulo);
  font-size: 26px;
  letter-spacing: 1px;
  color: var(--blanco);
  text-transform: uppercase;
  line-height: 1.2;
}

/* Duración */
#lista-canciones li .duracion {
  font-size: 13px;
  color: var(--gris-claro);
  letter-spacing: 2px;
}

/* Mensaje cuando el setlist está vacío */
#estado-vacio {
  text-align: center;
  color: var(--gris);
  font-size: 13px;
  letter-spacing: 1px;
  padding: 48px 0;
}

/* Mensaje guía de drag & drop */
#guia-orden {
  font-size: 11px;
  color: var(--gris);
  text-align: center;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

/* Cada canción es arrastrable */
#lista-canciones li {
  cursor: grab;
}

#lista-canciones li:active {
  cursor: grabbing;
}

/* Canción que se está arrastrando */
#lista-canciones li.arrastrando {
  opacity: 0.3;
}

/* Canción sobre la que pasas mientras arrastras */
#lista-canciones li.drag-encima {
  border-top: 2px solid var(--rojo);
}

/* Botón eliminar */
.boton-eliminar {
  background: none;
  border: none;
  color: var(--gris);
  cursor: pointer;
  font-size: 12px;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
}

.boton-eliminar:hover {
  color: var(--rojo);
}

/* Pie del setlist: tiempo total + botón exportar */
#pie-setlist {
  flex-shrink: 0;
  padding-top: 20px;
  margin-top: 16px;
  border-top: 1px solid var(--negro-borde);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#tiempo-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gris-claro);
}

#duracion-total {
  font-family: var(--fuente-titulo);
  font-size: 22px;
  letter-spacing: 1px;
  color: var(--blanco);
}

/* Consejo antes de exportar */
#consejo-exportar {
  font-size: 12px;
  color: var(--gris-claro);
  line-height: 1.6;
  border-left: 2px solid var(--rojo);
  padding-left: 12px;
}

/* Botón exportar */
#boton-exportar {
  background-color: var(--rojo);
  border: none;
  border-radius: 4px;
  color: var(--blanco);
  cursor: pointer;
  font-family: var(--fuente-titulo);
  font-size: 12px;
  letter-spacing: 3px;
  padding: 13px 20px;
  text-transform: uppercase;
  transition: background-color 0.15s;
  width: 100%;
}

#boton-exportar:hover {
  background-color: var(--rojo-hover);
}

/* Botón imprimir */
#boton-imprimir {
  background-color: transparent;
  border: 1px solid var(--negro-borde);
  border-radius: 4px;
  color: var(--gris-claro);
  cursor: pointer;
  font-family: var(--fuente-titulo);
  font-size: 12px;
  letter-spacing: 3px;
  padding: 13px 20px;
  text-transform: uppercase;
  transition: border-color 0.15s, color 0.15s;
  width: 100%;
}

#boton-imprimir:hover {
  border-color: var(--blanco);
  color: var(--blanco);
}

/* ============================================
   ESTILOS DE IMPRESIÓN
   Solo se aplican al imprimir o guardar como PDF
   ============================================ */
@media print {

  /* Ocultamos todo excepto el setlist */
  header,
  #columna-izquierda,
  footer {
    display: none !important;
  }

  /* El setlist ocupa toda la página */
  body {
    background-color: white;
    color: black;
  }

  main {
    display: block;
  }

  #seccion-setlist {
    position: static;
    height: auto;
    width: 100%;
    max-width: 600px;
    margin: 40px auto;
    padding: 0;
    border: none;
    overflow: visible;
  }

  /* Ocultamos controles, números, duraciones, pie y mensajes */
  .boton-eliminar,
  #lista-canciones .numero,
  #lista-canciones .duracion,
  #guia-orden,
  #pie-setlist,
  #consejo-exportar,
  h2 {
    display: none !important;
  }

  /* Info del concierto: fondo blanco, texto negro */
  #info-concierto {
    border-bottom: 1px solid #ccc;
    text-align: center;
    margin-bottom: 12pt;
    padding-bottom: 10pt;
  }

  #info-concierto p:first-of-type {
    color: black;
    font-size: 20pt;
  }

  #info-concierto p:last-of-type {
    color: #555;
    font-size: 11pt;
  }

  /* Logo en blanco e negro para impresión */
  #logo-preview-setlist {
    max-height: 60pt;
  }

  /* Canciones: solo el nombre, grande y centrado */
  #lista-canciones li {
    border-bottom: none !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: 0 !important;
    flex-direction: row !important;
    justify-content: center !important;
    align-items: center !important;
  }

  #lista-canciones .nombre {
    font-size: 32pt !important;
    color: black !important;
    text-transform: uppercase !important;
    text-align: center !important;
    line-height: 1.15 !important;
    white-space: nowrap !important;
    display: block !important;
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 800px) {
  main {
    flex-direction: column;
  }

  #columna-izquierda {
    padding: 32px 24px;
    border-right: none;
    border-bottom: 1px solid var(--negro-borde);
  }

  #seccion-setlist {
    flex: none;
    position: static;
    height: auto;
    padding: 32px 24px;
    order: -1;
  }

  .campos-fila {
    flex-direction: column;
    gap: 0;
  }

  header {
    padding: 20px 24px;
  }

  .header-logo {
    height: auto;
    max-height: 90px;
    max-width: calc(100vw - 130px);
  }
}

/* ============================================
   INDICADOR DE MARGEN
   ============================================ */
#indicador-margen {
  display: none;
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

#indicador-margen.verde {
  background-color: rgba(40, 167, 69, 0.12);
  color: #4caf6e;
  border: 1px solid rgba(40, 167, 69, 0.3);
}

#indicador-margen.naranja {
  background-color: rgba(255, 165, 0, 0.12);
  color: #ffa500;
  border: 1px solid rgba(255, 165, 0, 0.3);
}

#indicador-margen.rojo {
  background-color: rgba(204, 0, 0, 0.12);
  color: var(--rojo-hover);
  border: 1px solid rgba(204, 0, 0, 0.3);
}

/* Animación de shake para campo obligatorio no rellenado */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.campo-requerido {
  border-color: var(--rojo) !important;
  animation: shake 0.4s ease;
}

/* Respetamos la preferencia del usuario si tiene activado "reducir movimiento" */
@media (prefers-reduced-motion: reduce) {
  .campo-requerido {
    animation: none;
  }
}