/* ===== Agent 协作聊天室 · 简洁工业风 · 多色主题 ===== */

:root {
  /* 深色工业基底（默认主题：石墨青） */
  --bg: #0f1115;
  --bg-grid: rgba(255, 255, 255, 0.022);
  --panel: #161920;
  --panel-2: #1b1f27;
  --line: #262b35;
  --line-strong: #363d4a;
  --text: #e6e8ec;
  --muted: #8b93a1;
  --faint: #5b6270;

  --accent: #38bdf8;
  --accent-ink: #04121c;
  --live: #34d399;
  --ended: #f59e0b;
  --danger: #ef4444;

  --sans: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  --r: 3px;
}

:root[data-theme="amber"] {
  --accent: #f59e0b; --accent-ink: #1a1204;
}
:root[data-theme="green"] {
  --accent: #4ade80; --accent-ink: #04140a;
  --live: #4ade80;
}
:root[data-theme="magenta"] {
  --accent: #e879f9; --accent-ink: #1a041c;
}
:root[data-theme="mono"] {
  --accent: #d4d4d8; --accent-ink: #18181b;
  --live: #a3a3a3; --ended: #d4d4d8;
}
:root[data-theme="blueprint"] {
  --bg: #eef1f5; --bg-grid: rgba(30, 50, 90, 0.05);
  --panel: #ffffff; --panel-2: #f5f7fa;
  --line: #d3dae3; --line-strong: #b9c2cf;
  --text: #1a2230; --muted: #5a6678; --faint: #8b96a8;
  --accent: #2563eb; --accent-ink: #ffffff;
  --live: #16a34a; --ended: #d97706; --danger: #dc2626;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--text);
  font: 15px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.center { text-align: center; }

/* 工业微标签：等宽、大写、字距 */
.micro {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

a { color: var(--accent); }

/* ===== 顶栏 ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.room-id {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}
.topbar-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.count { display: inline-flex; align-items: baseline; gap: 6px; }
.count b { color: var(--text); font-size: 13px; }

/* LED 状态点 */
.led {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--live) 18%, transparent),
              0 0 8px var(--live);
  flex: none;
}
.led.ended {
  background: var(--ended);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ended) 18%, transparent);
}

/* ===== 主题选择器 ===== */
.theme-picker { display: inline-flex; align-items: center; gap: 8px; }
.theme-picker .micro { margin-right: 2px; }
.swatches { display: inline-flex; gap: 6px; }
.swatch {
  width: 20px; height: 20px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  background: var(--sw);
  transition: transform 0.12s ease;
}
.swatch:hover { transform: scale(1.12); }
.swatch.active {
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--sw);
}

/* ===== 布局 ===== */
.wrap { max-width: 920px; margin: 0 auto; padding: 24px 16px 64px; }
.page-head { margin: 8px 0 20px; }
.page-head h1 {
  font-size: 24px;
  margin: 6px 0 8px;
  letter-spacing: 0.01em;
}
.page-head p { margin: 0; color: var(--muted); }

/* 面板 */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px;
  margin: 16px 0;
}
.panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  margin: 0 0 14px;
}
.panel-title::before {
  content: "";
  width: 3px; height: 14px;
  background: var(--accent);
  flex: none;
}
.panel h3 {
  font-size: 13px;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 18px 0 8px;
}

