/**
 * Drivespace — 3-column file manager layout
 * Left: folder tree | Middle: contents | Right: properties/permissions
 */

/* ── Layout ─────────────────────────────────────────────────── */

.drivespace {
    display: grid;
    grid-template-columns: 240px 1fr 300px;
    height: calc(100vh - 52px);
    /* subtract admin header */
    overflow: hidden;
    background: var(--color-bg-light, #f2f5f3);
}

/* ── Tree Panel (left) ───────────────────────────────────────── */

/* .fm-tree-panel — see source panes section below */

.fm-tree-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0.9rem 0.6rem;
    border-bottom: 1px solid var(--color-border, #ccd9d3);
    flex-shrink: 0;
}

.fm-tree-header h3 {
    margin: 0;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text, #0c1614);
    opacity: 0.6;
}

.fm-tree-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0.4rem 0;
}

/* Root — "All Files" link */
.fm-tree-root {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.38rem 0.9rem;
    font-size: 0.85rem;
    color: var(--color-text, #0c1614);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: background 0.12s, border-color 0.12s;
}

.fm-tree-root:hover {
    background: var(--color-bg-light, #f2f5f3);
    text-decoration: none;
}

.fm-tree-root.active {
    border-left-color: var(--color-primary, #1d9e75);
    background: #eaf6f1;
    font-weight: 600;
}

/* Tree node row */
.fm-tree-node {
    position: relative;
}

.fm-tree-row {
    display: flex;
    align-items: center;
    padding: 0.32rem 0.9rem 0.32rem 0;
    font-size: 0.84rem;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: background 0.1s, border-color 0.1s;
    user-select: none;
    color: var(--color-text, #0c1614);
    text-decoration: none;
}

.fm-tree-row:hover {
    background: var(--color-bg-light, #f2f5f3);
    text-decoration: none;
}

.fm-tree-row.active {
    border-left-color: var(--color-primary, #1d9e75);
    background: #eaf6f1;
    font-weight: 600;
}

.fm-tree-caret {
    width: 20px;
    text-align: center;
    font-size: 0.65rem;
    color: #aaa;
    flex-shrink: 0;
    transition: transform 0.15s;
    cursor: pointer;
}

.fm-tree-caret.open {
    transform: rotate(90deg);
}

.fm-tree-caret.leaf {
    visibility: hidden;
}

.fm-tree-icon {
    flex-shrink: 0;
    margin-right: 0.35rem;
    font-size: 0.95rem;
}

.fm-tree-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fm-tree-count {
    font-size: 0.72rem;
    color: #aaa;
    margin-right: 0.5rem;
    flex-shrink: 0;
}

/* Nested children */
.fm-tree-children {
    display: none;
}

.fm-tree-children.open {
    display: block;
}

/* ── Content Panel (middle) ──────────────────────────────────── */

/* .fm-content-panel — see content source sections below */

.fm-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1rem;
    background: #fff;
    border-bottom: 1px solid var(--color-border, #ccd9d3);
    flex-shrink: 0;
    flex-wrap: wrap;
}

.fm-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    flex: 1;
    min-width: 0;
}

.fm-breadcrumb a {
    color: var(--color-primary, #1d9e75);
    text-decoration: none;
}

.fm-breadcrumb a:hover {
    text-decoration: underline;
}

.fm-breadcrumb-sep {
    color: #aaa;
    font-size: 0.9rem;
}

.fm-breadcrumb-current {
    font-weight: 600;
    color: var(--color-text, #0c1614);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fm-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Search bar */
.fm-search-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: #fff;
    border-bottom: 1px solid var(--color-border, #ccd9d3);
    flex-shrink: 0;
}

.fm-search-input {
    flex: 1;
    padding: 0.3rem 0.6rem;
    font-size: 0.83rem;
    border: 1px solid var(--color-border, #ccd9d3);
    border-radius: 4px;
    background: var(--color-bg-light, #f2f5f3);
}

.fm-search-input:focus {
    outline: none;
    border-color: var(--color-primary, #1d9e75);
    background: #fff;
}

/* Contents scroll area */
.fm-contents-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 1rem;
}

.fm-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: #888;
    margin: 0 0 0.4rem;
}

