/* ============================================================
   Kanban Board — estilos aislados con prefijo .kanban-
   ============================================================ */

.kanban-root {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.kanban-loading,
.kanban-error {
    padding: 24px;
    text-align: center;
    color: #666;
}
.kanban-error { color: #b00020; }

/* ----- Toolbar ----- */
.kanban-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.kanban-add-column-btn {
    padding: 8px 14px;
    border: 1px solid #d0d7de;
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.15s;
}
.kanban-add-column-btn:hover { background: #f3f4f6; }
.kanban-hint {
    font-size: 0.85rem;
    color: #6b7280;
}

/* ----- Columnas ----- */
.kanban-columns {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
    align-items: flex-start;
    scroll-snap-type: x proximity;
}

.kanban-column {
    flex: 0 0 280px;
    background: #f4f5f7;
    border-radius: 8px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 240px);
    scroll-snap-align: start;
}

.kanban-column-ghost {
    opacity: 0.5;
    background: #e0e7ff;
}

.kanban-column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}
.kanban-column-title-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    flex: 1;
}
.kanban-column-drag {
    cursor: grab;
    color: #9ca3af;
    user-select: none;
    font-size: 0.9rem;
}
.kanban-column-drag:active { cursor: grabbing; }
.kanban-column-title {
    font-weight: 600;
    color: #111827;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.kanban-column-count {
    background: #e5e7eb;
    color: #4b5563;
    font-size: 0.75rem;
    border-radius: 10px;
    padding: 2px 8px;
    font-weight: 600;
}
.kanban-column-menu-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: #6b7280;
    font-size: 1.2rem;
    padding: 0 4px;
    line-height: 1;
}
.kanban-column-menu-btn:hover { color: #111827; }

.kanban-column-status-tag {
    font-size: 0.7rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    padding-left: 22px;
}

/* ----- Cards container ----- */
.kanban-cards {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    padding: 4px 2px;
    min-height: 40px;
    flex: 1;
}

.kanban-empty {
    color: #9ca3af;
    font-size: 0.85rem;
    text-align: center;
    padding: 16px 8px;
    border: 2px dashed #d1d5db;
    border-radius: 6px;
}

/* ----- Card ----- */
.kanban-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    padding: 10px;
    cursor: grab;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    touch-action: none; /* clave para DnD táctil */
}
.kanban-card:active { cursor: grabbing; }
.kanban-card-ghost {
    opacity: 0.4;
    background: #dbeafe;
}
.kanban-card-title {
    font-weight: 600;
    color: #111827;
    margin-bottom: 4px;
    word-break: break-word;
}
.kanban-card-desc {
    font-size: 0.85rem;
    color: #4b5563;
    margin-bottom: 6px;
    word-break: break-word;
}
.kanban-card-meta {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 0.75rem;
}
.kanban-card-prio,
.kanban-card-dur {
    background: #f3f4f6;
    color: #374151;
    border-radius: 10px;
    padding: 2px 8px;
    font-weight: 600;
}
.kanban-card-prio.prio-1 { background: #fee2e2; color: #b91c1c; }
.kanban-card-prio.prio-2 { background: #ffedd5; color: #c2410c; }
.kanban-card-prio.prio-3 { background: #fef3c7; color: #a16207; }
.kanban-card-prio.prio-4,
.kanban-card-prio.prio-5 { background: #dcfce7; color: #166534; }
.kanban-card-prio.prio-6,
.kanban-card-prio.prio-7 { background: #dbeafe; color: #1e40af; }

/* ----- Modal ----- */
.kanban-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 16px;
}
.kanban-modal {
    background: #fff;
    border-radius: 8px;
    width: 100%;
    max-width: 420px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.kanban-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid #e5e7eb;
}
.kanban-modal-header h3 { margin: 0; font-size: 1.05rem; }
.kanban-modal-close {
    background: transparent; border: none; cursor: pointer;
    font-size: 1.5rem; color: #6b7280; line-height: 1;
}
.kanban-modal-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.kanban-modal-body label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.85rem;
    color: #374151;
    font-weight: 600;
}
.kanban-modal-body input,
.kanban-modal-body select {
    padding: 8px 10px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    font-size: 0.95rem;
}
.kanban-modal-hint {
    font-size: 0.8rem;
    color: #6b7280;
    margin: 0;
}
.kanban-modal-footer {
    padding: 12px 16px;
    border-top: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.kanban-modal-footer > div { display: flex; gap: 8px; }
.kanban-modal-footer button {
    padding: 7px 14px;
    border-radius: 6px;
    border: 1px solid #d0d7de;
    background: #fff;
    cursor: pointer;
    font-weight: 600;
}
.kanban-modal-save {
    background: #2563eb !important;
    color: #fff;
    border-color: #2563eb !important;
}
.kanban-modal-save:hover { background: #1d4ed8 !important; }
.kanban-modal-delete {
    background: #fff;
    color: #b91c1c;
    border-color: #fecaca !important;
}
.kanban-modal-delete:hover { background: #fef2f2; }

/* ----- View toggle (Calendario / Tablero) ----- */
.calendar-view-toggle {
    display: inline-flex;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 12px;
}
.calendar-view-toggle button {
    padding: 8px 14px;
    background: #fff;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: #374151;
}
.calendar-view-toggle button.active {
    background: #2563eb;
    color: #fff;
}

/* ----- Responsive ----- */
@media (max-width: 640px) {
    .kanban-column { flex: 0 0 86vw; max-height: calc(100vh - 280px); }
    .kanban-hint { display: none; }
}