/* ---------- Design tokens (digitalmetalio look-and-feel) ---------- */
:root {
  --bg:        #ffffff;
  --panel:     #ffffff;
  --panel-2:   #F8FAFB;          /* dm light-grey */
  --line:      rgba(0,0,0,0.12);
  --line-soft: rgba(0,0,0,0.06);
  --text:      #0a0a0a;
  --muted:     rgba(0,0,0,0.64);  /* matches dm text-black/[0.64] */
  --muted-2:   rgba(0,0,0,0.45);  /* tertiary, never primary copy */
  --accent:    #6FD0FF;          /* dm accent */
  --accent-2:  #000000;          /* primary CTA */
  --warn:      #ffdd6f;
  --warn-fg:   #6b4f00;
  --pass:      #46b86e;
  --pass-fg:   #1e6f3a;
  --danger:    #ff4545;
  --danger-fg: #b21f1f;

  --ribbon-h:  78px;
  --sidebar-w: 340px;
  --features-h: 35%;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 var(--font-sans);
  letter-spacing: -0.32px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: grid;
  grid-template-rows: var(--ribbon-h) 1fr;
  height: 100vh;
}

/* ---------- Ribbon ---------- */
#ribbon {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: stretch;
  padding: 0 8px;
  gap: 0;
  position: relative;
  z-index: 20;
}

.ribbon-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 0 12px;
  font: 600 14px/1 var(--font-mono);
  letter-spacing: -0.28px;
  text-transform: uppercase;
  color: var(--text);
  border-right: 1px solid var(--line);
  margin-right: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.12s;
}
.ribbon-brand:hover { opacity: 0.7; }
.ribbon-brand:visited { color: var(--text); }
.ribbon-logo {
  display: block;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.ribbon-spacer { flex: 1; }

.ribbon-status {
  display: flex;
  align-items: center;
  padding: 0 14px;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: -0.11px;
  text-transform: uppercase;
  color: var(--muted);
  border-left: 1px solid var(--line);
  min-width: 0;
  max-width: 360px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ribbon-status b { color: var(--text); font-weight: 600; }

.ribbon-group {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border-right: 1px solid var(--line);
  padding: 4px 8px 4px;
  position: relative;
}

.ribbon-buttons {
  display: flex;
  gap: 2px;
  flex: 1;
  align-items: stretch;
}

.ribbon-group-label {
  font: 500 10px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.1px;
  color: var(--muted);
  text-align: center;
  padding: 4px 4px 0;
}

.ribbon-btn {
  background: transparent;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 0;
  padding: 4px 12px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  font-family: var(--font-mono);
  font-weight: 500;
  cursor: pointer;
  min-width: 64px;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.ribbon-btn:hover:not(:disabled) {
  background: rgba(0,0,0,0.05);
  border-color: var(--line);
}

.ribbon-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.ribbon-btn svg {
  width: 24px;
  height: 24px;
  color: var(--text);
}

.ribbon-btn span {
  font: 500 11px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.22px;
  color: var(--text);
  white-space: nowrap;
}

/* `.active` MUST win over `[aria-expanded="true"]`: the DFM button can be
   both at once (popover open + DFM-active state). The attribute selector
   would otherwise outrank the class selector and leave white text on a
   light-grey background — illegible. */
.ribbon-btn.has-popover[aria-expanded="true"]:not(.active) {
  background: var(--panel-2);
  border-color: var(--line);
}

/* External-link ribbon buttons reuse the same look but render as <a>.
   Override default link styling so they match the button group exactly. */
.ribbon-btn-link,
.ribbon-btn-link:link,
.ribbon-btn-link:visited {
  text-decoration: none;
  color: var(--text);
}

.ribbon-btn.active:not(:disabled) {
  background: var(--accent-2);
  border-color: var(--accent-2);
}
.ribbon-btn.active svg,
.ribbon-btn.active span { color: #ffffff; }

/* ---------- Popovers ---------- */
.ribbon-popover {
  position: absolute;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 14px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 240px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.04);
}

.ribbon-popover--wide { min-width: 360px; }

.ribbon-popover[hidden] { display: none; }

.popover-close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 0;
  width: 24px;
  height: 24px;
  padding: 0;
  font-size: 16px;
  font-weight: 400;
  line-height: 1;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.popover-close:hover {
  background: rgba(0,0,0,0.05);
  color: var(--text);
}

