/* ══════════════════════════════════════════════════════════════
   AI 控制台 · 布局层
   规则：只写布局（尺寸/间距/排列），颜色/圆角/阴影/字体一律用
         m3.css 令牌。本文件不出现任何十六进制颜色。
   ══════════════════════════════════════════════════════════════ */

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

body.app {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  display: grid;
  grid-template-columns: 224px 1fr;
  height: 100vh;
  overflow: hidden;
  transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}

/* ── 左栏 ─────────────────────────────────────────────────── */
.rail {
  display: flex; flex-direction: column;
  background: var(--brand-surface);
  color: var(--on-brand);
  border-right: 1px solid var(--brand-line);
  padding: 16px 10px 10px;
  min-height: 0;
  transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.rail-brand { display: flex; align-items: center; gap: 9px; padding: 2px 8px 18px; }
.rail-mark { width: 22px; height: 22px; color: var(--on-brand); display: grid; place-items: center; flex: none; }
.rail-mark svg { width: 22px; height: 22px; }

.rail-nav { display: flex; flex-direction: column; gap: 2px; }
.rail-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 9px 10px;
  border: 0; border-radius: var(--r-sm);
  background: none;
  color: color-mix(in srgb, var(--on-brand) 74%, transparent);
  font-family: inherit; text-align: left; cursor: pointer;
  transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.rail-item:hover { background: color-mix(in srgb, var(--on-brand) 10%, transparent); color: var(--on-brand); }
.rail-item:active { background: color-mix(in srgb, var(--on-brand) 16%, transparent); }
.rail-item.is-on {
  background: color-mix(in srgb, var(--on-brand) 18%, transparent);
  color: var(--on-brand); font-weight: 500;
}
.rail-ic { width: 18px; height: 18px; flex: none; display: grid; place-items: center; }
.rail-ic svg { width: 18px; height: 18px; }

.rail-foot {
  margin-top: auto; padding-top: 12px;
  border-top: 1px solid var(--brand-line);
  display: flex; flex-direction: column; gap: 4px;
}
.rail-stat { display: flex; align-items: center; gap: 8px; padding: 7px 10px; color: color-mix(in srgb, var(--on-brand) 55%, transparent); }
.dot {
  width: 6px; height: 6px; border-radius: var(--r-full);
  background: var(--dim); flex: none;
  transition: background var(--dur-2) var(--ease);
}
.dot.on { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-container); }
.dot.off { background: var(--danger); }

/* ── 主区 ─────────────────────────────────────────────────── */
.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }

.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 0 20px 0 24px; height: 56px; flex: none;
  border-bottom: 1px solid var(--brand-line);
  background: var(--brand-surface);
  color: var(--on-brand);
  transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.topbar h1 { margin: 0; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.tb-menu-wrap { position: relative; }
#themeMenu {
  position: absolute; top: calc(100% + 8px); right: 0;
  opacity: 0; transform: translateY(-6px) scale(.97); transform-origin: top right;
  transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
#themeMenu.on { opacity: 1; transform: none; }

.view { flex: 1; overflow: auto; padding: 22px 24px 40px; min-height: 0; }
.view[hidden] { display: none; }
.view-fill { display: flex; flex-direction: column; }

.sec-head { display: flex; align-items: baseline; gap: 8px; margin: 26px 0 12px; }
.sec-head:first-child { margin-top: 0; }
.sec-head h2 { margin: 0; }

/* ── 状态卡（用 .card）───────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(152px, 1fr)); gap: 12px; }
.card2 { padding: 14px 16px; }
.card2 .k { color: var(--dim); margin-bottom: 5px; }
.card2 .v { font-family: var(--font-display); font-size: 19px; font-weight: 500;
  letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.card2 .s { color: var(--dim); margin-top: 3px; }
.card2 .bar { height: 3px; border-radius: var(--r-full); background: var(--surface-3);
  margin-top: 9px; overflow: hidden; }
.card2 .bar i { display: block; height: 100%; border-radius: var(--r-full);
  transition: width .4s var(--ease); }

