:root {
  /* PALETA DE COLORES "ZEN / NATURE" (Tonos Cálidos, Crema y Salvia) */
  --fondo-cuerpo: #fbfaf8; /* Blanco hueso/crema, relaja la vista */
  --fondo-columna: #f4f2ee; /* Arena muy suave para las columnas */
  --fondo-tarjeta: #ffffff; /* Blanco puro para la lectura */
  --borde-sutil: #e5e2db; /* Bordes cálidos y sutiles */

  --texto-primario: #2c2a29; /* Café muy oscuro, menos agresivo que el negro */
  --texto-secundario: #797470; /* Gris cálido para meta-datos */

  /* Acento Verde Salvia (Calmado pero distintivo) */
  --acento: #5c8d89; /* Verde Salvia principal */
  --acento-hover: #4a7572; /* Salvia oscuro al pasar el mouse */
  --acento-bg: #f0f5f4; /* Fondo Salvia muy claro para botones secundarios */
  --acento-texto: #ffffff;

  /* Estados (Tonos tierra/orgánicos) */
  --peligro: #c86a58; /* Terracota / Ladrillo */
  --advertencia: #d69e49; /* Ocre / Mostaza (El toque amarillento) */
  --exito: #6b9b76; /* Verde hoja */

  --radio: 10px; /* Bordes un poquito más rectos, look más tecnológico */
  --sombra: 0 4px 6px -1px rgb(0 0 0 / 0.04), 0 2px 4px -2px rgb(0 0 0 / 0.04);
  --sombra-hover:
    0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
  -ms-overflow-style: none; /* IE and Edge */
  scrollbar-width: none; /* Firefox */
}

/* Ocultar barra de desplazamiento */
::-webkit-scrollbar {
  display: none;
}

body {
  background-color: var(--fondo-cuerpo);
  color: var(--texto-primario);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

header {
  padding: 1.2rem 2rem;
  background-color: var(--fondo-tarjeta);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.05); /* Sombra sutil en el header */
}

.container-principal {
  display: flex;
  align-items: center;
  gap: 2rem;
  width: 100%;
}

.controles-globales {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: space-between;
}

.title-tablero {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--texto-primario);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0;
  letter-spacing: -0.5px;
}

.icono-rayo {
  color: var(--acento);
  background-color: var(--acento-bg);
  border-radius: 8px;
  padding: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icono-rayo svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  stroke: none;
}

.controles-proyecto {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.controles-derecha {
  display: flex;
  gap: 1rem;
  margin-left: auto;
}

/* --- CUSTOM SELECT PROYECTO --- */
.custom-select-wrapper {
  position: relative;
  width: 300px;
  max-width: 300px;
}
.custom-select-selected {
  background-color: var(--fondo-cuerpo);
  color: var(--texto-primario);
  border: 1px solid var(--borde-sutil);
  padding: 0.7rem 1.2rem;
  border-radius: var(--radio);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  transition:
    border-color 0.2s,
    background-color 0.2s;
  overflow: hidden; /* Added to contain wide spans */
}
.custom-select-selected:hover {
  border-color: var(--acento);
  background-color: var(--fondo-tarjeta);
}
.texto-truncado {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.custom-select-items {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 0.5rem;
  background-color: var(--fondo-tarjeta);
  border: 1px solid var(--borde-sutil);
  border-radius: var(--radio);
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 220px;
  display: none;
  z-index: 100;
  box-shadow: var(--sombra-hover);
}
.custom-select-items.active {
  display: block;
}
.custom-select-item {
  padding: 0.7rem 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: background-color 0.2s;
  font-size: 0.9rem;
  color: var(--texto-primario);
}
.custom-select-item:hover {
  background-color: var(--fondo-cuerpo);
}
.custom-select-item.selected {
  color: var(--acento);
  background-color: var(--acento-bg);
  font-weight: 600;
}

/* --- ICON PICKER --- */
.icon-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  gap: 0.8rem;
}
.icon-option,
.icon-option-editar {
  background-color: var(--fondo-cuerpo);
  border: 1px solid var(--borde-sutil);
  color: var(--texto-secundario);
  padding: 0.8rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.2s;
}
.icon-option:hover {
  border-color: var(--texto-primario);
  color: var(--texto-primario);
}
.icon-option.active,
.icon-option-editar.active {
  border-color: var(--acento);
  color: var(--acento);
  background-color: var(--acento-bg);
}

