:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a303c;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --accent: #d4a853;
  --accent-dim: rgba(212, 168, 83, 0.14);
  --green: #22c55e;
  --red: #ef4444;
  --blue: #3b82f6;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.5;
}
.login-mask {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.login-box {
  width: 380px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
}
.app-shell {
  display: grid;
  grid-template-columns: 235px 1fr;
  min-height: 100vh;
}
@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }
}
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.logo {
  font-family: Georgia, serif;
  font-size: 17px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 6px 10px 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.nav-item {
  background: transparent;
  color: var(--muted);
  border: none;
  text-align: left;
  padding: 10px 12px;
  border-radius: 9px;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); font-weight: 600; }
.badge-dot {
  background: var(--red); color: #fff; font-size: 11px;
  padding: 1px 7px; border-radius: 999px; font-weight: 700;
}
.main {
  padding: 22px 26px;
  overflow-y: auto;
  max-height: 100vh;
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--border);
}
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}
.kpi-val { font-size: 24px; font-weight: 700; margin-top: 4px; }
.kpi-lbl { font-size: 12px; color: var(--muted); }
.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 13px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 600;
}
.btn:hover { border-color: var(--accent); }
.btn-gold { background: var(--accent); color: #14120e; border-color: var(--accent); }
.btn-green { background: var(--green); color: #06210f; border-color: var(--green); }
.btn-red { background: rgba(239,68,68,0.16); color: #fca5a5; border-color: rgba(239,68,68,0.4); }
.btn-sm { padding: 4px 9px; font-size: 11.5px; }
input, select, textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; font-weight: 500; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; background: var(--panel-2); border: 1px solid var(--border);
}
.tag.green { color: #86efac; border-color: rgba(34,197,94,0.4); background: rgba(34,197,94,0.1); }
.tag.gold { color: var(--accent); border-color: rgba(212,168,83,0.4); background: var(--accent-dim); }
.tag.red { color: #fca5a5; border-color: rgba(239,68,68,0.4); background: rgba(239,68,68,0.12); }

/* 3-Column Live Desk */
.desk-grid {
  display: grid;
  grid-template-columns: 280px 1fr 300px;
  gap: 14px;
  height: calc(100vh - 120px);
}
@media (max-width: 1100px) {
  .desk-grid { grid-template-columns: 1fr; height: auto; }
}
.desk-col {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sess-item {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.sess-item:hover, .sess-item.active { background: var(--panel-2); }
.sess-item.rescue { border-left: 3px solid var(--red); }
.chat-stream { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.bubble { max-width: 82%; padding: 9px 12px; border-radius: 11px; font-size: 13px; }
.bubble.USER { align-self: flex-start; background: var(--panel-2); border: 1px solid var(--border); }
.bubble.AI { align-self: flex-end; background: rgba(212,168,83,0.14); border: 1px solid rgba(212,168,83,0.35); }
.bubble.HUMAN { align-self: flex-end; background: rgba(34,197,94,0.15); border: 1px solid rgba(34,197,94,0.4); }
.qa-mini { font-size: 11px; color: var(--muted); margin-top: 5px; padding-top: 4px; border-top: 1px dashed var(--border); }
.toast {
  position: fixed; bottom: 20px; right: 20px; background: #1f2937;
  border: 1px solid var(--accent); color: #fff; padding: 10px 16px;
  border-radius: 10px; z-index: 200; display: none; font-size: 13px;
}