.ribbon-popover h3 {
  margin: 0 0 4px;
  font: 500 14px/1.2 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.28px;
  color: var(--text);
}

.popover-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: -0.11px;
  text-transform: uppercase;
  color: var(--muted);
}

#import-popover {
  top: calc(var(--ribbon-h) + 4px);
}

#dfm-popover {
  top: calc(var(--ribbon-h) - 4px);
  left: 0;
}

/* ---------- Workarea ---------- */
#workarea {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 0;
  position: relative;
  background: var(--panel-2);
}

#workarea.collapsed {
  /* Collapsing the sidebar drops it out of the grid (display:none below)
     and the reopen button is position:absolute. Both leave only #viewport
     participating in normal flow; with two grid tracks it would land in
     the 0-width first track and disappear. Collapse to a single track
     so the viewport always fills the row. */
  grid-template-columns: 1fr;
}

/* ---------- Sidebar ---------- */
#sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  min-width: 0;
}

#workarea.collapsed #sidebar { display: none; }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  flex-shrink: 0;
}
.sidebar-title {
  font: 500 11px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.11px;
  color: var(--muted);
}

.sidebar-collapse, #sidebar-reopen {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 0;
  padding: 2px 8px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.12s;
}
.sidebar-collapse:hover, #sidebar-reopen:hover {
  background: rgba(0,0,0,0.05);
}

#sidebar-reopen {
  position: absolute;
  left: 8px;
  top: 8px;
  z-index: 10;
  background: var(--panel);
  font-weight: 600;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--line);
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1 1 0;
  overflow: hidden;
}

.sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px 8px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
  background: var(--panel);
}

/* Inner content blocks let their flex parent (.sidebar-section-body) own
   scroll. min-height: 0 keeps a flex-column descendant from forcing the
   parent to grow past the section's allotted height. */
#feature-list,
#module-rules { min-height: 0; flex: 0 0 auto; }

.sidebar-section-header h2 {
  margin: 0;
  font: 500 11px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.11px;
  color: var(--muted);
}

.sidebar-section-body {
  flex: 1 1 0;
  overflow: auto;
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  background: var(--panel);
}

/* Rules dominates by default; user can drag the divider to rebalance. */
#rules-section    { flex: 2 2 0; min-height: 120px; }
#features-section { flex: 1 1 0; min-height: 120px; }
#features-section[hidden] { display: none; }
#rules-section[hidden] { display: none; }

.sidebar-row-resize {
  height: 4px;
  background: var(--line-soft);
  cursor: ns-resize;
  flex-shrink: 0;
}
.sidebar-row-resize:hover { background: var(--accent); }

.sidebar-resize {
  position: absolute;
  right: -3px;
  top: 0;
  width: 6px;
  height: 100%;
  cursor: ew-resize;
  z-index: 10;
}
.sidebar-resize:hover { background: rgba(111, 208, 255, 0.35); }

body.resizing { cursor: ew-resize !important; user-select: none; }
body.resizing-row { cursor: ns-resize !important; user-select: none; }

/* ---------- Form / common ---------- */
.muted { color: var(--muted); }
.small { font-size: 11px; letter-spacing: -0.11px; }

#upload-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input[type="file"] {
  font: 500 12px/1.2 var(--font-mono);
  letter-spacing: -0.12px;
  color: var(--muted);
  padding: 8px 0;
}

input[type="number"], input[type="search"] {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 0;
  font: 400 14px/1.4 var(--font-sans);
  letter-spacing: -0.28px;
  width: 100%;
  outline: none;
  transition: border-color 0.12s;
}
input[type="number"]:focus, input[type="search"]:focus {
  border-color: var(--text);
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: -0.11px;
  text-transform: uppercase;
  color: var(--muted);
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

button {
  background: var(--accent-2);
  color: #ffffff;
  border: 1px solid var(--accent-2);
  padding: 10px 14px;
  border-radius: 0;
  font: 500 14px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.28px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

button:hover:not(:disabled) {
  background: rgba(0,0,0,0.85);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

