/* Files: flat Explorer shell, semantic tokens throughout. Windows-Explorer layout:
   address bar → command bar → tree | contents → status bar. */
#file_manager-panel { min-width: 0; font-family: var(--t-font-family); }
#file_manager-panel .mod-nav-title { display: none !important; }
.mod-page.fx-page { height: calc(100dvh - 5rem) !important; min-height: 28rem !important; display: flex; flex-direction: column; max-width: none; padding: 0; color: var(--s-text-primary); background: var(--s-bg-page); font-size: var(--t-font-size-sm); outline: none; }
.fx-page * { box-sizing: border-box; }
.fx-page [hidden] { display: none !important; }
.fx-page .material-icons { font-size: var(--t-font-size-lg); line-height: 1; }

/* Address bar */
.fx-address, .fx-toolbar, .fx-footer { display: flex; align-items: center; gap: var(--sp-2); padding: var(--sp-2) var(--sp-4); border-bottom: 1px solid var(--s-border); flex-shrink: 0; }
.fx-address { padding-block: var(--sp-3); }
.fx-address > .mod-btn { flex-shrink: 0; }
.fx-address .fx-cmd .fx-label { display: none; }
.fx-crumbwrap { flex: 1; min-width: 6rem; display: flex; align-items: center; min-height: 2.25rem; padding: 0 var(--sp-2); border: 1px solid var(--s-border); border-radius: var(--radius-sm); background: var(--s-bg-surface); cursor: text; overflow: hidden; }
.fx-crumbwrap-trash { cursor: default; }
.fx-crumbwrap:focus-within { border-color: var(--s-accent); }
#fx-breadcrumbs { flex: 1; display: flex; align-items: center; overflow: auto; scrollbar-width: none; gap: 0; }
#fx-breadcrumbs::-webkit-scrollbar { display: none; }
.fx-crumb { white-space: nowrap; padding: var(--sp-1) var(--sp-2); border-radius: var(--radius-sm); color: var(--s-text-primary); min-height: 1.75rem; }
.fx-crumb-sep { display: inline-flex; color: var(--s-text-tertiary); }
.fx-crumb-sep .material-icons { font-size: var(--t-font-size-base); }
.fx-crumb-static { display: inline-flex; align-items: center; gap: var(--sp-1); color: var(--s-text-primary); padding: var(--sp-1) var(--sp-2); }
.fx-path { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--s-text-primary); font: inherit; padding: var(--sp-1); outline: none; }
#fx-search { max-width: 16rem; min-width: 8rem; min-height: 2.25rem; padding: var(--sp-1) var(--sp-2); color: var(--s-text-primary); background: var(--s-bg-surface); border: 1px solid var(--s-border); border-radius: var(--radius-sm); font: inherit; }
#fx-search:focus { outline: none; border-color: var(--s-accent); }

/* Command bar */
.fx-toolbar { flex-wrap: wrap; row-gap: var(--sp-1); padding-block: var(--sp-1); }
.fx-cmd { min-height: 2.25rem; gap: var(--sp-1-5); padding: var(--sp-1) var(--sp-2); border-radius: var(--radius-sm); color: var(--s-text-primary); white-space: nowrap; }
.fx-cmd .material-icons { color: var(--s-text-secondary); }
.fx-cmd:disabled { opacity: .45; cursor: default; }
.fx-cmd[aria-expanded="true"] { background: var(--s-bg-hover); }
.fx-cmd .material-icons:last-child:not(:first-child) { margin-left: calc(var(--sp-1) * -1); margin-right: calc(var(--sp-1) * -1); }
.fx-sep { width: 1px; height: 1.5rem; background: var(--s-border); margin: 0 var(--sp-1); }
.fx-spacer { flex: 1; }

