/* ==================== UNIVERSAL FEATURES (Phase 0) — NEON GLITCH CYBERPUNK ====================
   5 features: search bar, ⌘K palette, prompt input, activity timeline, export menu.
   Visual language: scanlines, glitch text-shadow, magenta/cyan neon glow, dark base.
   Reuses --magenta / --cyan / --glow-mag / --glow-cyan tokens from :root.
   =============================================================================================== */

/* ---------- glitch keyframes (scoped to UF elements) ---------- */
@keyframes uf-cy-glitch {
  0%, 100% { transform: translate(0,0); text-shadow: 0 0 6px var(--cyan), 0 0 14px rgba(0,229,255,0.4); }
  20%      { transform: translate(-1px, 0); text-shadow: -1.5px 0 var(--magenta), 1.5px 0 var(--cyan), 0 0 14px var(--cyan); }
  40%      { transform: translate(1px, -1px); text-shadow: 1.5px 0 var(--magenta), -1.5px 0 var(--cyan), 0 0 14px var(--magenta); }
  60%      { transform: translate(-1px, 1px); }
  80%      { transform: translate(1px, 0); }
}
@keyframes uf-cy-glitch-border {
  0%, 100% { box-shadow: var(--glow-cyan), inset 0 0 0 1px var(--border-cyan); }
  25%      { box-shadow: var(--glow-mag),  inset 0 0 0 1px var(--border-mag); }
  50%      { box-shadow: var(--glow-cyan), inset 0 0 0 1px var(--border-cyan); }
  75%      { box-shadow: var(--glow-mag),  inset 0 0 0 1px var(--border-mag); }
}
@keyframes uf-cy-scanline {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}
@keyframes uf-cy-flicker {
  0%, 100% { opacity: 1; }
  47%      { opacity: 1; }
  48%      { opacity: 0.55; }
  49%      { opacity: 1; }
  72%      { opacity: 1; }
  73%      { opacity: 0.7; }
  74%      { opacity: 1; }
}
@keyframes uf-cy-palette-in {
  0%   { opacity: 0; transform: translateY(-12px) scale(0.97); clip-path: inset(40% 0 40% 0); }
  20%  { opacity: 1; clip-path: inset(20% 0 20% 0); }
  40%  { transform: translateY(2px) scale(1.01); clip-path: inset(0 0 0 0); }
  60%  { transform: translate(-2px, 0); }
  100% { opacity: 1; transform: translateY(0) scale(1); clip-path: inset(0 0 0 0); }
}
@keyframes uf-cy-pulse {
  0%, 100% { box-shadow: 0 0 8px var(--cyan), 0 0 18px rgba(0,229,255,0.35); }
  50%      { box-shadow: 0 0 14px var(--cyan), 0 0 28px rgba(0,229,255,0.55); }
}
@keyframes uf-cy-stream {
  0%   { background-position: 0 0; }
  100% { background-position: 0 200px; }
}

/* -- Tools cluster (search + export) in header -- */
.uf-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 6px;
}

/* ============ SEARCH BAR (neon border, glitchy focus) ============ */
.uf-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 10px 0 12px;
  border-radius: 4px;
  background: rgba(10, 0, 20, 0.72);
  border: 1px solid var(--border-cyan);
  box-shadow: inset 0 0 0 1px rgba(0,229,255,0.08), 0 0 6px rgba(0,229,255,0.18);
  min-width: 240px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  font-family: var(--font);
}
.uf-search::after {
  /* scanline sheen */
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(0,229,255,0.05) 0 2px,
    transparent 2px 4px
  );
  border-radius: inherit;
  mix-blend-mode: screen;
  opacity: .5;
}
.uf-search:focus-within {
  border-color: var(--magenta);
  background: rgba(20, 0, 40, 0.92);
  animation: uf-cy-glitch-border 1.4s steps(8, end) infinite;
}
.uf-search-icon {
  font-size: 14px;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  animation: uf-cy-flicker 4s infinite;
}
.uf-search input {
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text);
  font: 500 13px/1 var(--font);
  width: 100%;
  min-width: 140px;
  text-shadow: 0 0 6px rgba(0,229,255,0.35);
  letter-spacing: .02em;
}
.uf-search input::placeholder {
  color: var(--text-dim);
  text-shadow: none;
  letter-spacing: .04em;
}
.uf-search-kbd, .uf-palette-kbd, .kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 18px;
  padding: 0 5px;
  font: 600 10px/1 var(--font);
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--border-cyan);
  border-radius: 3px;
  letter-spacing: .04em;
  white-space: nowrap;
  text-shadow: 0 0 4px var(--cyan);
}

