@import url("./tokens.css");

/* ============================================================
   BASE
   ============================================================ */
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: var(--fs-md) / var(--lh) var(--font-ui);
  color: var(--fg-default);
  background: var(--bg-app);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, input, select { font: inherit; color: inherit; }

/* ============================================================
   APP — "Floating canvas" layout
   The 3D viewport fills the window; every other region is a frosted
   group positioned over it. Positions are expressed from the edges so
   the groups never overlap at 1280px and wider.
   ============================================================ */
#app { position: relative; height: 100%; overflow: hidden; }

#viewport { position: absolute; inset: 0; }

.float { position: absolute; z-index: 20; }
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}
/* a horizontal pill bar of controls */
.bar {
  display: flex; flex-direction: row; align-items: center;
  gap: var(--sp-2);
  height: var(--bar-h);
  padding: 0 var(--sp-2);
  border-radius: var(--r-pill);
  white-space: nowrap;
}

#top-row {
  left: var(--edge); right: var(--edge); top: var(--edge);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--gap);
  pointer-events: none;
}
#top-row > * { pointer-events: auto; flex: 0 1 auto; min-width: 0; }
#topbar     { padding-left: 8px; flex: none; }          /* the tabs never shrink (5 for admins, T31/T32) */
#action-bar { overflow: hidden; flex: none; }
#hud-top    { margin-left: auto; min-width: 0; overflow: hidden; }   /* the file name is the elastic part */
#hud-top #struct-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#hud-top #atom-count, #hud-top #coord-mode-badge { flex: none; }

#tool-rail  { left: var(--edge); top: calc(var(--edge) + var(--bar-h) + var(--gap)); }
#dock       { left: var(--edge); top: calc(var(--edge) + 2 * var(--bar-h) + 2 * var(--gap)); }
#left-rail  {
  left: calc(var(--edge) + var(--dock-w) + var(--gap));
  top:  calc(var(--edge) + 2 * var(--bar-h) + 2 * var(--gap));
  width: var(--rail-w);
  max-height: calc(100vh - (var(--edge) + 2 * var(--bar-h) + 2 * var(--gap)) - var(--bottom-reserve));
  display: flex; flex-direction: column; overflow: hidden;
}
#left-rail[hidden] { display: none; }

#elem-column { right: var(--edge); top: calc(var(--edge) + var(--bar-h) + var(--gap)); width: var(--dock-w); }
#ctx-rail {
  right: calc(var(--edge) + var(--dock-w) + var(--gap));
  top:   calc(var(--edge) + var(--bar-h) + var(--gap));
  width: var(--dock-w);
  --ctx-max-h: calc(100vh - (var(--edge) + var(--bar-h) + var(--gap)) - var(--bottom-reserve));
}

#timeline   { left: 50%; bottom: var(--edge); transform: translateX(-50%); max-width: calc(100vw - 2 * var(--edge) - 2 * (var(--dock-w) + var(--gap))); }
#status-bar { right: var(--edge); bottom: var(--edge); }

/* Floating Lumen card */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.card.grow { flex: 1 1 auto; min-height: 0; }

/* ============================================================
   TOP BAR
   ============================================================ */
#topbar { gap: var(--sp-3); }
#action-bar .file-row { margin-left: 0; }
#hud-top { gap: 6px; padding: 0 6px; }
#hud-top .hud-chip { background: transparent; border-color: transparent; box-shadow: none; padding: 3px 8px; }
/* account chip + sign-out live in the bottom-right status bar */
#status-bar .status-sep { width: 1px; height: 12px; background: var(--border); flex: none; }
#user-chip { font-family: var(--font-mono); color: var(--fg-muted); max-width: 140px; overflow: hidden; text-overflow: ellipsis; }
#user-chip.admin { color: var(--accent); }
.status-btn { border: 0; background: transparent; padding: 2px 4px; border-radius: var(--r-sm); color: var(--fg-muted); cursor: pointer; display: inline-flex; align-items: center; }
.status-btn:hover { color: var(--accent); background: var(--bg-hover); }
#hud-top .hud-chip:empty { display: none; }
#struct-name { color: var(--fg-default); font-weight: 500; }
.brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700;
  font-size: var(--fs-xl);
  letter-spacing: -0.02em;
  color: var(--fg-strong);
  white-space: nowrap;
}
.brand .logo {
  width: 28px; height: 28px;
  border-radius: 9px;
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: var(--shadow-accent);
  display: inline-flex; align-items: center; justify-content: center;
  flex: 0 0 auto;
}
.brand .logo svg { display: block; }
.brand-name b { color: var(--accent); font-weight: 800; }

/* segmented control (workspace tabs, and reusable) */
.seg {
  display: inline-flex; align-items: center; gap: 2px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 3px;
  flex: 0 0 auto;
}
.seg-btn {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  color: var(--fg-muted);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 4px 13px;
  line-height: 1.3;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.seg-btn:hover { background: var(--bg-hover); color: var(--fg-default); }
.seg-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
  box-shadow: var(--shadow-accent);
}
.seg-btn:disabled { opacity: .45; cursor: not-allowed; background: transparent; color: var(--fg-muted); }

.path-row {
  display: flex; align-items: center; gap: var(--sp-1);
  flex: 1 1 140px; min-width: 140px; max-width: 430px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 2px 4px 2px 14px;
}
.path-row input {
  flex: 1 1 auto; min-width: 0;
  background: transparent; border: none; box-shadow: none;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--fg-muted);
  padding: 4px 0;
}
.path-row input:focus { box-shadow: none; border: none; color: var(--fg-default); }
.path-row button {
  flex: 0 0 auto;
  background: transparent; border: none;
  color: var(--fg-muted);
  padding: 3px 9px;
  border-radius: var(--r-pill);
  font-size: var(--fs-sm);
  font-weight: 600;
}
.path-row button:hover { background: var(--bg-active); color: var(--fg-default); }

.file-row {
  display: flex;
  gap: var(--sp-1);
  align-items: center;
  flex: 0 0 auto;
  min-width: 0;
  margin-left: auto;
}
.file-row input[type=text] { width: 104px; padding: 6px 10px; }
.file-row select { padding: 6px 6px; }

/* primary action */
#save-btn {
  background: var(--accent);
  color: var(--accent-fg);
  border: 1px solid var(--accent);
  font-weight: 600;
  box-shadow: var(--shadow-accent);
}
#save-btn:hover  { background: var(--accent-hover); border-color: var(--accent-hover); }
#save-btn:active { filter: brightness(0.95); }

#help-btn {
  width: 30px; height: 30px;
  padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-pill);
  flex: 0 0 auto;
}