/* ── 站点 ─────────────────────────────────────────────────── */
.site-list { display: flex; flex-direction: column; gap: 8px; }
.site {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}
.site:hover { box-shadow: var(--elev-1); border-color: transparent; }
.site .dom { font-weight: 500; color: var(--ink); }
.site .tgt { color: var(--dim); font-family: var(--font-mono); font-size: 11.5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.site .meta { color: var(--dim); font-family: var(--font-mono); font-size: 11.5px;
  white-space: nowrap; flex: none; }
.site .grow { flex: 1; min-width: 0; }

/* ── 服务 ─────────────────────────────────────────────────── */
.svc-list { display: flex; flex-direction: column; gap: 8px; }
.svc {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--r-md); border: 1px solid var(--line);
  background: var(--surface);
}
.svc .nm { flex: 0 0 170px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.svc .ds { flex: 1; min-width: 0; color: var(--dim); font-family: var(--font-mono); font-size: 11.5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.svc .acts { display: flex; gap: 6px; flex: none; }

/* ── 终端 ─────────────────────────────────────────────────── */
.term-wrap { display: flex; flex-direction: column; flex: 1; gap: 12px; min-height: 0; }
.term-input { display: flex; align-items: center; gap: 10px; }
.term-prompt { color: var(--accent); flex: none; }
.term-input .input { flex: 1; }
.term {
  flex: 1; margin: 0; padding: 16px; border-radius: var(--r-md); overflow: auto;
  border: 1px solid var(--line);
  background: var(--surface-2);
  font-family: var(--font-mono);
  font-size: 12.5px; line-height: 1.65;
  white-space: pre-wrap; word-break: break-all;
  color: var(--ink-2);
  min-height: 200px;
}

/* ── 对话占位 ─────────────────────────────────────────────── */
.chat-empty { max-width: 600px; margin: 9vh auto 0; text-align: center; }
.chat-empty-mark { width: 44px; height: 44px; margin: 0 auto 18px; color: var(--accent); }
.chat-empty-mark svg { width: 44px; height: 44px; }
.chat-empty h2 { margin: 0 0 10px; }
.chat-empty p { margin: 0 0 24px; line-height: 1.75; }
.chat-suggest { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 26px; }

/* ── 登录页 ───────────────────────────────────────────────── */
body.lgn {
  display: grid; place-items: center;
  background: var(--bg); color: var(--ink);
  font-family: var(--font-sans); font-size: 14px;
  min-height: 100vh; margin: 0; padding: 24px;
  transition: background var(--dur-2) var(--ease);
}
.lgn-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  display: flex; justify-content: flex-end; align-items: center; gap: 8px;
  padding: 14px 20px;
}
.lgn-topbar > * { pointer-events: auto; }
.lgn-card {
  width: 100%; max-width: 348px; padding: 40px 34px 30px;
  text-align: center;
}
.lgn-mark { width: 40px; height: 40px; margin: 0 auto 18px; color: var(--accent); }
.lgn-mark svg { width: 40px; height: 40px; }
.lgn-card h1 { margin: 0 0 6px; }
.lgn-card p.t-body-sm { margin: 0 0 24px; }
.lgn-card form { display: flex; flex-direction: column; gap: 12px; }
.lgn-card .input { text-align: center; letter-spacing: .1em; }
.lgn-err { min-height: 20px; margin: 14px 0 0; color: var(--danger); }

@media (max-width: 760px) {
  body.app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .rail { flex-direction: row; align-items: center; padding: 8px 10px;
          border-right: 0; border-bottom: 1px solid var(--line); overflow-x: auto; }
  .rail-brand { display: none; }
  .rail-nav { flex-direction: row; gap: 2px; }
  .rail-item span.t-body { display: none; }
  .rail-item { padding: 9px; }
  .rail-foot { margin: 0 0 0 auto; padding: 0; border: 0; flex-direction: row; }
  .rail-stat { display: none; }
  .topbar { padding: 0 12px; height: 52px; }
  .topbar-right .badge { display: none; }
  .view { padding: 16px; }
  .svc .nm { flex-basis: 104px; }
  .svc .acts .btn-text:first-child { display: none; }
  .site .meta { display: none; }
}

/* ── 对话 ─────────────────────────────────────────────────── */
.chat-scroll { flex: 1; overflow: auto; min-height: 0; padding: 4px 0 20px; }
.chat-list { display: flex; flex-direction: column; gap: 18px; max-width: 760px; margin: 0 auto; }

