/* Dark marine palette - kept deliberately low-luminance for night use
   on a vessel bridge. No pure white anywhere. */
:root {
  --bg:          #050d14;  /* near-black deep sea */
  --panel:       #0a1722;  /* toolbar / dialog */
  --canvas:      #07111a;
  --grid-line:   #0c1d2a;
  --box:         #0e2433;
  --box-edge:    #1d4458;
  --box-hover:   #143349;
  --accent:      #3a93b4;  /* dim cyan */
  --accent-dim:  #1f5d75;
  --text:        #9dc3d1;  /* desaturated sea-glass */
  --text-bright: #c9e4ee;
  --text-dim:    #557585;
  --ok:          #3f9d6e;
  --warn:        #c9923f;
  --danger:      #b05050;
  --danger-dim:  #5e2f2f;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  /* Size the clipping box to the window. A transform does not change layout
     size, so without this body stays exactly as tall as the UNSCALED 1080px
     stage - and with overflow hidden, whatever the stage paints below that
     when scaled up past Full HD (the cost bar) is cut off. */
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  overflow: hidden;
  user-select: none;
}

/* Fixed 1920x1080 design stage: 64px toolbar + 1016px canvas.
   JS scales it to fit the actual window (handles display scaling /
   smaller monitors); letterbox bars stay --bg dark. */
#stage {
  width: 1920px;
  height: 1080px;
  display: flex;
  flex-direction: column;
  transform-origin: 0 0;
}

/* ---------- Toolbar ---------- */
#toolbar {
  position: relative;
  height: 64px;
  flex: 0 0 64px;
  background: var(--panel);
  border-bottom: 1px solid var(--box-edge);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { color: var(--accent); font-size: 26px; }
.brand h1 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 6px;
  color: var(--text-bright);
}

/* Screensaver toggle: sits with the brand, not with the action buttons. */
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 30px;
  margin-left: 6px;
  padding: 0;
  background: var(--box);
  border: 1px solid var(--box-edge);
  border-radius: 4px;
  cursor: pointer;
}
.icon-btn svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: var(--text-dim);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-btn:hover { border-color: var(--accent-dim); }
.icon-btn:hover svg { stroke: var(--text); }
.icon-btn .glyph-play { fill: var(--text-dim); stroke: none; }
.icon-btn:hover .glyph-play { fill: var(--text); }
/* Active: the wall is showing the screensaver. */
.icon-btn.on {
  background: rgba(63, 157, 110, 0.16);
  border-color: #3f9d6e;
}
.icon-btn.on svg { stroke: #5fd398; }
.icon-btn.on .glyph-play { fill: #5fd398; }
.icon-btn.busy { opacity: 0.5; pointer-events: none; }

.toolbar-actions { display: flex; align-items: center; gap: 16px; }

/* ---------- Tabs (always centered, independent of side content) ---------- */
#tabs {
  display: flex;
  gap: 6px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.tab {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  padding: 8px 22px;
  font-size: 13px;
  letter-spacing: 3px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--text-bright);
  border-bottom-color: var(--accent);
}

/* status: invisible when idle, only shows transient messages */
.status {
  font-family: Consolas, monospace;
  font-size: 13px;
  letter-spacing: 2px;
  text-align: right;
}
.status.ok    { color: var(--ok); }
.status.error { color: var(--danger); }

/* ---------- Buttons ---------- */
.btn {
  background: var(--box);
  color: var(--text);
  border: 1px solid var(--box-edge);
  border-radius: 3px;
  padding: 10px 20px;
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--box-hover); border-color: var(--accent-dim); }

.btn-primary { border-color: var(--accent-dim); color: var(--text-bright); }
.btn-primary:hover { border-color: var(--accent); }

.btn-danger { border-color: var(--danger-dim); color: var(--danger); }
.btn-danger:hover { background: #1d1014; border-color: var(--danger); }