/* ============================================================
   TOOL RAIL (vertical icon strip)
   ============================================================ */
#tool-rail {
  display: flex; flex-direction: row; align-items: center;
  gap: 2px;
  padding: 4px;
  border-radius: 11px;
}
#dock {
  display: flex; flex-direction: column; align-items: center;
  gap: 2px;
  padding: 4px;
  width: var(--dock-w);
  border-radius: 11px;
}
.tool {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  color: var(--fg-muted);
  cursor: pointer;
  padding: 0;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}
.tool:hover  { background: var(--bg-hover); color: var(--fg-default); }
.tool:active { background: var(--bg-active); }
.tool.active {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: transparent;
}
.tool:disabled { opacity: 0.35; cursor: not-allowed; background: transparent; color: var(--fg-muted); }
.tool svg { width: 17px; height: 17px; display: block; }
.rail-divider {
  width: 1px; height: 20px;
  background: var(--border);
  margin: 0 4px;
  flex: 0 0 auto;
}

/* ============================================================
   FORM CONTROLS
   ============================================================ */
input, select {
  background: var(--bg-input);
  color: var(--fg-default);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 5px 9px;
  font-size: var(--fs-sm);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--selection);
}
select { padding-right: 6px; }

button {
  background: var(--bg-elevated);
  color: var(--fg-default);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 5px 12px;
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
button:hover { background: var(--bg-hover); }
button:active { background: var(--bg-active); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

/* legacy ribbon-button class, restyled as a Lumen soft button */
.rbtn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--fg-default);
  padding: 5px 12px;
  font-size: var(--fs-sm);
  font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}
.rbtn:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.rbtn:active { background: var(--bg-active); }
.rbtn.active {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--accent-border);
}
.rbtn:disabled, .rbtn.placeholder { opacity: 0.4; cursor: not-allowed; }

.rfield {
  display: inline-flex; align-items: center;
  gap: 5px;
  color: var(--fg-muted);
  font-size: var(--fs-sm);
}
.rfield input[type=number] { width: 46px; padding: 4px 5px; }
.rfield input[type=text]   { width: 60px; padding: 4px 6px; }
.rfield input[type=range]  { width: 90px; }

/* range slider */
input[type=range] {
  -webkit-appearance: none; appearance: none;
  height: 4px;
  background: var(--border-strong);
  border: none;
  padding: 0;
  border-radius: var(--r-pill);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

input[type=checkbox] {
  accent-color: var(--accent);
  width: 14px; height: 14px;
  margin: 0;
}

/* ============================================================
   LEFT COLUMN (files + scene) & CONTEXT RAIL
   ============================================================ */
.pane { display: flex; flex-direction: column; min-height: 0; flex: 1 1 auto; }
.pane[hidden] { display: none; }
#pane-files .path-row { margin: 6px 8px 2px; flex: 0 0 auto; max-width: none; padding-left: 6px; }
#file-list { flex: 1 1 auto; min-height: 0; margin-right: 5px; }   /* the scrollbar stays clear of the resize handle */
#left-rail:has(#pane-files:not([hidden])) { width: var(--files-w); }
/* breadcrumb in the path row; ✎ swaps it for the text box */
.crumbs { flex: 1 1 auto; min-width: 0; display: flex; align-items: center; gap: 1px; overflow-x: auto; scrollbar-width: none; white-space: nowrap; }
.crumbs::-webkit-scrollbar { display: none; }
.path-row .crumb { flex: none; padding: 3px 5px; font: 500 var(--fs-sm) var(--font-mono); color: var(--fg-muted); border-radius: var(--r-sm); }
.path-row .crumb:hover { background: var(--bg-active); color: var(--accent); }
.path-row .crumb.current { color: var(--fg-strong); font-weight: 600; cursor: default; background: transparent; }
.crumb-sep { flex: none; color: var(--fg-faint); font-size: var(--fs-xs); padding: 0 1px; }
.path-row.editing .crumbs, .path-row.editing #dir-edit { display: none; }
.path-row .icon-btn { padding: 3px 6px; display: grid; place-items: center; }
.path-row .icon-btn svg { width: 15px; height: 15px; }
/* drag handle on the right edge of the Files pane */
.rail-resize { position: absolute; top: 0; right: 0; bottom: 0; width: 5px; cursor: ew-resize; z-index: 2; }
.rail-resize:hover, .rail-resize.dragging { background: linear-gradient(90deg, transparent 1px, var(--accent-border) 1px, var(--accent-border) 3px, transparent 3px); }
/* icon rail (T26, design B): a glass column of 8 icons, each card flies out to its left */
#ctx-rail {
  display: flex; flex-direction: column; align-items: center;
  gap: 2px;
  padding: 4px;
  border-radius: 11px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: visible;
}
#ctx-rail details.panel > .panel-body {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
}
/* a details.panel outside the rail (the Jobs History disclosure) keeps a plain look */
.workspace details.panel > summary { list-style: none; cursor: pointer; }
.workspace details.panel > summary::-webkit-details-marker { display: none; }
/* element column: one chip per element present, coloured like the atoms */
#elem-column { padding: 4px; border-radius: 11px; }
#elem-column-list { display: flex; flex-direction: column; gap: 2px; align-items: stretch; }
#elem-column-list:empty::before { content: "—"; display: block; text-align: center; color: var(--fg-faint); font-size: var(--fs-xs); padding: 6px 0; }
.elem-col-btn {
  appearance: none;
  height: 32px; padding: 0;
  display: flex; align-items: center; justify-content: center; gap: 4px;
  background: transparent; border: 1px solid transparent; border-radius: 8px;
  font: 600 var(--fs-sm) var(--font-mono);
  color: var(--fg-default);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease);
}
.elem-col-btn:hover { background: var(--bg-hover); }
.elem-col-btn.active { background: var(--accent-bg); color: var(--accent); }
.elem-col-btn .swatch-dot { width: 7px; height: 7px; border-radius: 50%; border: 1px solid rgba(15, 23, 42, .25); flex: 0 0 auto; }

.card-head {
  display: flex; align-items: center;
  gap: var(--sp-2);
  padding: 9px var(--sp-3);
  border-bottom: 1px solid var(--border-soft);
}
.card-title {
  font-size: var(--fs-xxs);
  text-transform: uppercase;
  letter-spacing: var(--track-caps);
  color: var(--fg-muted);
  font-weight: 700;
  flex: 1 1 auto;
}
.card-actions { display: flex; gap: 4px; }
.card-actions button {
  background: transparent;
  border: none;
  width: 22px; height: 22px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: var(--fs-md);
  color: var(--fg-muted);
  border-radius: 50%;
}
.card-actions button:hover { background: var(--bg-hover); color: var(--fg-default); }

.card-body {
  padding: var(--sp-2);
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
}
.card-body.flush { padding: 0; }
.card-body.scroll { overflow-y: auto; }

.field {
  display: flex; align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-1);
  font-size: var(--fs-sm);
}
.field label { color: var(--fg-muted); flex: 0 0 auto; min-width: 70px; }
.field input, .field select { flex: 1 1 auto; min-width: 0; }

.btn-row { display: flex; gap: 6px; flex-wrap: wrap; margin: var(--sp-1) 0; }
.btn-row .rbtn.flex { flex: 1 1 0; }