.uf-search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  min-width: 360px;
  max-height: 380px;
  overflow: auto;
  padding: 6px;
  border-radius: 4px;
  background: rgba(10, 0, 20, 0.96);
  border: 1px solid var(--magenta);
  box-shadow: var(--glow-mag), 0 20px 60px rgba(0,0,0,0.7);
  z-index: 9999;
  font-family: var(--font);
}
.uf-search-results::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(255,43,214,0.04) 0 3px,
    transparent 3px 6px
  );
}
.uf-search-group { padding: 4px 0; position: relative; }
.uf-search-group-label {
  padding: 6px 10px 4px;
  font: 600 10px/1 var(--font);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 4px var(--cyan);
}
.uf-search-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 2px;
  font: 500 13px/1.3 var(--font);
  color: var(--text);
  cursor: pointer;
  transition: background .12s ease, transform .12s ease;
  border: 1px solid transparent;
  position: relative;
}
.uf-search-item:hover, .uf-search-item.is-active {
  background: rgba(255, 43, 214, 0.16);
  border-color: var(--border-mag);
  transform: translateX(2px);
  text-shadow: 0 0 6px var(--magenta);
}
.uf-search-item-icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 2px;
  font-size: 11px;
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  flex-shrink: 0;
}
.uf-search-item-body { flex: 1; min-width: 0; }
.uf-search-item-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}
.uf-search-item-meta {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.uf-search-empty {
  padding: 18px 12px;
  font: 500 12px/1.4 var(--font);
  color: var(--text-dim);
  text-align: center;
  letter-spacing: .04em;
}

/* ============ EXPORT BUTTON (icon, neon glow, magenta accent) ============ */
.uf-export-btn {
  position: relative;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  border: 1px solid var(--border-cyan);
  background: rgba(10, 0, 20, 0.72);
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  cursor: pointer;
  transition: all .2s ease;
  font-family: var(--font);
}
.uf-export-btn:hover {
  background: rgba(255, 43, 214, 0.18);
  border-color: var(--magenta);
  color: var(--magenta);
  text-shadow: var(--glow-mag);
  box-shadow: var(--glow-mag);
  animation: uf-cy-glitch-border 1.4s steps(8, end) infinite;
}
.uf-export-glyph { font-size: 16px; line-height: 1; }
.uf-export-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 220px;
  padding: 4px;
  border-radius: 4px;
  background: rgba(10, 0, 20, 0.96);
  border: 1px solid var(--magenta);
  box-shadow: var(--glow-mag), 0 20px 60px rgba(0,0,0,0.7);
  z-index: 9999;
  font-family: var(--font);
}
.uf-export-menu button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 10px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  font: 500 13px/1 var(--font);
  border-radius: 2px;
  cursor: pointer;
  text-align: left;
  letter-spacing: .03em;
}
.uf-export-menu button:hover {
  background: rgba(255, 43, 214, 0.16);
  border-color: var(--border-mag);
  color: var(--magenta);
  text-shadow: 0 0 6px var(--magenta);
}

/* ============ ACTIVITY TIMELINE (data stream, neon dots, glitch hover) ============ */
.uf-timeline-section {
  margin-top: 18px;
  position: relative;
}
.panel-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}
.uf-window-select {
  height: 28px;
  padding: 0 26px 0 10px;
  background: rgba(10, 0, 20, 0.72);
  border: 1px solid var(--border-cyan);
  border-radius: 2px;
  color: var(--cyan);
  font: 500 12px/1 var(--font);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  text-shadow: 0 0 4px var(--cyan);
  letter-spacing: .04em;
}
.uf-window-select option { background: #0a0014; color: var(--cyan); }
.uf-timeline-toggle {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 2px;
  border: 1px solid var(--border-cyan);
  background: rgba(10, 0, 20, 0.72);
  color: var(--cyan);
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease;
}
.uf-timeline-toggle:hover {
  border-color: var(--magenta);
  color: var(--magenta);
  box-shadow: var(--glow-mag);
}
.uf-timeline-toggle[aria-expanded="true"] .uf-toggle-glyph { transform: rotate(180deg); }

