:root {
  --fg:         #1a1a1a;
  --muted:      #6b6b6b;
  --subtle:     #9a9a9a;
  --bg:         #fafaf8;
  --card:       #ffffff;
  --sidebar:    #f3f1ec;
  --user-bg:    #e8e4dc;
  --accent:     #b04a2c;
  --accent-bg:  #fef3ee;
  --accent-soft:#f4d5c5;
  --border:     #e2e2dc;
  --code-bg:    #f6f3ee;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--fg);
  display: flex; line-height: 1.55;
}

/* sidebar -------------------------------------------------- */
#sidebar {
  width: 280px; flex-shrink: 0;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 18px 14px;
  overflow-y: auto;
}
.brand { display: flex; gap: 10px; align-items: center; margin-bottom: 18px; }
.logo {
  width: 38px; height: 38px; border-radius: 8px;
  background: var(--accent); color: white;
  display: grid; place-items: center;
  font-weight: 600; font-size: 18px;
}
.brand-name { font-weight: 600; font-size: 16px; }
.brand-sub  { font-size: 11px; color: var(--muted); margin-top: -1px; }

#new-conv {
  width: 100%; padding: 9px; margin-bottom: 14px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 6px; cursor: pointer; font-size: 14px;
  font-family: inherit; color: var(--fg);
}
#new-conv:hover { background: var(--accent-bg); border-color: var(--accent-soft); }

.conv-list { flex: 1; overflow-y: auto; }
.conv-item {
  padding: 8px 10px; margin-bottom: 4px;
  border-radius: 6px; cursor: pointer;
}
.conv-item:hover { background: var(--card); }
.conv-item.active { background: var(--card); border: 1px solid var(--accent-soft); }
.conv-title {
  font-size: 13px; color: var(--fg);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.conv-date { font-size: 11px; color: var(--subtle); }

.sidebar-footer {
  font-size: 12px; color: var(--muted); padding-top: 14px;
  border-top: 1px solid var(--border); margin-top: auto;
}
.sidebar-link { color: var(--muted); text-decoration: none; }
.sidebar-link:hover { color: var(--accent); }

/* main pane ----------------------------------------------- */
#main {
  flex: 1; display: flex; flex-direction: column;
  height: 100vh; min-width: 0;
}
#chat {
  flex: 1; overflow-y: auto;
}

/* === LANDING (.empty state) ============================== */
#chat.empty { padding: 0; }
#chat.empty section { max-width: 880px; margin: 0 auto; padding: 0 32px; }

.hero {
  padding-top: 80px !important;
  padding-bottom: 12px !important;
  text-align: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid var(--accent-soft);
  padding: 4px 12px; border-radius: 12px;
  margin-bottom: 22px;
}
.hero-title {
  font-size: 36px; font-weight: 600; line-height: 1.18;
  letter-spacing: -0.018em;
  margin: 0 auto 18px;
  max-width: 720px;
}
.hero-sub {
  color: var(--muted); font-size: 16px; max-width: 640px;
  margin: 0 auto 0;
}

.examples-section {
  padding-top: 56px !important;
  padding-bottom: 24px !important;
}
.examples-header,
.capabilities-header,
.about-header {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--subtle); margin-bottom: 14px;
}
.examples-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.example-card {
  text-align: left;
  font: inherit; color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.12s, border-color 0.12s;
}
.example-card:hover {
  border-color: var(--accent-soft);
  box-shadow: 0 4px 14px rgba(176, 74, 44, 0.07);
  transform: translateY(-1px);
}
.example-tag {
  display: inline-block;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  padding: 2px 8px; border-radius: 8px;
  margin-bottom: 8px;
}
.example-text { font-size: 14px; line-height: 1.5; color: var(--fg); }

.capabilities {
  padding-top: 56px !important;
  padding-bottom: 24px !important;
}
.capabilities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.cap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}
.cap-stat {
  font-size: 26px; font-weight: 600; color: var(--accent);
  letter-spacing: -0.01em;
  font-feature-settings: "tnum";
}
.cap-label { font-size: 13px; color: var(--fg); margin-top: 2px; font-weight: 500; }
.cap-note  { font-size: 12px; color: var(--muted); margin-top: 6px; line-height: 1.55; }

