:root {
  --bg: #070912;
  --bg2: #0d1120;
  --panel: rgba(20,26,46,0.72);
  --border: rgba(80,110,180,0.22);
  --cyan: #22e3ff;
  --magenta: #ff44d0;
  --lime: #b6ff3a;
  --text: #dbe6ff;
  --muted: #7a89b8;
  --mono: 'JetBrains Mono', monospace;
  --disp: 'Space Grotesk', sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(circle at 15% 0%, rgba(34,227,255,0.10), transparent 45%),
    radial-gradient(circle at 90% 20%, rgba(255,68,208,0.10), transparent 45%),
    var(--bg);
  color: var(--text);
  font-family: var(--disp);
  min-height: 100vh;
}

.app-wrap { max-width: 1240px; margin: 0 auto; padding: 0 14px 40px; }

/* header */
.top-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 4px 12px; gap: 10px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-text {
  font-weight: 700; font-size: 22px; letter-spacing: -0.5px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.top-right { display: flex; align-items: center; gap: 10px; }

/* brain logo animation */
.nn-edge { stroke: rgba(34,227,255,0.4); stroke-width: 1.5; }
.nn-node { fill: var(--cyan); animation: pulse 1.8s infinite ease-in-out; }
.nn-node.n2 { fill: var(--magenta); animation-delay: .3s; }
.nn-node.n3 { fill: var(--lime); animation-delay: .6s; }
.nn-node.n4 { fill: var(--cyan); animation-delay: .9s; }
.nn-node.n5 { fill: var(--magenta); animation-delay: 1.2s; }
@keyframes pulse { 0%,100% { opacity: .45; } 50% { opacity: 1; filter: drop-shadow(0 0 4px currentColor); } }

/* stat pills */
.stat-pill {
  display: inline-flex; flex-direction: column; align-items: center;
  padding: 4px 12px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--panel); backdrop-filter: blur(6px);
}
.stat-val { font-family: var(--mono); font-weight: 700; font-size: 14px; color: var(--lime); }
.stat-label { font-size: 9px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }

.stats-bar { display: flex; gap: 8px; align-items: center; padding: 6px 4px; flex-wrap: wrap; }
.status-tag { margin-left: auto; font-family: var(--mono); font-size: 12px; padding: 4px 10px; border-radius: 20px; }
.status-tag.ok { color: var(--lime); border: 1px solid rgba(182,255,58,0.4); }
.status-tag.warn { color: var(--magenta); border: 1px solid rgba(255,68,208,0.4); }

/* mode toggle */
.mode-toggle { display: none; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.mode-btn { background: transparent; color: var(--muted); border: none; padding: 7px 14px; font-family: var(--disp); font-weight: 500; cursor: pointer; }
.mode-btn.on { background: linear-gradient(90deg, var(--cyan), var(--magenta)); color: #07101f; }

/* train strip */
.train-strip {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px; margin: 8px 0 16px; border: 1px solid var(--border);
  border-radius: 14px; background: var(--panel); backdrop-filter: blur(8px);
}
.btn-train {
  background: linear-gradient(90deg, var(--cyan), var(--lime));
  color: #06121a; font-weight: 700; border: none; padding: 10px 20px;
  border-radius: 10px; cursor: pointer; font-family: var(--disp); font-size: 15px;
  box-shadow: 0 0 18px rgba(34,227,255,0.35); transition: transform .12s;
}
.btn-train:hover { transform: translateY(-2px); }
.model-sel { background: #10162b; color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px; font-family: var(--mono); font-size: 12px; }
.fallback-toggle { font-size: 12px; color: var(--muted); font-family: var(--mono); display: flex; align-items: center; gap: 3px; }
.btn-danger { margin-left: auto; background: transparent; color: var(--magenta); border: 1px solid rgba(255,68,208,0.4); border-radius: 8px; padding: 8px 12px; cursor: pointer; font-family: var(--mono); font-size: 12px; }