/* Contents table — shared by folders and files rows */
.fm-items-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}

.fm-items-table th {
    text-align: left;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #888;
    padding: 0.3rem 0.5rem;
    border-bottom: 1px solid var(--color-border, #ccd9d3);
}

.fm-items-table td {
    padding: 0.42rem 0.5rem;
    border-bottom: 1px solid #eef1ef;
    vertical-align: middle;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.fm-items-table tr {
    cursor: pointer;
    transition: background 0.08s;
}

.fm-items-table tr:hover td {
    background: #f4faf7;
}

.fm-items-table tr.selected td {
    background: #d6f0e5;
}

.fm-items-table tr:last-child td {
    border-bottom: none;
}

.fm-col-icon {
    width: 28px;
    text-align: center;
    font-size: 1rem;
    padding-left: 0 !important;
}

.fm-col-name {
    max-width: none !important;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fm-col-name strong {
    font-weight: 600;
}

.fm-col-name small {
    display: block;
    font-size: 0.75rem;
    color: #999;
    font-weight: 400;
}

.fm-col-meta {
    color: #888;
    font-size: 0.8rem;
}

.fm-col-vis .badge {
    font-size: 0.68rem;
}

/* Empty state */
.fm-empty {
    padding: 3rem 1rem;
    text-align: center;
    color: #999;
}

.fm-empty p {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* ── Properties Panel (right) ────────────────────────────────── */

.fm-properties-panel {
    display: flex;
    flex-direction: column;
    background: #fff;
    overflow: hidden;
}

.fm-props-header {
    padding: 0.75rem 1rem 0.6rem;
    border-bottom: 1px solid var(--color-border, #ccd9d3);
    flex-shrink: 0;
}

.fm-props-header h3 {
    margin: 0;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text, #0c1614);
    opacity: 0.6;
}

.fm-props-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

/* Placeholder */
.fm-props-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #ccc;
    font-size: 0.85rem;
    text-align: center;
    gap: 0.5rem;
    padding: 2rem;
}

.fm-props-placeholder-icon {
    font-size: 2.5rem;
    opacity: 0.4;
}

/* Properties content when item selected */
.fm-props-icon {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 0.75rem;
}

.fm-props-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text, #0c1614);
    word-break: break-word;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.fm-props-subtitle {
    font-size: 0.78rem;
    color: #888;
    margin-bottom: 1rem;
}

.fm-props-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.fm-props-actions .btn {
    flex: 1;
    min-width: 0;
    text-align: center;
    font-size: 0.8rem;
    padding: 0.3rem 0.5rem;
}

/* Meta table */
.fm-props-meta {
    width: 100%;
    font-size: 0.82rem;
    border-collapse: collapse;
    margin-bottom: 1.25rem;
}

.fm-props-meta th {
    text-align: left;
    color: #888;
    font-weight: 600;
    padding: 0.28rem 0.5rem 0.28rem 0;
    width: 40%;
    vertical-align: top;
}

.fm-props-meta td {
    color: var(--color-text, #0c1614);
    padding: 0.28rem 0;
    word-break: break-word;
}

/* Section heading inside props */
.fm-props-section-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: #aaa;
    margin: 0 0 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border, #ccd9d3);
}

/* Shares list */
.fm-shares-list {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.fm-shares-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.3rem 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.82rem;
}

.fm-shares-list li:last-child {
    border-bottom: none;
}

.fm-share-target {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fm-share-perm {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-primary, #1d9e75);
    flex-shrink: 0;
}

/* Loading state */
.fm-props-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: #aaa;
    font-size: 0.85rem;
}

/* Badge variants matching visibility values */
.badge-private {
    background: #e0e0e0;
    color: #555;
}

.badge-role {
    background: #fff3cd;
    color: #856404;
}

.badge-members {
    background: #cce5ff;
    color: #004085;
}

.badge-public {
    background: #d4edda;
    color: #155724;
}

/* Status badges */
.badge-status-draft {
    background: #e9ecef;
    color: #495057;
}