/* ---- context cards: icon in the rail, body as a fly-out (T26 design B) ---- */
#ctx-rail details.panel { position: static; flex: 0 0 auto; }
#ctx-rail details.panel > summary {
  list-style: none;
  position: relative;
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-md);
  color: var(--fg-muted);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
#ctx-rail details.panel > summary::-webkit-details-marker { display: none; }
#ctx-rail details.panel > summary::after { content: none; }
#ctx-rail details.panel > summary:hover { background: var(--bg-hover); color: var(--fg-default); }
#ctx-rail details.panel[open] > summary { background: var(--accent-bg); color: var(--accent); }
#ctx-rail details.panel.pinned > summary::before {
  content: ""; position: absolute; left: 3px; top: 50%; width: 3px; height: 14px; margin-top: -7px;
  border-radius: 2px; background: var(--accent);
}
#ctx-rail details.panel > summary .sum-icon { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
#ctx-rail details.panel > summary .sum-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
#ctx-rail details.panel > summary .sum-badge {
  position: absolute; right: -2px; top: -2px;
  font: 9px/1 var(--font-mono);
  color: var(--fg-muted);
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 1px 4px;
  max-width: 34px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  pointer-events: none;
}
#ctx-rail details.panel > summary .sum-badge:empty { display: none; }
#ctx-rail #ctx-details-formula { display: none; }           /* the formula does not fit on an icon, the Details card shows it */
#ctx-rail details.panel > .panel-body {
  position: absolute;
  right: calc(100% + var(--gap)); top: 0;
  width: var(--ctx-w);
  max-height: var(--ctx-max-h);
  overflow-y: auto;
  padding: var(--sp-3);
  display: flex; flex-direction: column; gap: var(--sp-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  animation: ctx-fly-in var(--dur-med) cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 5;
}
@keyframes ctx-fly-in { from { transform: translateX(14px); opacity: 0; } to { transform: none; opacity: 1; } }
/* the card's own title row, since the summary is now an icon */
#ctx-rail details.panel > .panel-body::before {
  content: attr(data-title);
  font-size: var(--fs-xxs); text-transform: uppercase; letter-spacing: var(--track-caps);
  color: var(--fg-muted); font-weight: 700;
  padding-bottom: 6px; border-bottom: 1px solid var(--border-soft);
}
/* Selection card lights up when a selection exists */
#ctx-rail details.panel.attention > summary { color: var(--accent); }
#ctx-rail details.panel.attention > summary .sum-badge { color: var(--accent); background: var(--accent-soft); border-color: var(--accent-border); }

.panel-sep { border-top: 1px solid var(--border-soft); margin: 2px 0; }
.panel-hint {
  color: var(--fg-faint);
  font-size: var(--fs-sm);
  font-style: italic;
}

/* big measurement readout in the Selection panel */
.readout {
  background: var(--bg-surface-2);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font: var(--fs-sm) var(--font-mono);
  color: var(--fg-default);
  line-height: 1.5;
}

/* ============================================================
   FILE BROWSER
   ============================================================ */
#file-list { display: flex; flex-direction: column; gap: 2px; padding: 6px 6px 10px; }
.file-entry {
  flex: 0 0 auto;                 /* T44: rows never shrink, the list scrolls instead */
  min-height: 32px;
  padding: 6px 10px 6px 8px;
  display: flex; gap: 10px; align-items: center;
  cursor: pointer;
  white-space: nowrap; overflow: hidden;
  font-size: var(--fs-sm); line-height: 1.35;
  border-radius: var(--r-md);
  transition: background var(--dur-fast) var(--ease);
}
.file-entry:hover { background: var(--bg-hover); }
.file-entry.dir    { color: var(--fg-default); font-weight: 500; }
.file-entry.struct { color: var(--accent); font-family: var(--font-mono); }
.file-entry .ico { width: 18px; height: 18px; flex: 0 0 18px; display: grid; place-items: center; }
.file-entry .ico svg { width: 18px; height: 18px; display: block; }
.file-entry.dir .ico      { color: var(--ico-folder); }
.file-entry.up .ico       { color: var(--fg-muted); }
.file-entry.k-struct .ico { color: var(--accent); }
.file-entry.k-traj .ico   { color: var(--ico-traj); }
.file-entry.k-mol .ico    { color: var(--ico-mol); }
.file-entry.k-other .ico  { color: var(--fg-faint); }
.file-entry .name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.file-entry .meta { flex: none; margin-left: 8px; font: var(--fs-xxs) var(--font-mono); color: var(--fg-faint); font-weight: 400; }
.file-sep { flex: 0 0 auto; height: 1px; background: var(--border); margin: 5px 10px; }

/* ============================================================
   SCENE TREE (rep list)
   ============================================================ */
.scene-empty {
  padding: var(--sp-3);
  color: var(--fg-faint);
  font-size: var(--fs-sm);
  font-style: italic;
}
.rep-row {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: 6px 10px;
  margin: 0 4px;
  cursor: pointer;
  font-size: var(--fs-sm);
  border-radius: var(--r-md);
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease);
}
.rep-row:hover  { background: var(--bg-hover); }
.rep-row.active {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--fg-strong);
}
.rep-row .eye {
  flex: 0 0 18px;
  width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  border: none; background: transparent;
  color: var(--fg-muted);
  cursor: pointer; padding: 0;
  border-radius: var(--r-sm);
}
.rep-row .eye:hover { color: var(--fg-default); background: var(--bg-active); }
.rep-row.hidden-rep .name { color: var(--fg-faint); text-decoration: line-through; }
.rep-row .name {
  flex: 1 1 auto;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.rep-row .style-badge {
  font: var(--fs-xs) var(--font-mono);
  color: var(--fg-muted);
  background: var(--bg-surface-2);
  border-radius: var(--r-pill);
  padding: 1px 8px;
  flex: 0 0 auto;
}

/* ============================================================
   INSPECTOR (rep properties, rendered by app.js)
   ============================================================ */
.inspector-empty {
  padding: var(--sp-2);
  color: var(--fg-faint);
  font-size: var(--fs-sm);
  font-style: italic;
}
.inspector-row {
  display: flex; align-items: center; gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}
.inspector-row label {
  font-size: var(--fs-sm);
  color: var(--fg-muted);
  flex: 0 0 70px;
}
.inspector-row input[type=text], .inspector-row select { flex: 1 1 auto; min-width: 0; }
.inspector-row input[type=range] { flex: 1 1 auto; }
.inspector-row .val {
  font: var(--fs-xs) var(--font-mono);
  color: var(--fg-muted);
  min-width: 36px;
  text-align: right;
}

/* Element chip list */
.elem-chips { display: flex; flex-wrap: wrap; gap: 4px; flex: 1 1 auto; }
.elem-chip {
  appearance: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--fg-default);
  padding: 2px 10px;
  font: var(--fs-xs) var(--font-mono);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.elem-chip:hover { background: var(--bg-hover); }
.elem-chip.active {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