.train-progress-wrap { width: 100%; }
.train-msg { font-family: var(--mono); font-size: 13px; color: var(--cyan); margin-bottom: 6px; }
.progress-track { height: 10px; background: #10162b; border-radius: 6px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--lime)); transition: width .25s; box-shadow: 0 0 12px var(--cyan); }
.progress-pct { text-align: right; font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 3px; }

/* main grid */
.main-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.panel {
  border: 1px solid var(--border); border-radius: 16px; background: var(--panel);
  backdrop-filter: blur(8px); padding: 16px;
}
.panel-title { margin: 0 0 12px; font-size: 16px; font-weight: 700; color: var(--text); }

/* form */
.form-card { border: 1px solid var(--border); border-radius: 12px; padding: 14px; background: rgba(10,14,28,0.5); }
.flabel { display: block; font-family: var(--mono); font-size: 11px; color: var(--cyan); margin: 12px 0 5px; }
.flabel:first-child { margin-top: 0; }
.field {
  width: 100%; background: #0c1122; border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); padding: 9px 11px; font-family: var(--disp); font-size: 14px; outline: none;
}
.field:focus { border-color: var(--cyan); box-shadow: 0 0 0 2px rgba(34,227,255,0.15); }
.ta { resize: vertical; }
.multi-row { display: flex; gap: 6px; align-items: flex-start; margin-bottom: 6px; }
.mini-x { background: rgba(255,68,208,0.15); color: var(--magenta); border: none; border-radius: 6px; width: 30px; cursor: pointer; align-self: stretch; }
.add-variant { background: transparent; border: 1px dashed var(--border); color: var(--muted); border-radius: 7px; padding: 5px 10px; font-size: 12px; cursor: pointer; margin-bottom: 4px; }
.add-variant:hover { color: var(--cyan); border-color: var(--cyan); }

/* chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 6px; border: 1px solid var(--border); border-radius: 8px; background: #0c1122; }
.chip { display: inline-flex; align-items: center; gap: 4px; background: rgba(34,227,255,0.14); color: var(--cyan); border: 1px solid rgba(34,227,255,0.3); border-radius: 20px; padding: 3px 10px; font-family: var(--mono); font-size: 12px; }
.chip.tiny { background: rgba(182,255,58,0.12); color: var(--lime); border-color: rgba(182,255,58,0.3); padding: 2px 8px; font-size: 11px; }
.chip-x { background: none; border: none; color: inherit; cursor: pointer; font-size: 14px; line-height: 1; padding: 0; }
.chip-input { flex: 1; min-width: 90px; background: transparent; border: none; outline: none; color: var(--text); font-family: var(--disp); font-size: 13px; }

.form-actions { display: flex; gap: 8px; margin-top: 14px; }
.btn-primary { background: linear-gradient(90deg, var(--magenta), var(--cyan)); color: #07101f; font-weight: 700; border: none; padding: 10px 18px; border-radius: 9px; cursor: pointer; font-family: var(--disp); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); padding: 10px 16px; border-radius: 9px; cursor: pointer; }
.form-msg { margin-top: 10px; font-family: var(--mono); font-size: 12px; color: var(--lime); }

/* dataset list */
.ds-header { display: flex; justify-content: space-between; align-items: center; margin: 16px 0 8px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.link-btn { background: none; border: none; color: var(--cyan); cursor: pointer; font-family: var(--mono); font-size: 12px; text-decoration: underline; }
.json-box { border: 1px solid var(--border); border-radius: 10px; padding: 10px; margin-bottom: 12px; background: #0a0e1c; }
.json-view { max-height: 180px; overflow: auto; font-family: var(--mono); font-size: 11px; color: var(--lime); margin: 0 0 8px; white-space: pre-wrap; }
.json-actions { margin-bottom: 8px; }
.btn-small { background: #12182f; border: 1px solid var(--border); color: var(--cyan); border-radius: 7px; padding: 6px 12px; cursor: pointer; font-family: var(--mono); font-size: 12px; margin-right: 6px; margin-top: 6px; }