.btn-mode.editing {
  background: var(--accent-dim);
  color: var(--text-bright);
  border-color: var(--accent);
}

/* ---------- Work area (left panel + canvas) ---------- */
#work { flex: 1; display: flex; min-height: 0; }
#work[hidden] { display: none; }

/* ---------- ATEM / equipment panel (far left, debug) ---------- */
#atem-panel {
  flex: 0 0 260px;
  background: var(--panel);
  border-right: 1px solid var(--box-edge);
  padding: 18px 18px 24px;
  display: flex;
  flex-direction: column;
}
#atem-list { flex: 1; overflow-y: auto; }

/* capacity-left section pinned to the bottom of the panel */
#atem-capacity {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--box-edge);
}
#atem-capacity .cap-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 5px 0;
  font-family: Consolas, monospace;
}
#atem-capacity .cap-name { font-size: 13px; color: var(--text-dim); }
#atem-capacity .cap-val { font-size: 15px; font-weight: 600; color: var(--text-bright); }
#atem-capacity .cap-val.zero { color: var(--warn); }
#atem-panel h2 {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}
.part {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 0;
  border-bottom: 1px solid var(--grid-line);
  font-family: Consolas, monospace;
}
.part .part-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.part .part-line { font-size: 13px; color: var(--accent); white-space: nowrap; }
.part .part-name { font-size: 13px; color: var(--text); }
.part .part-qty {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  white-space: nowrap;
}
.part-section {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin: 16px 0 4px;
}
.part-section:first-child { margin-top: 0; }

/* ---------- Canvas ---------- */
#canvas {
  position: relative;
  flex: 1;
  background-color: var(--canvas);
}

/* grid only shows while editing the layout */
#canvas.editing {
  cursor: crosshair;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ---------- Screen boxes ---------- */
.screen {
  position: absolute;
  background: var(--box);
  border: 1px solid var(--box-edge);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
  overflow: hidden;
}

.screen:hover {
  background: var(--box-hover);
  border-color: var(--accent-dim);
}

/* selection (LIVE mode) - green outline on the chosen screen / quadrant */
.screen.selected {
  border-color: #43d17a;
  box-shadow: 0 0 0 2px #43d17a, 0 0 14px rgba(67, 209, 122, 0.35);
}
.screen .quad-cell.selected {
  border-color: #43d17a;
  box-shadow: inset 0 0 0 2px #43d17a, 0 0 10px rgba(67, 209, 122, 0.3);
}
/* the quadrant whose context menu is currently open */
.screen .quad-cell.ctx-target {
  outline: 2px solid rgba(201, 146, 63, 0.7);
  outline-offset: -2px;
}

.screen .label {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-bright);
  text-align: center;
}

.screen .label.empty { color: var(--text-dim); font-weight: 400; font-style: italic; letter-spacing: 1px; }

/* multiview: 2x2 grid of quadrant input names filling the box */
.screen .quad-grid {
  position: absolute;
  inset: 6px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
}
.screen .quad-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-bright);
  background: var(--canvas);
  border: 1px solid var(--grid-line);
  border-radius: 3px;
  overflow: hidden;
}
.screen .quad-cell.empty { color: var(--text-dim); font-weight: 400; }

/* Output # badge, top-left, edit mode only */
.screen .out-badge {
  position: absolute;
  top: 6px;
  left: 8px;
  z-index: 2; /* above the multiview quad grid */
  display: none;
  font-family: Consolas, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-dim);
  background: var(--canvas);
  border: 1px solid var(--box-edge);
  border-radius: 3px;
  padding: 0 6px;
  line-height: 16px;
}
#canvas.editing .screen .out-badge { display: block; }

/* edit mode */
#canvas.editing .screen { cursor: grab; border-style: dashed; }
#canvas.editing .screen:active { cursor: grabbing; }
#canvas.editing.copy-ready .screen { cursor: copy; }