.badge-status-pending_review {
    background: #fff3cd;
    color: #856404;
}

.badge-status-approved {
    background: #cce5ff;
    color: #004085;
}

.badge-status-published {
    background: #d4edda;
    color: #155724;
}

.badge-status-archived {
    background: #e0e0e0;
    color: #555;
}

/* Badge base */
.badge {
    display: inline-block;
    padding: 0.18em 0.55em;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
}

.badge-xs {
    font-size: 0.68rem;
    padding: 0.12em 0.4em;
}

/* Modals (re-used from admin-base pattern) */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: #fff;
    border-radius: 6px;
    padding: 1.5rem;
    min-width: 360px;
    max-width: 520px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 8px 40px rgba(0, 0, 0, .25);
}

.modal-content h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
}

/* Quota bar in tree footer */
.fm-quota-bar-wrap {
    padding: 0.6rem 0.9rem 0.75rem;
    border-top: 1px solid var(--color-border, #ccd9d3);
    flex-shrink: 0;
}

.fm-quota-label {
    font-size: 0.72rem;
    color: #888;
    margin-bottom: 0.3rem;
    display: flex;
    justify-content: space-between;
}

.fm-quota-bar {
    height: 5px;
    background: var(--color-bg-dark, #e5ede8);
    border-radius: 3px;
    overflow: hidden;
}

.fm-quota-fill {
    height: 100%;
    background: var(--color-primary, #1d9e75);
    border-radius: 3px;
    transition: width 0.3s;
}

.fm-quota-fill.warn {
    background: #f0a500;
}

.fm-quota-fill.danger {
    background: #dc3545;
}

/* ── Source divider in tree panel (legacy) ──────────────────── */
.fm-tree-section-divider {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: #aaa;
    padding: 0.9rem 0.9rem 0.3rem;
}

/* ── Source panes (left panel) ───────────────────────────────── */

.fm-tree-panel {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-right: 1px solid var(--color-border, #ccd9d3);
    overflow: hidden;
}

/* Each source pane fills available space; collapses to header height */
.fm-source-pane {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 0;
    overflow: hidden;
}

.fm-source-pane.collapsed {
    flex: 0 0 auto;
}

.fm-source-pane-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.7rem;
    background: #f8faf9;
    border-bottom: 1px solid var(--color-border, #ccd9d3);
    border-top: 1px solid var(--color-border, #ccd9d3);
    flex-shrink: 0;
    cursor: pointer;
    user-select: none;
    transition: background 0.1s;
}

.fm-source-pane-header:hover {
    background: #eef4f1;
}

.fm-source-pane-caret {
    font-size: 0.65rem;
    color: #aaa;
    flex-shrink: 0;
    transition: transform 0.15s;
    width: 12px;
    display: inline-block;
}

.fm-source-pane-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text, #0c1614);
    opacity: 0.75;
}

/* Body of source pane — scroll internally */
.fm-source-pane-body {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 0;
    overflow: hidden;
}

.fm-source-pane-body .fm-tree-scroll {
    flex: 1;
    overflow-y: auto;
}

/* ── Drag handles ────────────────────────────────────────────── */

.fm-source-drag-handle,
.fm-content-drag-handle {
    flex-shrink: 0;
    background: var(--color-border, #ccd9d3);
    cursor: row-resize;
    transition: background 0.1s;
}

.fm-source-drag-handle {
    height: 4px;
}

.fm-content-drag-handle {
    height: 4px;
}

.fm-source-drag-handle:hover,
.fm-content-drag-handle:hover {
    background: var(--color-primary, #1d9e75);
}

/* ── Content source sections (center panel) ──────────────────── */

.fm-content-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid var(--color-border, #ccd9d3);
}

.fm-content-source {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 0;
    overflow: hidden;
}

.fm-content-source.collapsed {
    flex: 0 0 auto;
}

.fm-content-source-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.75rem;
    background: #f8faf9;
    border-bottom: 1px solid var(--color-border, #ccd9d3);
    flex-shrink: 0;
    cursor: pointer;
    user-select: none;
    transition: background 0.1s;
}

.fm-content-source-header:hover {
    background: #eef4f1;
}

.fm-content-source-body {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 0;
    overflow: hidden;
}

.fm-content-source-body .fm-contents-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 1rem;
}

.fm-content-source-body .fm-search-bar {
    flex-shrink: 0;
}