/* ========================================================================== */
/* NAS FOLDER PICKER - Selector visual de carpetas del NAS                   */
/* ========================================================================== */

.nas-fp-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20000;
    animation: fadeIn 0.2s ease-out;
}

.nas-fp-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    max-width: 520px;
    width: 94%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease-out;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

/* Header */
.nas-fp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--border-color);
}

.nas-fp-title {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.nas-fp-close {
    background: none;
    border: none;
    color: var(--text-primary);
    opacity: 0.5;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.nas-fp-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.08);
}

/* Breadcrumb */
.nas-fp-breadcrumb {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 10px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    white-space: nowrap;
    flex-shrink: 0;
}

.nas-fp-breadcrumb-item {
    background: none;
    border: none;
    color: #F07400;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    padding: 3px 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.nas-fp-breadcrumb-item:hover {
    background: rgba(240, 116, 0, 0.1);
}

.nas-fp-breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
    cursor: default;
}

.nas-fp-breadcrumb-item.active:hover {
    background: none;
}

.nas-fp-breadcrumb-separator {
    color: var(--text-primary);
    opacity: 0.35;
    font-size: 13px;
    user-select: none;
}

/* Contenido */
.nas-fp-content {
    flex: 1;
    overflow-y: auto;
    padding: 6px 0;
    min-height: 200px;
    max-height: 400px;
}

/* Carpeta item */
.nas-fp-folder-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.12s ease;
    border-left: 3px solid transparent;
}

.nas-fp-folder-item:hover {
    background: rgba(240, 116, 0, 0.08);
    border-left-color: #F07400;
}

.nas-fp-folder-item svg {
    color: #F07400;
    flex-shrink: 0;
}

.nas-fp-folder-item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Folder up (..) */
.nas-fp-folder-up {
    opacity: 0.7;
    font-style: italic;
}

.nas-fp-folder-up:hover {
    opacity: 1;
}

.nas-fp-folder-up svg {
    color: var(--text-primary);
}

/* Loading */
.nas-fp-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 20px;
    color: var(--text-primary);
    opacity: 0.7;
    font-size: 14px;
}

.nas-fp-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: #F07400;
    border-radius: 50%;
    animation: nas-fp-spin 0.8s linear infinite;
}

@keyframes nas-fp-spin {
    to { transform: rotate(360deg); }
}

/* Error */
.nas-fp-error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    margin: 10px 16px;
    border-radius: 8px;
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    font-size: 13px;
}

/* Empty */
.nas-fp-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-primary);
    opacity: 0.5;
    font-size: 14px;
}

.nas-fp-empty p {
    margin: 0;
}

/* Footer */
.nas-fp-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nas-fp-selected-path {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-primary);
    opacity: 0.6;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nas-fp-selected-path svg {
    flex-shrink: 0;
}

.nas-fp-buttons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.nas-fp-btn {
    padding: 9px 22px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nas-fp-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.nas-fp-btn:active {
    transform: translateY(0);
}

.nas-fp-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nas-fp-btn-confirm {
    background-color: #F07400;
    color: white;
}

.nas-fp-btn-confirm:hover:not(:disabled) {
    background-color: #d46800;
}

.nas-fp-btn-cancel {
    background-color: #6c757d;
    color: white;
}

.nas-fp-btn-cancel:hover {
    background-color: #5c636a;
}

/* Scrollbar */
.nas-fp-content::-webkit-scrollbar {
    width: 6px;
}

.nas-fp-content::-webkit-scrollbar-track {
    background: transparent;
}

.nas-fp-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.nas-fp-content::-webkit-scrollbar-thumb:hover {
    background: rgba(240, 116, 0, 0.5);
}

/* Responsive */
@media (max-width: 600px) {
    .nas-fp-container {
        width: 98%;
        max-height: 90vh;
        border-radius: 8px;
    }

    .nas-fp-folder-item {
        padding: 12px 16px;
    }

    .nas-fp-breadcrumb {
        padding: 8px 16px;
    }
}