/* --- BOARD GRID --- */
.board-grid {
    display: grid;
    /* 4 Columnas forzadas: Todo, Progress, Review, Done */
    grid-template-columns: repeat(4, 1fr); 
    height: calc(100vh - 70px);
    background: var(--ink); /* Las líneas divisorias serán este fondo */
    gap: 1px; /* Espacio para las líneas */
    overflow-x: auto;
}

.column {
    background: var(--paper);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-width: 300px;
}

.column-header {
    padding: 1rem;
    border-bottom: 1px solid var(--ink);
    background: #fff;
    display: flex; justify-content: space-between;
    font-weight: bold;
    text-transform: uppercase;
}

.task-list {
    flex-grow: 1;
    padding: 1rem;
    overflow-y: auto;
    background-image: radial-gradient(var(--concrete) 1px, transparent 1px);
    background-size: 20px 20px; /* Grilla de puntos técnica */
}

/* Feedback visual Drag & Drop */
.task-list.drag-over {
    background-color: #e6ffb3; /* Tinte verde suave al arrastrar encima */
    box-shadow: inset 0 0 0 2px var(--acid);
}

/* --- CARD --- */
.task-card {
    background: #fff;
    border: 1px solid var(--ink);
    padding: 1rem;
    margin-bottom: 1rem;
    cursor: grab;
    transition: transform 0.1s, box-shadow 0.1s;
    position: relative;
    box-shadow: 2px 2px 0 rgba(0,0,0,0.1);
}

.task-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--ink);
    z-index: 10;
}

.task-card.dragging {
    opacity: 0.5;
    border: 1px dashed var(--ink);
    background: var(--acid);
}

.epic-pill {
    font-size: 0.65rem;
    padding: 2px 6px;
    border: 1px solid var(--ink);
    background: var(--concrete);
    margin-bottom: 0.5rem;
    display: inline-block;
    font-weight: bold;
}

.card-title { font-weight: bold; margin-bottom: 0.5rem; line-height: 1.3; }

.card-meta {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.7rem; color: #666; margin-top: 10px;
    border-top: 1px dashed #ccc; padding-top: 5px;
}

/* --- GANTT OVERRIDES (Brutalizing Frappe) --- */
#gantt-view { padding: 2rem; height: calc(100vh - 70px); overflow: auto; background: white; }
.gantt .bar-progress { fill: var(--acid) !important; }
.gantt .bar-label { fill: var(--ink) !important; font-family: var(--font-mono) !important; }