/* mouse-crossing group markers (always visible - touch UI, no hover) */
.screen .group-bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
}
.screen .group-tag {
  position: absolute;
  bottom: 4px; right: 5px;
  font-size: 11px;
  line-height: 1;
  pointer-events: none;
}
.screen .resize-handle {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 18px;
  height: 18px;
  cursor: nwse-resize;
  display: none;
  background: linear-gradient(135deg, transparent 50%, var(--accent-dim) 50%);
  border-bottom-right-radius: 3px;
}
#canvas.editing .screen .resize-handle { display: block; }

/* ---------- Inputs view (separate tab) ---------- */
#inputs-view {
  flex: 1;
  background: var(--canvas);
  padding: 28px 48px;
  overflow-y: auto;
}
#inputs-view[hidden] { display: none; }

.inputs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.inputs-header h2 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 5px;
  color: var(--text-bright);
}

#inputs-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}

.input-card {
  background: var(--box);
  border: 1px solid var(--box-edge);
  border-left: 3px solid var(--warn);
  border-radius: 4px;
  padding: 14px 18px;
  cursor: pointer;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  transition: background 0.15s, border-color 0.15s;
}
.input-card:hover { background: var(--box-hover); border-color: var(--accent-dim); }
.input-card .innum {
  flex: 0 0 auto;
  min-width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Consolas, monospace;
  font-size: 16px;
  font-weight: 600;
  color: var(--warn);
  background: var(--canvas);
  border: 1px solid var(--box-edge);
  border-radius: 4px;
}
.input-card .input-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.input-card .name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 1px;
  color: #e3c79a;
}
.input-card .sub {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.inputs-empty {
  color: var(--text-dim);
  font-size: 14px;
  letter-spacing: 1px;
  padding: 30px 4px;
}

/* ---------- Cost bar (bottom) ---------- */
#costbar {
  height: 64px;
  flex: 0 0 64px;
  background: var(--panel);
  border-top: 1px solid var(--box-edge);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  padding: 0 24px;
}

.cost-item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: Consolas, monospace;
}

.cost-key {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--text-dim);
}

.cost-val {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-bright);
}

.cost-total .cost-key { color: var(--accent); }
.cost-total .cost-val { color: var(--accent); }

.cost-sep { color: var(--text-dim); font-size: 20px; }

/* Screens showing a live captured thumbnail of their source */
.screen.has-still {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
/* Multiview quadrants get the same treatment */
.quad-cell.has-still {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.quad-cell.has-still {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

/* Keep the label readable over arbitrary desktop wallpaper */
.screen.has-still .label {
  background: rgba(5, 13, 20, 0.72);
  padding: 2px 8px;
  border-radius: 2px;
}

/* ---------- Cost breakdown (tap the total in the cost bar) ---------- */
#cost-breakdown {
  position: absolute;
  right: 24px;
  bottom: 64px;                 /* sits directly on top of the 64px cost bar */
  z-index: 150;
  min-width: 460px;
  max-height: 60vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--box-edge);
  border-bottom: none;
  font-family: Consolas, monospace;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.5);
}

.cb-head {
  padding: 12px 18px;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
  border-bottom: 1px solid var(--box-edge);
}

.cb-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 18px;
  align-items: baseline;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--text);
}
.cb-row + .cb-row { border-top: 1px solid var(--grid-line); }

.cb-name   { color: var(--text-bright); }
.cb-detail { color: var(--text-dim); font-size: 12px; margin-left: 8px; }
.cb-calc   { color: var(--text-dim); font-size: 13px; white-space: nowrap; }
.cb-line   { color: var(--text-bright); min-width: 120px; text-align: right; white-space: nowrap; }

.cb-row.cb-discount .cb-name,
.cb-row.cb-discount .cb-line { color: var(--ok); }

.cb-total {
  display: flex;
  justify-content: space-between;
  padding: 13px 18px;
  border-top: 1px solid var(--box-edge);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent);
}