.msg-user {
  align-self: flex-end; max-width: 82%;
  padding: 10px 15px; border-radius: var(--r-lg);
  background: var(--accent-container); color: var(--ink);
  font-size: 14px; line-height: 1.65; white-space: pre-wrap; word-break: break-word;
}
.msg-ai { align-self: flex-start; max-width: 100%; font-size: 14px; line-height: 1.75; color: var(--ink); }
.msg-ai p { margin: 0 0 10px; }
.msg-ai p:last-child { margin-bottom: 0; }
.msg-ai code {
  font-family: var(--font-mono); font-size: .9em;
  padding: 1px 6px; border-radius: var(--r-xs); background: var(--surface-2);
}

/* 工具调用卡 */
.tool {
  margin: 10px 0; border-radius: var(--r-md); border: 1px solid var(--line);
  background: var(--surface); overflow: hidden;
}
.tool-head {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 13px; cursor: pointer;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-2);
  transition: background var(--dur-2) var(--ease);
}
.tool-head:hover { background: var(--state); }
.tool-head .dot2 { width: 6px; height: 6px; border-radius: var(--r-full); flex: none; }
.tool-head .dot2.ok { background: var(--ok); }
.tool-head .dot2.deny { background: var(--warn); }
.tool-head .nm2 { font-weight: 500; color: var(--ink); }
.tool-head .ar { margin-left: auto; color: var(--dim); transition: transform var(--dur-2) var(--ease); }
.tool.open .tool-head .ar { transform: rotate(90deg); }
.tool-body { display: none; padding: 0 13px 12px; }
.tool.open .tool-body { display: block; }
.tool-body .k { color: var(--dim); font-size: 11px; margin: 8px 0 4px; }
.tool-body pre {
  margin: 0; padding: 10px 12px; border-radius: var(--r-sm);
  background: var(--surface-2); font-family: var(--font-mono);
  font-size: 11.5px; line-height: 1.6; max-height: 280px; overflow: auto;
  white-space: pre-wrap; word-break: break-all; color: var(--ink-2);
}

/* 审批卡 */
.approve {
  margin: 12px 0; padding: 15px 16px; border-radius: var(--r-md);
  border: 1px solid var(--warn); background: var(--warn-container);
}
.approve .t1 { display: flex; align-items: center; gap: 8px; font-weight: 500;
  color: var(--ink); margin-bottom: 8px; }
.approve .why { font-size: 13px; line-height: 1.7; color: var(--ink-2); margin-bottom: 10px; }
.approve pre { margin: 0 0 12px; padding: 10px 12px; border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  font-family: var(--font-mono); font-size: 12px; line-height: 1.6;
  white-space: pre-wrap; word-break: break-all; color: var(--ink); }
.approve .acts2 { display: flex; gap: 8px; }
.approve .done { font-size: 12px; color: var(--ink-2); }

/* 输入区 */
.composer {
  flex: none; display: flex; align-items: flex-end; gap: 10px;
  position: relative; z-index: 30;
  padding: 14px 24px 20px; border-top: 1px solid var(--line);
  max-width: 808px; margin: 0 auto; width: 100%;
}
.composer-input {
  flex: 1; resize: none; max-height: 180px; line-height: 1.6;
  padding: 11px 14px; font-family: inherit; font-size: 14px;
}
.composer .btn { flex: none; height: 44px; }

.typing { display: flex; align-items: center; gap: 6px; color: var(--dim); font-size: 13px; }
.typing i {
  width: 5px; height: 5px; border-radius: var(--r-full); background: var(--dim);
  animation: blink 1.2s infinite;
}
.typing i:nth-child(2) { animation-delay: .2s; }
.typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,60%,100%{opacity:.25} 30%{opacity:1} }

.msg-ai ul { margin: 0 0 10px; padding-left: 20px; }
.msg-ai li { margin: 3px 0; }
.msg-ai p.gap { margin: 0 0 6px; height: 2px; }
.msg-ai blockquote {
  margin: 0 0 10px; padding: 6px 12px; border-left: 3px solid var(--line);
  color: var(--muted); background: var(--surface-2); border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.msg-ai strong { font-weight: 600; color: var(--ink); }
.msg-ai a { color: var(--accent); text-decoration: none; }
.msg-ai a:hover { text-decoration: underline; }