/* ===== 表单控件 ===== */
label { display: block; margin: 10px 0; color: var(--muted); font-size: 13px; }
input, textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 9px 11px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--text);
  font: inherit;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
input[type="number"] { max-width: 120px; }
input[type="checkbox"]:not(.switch) { accent-color: var(--accent); width: 15px; height: 15px; vertical-align: -2px; margin-right: 6px; }
.options { display: flex; flex-direction: column; gap: 10px; margin: 14px 0; }
.option { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel-2); cursor: pointer; transition: border-color .15s, background .15s; margin: 0; }
.option:hover { border-color: var(--line-strong); }
.option:has(input:checked) { border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: color-mix(in srgb, var(--accent) 7%, var(--panel-2)); }
.option-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.option-title { font: 600 14px var(--sans); color: var(--text); }
.option-desc { font-size: 12.5px; color: var(--muted); line-height: 1.5; }
.switch { appearance: none; -webkit-appearance: none; width: 38px; height: 22px; border-radius: 999px; background: var(--line-strong); border: 1px solid var(--line-strong); position: relative; cursor: pointer; transition: background .15s, border-color .15s; margin: 2px 0 0; flex: none; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--muted); transition: transform .15s, background .15s; }
.switch:checked { background: color-mix(in srgb, var(--accent) 35%, var(--panel)); border-color: var(--accent); }
.switch:checked::after { transform: translateX(16px); background: var(--accent); }
.switch:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.topbar-home { padding: 5px 12px; font-size: 12px; text-decoration: none; display: inline-flex; align-items: center; }
.row { display: flex; gap: 12px; align-items: center; }
.row > * { flex: 1; }
.row > .flex-none { flex: none; }
.field { display: flex; align-items: center; gap: 12px; margin: 12px 0; }
.field label { margin: 0; flex: none; }

button, .btn {
  padding: 9px 18px;
  background: var(--accent);
  border: 1px solid transparent;
  border-radius: var(--r);
  color: var(--accent-ink);
  font: 600 14px var(--sans);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: filter 0.12s ease;
}
button:hover, .btn:hover { filter: brightness(1.08); }
button:disabled { opacity: 0.45; cursor: default; filter: none; }
button.danger { background: var(--danger); color: #fff; }
button.ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text);
  font-weight: 500;
}
button.ghost:hover { border-color: var(--accent); color: var(--accent); filter: none; }

/* ===== 命令块 ===== */
.cmd-block { position: relative; margin: 10px 0; }
.cmd-block pre {
  margin: 0;
  padding: 12px 76px 12px 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--r);
  font: 12px/1.6 var(--mono);
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text);
}
.cmd-block button {
  position: absolute;
  top: 8px; right: 8px;
  padding: 4px 12px;
  font-size: 12px;
}

/* ===== 步骤 / 代码 ===== */
.steps { padding-left: 20px; margin: 8px 0; color: var(--muted); }
.steps li { margin: 8px 0; }
code {
  padding: 1px 6px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r);
  font: 12px var(--mono);
  color: var(--text);
}

/* ===== 状态徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 11px;
  border-radius: 999px;
  font: 600 12px var(--sans);
  color: var(--muted);
  background: color-mix(in srgb, var(--muted) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--muted) 25%, transparent);
}
.badge::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.badge.live {
  color: var(--live);
  background: color-mix(in srgb, var(--live) 12%, transparent);
  border-color: color-mix(in srgb, var(--live) 35%, transparent);
}
.badge.ended {
  color: var(--ended);
  background: color-mix(in srgb, var(--ended) 12%, transparent);
  border-color: color-mix(in srgb, var(--ended) 35%, transparent);
}
.badge.private {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

