/* Bedrock Query SPA — house dark palette (matches the workspace dashboards). */
:root {
  --bg: #0f1115; --card: #181b22; --card2: #1f232c; --line: #2a2f3a;
  --fg: #e6e9ef; --mut: #9aa3b2; --accent: #5b9dff; --good: #46c08a;
  --warn: #e0a14a; --bad: #e06a6a; --gp: #b07cff;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg); color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--mut); }
.small { font-size: 12px; }
.fineprint { color: var(--mut); font-size: 12px; margin-top: 14px; }

/* buttons */
.btn {
  border: 1px solid var(--line); background: var(--card2); color: var(--fg);
  border-radius: 10px; padding: 8px 14px; cursor: pointer; font-size: 14px;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #07101f; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.ghost { background: transparent; }
.btn.block { width: 100%; }
.btn.icon { padding: 8px 12px; font-size: 16px; line-height: 1; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* login */
.login { height: 100%; display: grid; place-items: center; }
.login-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 40px; text-align: center; max-width: 360px;
}
.brand { font-size: 22px; font-weight: 700; margin-bottom: 8px; }

/* app shell */
.app { height: 100%; display: grid; grid-template-columns: 260px 1fr; }
.sidebar {
  background: var(--card); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 14px; gap: 12px; min-height: 0;
}
.convlist { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.conv {
  padding: 9px 11px; border-radius: 9px; cursor: pointer; color: var(--mut);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13.5px;
  border: 1px solid transparent;
}
.conv:hover { background: var(--card2); color: var(--fg); }
.conv.active { background: var(--card2); color: var(--fg); border-color: var(--line); }
.sidebar-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; border-top: 1px solid var(--line); padding-top: 10px; }

/* main */
.main { display: grid; grid-template-rows: auto 1fr auto auto; min-height: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px; border-bottom: 1px solid var(--line); gap: 16px;
}
.controls { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.ctl { display: flex; flex-direction: column; gap: 4px; }
.ctl-label { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--mut); }
select {
  background: var(--card2); color: var(--fg); border: 1px solid var(--line);
  border-radius: 9px; padding: 7px 10px; font-size: 13.5px;
}
.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.segmented button {
  background: var(--card2); color: var(--mut); border: 0; padding: 7px 14px;
  cursor: pointer; font-size: 13px; border-right: 1px solid var(--line);
}
.segmented button:last-child { border-right: 0; }
.segmented button.on { background: var(--accent); color: #07101f; font-weight: 600; }
.usage {
  font-size: 12.5px; color: var(--mut); background: var(--card2);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; white-space: nowrap;
}
.usage.warn { color: var(--warn); border-color: var(--warn); }
.usage.bad { color: var(--bad); border-color: var(--bad); }

/* messages */
.messages { overflow-y: auto; padding: 22px 18px; display: flex; flex-direction: column; gap: 18px; }
.empty { color: var(--mut); text-align: center; margin: auto; }
.msg { display: flex; gap: 12px; max-width: 860px; width: 100%; margin: 0 auto; }
.msg .avatar {
  width: 28px; height: 28px; border-radius: 7px; flex: none; display: grid;
  place-items: center; font-size: 14px; background: var(--card2); border: 1px solid var(--line);
}
.msg.user .avatar { background: #20304a; }
.msg.assistant .avatar { background: #2a2140; }
.bubble { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 15px; min-width: 0; flex: 1; }
.msg.user .bubble { background: var(--card2); }
.bubble pre { background: #0b0d12; border: 1px solid var(--line); border-radius: 8px; padding: 11px; overflow-x: auto; font-size: 13px; }
.bubble code { background: #0b0d12; border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; font-size: 13px; }
.bubble pre code { border: 0; padding: 0; background: transparent; }
.bubble p { margin: 0 0 9px; }
.bubble p:last-child { margin-bottom: 0; }
.bubble .chips { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.usagechip { font-size: 11px; color: var(--mut); }
.thinking { color: var(--mut); font-style: italic; }
.errmsg { color: var(--bad); }
.filechip {
  font-size: 12px; background: var(--card2); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 10px; color: var(--fg);
}

/* attachments tray */
.attachments { display: flex; gap: 8px; flex-wrap: wrap; padding: 0 18px; }
.attachments:empty { display: none; }
.attachments .filechip { display: inline-flex; align-items: center; gap: 7px; }
.attachments .filechip button { background: none; border: 0; color: var(--mut); cursor: pointer; font-size: 13px; }
.attachments .filechip.pending { opacity: .6; }

/* composer */
.composer {
  display: flex; align-items: flex-end; gap: 8px; padding: 14px 18px 18px;
  border-top: 1px solid var(--line);
}
textarea#input {
  flex: 1; resize: none; background: var(--card); color: var(--fg);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 11px 13px;
  font: inherit; max-height: 200px;
}
textarea#input:focus { outline: none; border-color: var(--accent); }