/* Botón Hamburgesa */
.btn-menu {
  display: none;
  background: transparent;
  border: 1px solid var(--borde-sutil);
  color: var(--texto-primario);
  padding: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
}

button {
  border: none;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  white-space: nowrap;
}

/* Botón Principal */
.btn-primario {
  background-color: var(--acento);
  color: var(--acento-texto);
  box-shadow: 0 2px 4px rgba(99, 102, 241, 0.2);
}
.btn-primario:hover {
  background-color: var(--acento-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Botón Secundario */
.btn-secundario {
  background-color: var(--fondo-tarjeta);
  border: 1px solid var(--borde-sutil);
  color: var(--texto-primario);
}
.btn-secundario:hover {
  border-color: var(--texto-secundario);
  background-color: var(--fondo-cuerpo);
}

.title-button-tablero {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Botón Peligro */
.btn-peligro {
  background-color: transparent;
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--peligro);
}
.btn-peligro:hover {
  border-color: var(--peligro);
  background-color: rgba(239, 68, 68, 0.05);
}

.contenedor-tablero {
  width: 100%;
  flex: 1;
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  overflow-x: auto;
}

.columna-tablero {
  background-color: var(--fondo-columna);
  border-radius: var(--radio);
  padding: 1rem;
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 120px);
  border: 1px solid var(--borde-sutil); /* Define sutilmente la columna */
}

.cabecera-columna {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--texto-primario);
}

.punto-estado {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 0.3rem;
}

.estado-por-hacer {
  background-color: var(--peligro);
}
.estado-en-progreso {
  background-color: var(--advertencia);
}
.estado-completado {
  background-color: var(--exito);
}

.p-alta {
  background-color: var(--peligro);
  color: #991b1b;
  border: 1px solid #fecaca;
}
.p-media {
  background-color: var(--advertencia);
  color: #b45309;
  border: 1px solid #fde68a;
}
.p-baja {
  background-color: var(--exito);
  color: #166534;
  border: 1px solid #bbf7d0;
}

/* --- CUSTOM TAGS --- */
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.5rem;
  margin-right: 0.4rem;
}
.tag-pill button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  opacity: 0.7;
}
.tag-pill button:hover {
  opacity: 1;
}

.tag-green {
  background-color: #dcfce7;
  color: #166534;
}
.bg-green {
  background-color: #dcfce7;
  border: 2px solid #166534 !important;
}

.tag-red {
  background-color: #fee2e2;
  color: #991b1b;
}
.bg-red {
  background-color: #fee2e2;
  border: 2px solid #991b1b !important;
}

.tag-amber {
  background-color: #fef3c7;
  color: #b45309;
}
.bg-amber {
  background-color: #fef3c7;
  border: 2px solid #b45309 !important;
}

.tag-blue {
  background-color: #dbeafe;
  color: #1e40af;
}
.bg-blue {
  background-color: #dbeafe;
  border: 2px solid #1e40af !important;
}

.tag-purple {
  background-color: #f3e8ff;
  color: #6b21a8;
}
.bg-purple {
  background-color: #f3e8ff;
  border: 2px solid #6b21a8 !important;
}

.tag-slate {
  background-color: #f1f5f9;
  color: #475569;
}
.bg-slate {
  background-color: #f1f5f9;
  border: 2px solid #475569 !important;
}

.tag-teal {
  background-color: #ccfbf1;
  color: #0f766e;
}
.bg-teal {
  background-color: #ccfbf1;
  border: 2px solid #0f766e !important;
}

.tag-rose {
  background-color: #ffe4e6;
  color: #be123c;
}
.bg-rose {
  background-color: #ffe4e6;
  border: 2px solid #be123c !important;
}

.tag-sky {
  background-color: #e0f2fe;
  color: #0369a1;
}
.bg-sky {
  background-color: #e0f2fe;
  border: 2px solid #0369a1 !important;
}

.tag-lime {
  background-color: #ecfccb;
  color: #4d7c0f;
}
.bg-lime {
  background-color: #ecfccb;
  border: 2px solid #4d7c0f !important;
}

