/* Screen-level layout: welcome screen and the main browsing shell. */

#screen-root {
  flex: 1;
  min-height: 0;
  position: relative;
}

.screen {
  position: absolute;
  inset: 0;
  opacity: 0;
  animation: screen-in 0.2s var(--ease-out) forwards;
}
@keyframes screen-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ================= Welcome screen ================= */
.welcome {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 11vh;
  text-align: center;
  overflow-y: auto;
  /* soft ember glow behind the hero so the screen isn't a flat void */
  background:
    radial-gradient(560px 300px at 50% -60px, var(--accent-soft), transparent 70%),
    var(--bg-base);
}
.welcome-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.welcome-logo {
  width: 76px;
  height: 76px;
  border-radius: 20px;
  background: linear-gradient(145deg, var(--accent-hover), var(--accent-dim));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-accent);
  box-shadow:
    0 12px 36px color-mix(in srgb, var(--accent) 28%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.welcome-title {
  margin-top: 16px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.welcome-subtitle {
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--text-hint);
}
.welcome-actions {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.welcome-cta {
  height: 32px;
  padding: 0 14px;
}
.welcome-actions .kbd {
  margin-left: 4px;
}
.welcome-status {
  margin-top: 14px;
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.welcome-columns {
  margin-top: 24px;
  width: min(720px, 90vw);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 48px;
}
.welcome-card {
  flex: 1 1 300px;
  min-width: 280px;
  max-width: 352px;
  background: color-mix(in srgb, var(--bg-panel) 72%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 12px 8px 8px;
  text-align: left;
}
.welcome-card-title {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-hint);
}
.recent-row {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.1s var(--ease-out);
}
.recent-row:hover {
  background: var(--bg-row-hover);
}
/* Shared by both the welcome screen's recent-connections list (.recent-row)
   and the toolbar's history popover (.popover-row) -- unscoped so it applies
   in either parent. */
.recent-label {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.recent-time {
  flex-shrink: 0;
  margin-left: auto;
  font-size: 10.5px;
  color: var(--text-hint);
  white-space: nowrap;
}

/* ================= Main shell ================= */
.app-shell {
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* Toolbar — now floats above the body with uniform rounding */
.toolbar {
  height: var(--toolbar-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  margin: 8px 14px 0;
  background: var(--bg-toolbar);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  position: relative;
  z-index: 3;
}
.toolbar-spacer {
  flex: 1;
}

/* Body row: sidebar + main content, floating in a padded, gapless frame so
   the two panels read as one rounded pill (sidebar rounds its left corners,
   the content card rounds its right corners — see mockup "new shell
   concept"). */
.app-body {
  flex: 1;
  min-height: 0;
  display: flex;
  padding: 0 14px 14px;
  gap: 0;
  background: var(--bg-base);
}

.sidebar {
  width: var(--sidebar-w);
  min-width: 140px;
  max-width: 260px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-right: none;
  border-radius: 0 0 0 var(--radius-card);
  overflow-y: auto;
  padding: 16px 0;
  margin-top: -8px;
  position: relative;
  z-index: 1;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  margin-bottom: 18px;
  flex-shrink: 0;
}
.sidebar-logo-badge {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background: linear-gradient(145deg, var(--accent), var(--accent-dim));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-accent);
  font-weight: 800;
  font-size: 13px;
}
.sidebar-logo-text {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
}
.sidebar-section-title {
  padding: 0 16px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-hint);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.sidebar-divider {
  height: 1px;
  background: var(--separator);
  margin: 10px 8px;
  flex-shrink: 0;
}
.sidebar-spacer {
  flex: 1;
}
.sidebar-footer {
  padding: 0 16px;
  font-size: 10px;
  color: var(--text-hint);
  flex-shrink: 0;
}

.main-content {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-content);
  border-radius: 0 0 var(--radius-card) 0;
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