/* Color swatch palette */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  flex: 1 1 auto;
}
.swatch {
  appearance: none;
  width: 22px; height: 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.swatch:hover { transform: scale(1.1); }
.swatch.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--selection);
}

/* ============================================================
   VIEWPORT + HUD
   ============================================================ */
#viewport {
  background: var(--viewport-bg);
  overflow: hidden;
}
#canvas-host { position: absolute; inset: 0; }
#canvas-host canvas { display: block; width: 100%; height: 100%; }

#hud-top { font: var(--fs-xs) var(--font-mono); color: var(--fg-default); pointer-events: none; }
#hud-bottom {
  position: absolute;
  left: var(--edge); bottom: calc(var(--edge) + var(--bar-h) + var(--gap));
  display: flex; gap: var(--sp-2);
  align-items: center;
  pointer-events: none;
  font: var(--fs-xs) var(--font-mono);
  color: var(--fg-default);
  z-index: 5;
}

.hud-chip {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 3px 11px;
  color: var(--fg-muted);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
#coord-mode-badge:empty, #atom-count:empty,
#hover-info:empty, #selection-info:empty { display: none; }
#selection-info { color: var(--accent); border-color: var(--accent-border); background: var(--accent-soft); }

/* rubber-band rectangle for box-select */
.box-select {
  position: absolute;
  pointer-events: none;
  border: 1px solid var(--accent);
  background: var(--selection);
  z-index: 10;
}
.box-select.hidden { display: none; }

/* Freeform lasso overlay */
.lasso-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  width: 100%; height: 100%;
}
.lasso-overlay polyline {
  fill: var(--selection);
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linejoin: round;
  stroke-linecap: round;
  fill-rule: evenodd;
}
.lasso-overlay.hidden { display: none; }

/* ============================================================
   TIMELINE (unified NEB + trajectory strip)
   ============================================================ */
#timeline {
  gap: var(--sp-2);
  padding: 0 var(--sp-2);
  height: auto; min-height: var(--bar-h);
  flex-wrap: wrap;
  row-gap: 4px;
  padding-top: 4px; padding-bottom: 4px;
}
.tl-label {
  display: flex; flex-direction: column; gap: 1px;
  min-width: 64px;
}
.tl-label .t1 {
  font-size: var(--fs-xxs);
  text-transform: uppercase;
  letter-spacing: var(--track-caps);
  color: var(--fg-muted);
  font-weight: 700;
}
.tl-label .t2 { font: var(--fs-xs) var(--font-mono); color: var(--fg-muted); }

#timeline-hint {
  color: var(--fg-faint);
  font-size: var(--fs-sm);
  font-style: italic;
}

#neb-strip { display: flex; gap: 5px; flex-wrap: wrap; }
.neb-chip {
  width: 36px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font: var(--fs-xs) var(--font-mono);
  color: var(--fg-muted);
  cursor: pointer;
  padding: 0;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.neb-chip:hover { background: var(--bg-hover); color: var(--fg-default); }
.neb-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
  font-weight: 700;
  box-shadow: var(--shadow-accent);
}

#neb-info { font: var(--fs-sm) var(--font-mono); font-weight: 600; }
#traj-info { color: var(--info); font-weight: 600; font-family: var(--font-mono); font-size: var(--fs-sm); }
#traj-slider { width: 160px; }

#timeline .spacer { flex: 1 1 auto; }

/* ============================================================
   STATUS BAR (quiet, no card)
   ============================================================ */
#status-bar {
  display: flex; align-items: center;
  gap: var(--sp-3);
  height: var(--status-h);
  padding: 0 var(--sp-3);
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  color: var(--fg-muted);
  white-space: nowrap;
  overflow: hidden;
  max-width: 46vw;
}
#status-bar .spacer { display: none; }
#status        { font: var(--fs-xs) var(--font-mono); min-width: 0; overflow: hidden; text-overflow: ellipsis; }   /* a long sentence ends in … , the tooltip has it all */
.status-ok     { color: var(--ok); }
.status-err    { color: var(--err); }
#status-cwd    { font-family: var(--font-mono); color: var(--fg-faint); }

#measure-out { font: var(--fs-xs) var(--font-mono); color: var(--fg-default); }

/* ============================================================
   MODALS
   ============================================================ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: var(--backdrop);
  display: none;
  align-items: center; justify-content: center;
  z-index: 100;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-pop);
  width: min(500px, 90vw);
  max-height: 80vh;
  display: flex; flex-direction: column;
}
.modal-head {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-soft);
  display: flex; align-items: center; gap: var(--sp-3);
}
.modal-head h2 {
  margin: 0; flex: 1;
  font-size: var(--fs-lg); color: var(--fg-strong);
}
.modal-body {
  padding: var(--sp-3) var(--sp-4);
  overflow-y: auto;
  font-size: var(--fs-sm);
}
.modal-body kbd {
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: var(--r-sm);
  padding: 1px 6px;
  font: var(--fs-xs) var(--font-mono);
  color: var(--fg-default);
}
.modal-body ul { padding-left: var(--sp-4); }
.modal-body li { margin: 4px 0; color: var(--fg-default); }
.confirm-text {
  margin: 0;
  color: var(--fg-default);
  font-size: var(--fs-md);
  line-height: var(--lh);
  overflow-wrap: anywhere;
}
.confirm-text code {
  font: var(--fs-sm) var(--font-mono);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-sm);
  padding: 1px 5px;
}
button.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.primary.danger { background: var(--err); border-color: var(--err); box-shadow: none; }
button.primary.danger:hover { background: var(--err); }

/* ---- per-axis selective-dynamics chips (Selection panel) ---- */
.axis-row { align-items: center; }
.axis-lbl { color: var(--fg-muted); font-size: var(--fs-sm); min-width: 52px; }
.axis-chip {
  appearance: none;
  width: 30px; height: 24px;
  padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--fg-default);
  font: 600 var(--fs-xs) var(--font-mono);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.axis-chip:hover { background: var(--bg-hover); }
.axis-chip.all {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}
.axis-chip.mixed {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px dashed var(--accent);
}
.axis-chip:disabled { opacity: 0.4; cursor: not-allowed; }
.axis-out { font-size: var(--fs-xs); margin-left: auto; }

/* unsaved-changes marker after the structure name */
#struct-name.dirty::after {
  content: " •";
  color: var(--warn);
  font-weight: 700;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--r-pill);
}
*::-webkit-scrollbar-thumb:hover { background: var(--fg-faint); }

/* ============================================================
   UTILITY
   ============================================================ */
.muted     { color: var(--fg-muted); }
.faint     { color: var(--fg-faint); }
.mono      { font-family: var(--font-mono); }
.hidden    { display: none !important; }
.icon-only { padding-left: 6px; padding-right: 6px; }
.divider   {
  width: 1px;
  align-self: stretch;
  background: var(--border-soft);
  margin: 4px 2px;
}
.rbtn.placeholder::after {
  content: "·";
  margin-left: 4px;
  color: var(--warn);
  font-weight: 700;
}

