:root {
  --bg: #0b0f14;
  --panel: #111823;
  --panel2: #0e141d;
  --line: #1e2a3a;
  --text: #d7e1ee;
  --muted: #7f93ab;
  --accent: #4cc2ff;
  --good: #2fd08c;
  --warn: #ffc24c;
  --bad: #ff5d6c;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font: 14px/1.45 -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 1280px; margin: 0 auto; padding: 0 20px 40px; }

header { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(11,15,20,.92); backdrop-filter: blur(6px); z-index: 5; }
.brand { display: flex; gap: 12px; align-items: center; }
.logo { font-size: 26px; color: var(--accent); }
h1 { margin: 0; font-size: 18px; letter-spacing: .5px; }
.sub { margin: 0; font-size: 11.5px; color: var(--muted); }
.statusbar { display: flex; gap: 8px; flex-wrap: wrap; }
.badge { font-family: var(--mono); font-size: 11px; padding: 4px 10px; border: 1px solid var(--line); border-radius: 20px; color: var(--muted); background: var(--panel2); }
.badge.ok { color: var(--good); border-color: rgba(47,208,140,.4); }
.badge.warn { color: var(--warn); border-color: rgba(255,194,76,.4); }
.badge.bad { color: var(--bad); border-color: rgba(255,93,108,.4); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-top: 18px; }
.panel h2 { margin: 0 0 12px; font-size: 14px; letter-spacing: .4px; text-transform: uppercase; color: var(--accent); }
.hint { font-size: 11px; color: var(--muted); text-transform: none; letter-spacing: 0; margin-left: 8px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.controls { display: flex; gap: 8px; }
select, input[type=text] { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; font-size: 13px; }
button { background: var(--accent); color: #04121c; font-weight: 600; border: 0; border-radius: 6px; padding: 8px 16px; cursor: pointer; font-size: 13px; }
button:hover { filter: brightness(1.1); }
button:disabled { opacity: .5; cursor: default; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid .panel { margin-top: 18px; }
@media (max-width: 980px) { .grid { grid-template-columns: 1fr; } }

.progress { margin-top: 14px; }
.progress.hidden { display: none; }
.bar { height: 6px; background: var(--panel2); border-radius: 3px; overflow: hidden; }
#bar-fill { height: 100%; width: 100%; transform: scaleX(0); transform-origin: left; background: linear-gradient(90deg, var(--accent), var(--good)); transition: transform .4s; }
#progress-log { font-family: var(--mono); font-size: 11px; color: var(--muted); max-height: 160px; overflow: auto; margin: 10px 0 0; white-space: pre-wrap; }

table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; }
th, td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; }
th:first-child, td:first-child { text-align: left; }
.pos { color: var(--good); } .neg { color: var(--bad); } .mut { color: var(--muted); }

.sigcard { border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin-bottom: 10px; background: var(--panel2); }
.sigcard .head { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 13px; margin-bottom: 8px; }
.cascade { display: flex; gap: 4px; align-items: flex-end; margin: 8px 0; }
.cascade .step { flex: 1; text-align: center; font-family: var(--mono); font-size: 10px; color: var(--muted); }
.cascade .colbox { background: var(--panel); border: 1px solid var(--line); border-radius: 4px 4px 0 0; margin: 0 auto; width: 80%; display:flex; align-items:flex-end; height: 54px; }
.cascade .col { width: 100%; background: linear-gradient(180deg, var(--accent), #1b6f96); border-radius: 3px 3px 0 0; }
.ci { color: var(--muted); font-size: 11px; }

.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.kv .cell { background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; padding: 10px; }
.kv .cell b { display: block; font-size: 11px; color: var(--muted); font-weight: 500; margin-bottom: 4px; }
.kv .cell span { font-family: var(--mono); font-size: 15px; }

.sources { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.srccard { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; background: var(--panel2); }
.srccard .name { font-weight: 600; font-size: 12.5px; }
.srccard .meta { font-size: 11px; color: var(--muted); margin-top: 3px; font-family: var(--mono); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot.ok { background: var(--good); } .dot.no_key { background: var(--warn); } .dot.error, .dot.disabled { background: var(--bad); }

#chat-log { max-height: 380px; overflow: auto; display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.msg { padding: 10px 14px; border-radius: 10px; max-width: 85%; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: #16324a; }
.msg.ai { align-self: flex-start; background: var(--panel2); border: 1px solid var(--line); }
.msg.steps { align-self: flex-start; font-family: var(--mono); font-size: 11px; color: var(--muted); background: var(--panel2); border-radius: 8px; padding: 8px 12px; }
#chat-form { display: flex; gap: 8px; }
#chat-input { flex: 1; }

.empty { color: var(--muted); font-size: 13px; padding: 12px 0; }
footer { text-align: center; color: var(--muted); font-size: 11px; padding: 18px; border-top: 1px solid var(--line); margin-top: 30px; }