.uf-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  background:
    repeating-linear-gradient(
      0deg,
      transparent 0 4px,
      rgba(0,229,255,0.04) 4px 5px
    );
  background-size: 100% 200px;
  animation: uf-cy-stream 6s linear infinite;
}
.uf-timeline::before {
  /* data-stream center rail */
  content: '';
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg,
    var(--magenta) 0%,
    var(--cyan) 50%,
    transparent 100%);
  box-shadow: var(--glow-mag);
  border-radius: 1px;
  opacity: .85;
}
.uf-timeline li {
  position: relative;
  padding: 10px 10px 10px 30px;
  font: 500 13px/1.4 var(--font);
  color: var(--text);
  border-left: 1px dashed transparent;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.uf-timeline li:hover {
  background: rgba(255, 43, 214, 0.08);
  border-left-color: var(--magenta);
  transform: translateX(2px);
  animation: uf-cy-glitch .4s steps(4, end) 1;
}
.uf-timeline li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 14px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--magenta);
  box-shadow: 0 0 8px var(--magenta), 0 0 16px rgba(255,43,214,0.5);
  border: 1px solid var(--bg);
}
.uf-timeline li.tl-memory::before {
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan), 0 0 16px rgba(0,229,255,0.5);
}
.uf-timeline li.tl-cron::before {
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold), 0 0 16px rgba(255,215,0,0.5);
}
.uf-timeline li.tl-agent::before {
  background: var(--violet);
  box-shadow: 0 0 8px var(--violet), 0 0 16px rgba(181,55,255,0.5);
}
.uf-timeline li.empty {
  color: var(--text-dim);
  padding-left: 10px;
  font-style: italic;
  letter-spacing: .04em;
}
.uf-timeline li.empty::before { display: none; }
.uf-timeline.collapsed li:nth-child(n+6) { display: none; }
.uf-tl-label {
  font-weight: 600;
  color: var(--text);
  letter-spacing: .02em;
}
.uf-tl-meta {
  font-size: 11px;
  color: var(--cyan);
  margin-top: 2px;
  text-shadow: 0 0 3px rgba(0,229,255,0.4);
  letter-spacing: .03em;
}

/* ============ ⌘K COMMAND PALETTE (scanline overlay, glitch-in animation) ============ */
.uf-palette {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: start center;
  padding-top: 12vh;
  font-family: var(--font);
}
.uf-palette[hidden] { display: none; }
.uf-palette-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 0, 12, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: uf-cy-flicker .4s ease;
}
.uf-palette-window {
  position: relative;
  width: min(640px, calc(100vw - 32px));
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  border-radius: 4px;
  background: rgba(10, 0, 20, 0.96);
  border: 1px solid var(--magenta);
  box-shadow:
    var(--glow-mag),
    var(--glow-cyan),
    0 30px 80px rgba(0,0,0,0.7);
  overflow: hidden;
  animation: uf-cy-palette-in .42s cubic-bezier(0.16, 1, 0.3, 1);
  clip-path: inset(0 0 0 0);
}
.uf-palette-window::before {
  /* scanline overlay */
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(0,229,255,0.06) 0 2px,
    transparent 2px 4px
  );
  z-index: 1;
  mix-blend-mode: screen;
}
.uf-palette-window::after {
  /* traveling scanline */
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 24px;
  background: linear-gradient(180deg, transparent, rgba(0,229,255,0.18), transparent);
  pointer-events: none;
  z-index: 2;
  animation: uf-cy-scanline 3.2s linear infinite;
}
.uf-palette-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-mag);
  position: relative;
  z-index: 3;
}
.uf-palette-icon {
  font-size: 16px;
  color: var(--magenta);
  text-shadow: var(--glow-mag);
  animation: uf-cy-flicker 3s infinite;
}
.uf-palette-search input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text);
  font: 500 16px/1.3 var(--font);
  text-shadow: 0 0 6px rgba(255,43,214,0.3);
  letter-spacing: .02em;
}
.uf-palette-search input::placeholder { color: var(--text-dim); }
.uf-palette-results {
  flex: 1;
  overflow: auto;
  padding: 6px;
  position: relative;
  z-index: 3;
}
.uf-palette-group { padding: 6px 0 4px; }
.uf-palette-group-label {
  padding: 4px 12px;
  font: 600 10px/1 var(--font);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 4px var(--cyan);
}
.uf-palette-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 2px;
  font: 500 13px/1.3 var(--font);
  color: var(--text);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .12s ease, border-color .12s ease, transform .12s ease;
  position: relative;
}
.uf-palette-item:hover, .uf-palette-item.is-active {
  background: rgba(255, 43, 214, 0.16);
  border-color: var(--border-mag);
  color: var(--magenta);
  text-shadow: 0 0 6px var(--magenta);
  transform: translateX(3px);
}
.uf-palette-item-icon {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 2px;
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  font-size: 13px;
  flex-shrink: 0;
}
.uf-palette-item:hover .uf-palette-item-icon,
.uf-palette-item.is-active .uf-palette-item-icon {
  background: rgba(255, 43, 214, 0.18);
  border-color: var(--border-mag);
  color: var(--magenta);
  text-shadow: var(--glow-mag);
}
.uf-palette-item-body { flex: 1; min-width: 0; }
.uf-palette-item-title { font-weight: 600; letter-spacing: .02em; }
.uf-palette-item-desc {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 2px;
  letter-spacing: .03em;
}
.uf-palette-foot {
  display: flex;
  gap: 16px;
  padding: 8px 16px;
  border-top: 1px solid var(--border-mag);
  font: 500 11px/1 var(--font);
  color: var(--text-dim);
  position: relative;
  z-index: 3;
  letter-spacing: .04em;
}
.uf-palette-foot kbd { margin-right: 4px; }