.color-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent !important;
  opacity: 0.5;
  transition: all 0.2s;
  padding: 0;
  outline: none;
}
.color-circle:hover {
  opacity: 0.8;
}
.color-circle.active {
  opacity: 1;
  transform: scale(1.1);
}

/* --- SUBTAREAS & PROGRESS BAR --- */
.subtarea-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--fondo-cuerpo);
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--borde-sutil);
}
.subtarea-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--acento);
}
.subtarea-item span {
  flex: 1;
  font-size: 0.85rem;
  color: var(--texto-primario);
}
.subtarea-item.completada span {
  text-decoration: line-through;
  color: var(--texto-secundario);
}

.progress-container {
  width: 100%;
  background-color: var(--borde-sutil);
  border-radius: 4px;
  height: 6px;
  margin-top: 0.5rem;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  border-radius: 4px;
  transition:
    width 0.3s ease,
    background-color 0.3s ease;
}
.bg-progress-amarillo {
  background-color: #f59e0b;
} /* Amber 500 */
.bg-progress-verde {
  background-color: #10b981;
} /* Emerald 500 */

.contador-tareas {
  background-color: var(--fondo-cuerpo);
  color: var(--texto-secundario);
  border-radius: 12px;
  padding: 0.1rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  border: 1px solid var(--borde-sutil);
}

.lista-tareas {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 0.3rem;
  padding-bottom: 0.5rem;
  padding-right: 0.5rem;
  padding-left: 0.2rem;
  min-height: 120px;
  transition: background-color 0.2s;
  border-radius: 8px;
}

.estado-vacio {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 120px;
  border: 2px dashed var(--borde-sutil);
  border-radius: var(--radio);
  background-color: transparent;
  text-align: center;
  pointer-events: none; /* Permite que el drop event pase al contenedor padre */
}

.tarjeta {
  background-color: var(--fondo-tarjeta);
  border-radius: var(--radio);
  padding: 1.2rem;
  box-shadow: var(--sombra);
  cursor: grab;
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    border-color 0.2s;
  border: 1px solid var(--borde-sutil);
  position: relative;
}

.cabecera-tarjeta {
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.etiqueta-prioridad {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Etiquetas de colores terrosos y naturales */
.p-alta {
  background-color: #f7e6e3;
  color: #a34736;
} /* Fondo terracota pastel, texto terracota */
.p-media {
  background-color: #fcf1de;
  color: #b07c2a;
} /* Fondo ocre pastel, texto ocre */
.p-baja {
  background-color: #eaf1eb;
  color: #497853;
} /* Fondo verde pastel, texto verde oscuro */

.contenido-tarjeta {
  font-size: 0.95rem;
  color: var(--texto-primario);
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: break-word;
  word-break: break-word;
  margin-bottom: 1rem;
}

.meta-tarjeta {
  width: auto;
  font-size: 0.75rem;
  color: var(--texto-secundario);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--fondo-cuerpo);
  padding-top: 0.8rem;
}

.etiqueta-responsable {
  font-weight: 600;
  color: var(--acento);
  background-color: var(--acento-bg);
  margin-left: auto;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 20px;
}

/* --- ESTADOS DRAG AND DROP Y TARJETA --- */
.lista-tareas.drag-over {
  background-color: rgba(0, 0, 0, 0.03);
  border: 2px dashed var(--borde-sutil);
}

.tarjeta:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-hover);
  border-color: var(--acento);
}

.tarjeta.arrastrando {
  opacity: 0.5;
  box-shadow: none;
  border: 2px dashed var(--acento);
}

.tarjeta.completada {
  background-color: var(--fondo-cuerpo);
  border-color: transparent;
  box-shadow: none;
}
.tarjeta.completada .contenido-tarjeta {
  text-decoration: line-through;
  color: var(--texto-secundario);
}

.btn-eliminar-tarea {
  background: none;
  border: none;
  color: var(--texto-secundario);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  padding: 0.3rem;
  border-radius: 4px;
  opacity: 0;
  transition: all 0.2s;
}
.btn-eliminar-tarea:hover {
  background-color: var(--fondo-cuerpo);
}
.tarjeta:hover .btn-eliminar-tarea {
  opacity: 1;
}
.btn-eliminar-tarea:hover i[data-lucide="x"] {
  color: var(--peligro);
}
.btn-eliminar-tarea:hover i[data-lucide="pencil"] {
  color: var(--acento);
}