.about {
  padding-top: 56px !important;
  padding-bottom: 96px !important;
}
.about-body { font-size: 14px; line-height: 1.65; color: var(--fg); max-width: 720px; }
.about-body p { margin: 0 0 12px; }
.about-body strong { color: var(--fg); }
.about-contact { color: var(--muted); }
.about-contact a { color: var(--accent); text-decoration: none; }
.about-contact a:hover { text-decoration: underline; }

/* === CHAT (non-empty state) ============================== */
#chat:not(.empty) { padding: 32px 0; }
.chat-inner { max-width: 760px; margin: 0 auto; padding: 0 28px; }

.msg { margin-bottom: 22px; max-width: 760px; margin-left: auto; margin-right: auto; padding: 0 28px; }
.msg-role {
  font-size: 11px; color: var(--muted); margin-bottom: 6px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.msg.user .msg-content {
  background: var(--user-bg);
  padding: 12px 16px; border-radius: 12px;
  white-space: pre-wrap; word-wrap: break-word;
  display: inline-block; max-width: 100%;
}
.msg.assistant .msg-content {
  white-space: pre-wrap; word-wrap: break-word;
}
.msg.assistant .msg-content p { margin: 0 0 10px; }
.msg.assistant .msg-content p:last-child { margin-bottom: 0; }
.msg-content code {
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  font-size: 0.92em; background: var(--code-bg);
  padding: 1px 5px; border-radius: 4px;
}

.tool-trace {
  margin: 8px 0; font-size: 12px;
  color: var(--muted); font-family: ui-monospace, SF Mono, Menlo, monospace;
}
.tool-trace .tc {
  display: inline-block;
  background: var(--accent-bg); color: var(--accent);
  border: 1px solid var(--accent-soft);
  border-radius: 10px;
  padding: 1px 8px; margin-right: 6px; margin-bottom: 4px;
}
.tool-trace .tc-pending {
  background: var(--card); color: var(--muted); border-color: var(--border);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1.0; }
}

.citations {
  margin-top: 10px; padding-top: 10px;
  border-top: 1px dashed var(--border); font-size: 12px;
}
.citations-label { color: var(--muted); margin-bottom: 4px; }
.citation a { color: var(--accent); text-decoration: none; }
.citation a:hover { text-decoration: underline; }

.thinking {
  color: var(--muted); font-style: italic;
}

.error {
  background: #fff0e8; border: 1px solid #f5c2a8;
  color: #9c2a07; padding: 10px 14px; border-radius: 8px;
  font-size: 13px;
}

/* composer ------------------------------------------------ */
#composer {
  border-top: 1px solid var(--border);
  background: var(--card);
  padding: 16px 28px;
  display: flex; gap: 8px; align-items: flex-end;
  max-width: 760px; margin: 0 auto; width: 100%;
}
#input {
  flex: 1; resize: none;
  font-family: inherit; font-size: 15px;
  padding: 10px 14px;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg); color: var(--fg);
  max-height: 200px; overflow-y: auto;
}
#input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
#send {
  width: 38px; height: 38px;
  background: var(--accent); color: white;
  border: none; border-radius: 10px;
  font-size: 20px; cursor: pointer; flex-shrink: 0;
}
#send:hover { background: #8d3a22; }
#send:disabled { background: var(--subtle); cursor: not-allowed; }

@media (max-width: 720px) {
  #sidebar { display: none; }
  .hero-title { font-size: 28px; }
  .examples-grid, .capabilities-grid { grid-template-columns: 1fr; }
}

/* ============ Structure modal ============ */
.citation a {
  cursor: pointer;
}
.citation a.candidate-link {
  background: var(--accent-bg);
  border: 1px solid var(--accent-soft);
  border-radius: 6px;
  padding: 2px 7px;
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  display: inline-block;
}
.citation a.candidate-link:hover {
  background: var(--accent);
  color: white;
  text-decoration: none;
}