/* ============ PROMPT INPUT BAR (bottom dock, ⚡ send, neon underline) ============ */
.uf-prompt {
  position: fixed;
  left: 50%;
  bottom: 76px;
  transform: translateX(-50%);
  width: min(720px, calc(100vw - 220px));
  min-width: 320px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px 8px 12px;
  border-radius: 4px;
  background: rgba(10, 0, 20, 0.92);
  border: 1px solid var(--border-cyan);
  z-index: 9500;
  font-family: var(--font);
  transition: border-color .2s ease, box-shadow .2s ease, transform .15s ease;
}
/* neon underline (magenta→cyan gradient) — visible always, brighter on focus */
.uf-prompt::before {
  content: '';
  position: absolute;
  left: 8px; right: 8px; bottom: 4px;
  height: 2px;
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
  box-shadow: var(--glow-mag);
  opacity: .6;
  transition: opacity .2s ease, box-shadow .2s ease;
  pointer-events: none;
}
.uf-prompt:focus-within {
  border-color: var(--magenta);
  box-shadow:
    var(--glow-mag),
    0 12px 40px rgba(255,43,214,0.25);
}
.uf-prompt:focus-within::before {
  opacity: 1;
  box-shadow: var(--glow-mag), var(--glow-cyan);
}
.uf-prompt-model {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--border-cyan);
  border-radius: 2px;
  background: rgba(0, 229, 255, 0.06);
  color: var(--cyan);
  font: 600 12px/1 var(--font);
  cursor: pointer;
  flex-shrink: 0;
  text-shadow: 0 0 4px var(--cyan);
  letter-spacing: .04em;
}
.uf-prompt-model:hover {
  background: rgba(255, 43, 214, 0.18);
  border-color: var(--magenta);
  color: var(--magenta);
  text-shadow: var(--glow-mag);
}
.uf-model-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--magenta);
  box-shadow: var(--glow-mag);
  animation: uf-cy-pulse 1.6s ease-in-out infinite;
}
.uf-model-caret { opacity: .5; font-size: 10px; }
.uf-prompt-temp {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.uf-temp-label {
  font: 700 10px/1 var(--font);
  color: var(--text-dim);
  letter-spacing: .06em;
}
.uf-prompt-temp input[type="range"] {
  appearance: none;
  -webkit-appearance: none;
  width: 64px;
  height: 4px;
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
  box-shadow: 0 0 6px rgba(255,43,214,0.4);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.uf-prompt-temp input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan), 0 0 16px rgba(0,229,255,0.5);
  border: 1px solid var(--bg);
  cursor: pointer;
}
.uf-prompt-temp input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  border: 1px solid var(--bg);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  cursor: pointer;
}
.uf-temp-val {
  font: 600 10px/1 var(--font);
  color: var(--cyan);
  width: 24px;
  text-align: right;
  text-shadow: 0 0 4px var(--cyan);
}
.uf-prompt-input {
  flex: 1;
  min-width: 100px;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text);
  font: 500 14px/1.4 var(--font);
  padding: 8px 4px;
  text-shadow: 0 0 4px rgba(0,229,255,0.25);
  letter-spacing: .02em;
}
.uf-prompt-input::placeholder {
  color: var(--text-dim);
  letter-spacing: .04em;
}
.uf-prompt-attach, .uf-prompt-send {
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s ease;
  flex-shrink: 0;
  font-family: var(--font);
}
.uf-prompt-attach:hover {
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  text-shadow: var(--glow-cyan);
}
.uf-prompt-send {
  background: linear-gradient(135deg, var(--magenta), var(--violet));
  color: #fff;
  font-weight: 700;
  border: 1px solid var(--magenta);
  text-shadow: 0 0 6px rgba(255,255,255,0.5);
}
.uf-prompt-send:hover {
  transform: scale(1.06);
  box-shadow: var(--glow-mag), 0 0 24px rgba(255,43,214,0.5);
  animation: uf-cy-glitch-border 1.2s steps(8, end) infinite;
}
.uf-prompt-send:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.uf-send-glyph { font-size: 18px; line-height: 1; }
.uf-prompt-tokens {
  position: absolute;
  bottom: -22px;
  right: 6px;
  font: 500 10px/1 var(--font);
  color: var(--text-dim);
  letter-spacing: .06em;
}