/* ===== 在线 roster ===== */
.roster-list { display: flex; flex-wrap: wrap; gap: 8px; }
.roster-chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel-2); }
.roster-led { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none; }
.roster-chip.thinking .roster-led { background: var(--accent); animation: pulse 1s infinite; }
.roster-chip.responding .roster-led { background: var(--live); animation: pulse .6s infinite; }
.roster-name { font: 600 13px var(--sans); }
.roster-status { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
@keyframes pulse { 50% { opacity: .35; } }
.msg.typing { border-left-style: dashed; opacity: .85; }
.typing-text { color: var(--muted); }
.typing-text::after { content: "▌"; animation: pulse .8s infinite; }
.human-bar { display: flex; gap: 8px; align-items: center; }
.human-bar input { flex: 1; }
.human-bar #human-name { max-width: 160px; flex: none; }
select { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); border-radius: var(--r); padding: 9px 12px; }
.lang-picker { display: inline-flex; align-items: center; gap: 8px; }
.lang-switch { display: inline-flex; border: 1px solid var(--line-strong); border-radius: var(--r); overflow: hidden; }
.lang-btn { padding: 4px 10px; background: transparent; border: none; border-radius: 0; color: var(--muted); font: 600 12px var(--sans); cursor: pointer; }
.lang-btn + .lang-btn { border-left: 1px solid var(--line-strong); }
.lang-btn.active { background: var(--accent); color: var(--accent-ink); }
.lang-btn:hover:not(.active) { color: var(--text); background: var(--panel-2); }
.lobby-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.lobby-row { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel-2); text-decoration: none; color: var(--text); }
.lobby-row:hover { border-color: var(--accent); }
.lobby-title { flex: 1; font: 600 14px var(--sans); }
.lobby-theme { color: var(--muted); font-size: 12px; }
#signals { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.signal { border: 1px solid var(--line-strong); border-left: 3px solid var(--accent); border-radius: var(--r); background: var(--panel); padding: 10px 14px; }
.signal.result { border-left-color: var(--live); }
.signal.summary { border-left-color: var(--muted); }
.signal-title { font-size: 11px; letter-spacing: .06em; color: var(--muted); margin-bottom: 4px; }
.signal-text { white-space: pre-wrap; font-size: 14px; }
.signal.decision { border-left-color: var(--muted); }
.signal.decision.reached { border-left-color: var(--live); }
.signal-title .smoke { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--faint); border: 1px solid var(--line-strong); margin-right: 6px; vertical-align: -1px; }
.signal.decision.reached .smoke { background: #f5f7fa; border-color: #f5f7fa; box-shadow: 0 0 0 3px rgba(245,247,250,.16), 0 0 10px rgba(245,247,250,.65); animation: smokeRise 2.4s ease-in-out infinite; }
@keyframes smokeRise { 0%,100% { transform: translateY(0); opacity: .85; } 50% { transform: translateY(-2px); opacity: 1; } }
.signal-meta { font-size: 11px; color: var(--muted); margin-top: 6px; }
.export-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.export-bar .micro { margin-right: auto; }
.export-bar .btn { padding: 6px 14px; font-size: 13px; }
.btn.ghost { background: transparent; border-color: var(--line-strong); color: var(--text); font-weight: 500; }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); filter: none; }

/* ===== 管理条 ===== */
.admin {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  border-left: 3px solid var(--accent);
}
.admin .grow { flex: 1; }
.admin button { flex: none; }

/* ===== 对话记录（转录日志） ===== */
.log-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.chat { display: flex; flex-direction: column; gap: 12px; }

/* 每个 agent 的颜色由 JS 以 --ac 注入（黄金角 HSL），支持任意数量 */
.msg {
  display: flex;
  background: color-mix(in srgb, var(--ac) 6%, var(--panel));
  border: 1px solid var(--line);
  border-left: 3px solid var(--ac);
  border-radius: var(--r);
  overflow: hidden;
}
.msg-main { flex: 1; min-width: 0; padding: 12px 16px; }
.msg-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.agent-tag {
  min-width: 22px; height: 22px;
  padding: 0 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r);
  font: 700 12px var(--mono);
  color: var(--accent-ink);
  background: var(--ac);
  flex: none;
}
.agent-name {
  font: 600 12px var(--mono);
  letter-spacing: 0.08em;
  color: var(--ac);
}
.msg-seq { font-size: 12px; color: var(--muted); }
.msg-time { font-size: 12px; color: var(--faint); margin-left: auto; }
.msg-text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}
.msg-files { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

.attach {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  font: 12px var(--mono);
  color: var(--accent);
  text-decoration: none;
}
.attach:hover { border-color: var(--accent); }
.attach .sz { color: var(--muted); }
.attach::before { content: "▤"; color: var(--muted); }

.system {
  text-align: center;
  color: var(--faint);
  font: 12px var(--mono);
  letter-spacing: 0.06em;
  margin: 4px 0;
  padding: 6px;
}

footer { margin-top: 28px; font-size: 12px; }

@media (max-width: 600px) {
  .msg-time { margin-left: 0; width: 100%; }
  .topbar-inner { gap: 10px; }
}