/* ============================================================
   TOGGLE SWITCH
   ============================================================ */
.toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  cursor: pointer;
  user-select: none;
  font-size: var(--fs-sm);
  color: var(--fg-default);
  padding: 2px 4px;
  border-radius: var(--r-md);
  transition: background var(--dur-fast) var(--ease);
}
.toggle:hover { background: var(--bg-hover); }
.toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0; height: 0;
}
.toggle .track {
  position: relative;
  width: 30px; height: 16px;
  background: var(--border-strong);
  border-radius: 999px;
  transition: background var(--dur-fast) var(--ease);
  flex: 0 0 auto;
}
.toggle .track::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 12px; height: 12px;
  background: var(--bg-surface);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}
.toggle input:checked + .track { background: var(--accent); }
.toggle input:checked + .track::after {
  transform: translateX(14px);
  background: var(--accent-fg);
}
.toggle input:focus-visible + .track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.toggle .lbl { white-space: nowrap; }

/* ============================================================
   FLOATING CANVAS — quick bar, details, element-column toggle
   ============================================================ */
#quick-bar {
  left: var(--edge); bottom: var(--edge);
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 6px;
  pointer-events: none;
}
#quick-bar > * { pointer-events: auto; }
.quick-row { height: 36px; padding: 0 6px; gap: 4px; border-radius: 11px; }
.quick-row .rbtn { padding: 4px 10px; }
.quick-row .rbtn b { font-weight: 700; margin-right: 2px; }
.quick-select { height: 28px; padding: 0 6px; border-radius: var(--r-pill); font-weight: 600; }
.export-label { flex: 0 0 auto; padding: 0 4px 0 6px; }
.xbtn { padding: 4px 9px; font-size: var(--fs-xs); letter-spacing: .04em; }
#toggle-h.active { background: var(--accent-bg); color: var(--accent); border-color: var(--accent-border); }

/* key / value grid used by the Details panel */
.kv {
  display: grid; grid-template-columns: 64px minmax(0, 1fr);
  gap: 3px 8px;
  font-size: var(--fs-sm);
  align-items: baseline;
}
.kv .k { color: var(--fg-muted); }
.kv .v { font: var(--fs-xs) var(--font-mono); color: var(--fg-default); overflow-wrap: anywhere; }
.kv .v sub { font-size: .75em; }
.kv .sep { grid-column: 1 / -1; border-top: 1px solid var(--border-soft); margin: 3px 0; }
#ctx-details-formula:empty { display: none; }

.rail-divider.h { width: 22px; height: 1px; margin: 3px 0; }
#ctx-toggle { width: 34px; height: 30px; }
#ctx-toggle svg { transition: transform var(--dur-fast) var(--ease); }
body.ctx-collapsed #ctx-toggle svg { transform: rotate(180deg); }
body.ctx-collapsed #ctx-rail { display: none; }

/* the bottom HUD sits above the quick bar */
#hud-bottom { bottom: calc(var(--edge) + 2 * 36px + 6px + var(--gap)); }

/* SMILES row in the Details panel */
#details-smiles { display: inline-flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.smiles-text { overflow-wrap: anywhere; }
.copy-btn {
  appearance: none; background: transparent; border: none; padding: 0 2px;
  font: 600 var(--fs-xxs) var(--font-ui); text-transform: uppercase; letter-spacing: var(--track-caps);
  color: var(--accent); cursor: pointer; border-radius: var(--r-sm);
}
.copy-btn:hover { background: var(--accent-soft); }
.smiles-note { font-size: var(--fs-xxs); }
#qc-modal .field input[type=number] { width: 70px; flex: 0 0 auto; }

/* ============================================================
   SKETCH PANE (Ketcher in an iframe + embed controls)
   ============================================================ */
#left-rail:has(#pane-sketch:not([hidden])) { width: var(--sketch-w); }
.sketch-frame-wrap {
  position: relative;
  flex: 1 1 auto; min-height: 0;
  height: var(--sketch-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-soft);
}
#ketcher-frame { width: 100%; height: 100%; border: 0; display: block; background: #fff; }
.sketch-missing {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; text-align: center; padding: var(--sp-4);
  color: var(--fg-muted); font-size: var(--fs-sm);
}
.sketch-missing[hidden] { display: none; }
.sketch-missing p { margin: 0; }
.sketch-controls { display: flex; flex-direction: column; gap: 6px; padding: var(--sp-2) var(--sp-3) var(--sp-3); }
.sketch-controls .toggle { flex: 0 0 auto; }