/* the tappable total in the bar */
#cost-total-item { cursor: pointer; user-select: none; }
.cb-caret {
  color: var(--accent-dim);
  font-size: 10px;
  margin-left: 2px;
  transition: transform 0.15s;
}
#cost-total-item[aria-expanded="true"] .cb-caret { transform: rotate(180deg); display: inline-block; }

/* ---------- Right-click context menu ---------- */
.ctx-menu {
  position: fixed;
  z-index: 200;
  min-width: 150px;
  background: var(--panel);
  border: 1px solid var(--box-edge);
  border-radius: 4px;
  padding: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  letter-spacing: 1px;
}
.ctx-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 3px;
  color: var(--text);
  cursor: default;
}
.ctx-item:hover { background: var(--box-hover); color: var(--text-bright); }
.ctx-arrow { color: var(--text-dim); font-size: 11px; }

/* submenu flies out to the right; numbers laid out in a scrollable grid */
.ctx-sub {
  display: none;
  position: absolute;
  left: 100%;
  top: -5px;
  grid-template-columns: repeat(6, 32px);
  gap: 3px;
  max-height: 300px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--box-edge);
  border-radius: 4px;
  padding: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
/* invisible bridge over the parent<->submenu gap so :hover never drops */
.ctx-sub::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 0;
  width: 10px;
  height: 100%;
}
.ctx-item:hover .ctx-sub { display: grid; }

/* list-style submenu (Input) */
.ctx-sub.list {
  grid-template-columns: none;
  min-width: 170px;
  max-width: 260px;
}
.ctx-item:hover .ctx-sub.list { display: block; }
.ctx-header {
  padding: 6px 12px 8px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--box-edge);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
}
.ctx-row {
  padding: 8px 12px;
  border-radius: 3px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ctx-row:hover { background: var(--accent-dim); color: var(--text-bright); }
.ctx-row.current { background: var(--accent-dim); color: var(--text-bright); }
.ctx-row.disabled { color: var(--text-dim); cursor: default; }
.ctx-row.disabled:hover { background: transparent; color: var(--text-dim); }

