:root {
  color: #202124;
  background: #eef1f2;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
button, textarea { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .55; }

.workspace {
  width: min(1180px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 400px);
  background: #fff;
  border-inline: 1px solid #d9dddf;
}

.host-shell { min-width: 0; display: grid; grid-template-rows: auto 1fr auto; min-height: 100vh; border-right: 1px solid #dfe3e5; }
.host-header { height: 72px; display: flex; align-items: center; gap: 12px; padding: 12px 20px; border-bottom: 1px solid #e3e6e8; }
.host-header h1 { margin: 0; font-size: 17px; }
.host-header p { margin: 3px 0 0; color: #25844a; font-size: 12px; }
.avatar { width: 42px; height: 42px; display: grid; place-items: center; background: #1e6654; color: #fff; border-radius: 6px; font-weight: 700; }
.environment { margin-left: auto; color: #697276; font-size: 12px; border: 1px solid #ccd2d4; padding: 4px 7px; border-radius: 4px; }
.messages { min-height: 0; overflow-y: auto; padding: 28px 24px; background: #f6f7f7; }
.message { width: min(72%, 520px); margin-bottom: 20px; }
.message > span { display: block; margin-bottom: 6px; color: #6f787c; font-size: 12px; }
.message p { margin: 0; padding: 11px 13px; line-height: 1.6; background: #fff; border: 1px solid #dde1e2; border-radius: 6px; }
.message--mine { margin-left: auto; }
.message--mine > span { text-align: right; }
.message--mine p { color: #fff; background: #246958; border-color: #246958; }
.composer { padding: 16px 20px 20px; border-top: 1px solid #dfe3e5; background: #fff; }
.composer label { display: block; margin-bottom: 7px; color: #5c6569; font-size: 12px; }
.composer textarea { width: 100%; resize: vertical; min-height: 76px; padding: 10px 12px; border: 1px solid #c8ced0; border-radius: 5px; outline: none; }
.composer textarea:focus { border-color: #1e6654; box-shadow: 0 0 0 2px rgba(30, 102, 84, .12); }
.composer button { float: right; min-width: 82px; height: 36px; margin-top: 10px; border: 0; border-radius: 5px; color: #fff; background: #1e6654; }
.assistant-shell { min-width: 0; padding: 20px; background: #f2f4f4; }

.chataid-panel { color: #202426; }
.chataid-panel__header { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding-bottom: 16px; border-bottom: 1px solid #d6dcde; }
.chataid-panel__eyebrow { color: #1e6654; font-size: 10px; font-weight: 700; }
.chataid-panel h2 { margin: 5px 0 0; font-size: 18px; }
.chataid-panel__status { flex: none; padding: 4px 7px; border-radius: 4px; background: #fff; border: 1px solid #cbd2d4; color: #5e676b; font-size: 11px; }
.chataid-panel__status[data-state="ready"], .chataid-panel__status[data-state="applied"], .chataid-panel__status[data-state="sent"] { color: #216a43; border-color: #98c5aa; background: #edf8f1; }
.chataid-panel__error { margin-top: 14px; padding: 10px 12px; display: grid; gap: 4px; border-left: 3px solid #b33b32; background: #fff2f0; color: #7f2923; font-size: 12px; }
.chataid-panel__empty { padding: 34px 8px; text-align: center; color: #778084; font-size: 13px; }
.chataid-panel__risk { display: flex; justify-content: space-between; gap: 12px; margin-top: 14px; padding: 9px 11px; background: #e8f4ed; border-left: 3px solid #3a825b; color: #28583f; font-size: 12px; }
.chataid-panel__risk p { margin: 0; }
.chataid-panel__risk[data-risk="medium"], .chataid-panel__risk[data-risk="high"] { background: #fff4dc; border-color: #b27614; color: #78500e; }
.chataid-panel__candidates { display: grid; gap: 10px; margin-top: 14px; }
.chataid-candidate { padding: 13px; background: #fff; border: 1px solid #d6dcde; border-radius: 6px; }
.chataid-candidate.is-selected { border-color: #4f907c; box-shadow: inset 3px 0 #2b735f; }
.chataid-candidate__meta { min-height: 20px; display: flex; justify-content: space-between; color: #687175; font-size: 11px; }
.chataid-candidate__meta strong { color: #287057; }
.chataid-candidate p { margin: 8px 0 14px; line-height: 1.6; font-size: 14px; overflow-wrap: anywhere; }
.chataid-candidate__actions { display: flex; gap: 8px; }
.chataid-button { min-width: 68px; height: 34px; padding: 0 12px; border: 1px solid #aeb7ba; border-radius: 5px; color: #283033; background: #fff; }
.chataid-button--quiet { border-color: transparent; background: #e8ecec; }
.chataid-button--primary { width: 100%; color: #fff; border-color: #1e6654; background: #1e6654; }
.chataid-panel__footer { margin-top: 14px; }

@media (max-width: 760px) {
  .workspace { grid-template-columns: 1fr; border: 0; }
  .host-shell { min-height: 62vh; border-right: 0; }
  .assistant-shell { border-top: 1px solid #d6dcde; }
  .messages { min-height: 300px; padding: 20px 14px; }
  .message { width: 88%; }
}