.ds-list { display: flex; flex-direction: column; gap: 10px; max-height: 460px; overflow: auto; padding-right: 4px; }
.empty-ds { text-align: center; color: var(--muted); padding: 24px; font-family: var(--mono); font-size: 13px; }
.ds-card { border: 1px solid var(--border); border-radius: 11px; padding: 11px; background: rgba(12,18,36,0.6); position: relative; }
.ds-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 7px; }
.ds-prompt { font-size: 13px; color: var(--text); margin-bottom: 3px; }
.ds-resp { font-size: 12px; color: var(--muted); }
.ds-card-actions { position: absolute; top: 9px; right: 9px; display: flex; gap: 5px; }
.icon-btn { background: #12182f; border: 1px solid var(--border); color: var(--cyan); border-radius: 6px; padding: 3px 9px; font-size: 11px; cursor: pointer; font-family: var(--mono); }
.icon-btn.danger { color: var(--magenta); }

/* chat */
.chat-panel { display: flex; flex-direction: column; height: 640px; }
.chat-window { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; padding: 4px; }
.chat-empty { margin: auto; text-align: center; color: var(--muted); }
.chat-empty .zzz { font-size: 48px; opacity: .6; animation: pulse 2s infinite; }
.chat-empty .sub { font-size: 12px; margin-top: 6px; opacity: .7; }
.msg-row { display: flex; gap: 8px; align-items: flex-end; }
.msg-row.user { justify-content: flex-end; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: rgba(182,255,58,0.15); border: 1px solid rgba(182,255,58,0.4); display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; }
.bubble { max-width: 78%; padding: 9px 13px; border-radius: 14px; animation: pop .25s ease; }
@keyframes pop { from { transform: translateY(6px) scale(.96); opacity: 0; } to { transform: none; opacity: 1; } }
.bubble.user { background: linear-gradient(120deg, var(--cyan), var(--magenta)); color: #07101f; border-bottom-right-radius: 4px; }
.bubble.bot { background: rgba(20,28,52,0.9); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.bubble-text { font-size: 14px; line-height: 1.4; }
.bubble.user .bubble-text { font-weight: 500; }
.bubble-why { font-family: var(--mono); font-size: 10px; color: var(--muted); margin-top: 4px; font-style: italic; }
.bubble.typing { display: flex; gap: 4px; align-items: center; }
.bubble.typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); animation: blink 1.2s infinite; }
.bubble.typing span:nth-child(2) { animation-delay: .2s; }
.bubble.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,100% { opacity: .3; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-3px); } }

.chat-input-row { display: flex; gap: 8px; margin-top: 12px; }
.chat-input { flex: 1; background: #0c1122; border: 1px solid var(--border); border-radius: 10px; color: var(--text); padding: 11px 14px; font-family: var(--disp); font-size: 14px; outline: none; }
.chat-input:focus { border-color: var(--cyan); box-shadow: 0 0 0 2px rgba(34,227,255,0.15); }
.btn-send { background: linear-gradient(90deg, var(--lime), var(--cyan)); color: #07101f; font-weight: 700; border: none; border-radius: 10px; padding: 0 22px; cursor: pointer; font-family: var(--disp); }
.btn-send:disabled { opacity: .5; cursor: not-allowed; }

/* footer */
.footer { text-align: center; margin-top: 28px; color: var(--muted); font-size: 12px; font-family: var(--mono); }
.footer a { color: var(--cyan); text-decoration: none; border-bottom: 1px dotted var(--cyan); }

.mobile-only { display: none; }

/* responsive */
@media (max-width: 820px) {
  .main-grid { grid-template-columns: 1fr; }
  .mode-toggle { display: flex; }
  .mobile-only { display: flex; }
  .hide-mobile { display: none; }
  .chat-panel { height: 70vh; }
  .brand-text { font-size: 18px; }
  .btn-danger { margin-left: 0; }
}
</parameter>
</styles.css>