select {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 0;
  font: 400 14px/1.4 var(--font-sans);
  letter-spacing: -0.28px;
  width: 100%;
  outline: none;
  cursor: pointer;
  transition: border-color 0.12s;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%230a0a0a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}
select:focus { border-color: var(--text); }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}
.tag {
  font: 500 10px/1.2 var(--font-mono);
  letter-spacing: -0.1px;
  text-transform: uppercase;
  padding: 3px 6px;
  border-radius: 0;
  border: 1px solid transparent;
}
.tag.undercut  { background: rgba(255, 69, 69, 0.10);  color: #c41e1e; border-color: rgba(255, 69, 69, 0.30); }
.tag.low_draft { background: rgba(255, 221, 111, 0.30); color: #8a6700; border-color: rgba(255, 180, 0, 0.40); }
.tag.pocket    { background: rgba(0, 0, 0, 0.05);       color: var(--text); border-color: var(--line); }
.tag.pass      { background: rgba(34, 167, 80, 0.10);  color: #1f7a3d; border-color: rgba(34, 167, 80, 0.35); }
.tag.warning   { background: rgba(255, 221, 111, 0.30); color: #8a6700; border-color: rgba(255, 180, 0, 0.40); }
.tag.fail      { background: rgba(255, 69, 69, 0.10);  color: #c41e1e; border-color: rgba(255, 69, 69, 0.30); }

.checkrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: -0.11px;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
}
.checkrow input { margin: 0; accent-color: var(--accent-2); }
.checkrow-tight { gap: 5px; font-size: 10px; }
.checkrow-tight input { width: 12px; height: 12px; }

#module-summary {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}
#module-summary .verdict {
  font: 700 10px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.1px;
  padding: 4px 8px;
  border-radius: 0;
  border: 1px solid transparent;
}
#module-summary .verdict.pass    { background: var(--pass);   color: #ffffff; border-color: var(--pass); }
#module-summary .verdict.warning { background: var(--warn);   color: var(--warn-fg); border-color: rgba(180, 130, 0, 0.6); }
#module-summary .verdict.fail    { background: var(--danger); color: #ffffff; border-color: var(--danger); }
#module-summary .counts { color: var(--muted); font: 500 11px/1 var(--font-mono); letter-spacing: -0.11px; display: inline-flex; gap: 4px; }

#module-rules {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Each rule card carries a left severity stripe so triage works at a glance.
   Clickable; a subtle hover state signals you can scope highlights to it. */
.module-rule {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 0;
  padding: 10px 12px 10px 16px;
  transition: border-color 0.12s, background 0.12s;
}
.module-rule::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--muted-2);
}
.module-rule.sev-pass::before    { background: var(--pass); }
.module-rule.sev-warning::before { background: #d49b00; }
.module-rule.sev-fail::before    { background: var(--danger); }
.module-rule:hover { background: rgba(0,0,0,0.025); border-color: rgba(0,0,0,0.25); }
.module-rule.selected {
  border-color: var(--accent-2);
  background: rgba(111,208,255,0.08);
  box-shadow: inset 0 0 0 1px var(--accent-2);
}
.module-rule .row1 {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}
.module-rule .name {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: -0.26px;
  color: var(--text);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.module-rule .rule-sev {
  font: 700 10px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.1px;
  padding: 4px 7px;
  border: 1px solid transparent;
  flex-shrink: 0;
}
.module-rule .rule-sev.sev-pass    { background: var(--pass);   color: #ffffff; border-color: var(--pass); }
.module-rule .rule-sev.sev-warning { background: var(--warn);   color: var(--warn-fg); border-color: rgba(180, 130, 0, 0.6); }
.module-rule .rule-sev.sev-fail    { background: var(--danger); color: #ffffff; border-color: var(--danger); }
.module-rule .rule-counts {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: -0.11px;
  color: var(--muted);
  flex-shrink: 0;
}
.module-rule .desc {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: -0.24px;
  margin-top: 6px;
}
.module-rule .findings {
  display: none;
  margin-top: 8px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
  /* No per-card scroll — let the outer .sidebar-section-body own scroll
     so the user has a single, predictable scrollbar across all rules. */
}
.module-rule.open .findings { display: block; }
.module-rule .finding {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 5px 6px;
  margin: 0 -6px 2px;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: -0.24px;
  color: var(--text);
  border: 1px solid transparent;
}
.module-rule .finding[data-fid] { cursor: pointer; }
.module-rule .finding[data-fid]:hover {
  background: rgba(0,0,0,0.04);
  border-color: var(--line);
}
.module-rule .finding b {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: -0.11px;
  color: var(--text);
  font-weight: 600;
}
.module-rule .finding .finding-msg { color: var(--muted); flex: 1; }
.module-rule .finding-sev {
  font: 700 9px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.09px;
  padding: 2px 5px;
  border: 1px solid transparent;
  flex-shrink: 0;
}
.module-rule .finding-sev.sev-pass    { background: var(--pass);   color: #ffffff; border-color: var(--pass); }
.module-rule .finding-sev.sev-warning { background: var(--warn);   color: var(--warn-fg); border-color: rgba(180, 130, 0, 0.6); }
.module-rule .finding-sev.sev-fail    { background: var(--danger); color: #ffffff; border-color: var(--danger); }
.module-rule .toggle {
  background: transparent;
  color: var(--muted);
  font: 500 10px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.1px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.module-rule .toggle:hover { background: rgba(0,0,0,0.05); color: var(--text); }