.modal {
  position: fixed; inset: 0;
  display: grid; place-items: center;
  z-index: 50;
}
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(20, 20, 18, 0.55);
  backdrop-filter: blur(2px);
}
.modal-panel {
  position: relative;
  background: var(--card);
  border-radius: 14px;
  width: min(640px, 92vw);
  max-height: 90vh;
  display: flex; flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.modal-close {
  position: absolute; top: 10px; right: 12px;
  background: transparent; border: none;
  font-size: 22px; color: var(--muted);
  cursor: pointer;
  padding: 4px 10px;
  z-index: 1;
}
.modal-close:hover { color: var(--fg); }
.modal-head {
  padding: 20px 24px 12px;
  border-bottom: 1px solid var(--border);
}
.modal-formula {
  font-size: 22px; font-weight: 600;
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  color: var(--fg);
}
.modal-sub {
  font-size: 12px; color: var(--muted); margin-top: 4px;
}
.modal-viewer {
  width: 100%; height: 360px;
  background: #f3efe6;
  position: relative;
}
.modal-meta {
  padding: 14px 24px 20px;
  font-size: 12px; color: var(--muted);
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  line-height: 1.6;
  background: var(--bg);
}
.modal-meta b { color: var(--fg); font-weight: 500; }

/* ============ Rich citation cards ============ */
.citations {
  display: flex; flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}
.citations-label {
  font-size: 11px; color: var(--subtle);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 2px;
}
.cit-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.45;
}
.cit-card:hover {
  border-color: var(--accent-soft);
}
.cit-title {
  display: block;
  font-weight: 500;
  color: var(--fg);
  text-decoration: none;
  margin-bottom: 4px;
}
.cit-title:hover { color: var(--accent); }
.cit-meta {
  font-size: 12px; color: var(--muted);
}
.cit-meta i { font-style: italic; color: var(--muted); }
.cit-venue {
  font-size: 11px; color: var(--subtle); margin-top: 3px;
  font-style: italic;
}
.cit-plain { font-size: 12px; }
.cit-plain a { color: var(--accent); text-decoration: none; word-break: break-all; }

.cit-candidate { padding: 12px 14px; }
.cit-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 4px;
}
.cit-formula {
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  font-size: 15px; font-weight: 500; color: var(--fg);
}
.cit-formula sub { font-size: 0.7em; vertical-align: 0; line-height: 0; }
.cit-view {
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 11px; font-family: inherit;
  cursor: pointer;
  flex-shrink: 0;
}
.cit-view:hover {
  background: var(--accent); color: white;
}
.cit-id {
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  color: var(--subtle); font-size: 11px; margin-left: 4px;
}

/* ============ Inline hull plot card ============ */
.hull-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 14px 0;
  overflow: hidden;
}
.hull-head {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.hull-title {
  font-size: 14px; font-weight: 600;
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  color: var(--accent);
}
.hull-sub {
  font-size: 11px; color: var(--muted); margin-top: 3px;
}
.hull-plot {
  width: 100%; padding: 8px 0;
}
.hullplot-fallback {
  padding: 16px; color: var(--muted); font-size: 12px; text-align: center;
}

/* ============ markdown-rendered assistant content ============ */
.msg.assistant .msg-content h1, .msg.assistant .msg-content h2,
.msg.assistant .msg-content h3, .msg.assistant .msg-content h4 {
  margin: 16px 0 8px; font-weight: 600; line-height: 1.3;
}
.msg.assistant .msg-content h1 { font-size: 19px; }
.msg.assistant .msg-content h2 { font-size: 17px; }
.msg.assistant .msg-content h3 { font-size: 15px; color: var(--accent); }
.msg.assistant .msg-content h4 { font-size: 14px; }
.msg.assistant .msg-content strong { font-weight: 600; color: var(--fg); }
.msg.assistant .msg-content em     { font-style: italic; }
.msg.assistant .msg-content ul, .msg.assistant .msg-content ol {
  margin: 8px 0; padding-left: 22px;
}
.msg.assistant .msg-content li     { margin: 3px 0; }
.msg.assistant .msg-content a      { color: var(--accent); text-decoration: none; border-bottom: 1px dotted var(--accent-soft); }
.msg.assistant .msg-content a:hover{ border-bottom-style: solid; }
.msg.assistant .msg-content hr {
  border: none; border-top: 1px solid var(--border); margin: 16px 0;
}
.msg.assistant .msg-content blockquote {
  border-left: 3px solid var(--accent-soft);
  padding-left: 12px; margin: 8px 0; color: var(--muted);
}
.msg.assistant .msg-content pre {
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 14px;
  overflow-x: auto; font-size: 12.5px;
}
.msg.assistant .msg-content pre code { background: transparent; padding: 0; }