/* Layout */
.fx-layout { flex: 1; min-height: 0; display: grid; grid-template-columns: 17rem minmax(0,1fr); position: relative; }
#fx-sidebar { overflow: auto; border-right: 1px solid var(--s-border); padding: var(--sp-2) 0 var(--sp-4); background: var(--s-bg-page); }
.fx-side-label { color: var(--c-heading-color); font-weight: var(--t-font-weight-medium); padding: var(--sp-3) var(--sp-3) var(--sp-1); font-size: var(--t-font-size-xs); }
.fx-tree-row { display: flex; align-items: center; padding-left: calc(var(--sp-1) + var(--depth,0) * 1rem); min-height: 0; border-left: 2px solid transparent; }
.fx-tree-row:hover { background: var(--s-bg-hover); }
.fx-tree-row.active { background: var(--s-active-wash); border-left-color: var(--s-accent); }
.fx-tree-row .fx-toggle { padding: 0; width: 1.4rem; min-width: 1.4rem; min-height: 1.4rem; color: var(--s-text-tertiary); border-radius: var(--radius-sm); flex-shrink: 0; }
.fx-tree-row .fx-toggle-empty { visibility: hidden; }
.fx-tree-row .fx-folder { display: flex; align-items: center; gap: var(--sp-1-5); padding: 2px var(--sp-1); min-height: 0; height: auto; flex: 1; min-width: 0; border: 0; text-align: left; border-radius: 0; color: var(--s-text-primary); justify-content: flex-start; }
.fx-tree-row .fx-folder:hover:not(:disabled) { background: transparent; }
.fx-tree-row .fx-folder .material-icons { color: var(--s-text-secondary); flex-shrink: 0; }
.fx-tree-row.active .fx-folder .material-icons { color: var(--s-accent); }
.fx-folder span:last-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fx-trash-location { margin-top: var(--sp-3); border-top: 1px solid var(--s-border); padding-top: var(--sp-2); }

