/* ===========================================================================
   Módulo Proyectos — estilos adaptados del diseño original (Notion+Planka)
   Todas las clases son exclusivas de este módulo (prefijo proy- o nombres
   que no colisionan con Bootstrap) para no afectar el resto del ERP.
   El color de acento sigue el --color-primario dinámico de la empresa.
   =========================================================================== */

:root {
    --proy-accent: var(--color-primario, #2563eb);
    --proy-accent-soft: color-mix(in srgb, var(--proy-accent) 12%, transparent);
    --proy-border: #e5e7eb;
    --proy-bg-sidebar: #f8f9fb;
    --proy-bg-hover: #f1f2f4;
    --proy-text-muted: #6b7280;
    --proy-text-faint: #9ca3af;
    --proy-radius-md: 6px;
    --proy-radius-lg: 10px;
    --proy-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --proy-shadow-md: 0 2px 10px rgba(0, 0, 0, 0.10);
    --proy-shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.16);
}

/* ---------- Tabs del proyecto ---------- */
.project-tabs {
    display: flex;
    gap: 1.5rem;
    border-bottom: 1px solid var(--proy-border);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

    .project-tabs .nav-link {
        color: var(--proy-text-muted);
        padding: 0.6rem 0.1rem;
        font-size: 0.9rem;
        font-weight: 500;
        border: none;
        border-bottom: 2px solid transparent;
        border-radius: 0;
        background: none;
    }

        .project-tabs .nav-link:hover {
            color: #111827;
        }

        .project-tabs .nav-link.active {
            color: var(--proy-accent);
            border-bottom-color: var(--proy-accent);
            background: none;
        }

/* ---------- Tarjetas de proyecto (lista "Mis Proyectos") ---------- */
.project-grid .project-card {
    display: block;
    height: 100%;
    background: #fff;
    border: 1px solid var(--proy-border);
    border-top: 3px solid var(--proy-accent);
    border-radius: var(--proy-radius-lg);
    transition: box-shadow .15s ease, transform .15s ease;
}

    .project-grid .project-card:hover {
        box-shadow: var(--proy-shadow-md);
        transform: translateY(-2px);
    }

/* ---------- Etiquetas tipo "chip" ---------- */
.label-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 500;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--label-color, #6b7280) 16%, transparent);
    color: var(--label-color, #374151);
    white-space: nowrap;
}

    .label-chip::before {
        content: '';
        width: 0.45rem;
        height: 0.45rem;
        border-radius: 50%;
        background: var(--label-color, #6b7280);
        flex-shrink: 0;
    }

/* ---------- Badge neutro propio del módulo (para no chocar con .badge de Bootstrap) ---------- */
.proy-badge {
    display: inline-block;
    background: var(--proy-bg-hover);
    color: var(--proy-text-muted);
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 500;
}

/* ---------- Backlog ---------- */
.backlog-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.backlog-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #fff;
    border: 1px solid var(--proy-border);
    border-radius: var(--proy-radius-md);
    padding: 0.15rem 0.6rem;
    transition: border-color .12s ease, box-shadow .12s ease;
}

    .backlog-item:hover {
        border-color: var(--proy-accent);
    }

    .backlog-item.proy-dragging {
        opacity: .5;
    }

.drag-handle {
    color: var(--proy-text-faint);
    cursor: grab;
    padding: 0.5rem 0.15rem;
    user-select: none;
}

.backlog-item-main {
    flex: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.6rem;
    padding: 0.65rem 0.15rem;
    text-align: left;
    cursor: pointer;
}

.backlog-item-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: #111827;
}

.backlog-item-meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

/* ---------- Planificación de sprint ---------- */
.planning-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    align-items: start;
}

@media (max-width: 767px) {
    .planning-grid {
        grid-template-columns: 1fr;
    }
}

.planning-column {
    background: var(--proy-bg-sidebar);
    border: 1px solid var(--proy-border);
    border-radius: var(--proy-radius-lg);
    padding: 1rem;
    min-height: 320px;
    transition: background-color .12s ease;
}

    .planning-column.proy-drop-target {
        background: var(--proy-accent-soft);
    }

/* ---------- Tablero Kanban ---------- */
.kanban-board {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    overflow-x: auto;
    padding-bottom: 1rem;
}