/* Tables — the LLM produces these a lot */
.msg.assistant .msg-content table {
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 13px;
  width: 100%;
}
.msg.assistant .msg-content th,
.msg.assistant .msg-content td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
  vertical-align: top;
}
.msg.assistant .msg-content th {
  background: var(--bg);
  font-weight: 600;
}
.msg.assistant .msg-content tr:nth-child(even) td { background: var(--bg); }

/* ============ inline crystal structure card ============ */
.structure-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 14px 0;
  overflow: hidden;
}
.structure-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px 4px;
}
.structure-formula {
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  font-size: 18px; font-weight: 600;
  color: var(--accent);
}
.structure-formula sub { font-size: 0.7em; vertical-align: 0; line-height: 0; }
.structure-expand {
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 11px; font-family: inherit;
  cursor: pointer;
}
.structure-expand:hover { background: var(--accent); color: white; }
.structure-meta {
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  font-size: 11px; color: var(--muted);
  padding: 0 16px 8px;
}
.structure-viewer {
  width: 100%; height: 320px;
  background: #f3efe6;
  position: relative;
}


.msg-extras { display: block; }
.msg-extras:empty { display: none; }

/* ============ Read-only shared conversation view ============ */
body.read-only #sidebar  { display: none; }
body.read-only #composer { display: none; }
body.read-only #chat     { padding-top: 0; }

.shared-banner {
  background: var(--accent-bg);
  border-bottom: 1px solid var(--accent-soft);
  padding: 10px 28px;
  font-size: 13px;
  display: flex; align-items: center; justify-content: space-between;
  color: var(--accent);
  flex-shrink: 0;
}
.shared-banner .shared-cta {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px dotted var(--accent-soft);
}
.shared-banner .shared-cta:hover { border-bottom-style: solid; }

/* ============ Share button in sidebar ============ */
.conv-item {
  position: relative;
}
/* toast for "copied" */
.toast {
  position: fixed;
  bottom: 90px; left: 50%; transform: translateX(-50%);
  background: var(--fg); color: white;
  padding: 8px 16px; border-radius: 8px;
  font-size: 13px;
  z-index: 100;
  animation: toast-in 0.18s ease, toast-out 0.3s ease 2.0s forwards;
}
@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 6px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}
@keyframes toast-out {
  to { opacity: 0; }
}


/* ============ Three-dots conversation menu ============ */
.conv-item { position: relative; }
.conv-item .conv-menu {
  position: absolute;
  top: 4px; right: 4px;
  width: 22px; height: 22px;
  display: none;
  align-items: center; justify-content: center;
  background: transparent;
  color: var(--muted);
  border: none;
  border-radius: 4px;
  font-size: 16px; line-height: 1; padding: 0;
  cursor: pointer;
  font-family: inherit;
}
.conv-item:hover .conv-menu,
.conv-item.active .conv-menu { display: inline-flex; }
.conv-menu:hover { background: var(--accent-bg); color: var(--accent); }

.conv-menu-popover {
  position: fixed;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.10);
  padding: 4px;
  min-width: 180px;
  z-index: 60;
}
.conv-menu-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%;
  background: transparent;
  border: none;
  padding: 7px 10px;
  font-size: 13px; font-family: inherit; color: var(--fg);
  cursor: pointer;
  text-align: left;
  border-radius: 5px;
}
.conv-menu-item:hover { background: var(--accent-bg); color: var(--accent); }
.conv-menu-item.conv-menu-danger:hover { background: #fff0e8; color: #9c2a07; }
.conv-menu-icon { font-size: 13px; width: 14px; text-align: center; }