/* Contents */
.fx-content { overflow: auto; min-width: 0; position: relative; outline: none; }
#fx-list { min-height: 100%; outline: none; }
.fx-columns, .fx-entry { display: grid; grid-template-columns: 1.4rem minmax(10rem,1fr) 11rem 9rem 6rem; align-items: center; gap: var(--sp-2); padding: 2px var(--sp-3); }
.fx-columns .fx-name .material-icons { font-size: var(--t-font-size-lg); }
.fx-columns { position: sticky; top: 0; z-index: 2; background: var(--s-bg-page); border-bottom: 1px solid var(--s-border); padding-block: var(--sp-1); min-height: 2rem; }
.fx-columns button { padding: 2px 0; min-height: 0; height: auto; text-align: left; justify-content: flex-start; font-weight: var(--t-font-weight-medium); color: var(--s-text-secondary); font-size: var(--t-font-size-xs); border-radius: 0; gap: 0; }
.fx-columns button .material-icons { font-size: var(--t-font-size-base); }
.fx-columns button:hover:not(:disabled) { background: transparent; color: var(--s-text-primary); }
.fx-entry { border-bottom: 1px solid var(--s-border); border-left: 2px solid transparent; min-height: 1.9rem; line-height: 1.25; cursor: default; user-select: none; -webkit-user-select: none; outline: none; }
.fx-entry:hover { background: var(--s-bg-hover); }
.fx-entry.selected { background: var(--s-active-wash); border-left-color: var(--s-accent); }
.fx-entry:focus-visible, .fx-page button:focus-visible, .fx-page input:focus-visible { outline: 2px solid var(--s-accent); outline-offset: -2px; }
.fx-entry.cut { opacity: .5; }
.fx-check { margin: 0; opacity: 0; transition: opacity .1s; width: 1rem; height: 1rem; }
.fx-entry:hover .fx-check, .fx-entry.selected .fx-check, .fx-entry:focus-within .fx-check, .fx-check:checked { opacity: 1; }
.fx-name { display: flex; align-items: center; gap: var(--sp-2); min-width: 0; }
.fx-name-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fx-name .material-icons { color: var(--s-text-secondary); font-size: 3.2rem; flex-shrink: 0; transition: transform .15s ease; }
.fx-entry[data-drop] .fx-name .material-icons { color: var(--s-status-warning, var(--s-text-secondary)); }
.fx-tree-row .fx-folder .material-icons { font-size: 3.2rem; }
.fx-rename { font: inherit; min-width: 6rem; width: 100%; padding: 2px var(--sp-1); color: var(--s-text-primary); background: var(--s-bg-surface); border: 1px solid var(--s-accent); border-radius: var(--radius-sm); outline: none; }
.fx-modified, .fx-size, .fx-type, .fx-original { color: var(--s-text-secondary); font-size: var(--t-font-size-xs); font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fx-size { text-align: right; }
.fx-columns [data-sort="size"] { justify-content: flex-end; }
.fx-empty { padding: var(--sp-8); text-align: center; color: var(--s-text-secondary); line-height: 1.6; display: flex; flex-direction: column; align-items: center; gap: var(--sp-1); }
.fx-empty .material-icons { font-size: 3rem; color: var(--s-text-tertiary); margin-bottom: var(--sp-2); }
.fx-empty small { color: var(--s-text-tertiary); }
.fx-empty b { font-weight: var(--t-font-weight-medium); color: var(--s-text-secondary); }
.fx-marquee { position: absolute; z-index: 3; pointer-events: none; border: 1px solid var(--s-accent); background: color-mix(in srgb, var(--s-accent) 12%, transparent); }
/* Drag layer: a live card follows the pointer; on drop it flies into the folder. */
.fx-draglayer { position: fixed; top: 0; left: 0; z-index: 1300; pointer-events: none; will-change: transform; transform-origin: 0 0; }
.fx-draglayer-drop { transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .3s ease; opacity: .15; }
.fx-draglayer-fade:not(.fx-draglayer-drop) { transition: opacity .15s ease, transform .15s ease; opacity: 0; }
.fx-dragcard { position: relative; display: inline-flex; align-items: center; gap: var(--sp-2); max-width: 16rem; padding: var(--sp-1-5) var(--sp-3); background: var(--s-bg-surface-raised, var(--s-bg-surface)); color: var(--s-text-primary); border: 1px solid var(--s-accent); border-radius: var(--radius-md); font-size: var(--t-font-size-sm); white-space: nowrap; transform: rotate(-2deg); animation: fx-lift .12s ease-out; }
.fx-dragcard .material-icons { font-size: 2rem; color: var(--s-text-secondary); }
.fx-dragcard-name { overflow: hidden; text-overflow: ellipsis; }
.fx-dragcard-stack::before, .fx-dragcard-stack::after { content: ''; position: absolute; inset: 0; border: 1px solid var(--s-border); border-radius: var(--radius-md); background: var(--s-bg-surface); z-index: -1; }
.fx-dragcard-stack::before { transform: translate(4px,4px); }
.fx-dragcard-stack::after { transform: translate(8px,8px); opacity: .6; }
.fx-dragcard-count { min-width: 1.4rem; padding: 0 .35rem; text-align: center; border-radius: var(--radius-full); background: var(--s-accent); color: var(--p-white); font-size: var(--t-font-size-xs); line-height: 1.4rem; font-weight: var(--t-font-weight-medium); }
@keyframes fx-lift { from { transform: rotate(0) scale(.9); opacity: .6; } to { transform: rotate(-2deg) scale(1); opacity: 1; } }
.fx-drag-src { opacity: .45; }
.fx-leaving { transition: opacity .25s ease, transform .25s ease; opacity: 0 !important; transform: translateX(12px); pointer-events: none; }
.fx-grid .fx-leaving { transform: scale(.8); }
.fx-drop .fx-name .material-icons, .fx-drop.fx-folder .material-icons { transform: scale(1.2); }
.fx-drop-pop { animation: fx-pop .45s cubic-bezier(.34,1.56,.64,1); }
@keyframes fx-pop { 0% { transform: scale(1); } 40% { transform: scale(1.45); } 100% { transform: scale(1); } }
.fx-drop { outline: 2px solid var(--s-accent); outline-offset: -2px; background: color-mix(in srgb, var(--s-accent) 10%, transparent); }
.fx-tree-row:has(.fx-drop) { background: color-mix(in srgb, var(--s-accent) 10%, transparent); }
@media (prefers-reduced-motion: reduce) { .fx-draglayer-drop, .fx-leaving, .fx-dragcard, .fx-name .material-icons { transition: none; animation: none; } .fx-drop-pop { animation: none; } }