/* ── 对话历史（左栏下部）──────────────────────────────── */
.conv-head {
  display: flex; align-items: center; gap: 6px;
  padding: 14px 8px 6px; margin-top: 6px;
  border-top: 1px solid var(--brand-line);
}
.conv-head .icon-btn { width: 28px; height: 28px; margin-left: auto; color: inherit; }
.conv-head .icon-btn:hover { background: color-mix(in srgb, var(--on-brand) 12%, transparent); }
.conv-list { flex: 1; overflow-y: auto; min-height: 40px; padding-bottom: 8px; }
.conv-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 7px 9px; border: 0; border-radius: var(--r-sm);
  background: none; color: color-mix(in srgb, var(--on-brand) 70%, transparent);
  font: inherit; font-size: 12.5px; text-align: left; cursor: pointer;
  transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.conv-item:hover { background: color-mix(in srgb, var(--on-brand) 10%, transparent); color: var(--on-brand); }
.conv-item.is-on { background: color-mix(in srgb, var(--on-brand) 18%, transparent); color: var(--on-brand); }
.conv-item .ttl { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-item .del {
  opacity: 0; font-size: 15px; line-height: 1; padding: 0 3px;
  color: inherit; background: none; border: 0; cursor: pointer; flex: none;
}
.conv-item:hover .del { opacity: .55; }
.conv-item .del:hover { opacity: 1; }
.conv-empty { padding: 10px 9px; font-size: 12px; color: color-mix(in srgb, var(--on-brand) 45%, transparent); }

/* ── 输入区（含模型选择）──────────────────────────────── */
.composer-box {
  flex: 1; display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--surface);
  transition: border-color var(--dur-2) var(--ease);
}
.composer-box:focus-within { border-color: var(--accent); }
.composer-box .composer-input {
  border: 0; border-radius: 0; background: transparent;
  padding: 11px 14px 2px;
  flex: none;
  min-height: 0; height: auto; max-height: 160px;
  box-shadow: none;
  overflow-y: hidden;
  line-height: 1.6;
  box-sizing: border-box;
}
.composer-box .composer-input:hover,
.composer-box .composer-input:focus {
  background: transparent;
  box-shadow: none;
}
.composer-box .composer-input::placeholder { color: var(--dim); }
.composer-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 8px 8px 10px;
}
.model-wrap { position: relative; }
.model-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font: inherit; font-size: 12px; padding: 5px 10px;
  border-radius: var(--r-full); border: 1px solid var(--line);
  background: transparent; color: var(--muted); cursor: pointer;
  transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.model-btn:hover { background: var(--state); color: var(--ink); }
.model-btn svg { width: 12px; height: 12px; }
.model-dot { width: 6px; height: 6px; border-radius: var(--r-full); background: var(--accent); flex: none; }
.model-menu {
  position: absolute; bottom: calc(100% + 6px); left: 0;
  min-width: 240px; z-index: 200;
}
.model-menu .menu-item { align-items: flex-start; flex-direction: column; gap: 2px; }
.model-menu .mi-name { font-weight: 500; font-size: 13px; }
.model-menu .mi-desc { font-size: 11px; color: var(--dim); }
.composer-bar .btn { margin-left: auto; height: 32px; padding: 0 16px; font-size: 13px; }

/* 流式文本与错误 */
.ai-text { white-space: normal; }
.ai-err { color: var(--danger); font-size: 13px; margin-top: 6px; }
.msg-user + .msg-ai { margin-top: 4px; }
.typing { padding: 4px 0; }

/* 推理强度选择 */
.effort-row { display: flex; gap: 4px; padding: 4px 6px 8px; }
.effort-btn {
  flex: 1; font: inherit; font-size: 12px; padding: 6px 0;
  border-radius: var(--r-sm); border: 1px solid var(--line);
  background: transparent; color: var(--muted); cursor: pointer;
  transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.effort-btn:hover { background: var(--state); color: var(--ink); }
.effort-btn.on { background: var(--accent-container); color: var(--accent); border-color: transparent; font-weight: 500; }