.math-block { margin: 10px 0; text-align: center; overflow-x: auto; }


/* ============ Researcher / lineage graph card ============ */
.graph-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 14px 0;
  overflow: hidden;
}
.graph-head {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.graph-title {
  font-size: 14px; font-weight: 600;
  color: var(--accent);
}
.graph-sub {
  font-size: 11px; color: var(--muted); margin-top: 3px;
}
.graph-canvas {
  width: 100%; height: 440px;
  background: white;
  position: relative;
}

/* ============ Multi-candidate comparison grid ============ */
.cmp-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; margin: 14px 0; overflow: hidden; }
.cmp-head { padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--bg); font-size: 12px; color: var(--muted); }
.cmp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; padding: 14px; }
.cmp-cell { border: 1px solid var(--border); border-radius: 8px; padding: 12px; cursor: pointer; transition: border-color 0.12s, box-shadow 0.12s; }
.cmp-cell:hover { border-color: var(--accent-soft); box-shadow: 0 2px 10px rgba(176,74,44,0.07); }
.cmp-formula { font-family: ui-monospace, SF Mono, Menlo, monospace; font-size: 15px; font-weight: 600; color: var(--accent); margin-bottom: 6px; }
.cmp-formula sub { font-size: 0.7em; vertical-align: 0; line-height: 0; }
.cmp-meta { display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--muted); }
.cmp-view { margin-top: 8px; background: var(--accent-bg); color: var(--accent); border: 1px solid var(--accent-soft); border-radius: 6px; padding: 3px 8px; font-size: 11px; font-family: inherit; cursor: pointer; width: 100%; }
.cmp-view:hover { background: var(--accent); color: #fff; }

/* ============ Analyze-document modal + result card ============ */
#analyze-doc {
  width: 38px; height: 38px; flex-shrink: 0;
  background: var(--bg); color: var(--muted);
  border: 1px solid var(--border); border-radius: 10px;
  font-size: 17px; cursor: pointer;
}
#analyze-doc:hover { background: var(--accent-bg); color: var(--accent); border-color: var(--accent-soft); }

.extract-body { padding: 4px 24px 22px; }
#extract-text {
  width: 100%; font-family: inherit; font-size: 14px;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--fg); resize: vertical;
}
.extract-or { text-align: center; color: var(--subtle); font-size: 12px; margin: 10px 0; }
.extract-file-label {
  display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted);
}
.extract-actions { margin-top: 16px; display: flex; align-items: center; gap: 12px; }
#extract-submit {
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 9px 18px; font-size: 14px; font-family: inherit; cursor: pointer;
}
#extract-submit:hover { background: #8d3a22; }
#extract-submit:disabled { background: var(--subtle); cursor: not-allowed; }
#extract-status { font-size: 12px; color: var(--muted); }

.x-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; }
.x-title { font-size: 14px; font-weight: 600; margin-bottom: 12px; line-height: 1.4; }
.x-sec { margin-bottom: 14px; }
.x-sec:last-child { margin-bottom: 0; }
.x-sec-label { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--subtle); margin-bottom: 6px; }
.x-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.x-badge {
  font-family: ui-monospace, SF Mono, Menlo, monospace; font-size: 12px;
  background: var(--accent-bg); color: var(--accent);
  border: 1px solid var(--accent-soft); border-radius: 10px; padding: 2px 9px;
}
.x-badge sub { font-size: 0.7em; vertical-align: 0; }
.x-list { margin: 0; padding-left: 20px; font-size: 13px; }
.x-list li { margin: 2px 0; }
.x-dim { color: var(--muted); font-size: 0.92em; }
.x-prop { margin-bottom: 8px; }
.x-prop-head { font-size: 13px; }
.x-span { font-size: 12px; color: var(--muted); font-style: italic; margin-top: 2px; padding-left: 10px; border-left: 2px solid var(--accent-soft); }