/* Tab bar (Local + one per connection) */
.tabbar {
  height: var(--tabbar-h);
  flex-shrink: 0;
  display: flex;
  align-items: stretch;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: 100%;
  border: none;
  border-right: 1px solid var(--border);
  background: var(--bg-tab-idle);
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color 0.1s var(--ease-out), color 0.1s var(--ease-out);
}
.tab:hover {
  background: var(--bg-row-hover);
}
.tab.active {
  background: var(--bg-tab-active);
  color: var(--text-primary);
}
.tab-close {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-hint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.7;
}
.tab-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  opacity: 1;
}

/* localPane.js/remotePane.js render straight into this element (there's no
   separate .pane wrapper -- renderActivePane() swaps the one visible pane's
   content in place rather than stacking multiple absolutely-positioned
   panes), so it has to be the flex column container itself. */
.tab-panes {
  flex: 1;
  min-height: 0;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Path bar (top of each pane) */
.path-bar {
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
}
.path-bar-label {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-dim);
  flex-shrink: 0;
}
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 2px;
  overflow: hidden;
  flex: 1;
  min-width: 0;
}
.breadcrumb-seg {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 12px;
  padding: 3px 5px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}
.breadcrumb-seg:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}
.breadcrumb-seg.current {
  color: var(--text-primary);
  font-weight: 600;
  cursor: default;
}
.breadcrumb-seg.current:hover {
  background: none;
}
.breadcrumb-sep {
  color: var(--text-hint);
  font-size: 12px;
}
.path-bar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-hint);
  font-size: 10.5px;
  flex-shrink: 0;
}

/* File table */
.file-table-wrap {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.file-table-header {
  display: grid;
  grid-template-columns: 1fr 140px 60px 80px;
  align-items: center;
  height: 26px;
  padding: 0 16px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sort-header {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 10.5px;
  font-weight: 700;
  text-align: left;
  padding: 0;
  cursor: pointer;
  height: 20px;
  justify-self: start;
}
.file-table-header .sort-header:nth-child(2),
.file-table-header .sort-header:nth-child(3),
.file-table-header .sort-header:nth-child(4) {
  justify-self: end;
  text-align: right;
}
.sort-header:hover {
  color: var(--text-primary);
}
.sort-header.active {
  color: var(--accent);
}
.file-table-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 2px 0;
}
.file-row {
  display: grid;
  grid-template-columns: 1fr 140px 60px 80px;
  align-items: center;
  height: var(--row-h);
  padding: 0 16px;
  margin: 0 8px;
  border-radius: var(--radius-sm);
  cursor: default;
  transition: background-color 0.08s var(--ease-out);
  border: 1px solid transparent;
}
.file-row:hover {
  background: var(--bg-row-hover);
}
.file-row.selected {
  background: var(--bg-row-sel);
}
.file-row.dragging {
  opacity: 0.35;
}
/* A dragged file/folder hovering a folder row (or "..") -- it'll spring
   open into that folder after HOVER_OPEN_DELAY, see makeDropTarget in
   dnd.js. */
.file-row.drag-hover {
  background: var(--accent-soft);
  outline: 1px dashed var(--accent-ring);
  outline-offset: -1px;
}
.file-row-name {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.file-row-name span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12.5px;
}
.file-row-modified {
  font-size: 10.5px;
  color: var(--text-hint);
  text-align: right;
  padding-right: 12px;
}
.file-row-type {
  font-size: 11px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-row-size {
  font-size: 11px;
  color: var(--text-dim);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Footer (below table) */
.pane-footer {
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px 0 16px;
  background: var(--bg-tab-idle);
  border-top: 1px solid var(--border);
}
.pane-footer-right {
  margin-left: auto;
  display: flex;
  align-items: center;
}


/* Queue panel */
.queue-panel {
  flex-shrink: 0;
  background: var(--bg-queue);
  border-top: 1px solid var(--border);
  overflow: hidden;
  height: var(--queue-collapsed-h);
  transition: height 0.18s var(--ease-out);
}
.queue-panel.expanded {
  height: var(--queue-expanded-h);
}
.queue-header {
  height: var(--queue-collapsed-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  cursor: pointer;
}
.queue-header-title {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
  font-size: 11.5px;
  font-weight: 600;
}
.queue-header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
}
.queue-list {
  overflow-y: auto;
  height: calc(var(--queue-expanded-h) - var(--queue-collapsed-h));
  padding: 2px 0;
}
.queue-task {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 36px;
  padding: 0 16px;
}
.queue-task-name {
  width: 150px;
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.queue-task-pct {
  width: 38px;
  flex-shrink: 0;
  text-align: right;
  font-size: 11px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.queue-task-state {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  min-width: 90px;
  justify-content: flex-end;
}
.queue-task-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