/* multiview menu rows with a hover submenu */
.ctx-row.has-sub { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 16px; overflow: visible; }
.ctx-row.has-sub.extra { color: var(--warn); }
.ctx-arrow { color: var(--text-dim); font-size: 12px; }
.ctx-submenu {
  display: none;
  position: absolute;
  left: 100%; top: -5px;
  margin-left: 0;
  background: var(--panel);
  border: 1px solid var(--box-edge);
  border-radius: 4px;
  padding: 8px;
  z-index: 201;
  max-height: 85vh;
  overflow-y: auto;
  /* slim themed scrollbar (Firefox) */
  scrollbar-width: thin;
  scrollbar-color: var(--grid-line) transparent;
}
/* slim themed scrollbar (WebKit/Chromium) */
.ctx-submenu::-webkit-scrollbar { width: 8px; }
.ctx-submenu::-webkit-scrollbar-track { background: transparent; margin: 4px 0; }
.ctx-submenu::-webkit-scrollbar-thumb {
  background: var(--grid-line);
  border-radius: 4px;
  border: 2px solid var(--panel); /* inset look */
}
.ctx-submenu::-webkit-scrollbar-thumb:hover { background: var(--accent); }
.ctx-row.has-sub:hover > .ctx-submenu,
.ctx-row.has-sub.open > .ctx-submenu { display: block; }   /* .open = tap toggle (touch) */
/* invisible bridge across the row->submenu gap so hover isn't lost in transit.
   Lives on the row (overflow:visible) since the submenu clips its own overflow. */
.ctx-row.has-sub::after {
  content: '';
  position: absolute;
  left: 100%; top: 0;
  width: 14px; height: 100%;
}
.ctx-divider { height: 1px; background: var(--box-edge); margin: 4px 6px; }
/* scrollable input list inside a context menu — keeps long lists on-screen */
.ctx-scroll {
  max-height: 60vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--grid-line) transparent;
}
.ctx-scroll::-webkit-scrollbar { width: 8px; }
.ctx-scroll::-webkit-scrollbar-track { background: transparent; margin: 4px 0; }
.ctx-scroll::-webkit-scrollbar-thumb {
  background: var(--grid-line);
  border-radius: 4px;
  border: 2px solid var(--panel);
}
.ctx-scroll::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* LAYOUTS dropdown (save / recall named layouts) */
.layouts-menu { min-width: 240px; }
.layout-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.layout-del,
.layout-upd {
  color: var(--text-dim);
  font-size: 11px;
  padding: 2px 5px;
  border-radius: 3px;
}
.layout-del:hover { color: #e08a8a; background: rgba(176, 80, 80, 0.18); }
.layout-upd {
  margin-left: auto;
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid var(--box-edge);
}
.layout-upd:hover { color: var(--text-bright); background: var(--accent-dim); }
.layout-save-row {
  display: flex;
  gap: 6px;
  padding: 6px;
}
.layout-save-row input {
  flex: 1;
  min-width: 0;
  background: var(--box);
  border: 1px solid var(--box-edge);
  border-radius: 4px;
  color: var(--text-bright);
  font-size: 13px;
  padding: 7px 9px;
  outline: none;
}
.layout-save-row input:focus { border-color: var(--accent); }
.layout-save-row .btn { padding: 7px 14px; font-size: 12px; }
/* MultiViews submenu: stacked MV preview tiles */
.mv-submenu { padding: 6px; }
.mv-item { padding: 6px; border-radius: 4px; cursor: pointer; }
.mv-item + .mv-item { margin-top: 6px; }
.mv-item:hover { background: var(--accent-dim); }
.mv-item.current { background: var(--accent-dim); outline: 1px solid var(--accent); }
.mv-item-label { font-size: 11px; letter-spacing: 1px; color: var(--text-dim); margin-bottom: 5px; }
.mv-item-label.extra { color: var(--warn); }
/* the MV previewed as a real screen: 2x2 of its sources */
.ctx-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
  width: 220px; height: 132px;
}
.ctx-preview-cell {
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 4px; font-size: 12px; font-weight: 600;
  color: var(--text-bright);
  background: var(--canvas);
  border: 1px solid var(--box-edge); border-radius: 3px;
}
.ctx-preview-cell.empty { color: var(--text-dim); font-weight: 400; }

/* ---------- Dialog ---------- */
#dialog-backdrop,
#confirm-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 8, 12, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
#confirm-backdrop { z-index: 300; } /* above the edit dialog */
#dialog-backdrop[hidden],
#confirm-backdrop[hidden] { display: none; }

#confirm-dialog {
  width: 380px;
  background: var(--panel);
  border: 1px solid var(--box-edge);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
#confirm-msg {
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--text);
  line-height: 1.5;
}

#dialog {
  width: 760px;
  background: var(--panel);
  border: 1px solid var(--box-edge);
  border-radius: 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* header bar with title + close */
.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--box-edge);
}
.dialog-head h2 {
  font-size: 15px;
  letter-spacing: 4px;
  color: var(--accent);
  font-weight: 600;
}
.dialog-x {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  transition: color 0.15s;
}
.dialog-x:hover { color: var(--text-bright); }

/* padded body */
.dialog-body {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

#dialog label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-dim);
  flex: 1;
}

#dialog #screen-only { display: flex; flex-direction: column; gap: 20px; }
#dialog #screen-only[hidden] { display: none; }
#dialog #input-only { display: flex; flex-direction: column; gap: 18px; }
#dialog #input-only[hidden] { display: none; }