/* ============================================================ Jobs workspace (phase 2) */
/* the canvas bars hide on the other tabs. The status bar stays: it carries their messages, the user chip and Sign out (T57) */
body[data-tab="jobs"] .float:not(#top-row):not(#status-bar), body[data-tab="users"] .float:not(#top-row):not(#status-bar), body[data-tab="console"] .float:not(#top-row):not(#status-bar), body[data-tab="compute"] .float:not(#top-row):not(#status-bar) { display: none; }
body[data-tab="jobs"] #status-cwd, body[data-tab="users"] #status-cwd, body[data-tab="console"] #status-cwd, body[data-tab="compute"] #status-cwd { display: none; }
body[data-tab="jobs"] #action-bar, body[data-tab="jobs"] #hud-top,
body[data-tab="users"] #action-bar, body[data-tab="users"] #hud-top,
body[data-tab="console"] #action-bar, body[data-tab="console"] #hud-top,
body[data-tab="compute"] #action-bar, body[data-tab="compute"] #hud-top { visibility: hidden; }
#jobs-view {
  position: absolute; z-index: 25;
  left: var(--edge); right: var(--edge);
  top: calc(var(--edge) + var(--bar-h) + var(--gap)); bottom: calc(var(--edge) + var(--status-h) + var(--gap));   /* the status bar below (T57) */
  display: grid; grid-template-columns: minmax(240px, 300px) 1fr; gap: var(--gap);
  min-height: 0;
}
#jobs-view[hidden] { display: none; }
#jobs-view .card { min-height: 0; overflow: hidden; }
#jobs-list { overflow: auto; }
.job-item { padding: 9px var(--sp-3); border-bottom: 1px solid var(--border-soft); cursor: pointer; }
.job-item:hover { background: var(--bg-hover); }
.job-item.active { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
.job-item-row { display: flex; align-items: center; gap: var(--sp-2); }
.job-item-name { flex: 1 1 auto; font-weight: 600; font-size: var(--fs-md); color: var(--fg-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.job-item-sub { font-size: var(--fs-xxs); color: var(--fg-muted); margin-top: 2px; }
.state-pill { font-size: var(--fs-xxs); text-transform: uppercase; letter-spacing: var(--track-caps); font-weight: 700; padding: 2px 8px; border-radius: var(--r-pill); background: var(--bg-active); color: var(--fg-muted); white-space: nowrap; }
.state-pill.ready   { background: #d1fae5; color: var(--ok); }
.state-pill.draft   { background: var(--bg-active); color: var(--fg-muted); }
.state-pill.waiting, .state-pill.queued, .state-pill.held { background: #fef3c7; color: var(--warn); }
.state-pill.running { background: var(--accent-bg); color: var(--accent); }
.state-pill.done    { background: #d1fae5; color: var(--ok); }
.state-pill.failed, .state-pill.deleted { background: #fee2e2; color: var(--err); }
#job-detail { display: flex; flex-direction: column; }
#job-body { flex: 1 1 auto; overflow: auto; min-height: 0; display: flex; flex-direction: column; }
.job-head { flex: 0 0 auto; }
.job-name { flex: 1 1 auto; min-width: 0; font: 600 var(--fs-lg) var(--font-ui); color: var(--fg-strong); background: transparent; border: 1px solid transparent; border-radius: var(--r-sm); padding: 2px 6px; }
.job-name:hover, .job-name:focus { border-color: var(--border); background: var(--bg-input); outline: none; }
.job-hint { margin: 6px var(--sp-3) 0; font-size: var(--fs-xs); }
/* why Submit is off or was refused (T57): next to the button, not in the status bar */
.job-submit-msg { margin: 6px var(--sp-3) 0; padding: 6px 10px; border-radius: var(--r-md); font-size: var(--fs-sm);
  color: var(--err); background: color-mix(in srgb, var(--err) 12%, transparent); }
.job-submit-msg[hidden] { display: none; }
.job-slots { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); padding: var(--sp-3); }
.slot { border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--bg-surface-2); display: flex; flex-direction: column; min-width: 0; }
.slot[hidden] { display: none; }        /* T48: the hidden attribute alone loses to display: flex */
.slot.is-err { border-color: #fca5a5; }
.slot.is-ok  { border-color: #a7f3d0; }
.slot-head { display: flex; align-items: center; gap: var(--sp-2); padding: 8px var(--sp-3); border-bottom: 1px solid var(--border-soft); flex-wrap: wrap; }
.slot-head .card-title { flex: 0 0 auto; }
.slot-head .prov { flex: 1 1 60px; font-size: var(--fs-xxs); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.job-actions { display: flex; gap: 6px; align-items: center; margin-left: auto; flex: 0 0 auto; }
.job-actions .rbtn { white-space: nowrap; }
.job-new-row { padding: 8px var(--sp-3); border-bottom: 1px solid var(--border-soft); }
.job-new-row .rbtn { width: 100%; }
#jobs-everyone-wrap { font-size: var(--fs-xxs); display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.tmpl-select { max-width: 200px; font-size: var(--fs-xs); padding: 3px 6px; border-radius: var(--r-pill); border: 1px solid var(--border); background: var(--bg-surface); color: var(--fg-default); }
.slot-summary { padding: 10px var(--sp-3); font-size: var(--fs-sm); }
.slot-text { margin: 8px var(--sp-3) 0; background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--r-md); color: var(--fg-default); font: var(--fs-sm)/1.5 var(--font-mono); padding: 8px 10px; resize: vertical; min-height: 110px; }
.slot-text:focus { outline: 2px solid var(--accent-border); border-color: var(--accent); }
.slot-text:disabled { opacity: .7; }
/* POSCAR slot: the file, read-only, scrolls inside the card (a MOF POSCAR runs to hundreds of lines) */
.slot-pre { margin-top: 0; min-height: 0; max-height: 18em; overflow: auto; white-space: pre; resize: none; }
.slot-pre[hidden] { display: none; }
.verdict { font-size: var(--fs-xxs); font-weight: 700; text-transform: uppercase; letter-spacing: var(--track-caps); padding: 2px 8px; border-radius: var(--r-pill); }
.verdict.ok      { background: #d1fae5; color: var(--ok); }
.verdict.err     { background: #fee2e2; color: var(--err); }
.verdict.missing { background: var(--bg-active); color: var(--fg-muted); }
.slot-msgs { list-style: none; margin: 6px var(--sp-3) 10px; padding: 0; font-size: var(--fs-xs); display: grid; gap: 3px; }
.slot-msgs li { padding-left: 14px; position: relative; }
.slot-msgs li::before { content: "•"; position: absolute; left: 2px; }
.slot-msgs li.err  { color: var(--err); }
.slot-msgs li.warn { color: var(--warn); }
.slot-msgs:empty { display: none; }
.cfg-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-2); padding: 10px var(--sp-3) 4px; align-items: end; }
.cfg-grid label { display: grid; gap: 4px; font-size: var(--fs-xxs); text-transform: uppercase; letter-spacing: var(--track-caps); color: var(--fg-muted); font-weight: 600; }
.cfg-grid input { width: 100%; box-sizing: border-box; padding: 6px 8px; background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--r-md); color: var(--fg-default); font: var(--fs-sm) var(--font-mono); }
.cfg-grid #cfg-total { grid-column: 1 / -1; font-size: var(--fs-xs); }
#cfg-ceilings { padding: 0 var(--sp-3) 8px; font-size: var(--fs-xxs); }
.job-events { margin: 0 var(--sp-3) var(--sp-3); border: 1px solid var(--border-soft); border-radius: var(--r-md); padding: 6px var(--sp-3); }
.job-events summary { cursor: pointer; }
.job-events ul { list-style: none; margin: 6px 0 0; padding: 0; font-size: var(--fs-xs); display: grid; gap: 3px; }
.newjob-opts { display: grid; gap: 6px; max-height: 40vh; overflow: auto; }
.newjob-opt { display: flex; gap: 8px; align-items: flex-start; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--r-md); cursor: pointer; font-size: var(--fs-sm); }
.newjob-opt:hover { background: var(--bg-hover); }
.newjob-opt:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.root-chips { display: flex; gap: 4px; margin: 2px 8px 6px; flex-wrap: wrap; }
.root-chip { font: 600 var(--fs-xxs) var(--font-mono); padding: 2px 8px; border-radius: var(--r-pill); border: 1px solid var(--border); background: var(--bg-surface); color: var(--fg-muted); cursor: pointer; }
.root-chip:hover { color: var(--accent); border-color: var(--accent-border); }
.root-chip.active { background: var(--accent-bg); color: var(--accent); border-color: var(--accent-border); }
.root-chip[hidden] { display: none; }
@media (max-width: 1100px) { .job-slots { grid-template-columns: 1fr; } }
.file-entry .state-pill { flex: none; margin-left: auto; font-size: 9px; padding: 1px 6px; }