/* Grid view */
.fx-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(10.5rem,1fr)); gap: var(--sp-1); padding: var(--sp-2); align-content: start; }
.fx-grid .fx-entry { display: flex; flex-direction: column; position: relative; align-items: center; justify-content: flex-start; text-align: center; gap: 0; padding: var(--sp-2) var(--sp-1) var(--sp-1-5); min-height: 0; border: 1px solid transparent; border-radius: var(--radius-sm); border-left-width: 1px; }
.fx-grid .fx-entry.selected { border-color: var(--s-accent); }
.fx-grid .fx-name { flex-direction: column; max-width: 100%; gap: 2px; }
.fx-grid .fx-name-text { max-width: 100%; white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow-wrap: anywhere; line-height: 1.25; }
.fx-grid .fx-name .material-icons { font-size: 8rem; }
.fx-grid .fx-check { position: absolute; top: var(--sp-1); left: var(--sp-1); }
.fx-grid .fx-modified, .fx-grid .fx-type, .fx-grid .fx-original, .fx-grid .fx-size { display: none; }
.fx-grid .fx-empty { grid-column: 1 / -1; }

/* Footer / status */
.fx-footer { border-top: 1px solid var(--s-border); border-bottom: 0; justify-content: space-between; color: var(--s-text-secondary); font-size: var(--t-font-size-xs); gap: var(--sp-3); min-height: 2.5rem; }
.fx-footer-right { display: flex; align-items: center; gap: var(--sp-2); min-width: 0; }
#fx-status { overflow-wrap: anywhere; }
#fx-status.fx-error { color: var(--s-status-error); }
#fx-undo { min-height: 1.75rem; padding: 2px var(--sp-2); font-size: var(--t-font-size-xs); white-space: nowrap; }

/* Menus (context + toolbar dropdowns) */
.fx-menu { position: fixed; z-index: 1200; display: flex; flex-direction: column; background: var(--s-bg-surface-raised, var(--s-bg-surface)); color: var(--s-text-primary); border: 1px solid var(--s-border); border-radius: var(--radius-md); min-width: 13rem; max-width: 20rem; padding: var(--sp-1); box-shadow: none; }
.fx-mi { display: grid; grid-template-columns: 1.5rem 1fr auto; align-items: center; gap: var(--sp-2); width: 100%; padding: var(--sp-1-5) var(--sp-2); border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--s-text-primary); font: inherit; text-align: left; cursor: default; min-height: 2.1rem; }
.fx-mi:hover:not(:disabled), .fx-mi:focus-visible { background: var(--s-bg-hover); outline: none; }
.fx-mi:disabled { opacity: .45; }
.fx-mi-icon { display: inline-flex; justify-content: center; color: var(--s-text-secondary); }
.fx-mi-icon .material-icons { font-size: var(--t-font-size-base); }
.fx-mi-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fx-mi-key { color: var(--s-text-tertiary); font-size: var(--t-font-size-xs); padding-left: var(--sp-3); }
.fx-mi-sep { height: 1px; background: var(--s-border); margin: var(--sp-1) var(--sp-2); }

