/* AgentCore Console — minimal, legible dev tool. No framework. */
:root {
  --bg: #0f1115;
  --panel: #161922;
  --panel-2: #1c2130;
  --line: #2a3142;
  --ink: #e6e9ef;
  --ink-dim: #9aa4b6;
  --accent: #5b9cff;
  --good: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
  --tool: #a371f7;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
/* The [hidden] attribute must win over the display rules below (.split=grid,
   .signin=flex), else hiding the app/sign-in panels via JS has no effect. */
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  display: flex;
  flex-direction: column;
}

/* Top bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; letter-spacing: .2px; }
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.envtag { font: 600 11px var(--mono); color: var(--ink-dim); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; }
.who { display: flex; align-items: center; gap: 10px; }
.userline { color: var(--ink-dim); font-size: 13px; }

/* Buttons */
.btn {
  background: var(--accent); color: #0b1020; border: 0; border-radius: 7px;
  padding: 8px 14px; font-weight: 600; cursor: pointer; font-size: 13px;
}
.btn:hover { filter: brightness(1.08); }
.btn.sm { padding: 6px 11px; }
.btn.ghost { background: transparent; color: var(--ink-dim); border: 1px solid var(--line); }
.btn.ghost:hover { color: var(--ink); border-color: var(--ink-dim); }
.btn.primary { font-size: 15px; padding: 11px 20px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Layout */
.split { flex: 1; display: grid; grid-template-columns: 1fr 1fr; min-height: 0; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } .trace { display: none; } }
.pane { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.chat { border-right: 1px solid var(--line); }

/* Messages */
.messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 86%; padding: 10px 13px; border-radius: 12px; white-space: pre-wrap; word-wrap: break-word; line-height: 1.45; }
.msg.user { align-self: flex-end; background: var(--accent); color: #0b1020; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: var(--panel-2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg.err { align-self: stretch; background: #2a1416; border: 1px solid var(--bad); color: #ffb4ad; font: 12px/1.5 var(--mono); }
.msg .role { display: block; font: 600 10px var(--mono); text-transform: uppercase; letter-spacing: .08em; opacity: .65; margin-bottom: 4px; }
.cursor::after { content: "▍"; color: var(--ink-dim); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Message body: pre-wrap while streaming plain text; normal once Markdown-rendered. */
.msg .body { white-space: pre-wrap; }
.msg .body.md { white-space: normal; }
/* Rendered Markdown inside a bot bubble */
.msg .md div { min-height: 1em; }
.msg .md h3, .msg .md h4 { margin: 10px 0 4px; line-height: 1.25; }
.msg .md h3 { font-size: 15px; }
.msg .md h4 { font-size: 13.5px; }
.msg .md ul { margin: 4px 0; padding-left: 20px; }
.msg .md li { margin: 2px 0; }
.msg .md strong { font-weight: 700; }
.msg .md code { font: 12px var(--mono); background: rgba(255,255,255,.08); padding: 1px 5px; border-radius: 4px; }
.msg .md a { color: var(--accent); }
.msg .md br { line-height: 1.2; }

/* Empty-state hint */
.emptyhint { margin: auto; max-width: 52ch; text-align: center; color: var(--ink-dim); font-size: 13px; line-height: 1.6; }

/* Batch results download link */
.dl-link { display: inline-block; margin-top: 10px; color: var(--accent); text-decoration: none; border: 1px solid var(--line); border-radius: 7px; padding: 7px 12px; font-size: 13px; font-weight: 600; }
.dl-link:hover { border-color: var(--accent); background: rgba(91,156,255,.08); }

/* app_context */
.ctx { border-top: 1px solid var(--line); background: var(--panel); }
.ctx summary { padding: 8px 16px; cursor: pointer; color: var(--ink-dim); font-size: 12px; }
.ctx-box { width: calc(100% - 32px); margin: 0 16px 12px; background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 7px; padding: 8px; font: 12px var(--mono); resize: vertical; }

/* Composer */
.composer { border-top: 1px solid var(--line); padding: 12px 16px; background: var(--panel); display: flex; flex-direction: column; gap: 8px; }
.prompt { width: 100%; background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 10px; font: 14px var(--sans); resize: vertical; }
.prompt:focus, .ctx-box:focus { outline: none; border-color: var(--accent); }
.composer-actions { display: flex; align-items: center; gap: 8px; }
.sessionline { font: 11px var(--mono); color: var(--ink-dim); }
.spacer { flex: 1; }

/* Trace */
.trace { background: var(--panel); }
.trace-head { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.rawtoggle { font: 12px var(--mono); color: var(--ink-dim); display: flex; align-items: center; gap: 5px; cursor: pointer; }
.trace-list { flex: 1; overflow-y: auto; padding: 10px 12px; font: 12px/1.5 var(--mono); display: flex; flex-direction: column; gap: 6px; }
.tr { border: 1px solid var(--line); border-radius: 7px; padding: 7px 9px; background: var(--panel-2); }
.tr .tr-head { display: flex; align-items: center; gap: 8px; }
.tr .tr-kind { font-weight: 700; }
.tr .tr-time { color: var(--ink-dim); margin-left: auto; }
.tr.k-tool .tr-kind { color: var(--tool); }
.tr.k-error .tr-kind { color: var(--bad); }
.tr.k-status .tr-kind { color: var(--good); }
.tr.k-text .tr-kind { color: var(--ink-dim); }
.tr.k-meta .tr-kind { color: var(--accent); }
.tr.k-event .tr-kind { color: var(--ink-dim); opacity: .7; }
.tr pre { margin: 6px 0 0; white-space: pre-wrap; word-break: break-word; color: var(--ink-dim); max-height: 320px; overflow: auto; }
.tr .summary { color: var(--ink); margin-top: 3px; }

/* Sign-in */
.signin { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 34px; max-width: 440px; text-align: center; }
.card h1 { margin: 0 0 8px; font-size: 22px; }
.card p { color: var(--ink-dim); line-height: 1.55; }
.warn { color: var(--warn); font: 12px var(--mono); margin-top: 14px; }

/* Toast */
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--panel-2); border: 1px solid var(--line); color: var(--ink); padding: 10px 16px; border-radius: 9px; font-size: 13px; box-shadow: 0 8px 30px rgba(0,0,0,.4); }