/* ============================================================ Cell + Surface panels (phase 2.5) */
.cell-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px 6px; margin-bottom: 6px; }
.cell-grid label { display: flex; align-items: center; gap: 4px; font-size: var(--fs-xs); color: var(--fg-muted); font-family: var(--font-mono); }
.cell-grid input { width: 100%; min-width: 0; padding: 3px 5px; font: var(--fs-xs) var(--font-mono); background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--r-sm); color: var(--fg-default); }
.matrix-grid { display: grid; grid-template-columns: repeat(3, 44px) 1fr; gap: 3px 4px; align-items: center; }
.matrix-grid input { width: 100%; min-width: 0; padding: 3px 4px; text-align: center; font: var(--fs-xs) var(--font-mono); background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--r-sm); color: var(--fg-default); }
.matrix-grid .rbtn { grid-column: 4; grid-row: 1 / span 3; align-self: center; }
.panel-body .card-title { margin: 2px 0 4px; }
.panel-body .field.wrap { flex-wrap: wrap; row-gap: 4px; }
.panel-body .field.wrap .rbtn[style*="margin-left: auto"] { flex: 1 1 100%; margin-left: 0 !important; }
.panel-body .btn-row { flex-wrap: wrap; row-gap: 4px; }
/* Below ~1340 px the centred NEB pill would sit on the export row: lift it above. */
@media (max-width: 1340px) { #timeline { bottom: calc(var(--edge) + 2 * var(--bar-h) + 2 * var(--gap)); } }

/* Shortcuts card section headings */
.modal-body .help-h { font-size: var(--fs-xxs); text-transform: uppercase; letter-spacing: var(--track-caps); color: var(--fg-muted); margin: 12px 0 4px; }
.modal-body .help-h:first-of-type { margin-top: 4px; }
.modal-body ul { margin: 0; }

/* ============================================================
   USERS and CONSOLE workspaces (admins, phase 2.7)
   ============================================================ */
#users-view, #console-view, #compute-view {
  position: absolute; z-index: 25;
  left: var(--edge); right: var(--edge);
  top: calc(var(--edge) + var(--bar-h) + var(--gap)); bottom: calc(var(--edge) + var(--status-h) + var(--gap));   /* the status bar below (T57) */
  min-height: 0;
}
#users-view[hidden], #console-view[hidden], #compute-view[hidden] { display: none; }
#users-view { display: grid; grid-template-columns: 1fr minmax(280px, 340px); gap: var(--gap); }
#users-view .card, #console-view .card, #compute-view .card { min-height: 0; overflow: hidden; display: flex; flex-direction: column; }
#users-search { margin-left: auto; width: 220px; }
.tbl { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.tbl th, .tbl td { padding: 7px 10px; text-align: left; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
.tbl th { position: sticky; top: 0; background: var(--bg-surface); font-size: var(--fs-xxs); text-transform: uppercase; letter-spacing: var(--track-caps); color: var(--fg-muted); cursor: pointer; user-select: none; z-index: 1; }
.tbl th.sorted { color: var(--accent); }
.tbl th.num, .tbl td.num { text-align: right; font-family: var(--font-mono); }
.tbl tbody tr { cursor: pointer; }
.tbl tbody tr:hover { background: var(--bg-hover); }
.tbl tbody tr.active { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
.tbl tbody tr.disabled td { color: var(--fg-faint); }
.online-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); margin-right: 2px; vertical-align: middle; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 0; padding: 4px var(--sp-3) 10px; font-size: var(--fs-sm); }
.kv dt { color: var(--fg-muted); font-size: var(--fs-xxs); text-transform: uppercase; letter-spacing: var(--track-caps); padding-top: 2px; }
.kv dd { margin: 0; }
.user-actions { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px var(--sp-3); }
#user-body > .field { padding: 6px var(--sp-3); flex-wrap: wrap; }
#user-temp-pw { flex: 1 1 140px; min-width: 120px; }
#user-body > p, #user-body > .rbtn.danger { margin: 4px var(--sp-3) 10px; }
.rbtn.danger { color: var(--err); border-color: #fecaca; }
.rbtn.danger:hover { background: #fee2e2; }

/* console */
#console-view { display: flex; flex-direction: column; gap: var(--gap); }
.console-status { flex: 0 0 auto; display: flex; align-items: center; gap: var(--sp-4); padding: 10px var(--sp-3); flex-direction: row !important; flex-wrap: wrap; }
.status-item { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-sm); }
.status-item b { font-size: var(--fs-xxs); text-transform: uppercase; letter-spacing: var(--track-caps); color: var(--fg-muted); font-weight: 700; }
.status-item .txt { max-width: 34ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--fg-faint); flex: 0 0 auto; }
.dot.ok { background: var(--ok); } .dot.bad { background: var(--err); } .dot.warn { background: var(--warn); }
.console-grid { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: max-content; gap: var(--gap); align-content: start; overflow-y: auto; padding: 2px 2px 4px; }
.console-card.wide { grid-column: 1 / -1; }
#console-view .console-card { display: block; overflow: visible; min-height: 0; height: auto; }
.console-card > p.faint { margin: 0 var(--sp-3) 10px; font-size: var(--fs-xs); }
.kv-form { display: grid; grid-template-columns: max-content minmax(0, 1fr) minmax(0, 1fr); gap: 6px 12px; padding: 8px var(--sp-3); align-items: center; }
.kv-form .kv-row, .secrets .kv-row { display: contents; }
.kv-form .k, .secrets .k { font-size: var(--fs-xxs); text-transform: uppercase; letter-spacing: var(--track-caps); color: var(--fg-muted); font-weight: 600; }
.kv-form input[type=text], .kv-form select { width: 100%; min-width: 0; }
.kv-form .hint, .secrets .hint { font-size: var(--fs-xxs); color: var(--fg-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kv-form .fixed { font-size: var(--fs-xs); color: var(--fg-muted); }
.secrets { display: grid; grid-template-columns: max-content minmax(0, 1fr) minmax(0, 1fr); gap: 6px 12px; padding: 0 var(--sp-3) 8px; align-items: center; }
.secret { font-size: var(--fs-sm); }
.secret.set { color: var(--ok); } .secret.unset { color: var(--err); }
.admin-log { list-style: none; margin: 0; padding: 6px var(--sp-3) 10px; display: grid; gap: 4px; font-size: var(--fs-xs); max-height: 260px; overflow-y: auto; }
#pw-modal .err { color: var(--err); font-size: var(--fs-xs); min-height: 1.2em; margin: 4px 0; }
.secret-cell { display: flex; align-items: center; gap: 8px; min-width: 0; }
.secret-cell input { flex: 1 1 120px; min-width: 0; }
.secrets-row { padding: 0 var(--sp-3) 6px; align-items: center; }

/* Console terminals (T36) */
.term-card { display: flex; flex-direction: column; }
.term-card .card-head { gap: 10px; }
.term-card .term-state { font-size: var(--fs-xs); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1 1 auto; }
.term-host { height: 380px; margin: 0 var(--sp-3) var(--sp-3); padding: 6px 4px 4px 8px; border-radius: var(--r-sm); background: #0b1220; border: 1px solid #1e293b; overflow: hidden; }
.term-host .xterm { height: 100%; }
.term-host .xterm-viewport { background: transparent !important; }
.term-note { grid-column: 1 / -1; margin: 0 4px 6px; font-size: var(--fs-xs); }
@media (max-width: 1100px) { .term-card { grid-column: 1 / -1; } }