/* a labelled section (e.g. Output #) */
.field-section { display: flex; flex-direction: column; gap: 10px; }
.field-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.out-grid {
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  column-gap: 3px;
  row-gap: 12px; /* larger gap between rows -> grouped like a rack patch panel */
  max-height: 60vh;
  overflow-y: auto;
  padding: 2px;
}
.out-cell {
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Consolas, monospace;
  font-size: 13px;
  color: var(--text);
  background: var(--box);
  border: 1px solid var(--box-edge);
  border-radius: 3px;
  cursor: pointer;
}
.out-cell:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--text-bright); }
.out-cell.current { background: var(--accent-dim); border-color: var(--accent); color: var(--text-bright); }
/* outputs used by another screen cannot be picked (one output -> one monitor) */
.out-cell.used,
.out-cell.used:hover {
  color: var(--text-dim);
  background: var(--canvas);
  border-color: var(--grid-line);
  cursor: not-allowed;
  text-decoration: line-through;
}
/* outputs reserved by an extra multiview: yellow, labelled mvN, locked */
.out-cell.mvblock,
.out-cell.mvblock:hover {
  color: var(--warn);
  border-color: var(--warn);
  background: rgba(201, 146, 63, 0.14);
  cursor: not-allowed;
  font-size: 11px;
  letter-spacing: 0;
}
/* extra multiview cells in the Multiview # grid (yellow number, default border) */
.out-cell.extra { color: var(--warn); }
.out-cell.extra.current { background: var(--warn); border-color: var(--warn); color: #1a1206; }
.field-note { margin-top: 8px; font-size: 11px; letter-spacing: 1px; color: var(--text-dim); }
/* matrix size selector (S / M / L / XL) */
.tier-grid { display: flex; gap: 8px; }
.tier-btn {
  flex: 1; padding: 10px 0;
  font-size: 13px; font-weight: 700; letter-spacing: 1px;
  color: var(--text); background: var(--panel);
  border: 1px solid var(--grid-line); border-radius: 6px; cursor: pointer;
  text-align: center;
}
.tier-btn .tier-io { display: block; font-size: 10px; font-weight: 400; letter-spacing: 0; color: var(--text-dim); margin-top: 2px; }
.tier-btn:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-dim); }
.tier-btn.current { background: var(--accent); border-color: var(--accent); color: var(--text-bright); }
.tier-btn.current .tier-io { color: var(--text-bright); }
.tier-btn:disabled { opacity: 0.3; cursor: not-allowed; }
/* extra-multiview +/- controls below the Multiview # grid */
#mv-controls { display: flex; gap: 8px; margin-top: 10px; }
.mv-btn {
  width: 40px; height: 34px;
  font-size: 20px; font-weight: 700; line-height: 1;
  color: var(--text-bright); background: var(--panel);
  border: 1px solid var(--grid-line); border-radius: 6px; cursor: pointer;
}
.mv-btn:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-dim); }
.mv-btn:disabled { opacity: 0.35; cursor: not-allowed; }
#dialog .row { display: flex; gap: 14px; }
#dialog .check-label {
  flex-direction: row;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  color: var(--text);
}
#dialog .check-label > span:first-child {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* iOS-style on/off toggle */
.switch { position: relative; display: inline-block; width: 46px; height: 26px; flex: 0 0 auto; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute;
  inset: 0;
  background: var(--box-edge);
  border-radius: 26px;
  transition: background 0.2s;
}
.switch .slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  top: 3px;
  background: #f4f7f9;
  border-radius: 50%;
  transition: transform 0.2s;
}
.switch input:checked + .slider { background: var(--ok); }
.switch input:checked + .slider::before { transform: translateX(20px); }
#dialog .narrow { flex: 0 0 110px; }

#dialog input,
#dialog textarea {
  background: var(--canvas);
  border: 1px solid var(--box-edge);
  border-radius: 3px;
  color: var(--text-bright);
  font-family: Consolas, monospace;
  font-size: 14px;
  padding: 9px 11px;
  outline: none;
}
#dialog input:focus,
#dialog textarea:focus { border-color: var(--accent); }
#dialog textarea { resize: vertical; }

.dialog-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--box-edge);
}
.dialog-buttons .spacer { flex: 1; }