/* Status bar */
.status-bar {
  height: var(--status-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
}
.status-bar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ================= Per-platform adjustments ================= */
/* initPlatform() stamps data-platform (mac/windows/linux), data-desktop
   (kde/gnome/hyprland/…) and data-tiling on <html> — see js/platform.js. */

/* Tiling compositors (Hyprland, sway, i3, …): the window fills its slot
   edge-to-edge, so the decorative floating-card gutter reads as wasted
   space — tighten it and square off the shell slightly. */
html[data-tiling="true"] .app-body {
  padding: 8px;
}

/* Windows: Segoe UI sits a touch lower on the line box than SF/Noto;
   antialiased smoothing also renders it too thin on ClearType displays. */
html[data-platform="windows"] body {
  -webkit-font-smoothing: auto;
}

/* GNOME/KDE ship overlay scrollbars — a permanently-reserved 9px gutter
   looks foreign there; slim it down. */
html[data-platform="linux"] ::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}

/* ── Pane resize handle ──────────────────────────────────────────────── */
.pane-resize-handle {
  width: 5px;
  cursor: col-resize;
  background: transparent;
  position: relative;
  z-index: 10;
  flex-shrink: 0;
  margin: 0 -2px;
  transition: background 0.12s var(--ease-out);
}
.pane-resize-handle:hover,
.pane-resize-handle:active {
  background: var(--accent-soft);
}
.pane-resize-handle::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 36px;
  background: var(--border);
  border-radius: 1px;
  transition: background 0.12s var(--ease-out), height 0.12s var(--ease-out);
}
.pane-resize-handle:hover::after,
.pane-resize-handle:active::after {
  background: var(--accent);
  height: 48px;
}

/* ── Split-pane grid ─────────────────────────────────────────────────── */
.pane-grid {
  display: grid;
  flex: 1;
  min-height: 0;
}
.pane-cell {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg-content);
  position: relative;
  overflow: hidden;
}
.pane-cell.drop-zone {
  background: var(--bg-panel);
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  z-index: 2;
}
.pane-cell.dragging {
  opacity: 0.5;
}

/* Pane header */
.pane-header {
  display: flex;
  align-items: center;
  height: 28px;
  padding: 0 8px 0 12px;
  background: var(--bg-tab-idle);
  border-bottom: 1px solid var(--border);
  cursor: grab;
  flex-shrink: 0;
  gap: 6px;
  user-select: none;
}
.pane-header:active {
  cursor: grabbing;
}
.pane-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pane-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.pane-split-btn,
.pane-close-btn {
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-hint);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  padding: 0;
}
.pane-split-btn:hover,
.pane-close-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}
.pane-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* Pane count badge in tab bar */
.tab-pane-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  margin: 0 4px 0 8px;
  flex-shrink: 0;
}

/* ── Pane edge drop zones ────────────────────────────────────────────── */
.pane-zone {
  position: absolute;
  opacity: 0;
  transition: opacity 0.1s ease, background 0.1s ease;
  pointer-events: none;
  z-index: 5;
}
.pane-zone--left   { left: 0;   top: 0; bottom: 0; width: 22%; }
.pane-zone--right  { right: 0;  top: 0; bottom: 0; width: 22%; }
.pane-zone--top    { left: 0; right: 0; top: 0;    height: 22%; }
.pane-zone--bottom { left: 0; right: 0; bottom: 0; height: 22%; }
.pane-zone--center { left: 22%; right: 22%; top: 22%; bottom: 22%; }
.pane-zone--swap   { left: 0; right: 0; top: 28px; bottom: 0; } /* below header */