/* ============ PROMPT THREAD (chat thread above prompt bar) ============ */
.uf-prompt-thread {
  position: fixed;
  left: 50%;
  bottom: 144px;
  transform: translateX(-50%);
  width: min(720px, calc(100vw - 220px));
  min-width: 320px;
  max-height: 50vh;
  z-index: 9400;
  border-radius: 4px;
  background: rgba(10, 0, 20, 0.96);
  border: 1px solid var(--border-mag);
  box-shadow: var(--glow-mag), 0 20px 60px rgba(0,0,0,0.7);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: uf-cy-palette-in .3s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--font);
}
.uf-prompt-thread[hidden] { display: none; }
.uf-prompt-thread::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(255,43,214,0.04) 0 3px,
    transparent 3px 6px
  );
  z-index: 1;
}
.uf-thread-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-mag);
  font: 600 12px/1 var(--font);
  color: var(--magenta);
  letter-spacing: .14em;
  text-transform: uppercase;
  text-shadow: 0 0 4px var(--magenta);
  position: relative;
  z-index: 2;
}
.uf-thread-close {
  background: transparent;
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
  font: 700 16px/1 var(--font);
  cursor: pointer;
  width: 24px;
  height: 24px;
  border-radius: 2px;
  display: grid;
  place-items: center;
  text-shadow: var(--glow-cyan);
}
.uf-thread-close:hover {
  background: rgba(255, 43, 214, 0.18);
  color: var(--magenta);
  border-color: var(--border-mag);
  text-shadow: var(--glow-mag);
}
.uf-thread-body {
  flex: 1;
  overflow: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  z-index: 2;
}
.uf-msg {
  max-width: 88%;
  padding: 10px 12px;
  border-radius: 2px;
  font: 500 13px/1.5 var(--font);
  position: relative;
}
.uf-msg-user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(255,43,214,0.32), rgba(181,55,255,0.18));
  color: var(--text);
  border: 1px solid var(--border-mag);
  border-bottom-right-radius: 0;
  text-shadow: 0 0 4px rgba(255,43,214,0.3);
}
.uf-msg-bot {
  align-self: flex-start;
  background: rgba(0, 229, 255, 0.08);
  color: var(--text);
  border: 1px solid var(--border-cyan);
  border-bottom-left-radius: 0;
  text-shadow: 0 0 3px rgba(0,229,255,0.2);
}
.uf-msg-citations {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-cyan);
  font: 500 11px/1.4 var(--font);
  color: var(--cyan);
  text-shadow: 0 0 3px rgba(0,229,255,0.4);
}
.uf-msg-typing {
  align-self: flex-start;
  background: rgba(0, 229, 255, 0.08);
  color: var(--cyan);
  font-style: italic;
  border: 1px solid var(--border-cyan);
  padding: 10px 14px;
  border-radius: 2px;
  border-bottom-left-radius: 0;
  text-shadow: 0 0 4px var(--cyan);
  animation: uf-cy-flicker 1.4s infinite;
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .uf-search { min-width: 160px; }
  .uf-search input { min-width: 80px; }
  .uf-prompt {
    width: calc(100vw - 32px);
    min-width: 0;
  }
  .uf-prompt-temp { display: none; }
  .uf-prompt-thread { width: calc(100vw - 32px); }
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  .uf-search, .uf-search:focus-within,
  .uf-prompt, .uf-prompt:focus-within,
  .uf-export-btn:hover,
  .uf-palette-window,
  .uf-prompt-thread,
  .uf-timeline li,
  .uf-prompt-send:hover {
    animation: none !important;
  }
}