.kanban-column {
    background: var(--proy-bg-sidebar);
    border: 1px solid var(--proy-border);
    border-radius: var(--proy-radius-lg);
    padding: 0.85rem;
    width: 300px;
    flex-shrink: 0;
    min-height: 260px;
}

    .kanban-column h6 {
        font-size: 0.82rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: .02em;
        color: var(--proy-text-muted);
    }

.kanban-cards {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    min-height: 48px;
}

.kanban-card {
    background: #fff;
    border: 1px solid var(--proy-border);
    border-radius: var(--proy-radius-md);
    padding: 0.65rem 0.75rem;
    cursor: grab;
    box-shadow: var(--proy-shadow-sm);
    transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease, border-color .12s ease;
}

    .kanban-card:hover {
        border-color: var(--proy-accent);
    }

    .kanban-card:active {
        cursor: grabbing;
    }

    .kanban-card.proy-dragging {
        opacity: .45;
        transform: scale(1.03) rotate(-1deg);
        box-shadow: var(--proy-shadow-lg);
    }

.kanban-card-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: #111827;
    margin-bottom: 0.4rem;
}

.kanban-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
}

.kanban-quick-add {
    margin-top: 0.6rem;
    font-size: 0.8rem;
    padding: 0.45rem 0.6rem;
    background: transparent;
    border-style: dashed;
}

/* ---------- Sprints ---------- */
.status-badge {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.status-planificado {
    background: var(--proy-bg-hover);
    color: var(--proy-text-muted);
}

.status-activo {
    background: #e9f7ee;
    color: #17843b;
}

.status-cerrado {
    background: var(--proy-bg-hover);
    color: var(--proy-text-faint);
}

/* ---------- Avatares ---------- */
.proy-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 50%;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.02em;
}

.proy-avatar-sm {
    width: 1.6rem;
    height: 1.6rem;
    font-size: 0.65rem;
}

.proy-avatar-md {
    width: 2.1rem;
    height: 2.1rem;
    font-size: 0.78rem;
}

.proy-avatar-color-0 { background: #e05252; }
.proy-avatar-color-1 { background: #d9822b; }
.proy-avatar-color-2 { background: #c9a227; }
.proy-avatar-color-3 { background: #3f9e5c; }
.proy-avatar-color-4 { background: #2f9e8f; }
.proy-avatar-color-5 { background: #3b82c9; }
.proy-avatar-color-6 { background: #6f6fd6; }
.proy-avatar-color-7 { background: #c15fc1; }

/* ---------- Filtros de historias ---------- */
.story-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
}

    .story-filters select {
        width: auto;
        min-width: 160px;
    }

.search-box {
    position: relative;
    max-width: 260px;
    color: var(--proy-text-faint);
}

    .search-box i {
        position: absolute;
        left: 0.7rem;
        top: 50%;
        transform: translateY(-50%);
        pointer-events: none;
        color: var(--proy-text-faint);
    }

.search-input {
    width: 100%;
    padding-left: 2.1rem;
}

.date-filter {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--proy-text-muted);
}

    .date-filter input {
        width: auto;
    }

/* ---------- Tabla de historias ---------- */
.story-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--proy-border);
    border-radius: var(--proy-radius-lg);
}

.story-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    background: #fff;
}

    .story-table th {
        text-align: left;
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: .04em;
        color: var(--proy-text-faint);
        padding: 0.7rem 0.9rem;
        border-bottom: 1px solid var(--proy-border);
        white-space: nowrap;
    }

    .story-table td {
        padding: 0.6rem 0.9rem;
        border-bottom: 1px solid var(--proy-border);
        white-space: nowrap;
        vertical-align: middle;
    }

    .story-table tbody tr {
        cursor: pointer;
    }

        .story-table tbody tr:hover {
            background: var(--proy-bg-hover);
        }

        .story-table tbody tr:last-child td {
            border-bottom: none;
        }

.story-table-title {
    font-weight: 500;
    color: #111827;
    white-space: normal;
    min-width: 200px;
}

/* ---------- Estados vacíos ---------- */
.proy-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    color: var(--proy-text-muted);
    text-align: center;
    gap: 0.35rem;
    background: var(--proy-bg-sidebar);
    border: 1px dashed var(--proy-border);
    border-radius: var(--proy-radius-lg);
}

    .proy-empty-state strong {
        color: #111827;
        font-size: 0.95rem;
    }