/* --- MODALES --- */
.capa-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(44, 42, 41, 0.4); /* Overlay oscuro cálido */
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  backdrop-filter: blur(4px);
}
.capa-modal.activo {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--fondo-tarjeta);
  padding: 2.5rem;
  border-radius: var(--radio);
  width: 450px;
  max-width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--borde-sutil);
  transform: translateY(20px);
  transition: transform 0.2s;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}
.capa-modal.activo .modal {
  transform: translateY(0);
}

.modal h2 {
  margin-bottom: 1.5rem;
  color: var(--texto-primario);
  margin-top: 0;
}

.grupo-formulario {
  margin-bottom: 1.2rem;
}
.grupo-formulario label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--texto-secundario);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.input-formulario {
  width: 100%;
  padding: 0.9rem;
  background: var(--fondo-cuerpo);
  border: 1px solid var(--borde-sutil);
  border-radius: 8px;
  color: var(--texto-primario);
  outline: none;
  transition: all 0.2s;
  font-size: 0.95rem;
}
select.input-formulario {
  appearance: none;
  /* Icono SVG gris cálido adaptado al modo claro */
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23827e7a%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 0.65em auto;
}
.input-formulario:focus {
  border-color: var(--acento);
  background-color: var(--fondo-tarjeta);
  box-shadow: 0 0 0 3px var(--acento-bg);
}

.acciones-modal {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 2rem;
}

.fila-formulario {
  display: flex;
  gap: 1rem;
}
.fila-formulario .grupo-formulario {
  flex: 1;
}

/* --- TOAST NOTIFICACIÓN --- */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--texto-primario);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  box-shadow: var(--sombra-hover);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 1000;
  pointer-events: none;
}

.toast.mostrar {
  transform: translateY(0);
  opacity: 1;
}

/* --- MEDIA QUERIES PARA RESPONSIVIDAD --- */
@media (max-width: 1024px) {
  .container-principal {
    gap: 1rem;
  }
  .select-proyecto {
    min-width: 180px;
  }
}

@media (max-width: 768px) {
  /* Modales en móvil: optimizar espacio */
  .modal {
    padding: 1.8rem;
    max-height: 80vh; /* Ocupa 80vh para no pegar con los bordes de la pantalla */
  }
  .modal h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }
  .grupo-formulario {
    margin-bottom: 0.8rem;
  }
  .fila-formulario {
    gap: 0.5rem;
  }
  .input-formulario {
    padding: 0.7rem;
    font-size: 0.9rem;
  }
  .acciones-modal {
    margin-top: 1rem;
  }

  header {
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--fondo-tarjeta);
    border-bottom: 1px solid var(--borde-sutil);
  }

  .btn-menu {
    display: flex;
    order: 2;
  }

  .container-principal {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    position: relative;
  }

  .title-tablero {
    justify-content: flex-start;
    flex: 1;
    font-size: 1.5rem;
    order: 1;
  }

  .controles-globales {
    display: none;
    position: absolute;
    top: calc(100% + 1rem);
    left: 0;
    width: 100%;
    background-color: var(--fondo-tarjeta);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.5rem;
    border-radius: 0 0 var(--radio) var(--radio);
    border: 1px solid var(--borde-sutil);
    box-shadow: var(--sombra-hover);
    z-index: 999;
  }

  .controles-globales.active {
    display: flex;
  }
  .controles-proyecto {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }
  .custom-select-wrapper {
    width: 100%;
  }
  .btn-primario,
  .btn-secundario,
  .btn-peligro {
    width: 100%;
    justify-content: center;
    padding: 1rem;
  }

  .controles-derecha {
    margin-left: 0;
    width: 100%;
    border-top: 1px solid var(--borde-sutil);
    padding-top: 1rem;
  }

  .contenedor-tablero {
    flex-direction: column;
    padding: 1rem;
    gap: 2rem;
  }
  .columna-tablero {
    min-width: unset;
    width: 100%;
    max-height: none;
  }

  .cabecera-columna {
    margin-bottom: 1.2rem;
    position: sticky;
    top: 0;
    background-color: var(--fondo-columna);
    padding: 0.8rem;
    border-radius: 8px;
    z-index: 5;
  }

  .lista-tareas {
    max-height: 400px;
  }
}