#job-status {
  margin-top: 8px;
  min-height: 14px;
  font: 500 11px/1.3 var(--font-mono);
  letter-spacing: -0.11px;
  text-transform: uppercase;
  color: var(--muted);
}

.log {
  margin: 8px 0 0;
  max-height: 100px;
  overflow: auto;
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 8px 10px;
  border-radius: 0;
  font: 400 11px/1.4 var(--font-mono);
  letter-spacing: -0.11px;
  color: var(--muted);
  white-space: pre-wrap;
  display: none;
}

.log.show { display: block; }

#feature-list {
  /* Outer .sidebar-section-body is the scroll container; this block
     just lays out the feature rows. */
}

.feature {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 0;
  padding: 10px 12px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, box-shadow 0.12s;
}

.feature:hover {
  border-color: rgba(0,0,0,0.30);
  background: var(--panel-2);
}

.feature.selected {
  border-color: var(--accent-2);
  background: var(--panel);
  box-shadow: inset 3px 0 0 0 var(--accent);
}

.feature.synthetic {
  border-style: dashed;
  background: transparent;
}
.feature.synthetic .role { color: var(--muted); font-weight: 500; }

.feature .row1 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.swatch {
  width: 10px;
  height: 10px;
  border-radius: 0;
  flex-shrink: 0;
  border: 1px solid rgba(0,0,0,0.20);
}

.feature .role {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: -0.26px;
  color: var(--text);
}

.feature .fid {
  margin-left: auto;
  color: var(--muted);
  font: 500 10px/1 var(--font-mono);
  letter-spacing: -0.1px;
  text-transform: uppercase;
}

.feature .summary {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: -0.24px;
}

.feature .meta {
  font: 500 10px/1.3 var(--font-mono);
  letter-spacing: -0.1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 6px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.feature .meta b { color: var(--text); font-weight: 600; }

#viewport {
  position: relative;
  min-width: 0;
  background: var(--panel-2);
}

#viewport canvas {
  display: block;
}

#hud {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.18);
  padding: 8px 12px;
  border-radius: 0;
  font: 500 11px/1.4 var(--font-mono);
  letter-spacing: -0.11px;
  text-transform: uppercase;
  color: var(--muted);
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
#hud b { color: var(--text); font-weight: 700; }

#legend {
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.18);
  padding: 12px 14px;
  border-radius: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 70vh;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

#legend-title {
  font: 600 10px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.1px;
  color: var(--text);
  text-align: center;
}

#legend-body { display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }

.legend-bar {
  position: relative;
  display: flex;
  flex-direction: row;
  gap: 8px;
  align-items: stretch;
}

.legend-bar canvas,
.legend-bar .legend-gradient {
  display: block;
  width: 14px;
  height: 240px;
  background: var(--panel-2);
  flex-shrink: 0;
  /* outline draws a hairline frame without consuming layout space, so the
     bar's pixel content aligns 1:1 with the tick column next to it. */
  outline: 1px solid var(--line);
}