/* Dialogs */
.fx-dialog { max-width: min(42rem,94vw); width: 36rem; max-height: 88dvh; overflow: auto; color: var(--s-text-primary); background: var(--s-bg-surface); border: 1px solid var(--s-border); border-radius: var(--radius-md); padding: var(--sp-5); box-shadow: none; }
.fx-dialog.fx-dialog-wide { width: min(70rem,94vw); max-width: 94vw; }
.fx-dialog::backdrop { background: color-mix(in srgb, var(--s-text-primary) 25%, transparent); }
.fx-dialog h2 { font-size: var(--t-font-size-lg); font-weight: var(--t-font-weight-medium); color: var(--c-heading-color); margin: 0 0 var(--sp-4); overflow-wrap: anywhere; }
.fx-dialog h3 { font-size: var(--t-font-size-sm); font-weight: var(--t-font-weight-medium); color: var(--c-heading-color); margin: var(--sp-4) 0 var(--sp-2); }
.fx-dialog p { margin: 0 0 var(--sp-3); }
.fx-dialog label, .fx-dialog input { display: block; width: 100%; }
.fx-dialog input { margin-top: var(--sp-2); padding: var(--sp-2); background: var(--s-bg-page); color: var(--s-text-primary); border: 1px solid var(--s-border); border-radius: var(--radius-sm); font: inherit; }
.fx-dialog-actions { display: flex; gap: var(--sp-2); justify-content: flex-end; margin-top: var(--sp-4); flex-wrap: wrap; }
.fx-dialog dl { display: grid; grid-template-columns: 6.5rem 1fr; gap: var(--sp-2); margin: 0; }
.fx-dialog dt { color: var(--s-text-secondary); }
.fx-dialog dd { margin: 0; overflow-wrap: anywhere; }
.fx-dialog pre { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 55dvh; overflow: auto; margin: 0; padding: var(--sp-3); background: var(--s-bg-page); border: 1px solid var(--s-border); border-radius: var(--radius-sm); font-size: var(--t-font-size-xs); }
.fx-dialog li { overflow-wrap: anywhere; }
.fx-conflict-list { margin: 0 0 var(--sp-2); padding-left: var(--sp-5); max-height: 12rem; overflow: auto; color: var(--s-text-secondary); }
.fx-activity { margin: 0; padding-left: var(--sp-5); color: var(--s-text-secondary); }
.fx-activity span { color: var(--s-text-tertiary); font-variant-numeric: tabular-nums; }
.fx-muted { color: var(--s-text-secondary); font-size: var(--t-font-size-xs); }
.fx-preview-img { display: block; max-width: 100%; max-height: 65dvh; margin: 0 auto var(--sp-3); object-fit: contain; }
.fx-preview-frame { display: block; width: 100%; height: 70dvh; border: 1px solid var(--s-border); background: var(--s-bg-page); margin-bottom: var(--sp-3); }

/* Responsive */
@media (hover: none) { .fx-check { opacity: 1; } }
.fx-address [data-action="locations"] { display: none; }
@media (max-width: 1100px) { .fx-toolbar .fx-cmd .fx-label { display: none; } .fx-toolbar .fx-cmd { padding-inline: var(--sp-1-5); } }
@media (max-width: 1000px) { .fx-layout { grid-template-columns: 14rem minmax(0,1fr); } .fx-columns, .fx-entry { grid-template-columns: 1.5rem minmax(8rem,1fr) 9rem 5rem; } .fx-type, .fx-original, .fx-columns [data-sort="type"], .fx-columns [data-sort="original"] { display: none; } }
@media (max-width: 760px) {
 .mod-page.fx-page { height: calc(100dvh - 8rem) !important; min-height: 24rem !important; }
 .fx-layout { grid-template-columns: minmax(0,1fr); }
 #fx-sidebar { display: none; position: absolute; inset: 0 auto 0 0; width: min(18rem,90%); z-index: 3; background: var(--s-bg-surface); border-right: 1px solid var(--s-border); }
 #fx-sidebar.open { display: block; }
 .fx-address { flex-wrap: wrap; }
 .fx-address [data-action="locations"] { display: inline-flex; }
 #fx-search { flex-basis: 100%; max-width: none; width: 100%; }
 .fx-check { opacity: 1; }
 .fx-columns, .fx-entry { padding: var(--sp-1) var(--sp-2); grid-template-columns: 1.3rem minmax(5rem,1fr) 4.5rem; }
 .fx-entry { min-height: 2.5rem; }
 .fx-modified, .fx-columns [data-sort="modified"], .fx-columns [data-sort="deleted"] { display: none; }
 .fx-footer { align-items: flex-start; flex-direction: column; gap: var(--sp-1); }
 .fx-toolbar { gap: 2px; }
 #file_manager-panel :is(.fx-cmd, .mod-btn) { min-height: 44px !important; min-width: 44px; }
 #file_manager-panel .fx-tree-row .fx-folder { min-height: 44px; }
 .fx-tree-row { padding-left: calc(var(--sp-1) + var(--depth,0) * .75rem); }
 #file_manager-panel :is(#fx-search, #fx-path) { min-height: 44px; }
 .fx-mi { min-height: 44px; }
 .fx-dialog { padding: var(--sp-4); }
}