/* Compute tab (phase 3) */
#compute-view { display: flex; flex-direction: column; }
#compute-card { flex: 1 1 auto; }
#compute-card .card-head { gap: 12px; flex-wrap: wrap; }
#compute-card .card-head .job-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
#compute-bridge { font-size: var(--fs-xs); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 520px; }
#compute-table td.note { white-space: normal; max-width: 340px; color: var(--fg-muted); font-size: var(--fs-xs); }
#compute-table td.acts { display: flex; gap: 6px; flex-wrap: wrap; }
#compute-table td.acts .rbtn { padding: 3px 9px; font-size: var(--fs-xs); }
#compute-table .mono { font-family: var(--font-mono); font-size: var(--fs-xs); }
#compute-table:not(.everyone) .owner-col { display: none; }
.compute-empty { padding: 18px var(--sp-3); }
.compute-foot { display: flex; align-items: center; gap: 10px; padding: 8px var(--sp-3); border-top: 1px solid var(--border-soft); }
.compute-foot .rbtn { margin-left: auto; }
a.rbtn { text-decoration: none; display: inline-flex; align-items: center; }
.cfg-grid .cfg-ladder { grid-column: span 2; }
.cfg-ladder-note { font-size: var(--fs-xs); margin: 2px var(--sp-3) 4px; }

/* Compute ▸ Files viewer (phase 3, ladder) */
.files-modal { width: min(1100px, 94vw); max-width: none; height: min(780px, 88vh); display: flex; flex-direction: column; }
.files-modal .modal-head { gap: 12px; }
.files-modal .modal-head .job-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
#files-meta { font-size: var(--fs-xs); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.files-body { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; gap: 8px; }
.files-bar { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.files-pick { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-xs); color: var(--fg-muted); font-weight: 600; }
.files-pick select { font: var(--fs-xs) var(--font-mono); padding: 3px 8px; border-radius: var(--r-pill); border: 1px solid var(--border); background: var(--bg-input); color: var(--fg-default); }
.files-lines { margin-left: auto; }
.files-tabs { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; flex: 1 1 auto; }
.files-tabs .grp { display: inline-flex; gap: 4px; align-items: center; }
.files-tabs .grp-label { font-size: var(--fs-xxs); text-transform: uppercase; letter-spacing: var(--track-caps); color: var(--fg-muted); font-weight: 700; margin-right: 2px; }
.files-tabs button { border: 1px solid var(--border); background: transparent; border-radius: var(--r-pill); padding: 2px 10px; font-size: var(--fs-xs); cursor: pointer; color: var(--fg-default); font-family: var(--font-mono); }
.files-tabs button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.files-pre { flex: 1 1 auto; min-height: 0; overflow: auto; margin: 0; padding: 10px 12px; background: #0b1220; color: #e2e8f0; border-radius: var(--r-sm); font: 12px/1.45 var(--font-mono); white-space: pre; }
.files-note { margin: 0; font-size: var(--fs-xs); }

/* Console ▸ Portal ▸ Allow structure downloads off (attendees): the structure
   download buttons go. The server refuses the routes too, this only tidies the UI. */
body.no-download .dl-only { display: none !important; }

/* upload from the attendee's computer (2026-10-07): the drop sheet covers the list while a drag is over the pane */
#pane-files { position: relative; }
.upload-drop { position: absolute; inset: 0; z-index: 3; display: grid; place-items: center; text-align: center; padding: 20px;
  background: color-mix(in srgb, var(--accent-bg) 85%, transparent); border: 2px dashed var(--accent); border-radius: var(--r-lg);
  color: var(--accent); font-weight: 600; font-size: var(--fs-sm); pointer-events: none; }
.upload-drop[hidden] { display: none; }
#dir-upload[disabled] { opacity: .4; cursor: not-allowed; }

/* job kinds (decision 21): geometry optimisation or NEB */
.kind-pill { font: 700 var(--fs-xxs) var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase; padding: 2px 8px; border-radius: var(--r-pill); border: 1px solid var(--border); color: var(--fg-muted); background: var(--bg-surface); }
.kind-pill.neb { color: var(--ico-traj); border-color: color-mix(in srgb, var(--ico-traj) 40%, transparent); }
.kind-pill.mkm { color: var(--ico-mol); border-color: color-mix(in srgb, var(--ico-mol) 40%, transparent); }
.kind-pill[hidden], .neb-only[hidden], .mkm-only[hidden], .vasp-only[hidden], .newjob-geo-only[hidden], .newjob-vasp-only[hidden], .newjob-mkm-only[hidden] { display: none !important; }
.job-item-kind { font: 700 9px var(--font-ui); text-transform: uppercase; letter-spacing: .04em; color: var(--ico-traj); margin-right: 6px; }
.job-item-kind.mkm { color: var(--ico-mol); }
.slot-IMAGES-report { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: var(--fs-sm); }
.slot-IMAGES-report b { font-weight: 600; }

/* NEB barrier plot (Compute), 1 series: energy against image, the climbing image marked */
.neb-modal { width: min(760px, 94vw); }
.mkm-modal { width: min(880px, 94vw); }
.mkm-body { display: flex; flex-direction: column; gap: 10px; }
.mkm-figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); padding: 8px; }
.mkm-figure img { width: 100%; height: auto; max-height: min(62vh, 640px); object-fit: contain; display: block; image-rendering: auto; }
.mkm-figure img[src=""], .mkm-figure img:not([src]) { display: none; }
.mkm-figure figcaption { font-size: var(--fs-xs); color: var(--fg-muted); text-align: center; }
.mkm-modal .rbtn[aria-disabled="true"] { opacity: .45; pointer-events: none; }
.neb-body { display: flex; flex-direction: column; gap: 10px; }
.neb-plot { position: relative; width: 100%; }
.neb-plot svg { width: 100%; height: auto; display: block; font: 11px var(--font-ui); color: var(--fg-muted); }
.neb-plot .grid { stroke: var(--border); stroke-width: 1; }
.neb-plot .axis { stroke: var(--fg-faint); stroke-width: 1; }
.neb-plot .band { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; }
.neb-plot .pt { fill: var(--accent); stroke: var(--bg-surface); stroke-width: 2; cursor: pointer; }
.neb-plot .pt.top { fill: var(--warn); }
.neb-plot .pt.end { fill: var(--fg-muted); }
.neb-plot .hit { fill: transparent; cursor: pointer; }
.neb-plot text { fill: var(--fg-muted); }
.neb-plot .lbl { fill: var(--fg-default); font-weight: 600; }
.neb-tip { position: absolute; pointer-events: none; background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 4px 8px; font: var(--fs-xs) var(--font-mono); color: var(--fg-default); box-shadow: var(--shadow-sm); }
.neb-table td, .neb-table th { padding: 3px 8px; font-size: var(--fs-xs); }
.neb-table td.num { text-align: right; font-family: var(--font-mono); }