.legend-gradient {
  position: relative;
}

.legend-gradient-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  pointer-events: none;
}

.legend-bar .legend-ticks {
  position: relative;
  width: auto;
  min-width: 24px;
  font: 500 10px/1 var(--font-mono);
  letter-spacing: -0.1px;
  color: var(--muted);
}

.legend-bar .legend-ticks span {
  position: absolute;
  left: 0;
  transform: translateY(-50%);
  white-space: nowrap;
}

.legend-note {
  font: 500 10px/1.5 var(--font-mono);
  letter-spacing: -0.1px;
  color: var(--muted);
  max-width: 180px;
  margin-top: 2px;
}
.legend-note b { color: var(--text); font-weight: 700; }

.arrow-legend {
  border-top: 1px solid var(--line);
  padding-top: 8px;
  margin-top: 4px;
  font: 500 10px/1.5 var(--font-mono);
  letter-spacing: -0.1px;
  color: var(--muted);
}
.arrow-legend > div { display: flex; align-items: center; gap: 6px; }
.arrow-legend b { color: var(--text); font-weight: 700; }
.arrow-legend-title {
  font: 600 10px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.1px;
  color: var(--text);
  margin-bottom: 4px;
}
.pull-banner-sub {
  font-size: 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: -0.1px;
}

.legend-roles {
  display: grid;
  grid-template-columns: 12px auto;
  gap: 4px 8px;
  align-items: center;
  font: 500 11px/1.2 var(--font-mono);
  letter-spacing: -0.11px;
  text-transform: uppercase;
  color: var(--text);
  max-height: 50vh;
  overflow-y: auto;
  padding-right: 4px;
}

.legend-roles .swatch { width: 12px; height: 12px; border-radius: 0; border: 1px solid rgba(0,0,0,0.15); }

#tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(10,10,10,0.95);
  border: 1px solid rgba(0,0,0,0.4);
  padding: 6px 10px;
  border-radius: 0;
  font: 500 11px/1.4 var(--font-mono);
  letter-spacing: -0.11px;
  color: #ffffff;
  white-space: nowrap;
  z-index: 10;
}

#tooltip b { color: var(--accent); font-weight: 600; }
#tooltip .tooltip-fid { color: rgba(255,255,255,0.55); font-size: 10px; }

/* ---------- Pull-direction picker ---------- */
.popover-action {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 10px 12px;
  border-radius: 0;
  font: 500 12px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.24px;
  text-align: left;
  cursor: pointer;
  width: 100%;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.popover-action:hover {
  background: var(--accent-2);
  color: #ffffff;
  border-color: var(--accent-2);
}

.pull-banner {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--accent-2);
  border-left: 3px solid var(--accent);
  padding: 12px 14px;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12px;
  color: var(--text);
  z-index: 15;
  max-width: 320px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.04);
}
.pull-banner[hidden] { display: none; }

.pull-banner-msg { color: var(--muted); line-height: 1.4; font-size: 12px; letter-spacing: -0.24px; }
.pull-banner-msg b {
  color: var(--text);
  font: 600 12px/1 var(--font-mono);
  letter-spacing: -0.12px;
  text-transform: uppercase;
}

.pull-banner-axes {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
}
.pull-banner-axes button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  font: 600 11px/1 var(--font-mono);
  letter-spacing: -0.11px;
  padding: 6px 0;
  border-radius: 0;
}
.pull-banner-axes button:hover {
  background: var(--accent-2);
  color: #ffffff;
  border-color: var(--accent-2);
}

.pull-banner-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}
.pull-banner-actions button {
  font-size: 11px;
  padding: 6px 12px;
  letter-spacing: -0.11px;
}
.pull-banner-actions button.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}
.pull-banner-actions button.ghost:hover {
  background: rgba(0,0,0,0.05);
  border-color: rgba(0,0,0,0.25);
  color: var(--text);
}

#viewport.picking canvas { cursor: crosshair; }

/* ---------- Scrollbars ---------- */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border: 2px solid transparent; background-clip: padding-box; border-radius: 0; }
*::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.30); border: 2px solid transparent; background-clip: padding-box; }

/* ---------- Focus ring ---------- */
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}