.pane-cell.drop-active[data-drop-zone="left"]      .pane-zone--left,
.pane-cell.drop-active[data-drop-zone="right"]     .pane-zone--right,
.pane-cell.drop-active[data-drop-zone="top"]       .pane-zone--top,
.pane-cell.drop-active[data-drop-zone="bottom"]    .pane-zone--bottom,
.pane-cell.drop-active[data-drop-zone="center"]    .pane-zone--center {
  opacity: 1;
  background: var(--accent-soft);
}
.pane-cell.drop-active[data-drop-zone="center"] .pane-zone--center {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
}

/* Pane "spring-loading": shown while a dragged tab hovers a pane that
   hasn't opened as a drop target yet (see HOVER_OPEN_DELAY in dnd.js) --
   distinct from .drop-active so the pause before zones appear still reads
   as a response to the hover, not a stall. */
.pane-cell.drop-pending {
  outline: 2px dashed var(--accent-ring);
  outline-offset: -2px;
}

/* Tab dragging visual */
.tab-dragging {
  opacity: 0.45;
}
.pane-dragging {
  opacity: 0.4;
}

/* ── Panel show/hide animations ──────────────────────────────────────── */

/* Sidebar: collapse width + fade */
.sidebar {
  transition: width 0.25s var(--ease-out),
              min-width 0.25s var(--ease-out),
              padding-left 0.25s var(--ease-out),
              padding-right 0.25s var(--ease-out),
              border-width 0.25s var(--ease-out),
              opacity 0.2s var(--ease-out);
}
.sidebar.hidden {
  width: 0 !important;
  min-width: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  border: none !important;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Toolbar: collapse height + fade */
.toolbar {
  transition: height 0.25s var(--ease-out),
              margin 0.25s var(--ease-out),
              padding 0.25s var(--ease-out),
              opacity 0.2s var(--ease-out);
}
.toolbar.hidden {
  height: 0 !important;
  margin: 0 14px !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  border: none !important;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Status bar: collapse height + fade */
.status-bar {
  transition: height 0.25s var(--ease-out),
              opacity 0.2s var(--ease-out);
}
.status-bar.hidden {
  height: 0 !important;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Queue panel: collapse height + fade */
.queue-panel {
  transition: height 0.22s var(--ease-out),
              opacity 0.18s var(--ease-out);
}
.queue-panel.hidden {
  height: 0 !important;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

/* ── Main-content corner rounding ────────────────────────────────────── */
.main-content {
  transition: border-radius 0.25s var(--ease-out);
}
/* Default: bottom-right only (sidebar left + toolbar top are flat) */
.main-content:not(.no-sidebar):not(.no-toolbar):not(.no-status) {
  border-radius: 0 0 var(--radius-card) 0;
}
/* Sidebar hidden -- round left side */
.main-content.no-sidebar:not(.no-toolbar):not(.no-status) {
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}
/* Toolbar hidden -- round top */
.main-content.no-toolbar:not(.no-sidebar):not(.no-status) {
  border-radius: var(--radius-card) var(--radius-card) 0 0;
}
/* Bottom hidden -- round bottom */
.main-content.no-status:not(.no-sidebar):not(.no-toolbar) {
  border-radius: 0 0 var(--radius-card) var(--radius-card);
}
/* Sidebar + Toolbar hidden */
.main-content.no-sidebar.no-toolbar:not(.no-status) {
  border-radius: var(--radius-card) var(--radius-card) var(--radius-card) 0;
}
/* Sidebar + Bottom hidden */
.main-content.no-sidebar.no-status:not(.no-toolbar) {
  border-radius: 0 var(--radius-card) var(--radius-card) var(--radius-card);
}
/* Toolbar + Bottom hidden */
.main-content.no-toolbar.no-status:not(.no-sidebar) {
  border-radius: var(--radius-card) var(--radius-card) var(--radius-card) var(--radius-card);
}
/* All three hidden -- fully rounded */
.main-content.no-sidebar.no-toolbar.no-status {
  border-radius: var(--radius-card);
}