:root {
  --bg: #12140f;
  --panel: #1c1f18;
  --ink: #ece7d8;
  --muted: #9a9586;
  --accent: #c4f542;
  --warn: #f0b429;
  --err: #e85d4c;
  --line: #2a2e24;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink); font: 16px/1.45 var(--sans); }
body { display: flex; flex-direction: column; max-width: 720px; margin: 0 auto; min-height: 100dvh; }
header {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 14px 16px 10px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--bg); z-index: 3;
}
header h1 { font-size: 1rem; font-weight: 600; margin: 0; letter-spacing: 0.02em; }
header .meta { color: var(--muted); font-size: 0.75rem; font-family: var(--mono); }
#log {
  flex: 1; overflow: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px;
}
.bubble { max-width: 100%; padding: 10px 12px; border-radius: 10px; word-break: break-word; }
.bubble.user { background: #2a311c; align-self: flex-end; max-width: 88%; white-space: pre-wrap; }
.bubble.nexo { background: var(--panel); border: 1px solid var(--line); white-space: normal; font-size: 0.875rem; line-height: 1.4; }
.bubble .who { display: block; font-size: 0.7rem; color: var(--muted); margin-bottom: 6px; font-family: var(--mono); }
.bubble.nexo .md > :first-child { margin-top: 0; }
.bubble.nexo .md > :last-child { margin-bottom: 0; }
.bubble.nexo .md p { margin: 0.4em 0; }
.bubble.nexo .md h1, .bubble.nexo .md h2 { font-size: 0.98rem; font-weight: 650; margin: 0.85em 0 0.3em; letter-spacing: 0.01em; }
.bubble.nexo .md h3, .bubble.nexo .md h4 { font-size: 0.9rem; font-weight: 650; margin: 0.7em 0 0.25em; }
.bubble.nexo .md ul, .bubble.nexo .md ol { margin: 0.25em 0 0.45em; padding-left: 1.2em; }
.bubble.nexo .md li { margin: 0.12em 0; }
.bubble.nexo .md a { color: #9ecbff; }
.bubble.nexo .md hr { border: 0; border-top: 1px solid var(--line); margin: 0.7em 0; }
.bubble.nexo .md code { font-family: var(--mono); font-size: 0.82em; background: #0003; padding: 0 4px; border-radius: 3px; }
.bubble.nexo .md pre { overflow: auto; background: #0004; padding: 8px; border-radius: 6px; font-size: 0.78rem; line-height: 1.35; max-height: 12rem; }
.bubble.nexo .md .tbl { overflow: auto; margin: 0.45em 0; }
.bubble.nexo .md table { border-collapse: collapse; width: 100%; font-size: 0.8rem; }
.bubble.nexo .md th, .bubble.nexo .md td { border: 1px solid var(--line); padding: 4px 7px; text-align: left; vertical-align: top; }
.bubble.nexo .md th { color: var(--muted); font-weight: 600; }
.bubble.nexo .md .sev {
  display: inline-block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; border-radius: 999px; padding: 1px 7px; line-height: 1.4;
  vertical-align: 1px; margin-right: 4px;
}
.bubble.nexo .md .sev.blocker { background: #e85d4c33; color: #ff8a7a; border: 1px solid #e85d4c88; }
.bubble.nexo .md .sev.major { background: #f0b42933; color: #f0b429; border: 1px solid #f0b42988; }
.bubble.nexo .md .sev.minor { background: #c4f54222; color: var(--accent); border: 1px solid #c4f54277; }
.bubble.nexo .md .sev.nit, .bubble.nexo .md .sev.info { background: #ffffff10; color: var(--muted); border: 1px solid var(--line); }
.bubble.nexo .md .finding { padding-left: 8px; border-left: 3px solid var(--line); }
.bubble.nexo .md .finding.minor { border-left-color: var(--accent); }
.bubble.nexo .md .finding.major { border-left-color: var(--warn); }
.bubble.nexo .md .finding.blocker { border-left-color: var(--err); }
.bubble.nexo .md details.json-dump { margin: 0.35em 0; font-size: 0.75rem; color: var(--muted); }
.bubble.nexo .md details.json-dump summary { cursor: pointer; user-select: none; }
.bubble.nexo .md details.json-dump pre { margin: 6px 0 0; max-height: 8rem; }
.thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.thumbs img { max-width: 160px; max-height: 160px; border-radius: 8px; object-fit: cover; }
.chip { font-size: 0.75rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; }
#files { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 16px 8px; }
#files:empty { display: none; }
#progress {
  display: none; margin: 0 16px 8px; padding: 8px 10px; background: var(--panel);
  border: 1px dashed var(--line); border-radius: 8px; font-size: 0.8rem; color: var(--muted);
  font-family: var(--mono); white-space: pre-wrap;
}
#progress.on { display: block; color: var(--ink); }
#progress .proc-head { color: var(--warn); font-weight: 600; margin-bottom: 6px; }
#progress .stages { list-style: none; padding: 0; margin: 6px 0; display: flex; flex-wrap: wrap; gap: 8px; }
#progress .stages li { border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; font-size: 0.75rem; color: var(--muted); }
#progress .stages li.active { border-color: var(--warn); color: var(--warn); }
#progress .stages li.done { border-color: var(--accent); color: var(--accent); }
#progress .now { margin: 6px 0 4px; color: var(--warn); }
#progress .recent { margin: 4px 0 0; padding-left: 1.1em; color: var(--muted); font-size: 0.75rem; }
#progress .wf-head { margin-top: 8px; font-size: 0.78rem; color: var(--muted); }
#progress .wf-phase { margin: 8px 0 2px; font-size: 0.72rem; color: var(--accent); letter-spacing: 0.02em; }
#progress .agents { list-style: none; padding: 0; margin: 2px 0 0; font-size: 0.78rem; }
#progress .agents li { padding: 2px 0; color: var(--muted); }
#progress .agents .dur { opacity: 0.7; font-size: 0.7rem; }
#progress .agents li.running, #progress .agents li.active { color: var(--warn); }
#progress .agents li.done, #progress .agents li.complete, #progress .agents li.succeeded { color: var(--accent); }
#progress .agents li.failed, #progress .agents li.error { color: var(--err); }
#progress .agents .ph { opacity: 0.7; }
#progress .agents .st { font-size: 0.7rem; }
#composer {
  display: flex; gap: 8px; padding: 12px 16px 20px; border-top: 1px solid var(--line); background: var(--bg);
}
#composer textarea {
  flex: 1; resize: none; min-height: 44px; max-height: 160px; padding: 10px 12px;
  border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  font: inherit;
}
#hint { margin: 0 16px 8px; color: var(--muted); font-size: 0.8rem; background: var(--bg); }
#attach { background: transparent; color: var(--muted); border: 1px solid var(--line); min-width: 40px; padding: 0 10px; }
#composer button.mic {
  background: var(--accent); color: #15180f; min-width: 88px; font-weight: 700;
}
#composer button.mic.rec { background: var(--err); color: #fff; }
#composer button.ghost-send {
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  padding: 0 10px; font-size: 0.8rem;
}
.play { margin-top: 8px; background: transparent; color: var(--accent); border: 1px solid var(--line);
  border-radius: 6px; padding: 4px 10px; cursor: pointer; font-size: 0.8rem; }
#composer button, .ghost {
  background: var(--accent); color: #15180f; border: 0; border-radius: 8px; padding: 0 16px;
  font-weight: 600; cursor: pointer;
}
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); padding: 4px 8px; font-size: 0.75rem; }
#login {
  flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 10px; padding: 32px 20px;
}
#login p { color: var(--muted); margin: 0 0 8px; }
#login input {
  padding: 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  font: inherit;
}
#login button { height: 44px; }
.hidden { display: none !important; }
.err { color: var(--err); font-size: 0.85rem; }