/* ============================================================
   Livermore V20 · DeskCraft 小清新设计系统
   理念：纸上清风 —— 低饱和自然色 + 大留白 + 柔和分层
   ============================================================ */
:root {
  /* 画布 */
  --bg:        #F4F6F3;   /* 苔原晨雾 · 页面底 */
  --surface:   #FFFFFF;   /* 纸白 · 卡片 */
  --surface-2: #F0F3EF;   /* 浅苔 · 输入框/表头/次级面 */

  /* 墨色 */
  --ink:       #22303C;   /* 主墨 · 标题/大数字 */
  --ink-2:     #64707C;   /* 淡墨 · 说明文字 */
  --ink-3:     #94A0AC;   /* 雾墨 · 占位/禁用/辅助 */
  --line:      #E4E9E4;   /* 细线 · 分隔/描边 */
  --line-strong: #CFD8CF; /* 实线 · 输入框描边 */

  /* 主色（鼠尾草绿 · 沉静克制） */
  --sage:      #5F8A72;   /* 主操作/选中/对话主色 */
  --sage-deep: #4A7159;   /* 主按钮 hover */
  --sage-soft: #E8F0EA;   /* 主色浅底 */
  --sage-ring: rgba(95,138,114,.22); /* focus ring */

  /* 语义色（低饱和） */
  --up:        #C25E4A;   /* 涨红 · 陶土红（硬性要求：涨红） */
  --up-soft:   #F9ECE8;
  --down:      #3E8E68;   /* 跌绿 · 苔绿（硬性要求：跌绿） */
  --down-soft: #E9F3ED;
  --block:     #B5544A;   /* 拦截/风险 · 赭红 */
  --block-soft:#F8ECEA;
  --amber:     #C08A3E;   /* 观察/待确认 · 蜜黄 */
  --amber-soft:#F7EFE2;
  --sky:       #5B8FB9;   /* 进行中/信息 · 雾蓝 */
  --sky-soft:  #E9F1F7;

  /* 布局与层次 */
  --radius:   16px;
  --radius-s: 10px;
  --shadow:    0 1px 2px rgba(34,48,60,.04), 0 6px 20px rgba(34,48,60,.06);
  --shadow-sm: 0 1px 3px rgba(34,48,60,.06);
  --ease: cubic-bezier(.22,.8,.3,1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body { font-family: var(--font); background: var(--bg); color: var(--ink); font-size: 14px; line-height: 1.55; min-height: 100vh; }
::selection { background: var(--sage-ring); }
button { font-family: inherit; cursor: pointer; }
svg { display: block; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 20px;
  padding: 0 24px; height: 60px;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 9px; }
.brand .name { font-size: 17px; font-weight: 700; letter-spacing: .2px; }
.brand .ver { font-size: 11px; font-weight: 600; color: var(--sage); background: var(--sage-soft); padding: 2px 8px; border-radius: 999px; }
.top-meta { display: flex; align-items: center; gap: 20px; margin-left: auto; }
.dry-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; font-weight: 700; letter-spacing: .5px;
  color: var(--amber); background: var(--amber-soft);
  border: 1px solid rgba(192,138,62,.35);
  padding: 4px 12px; border-radius: 999px;
}
.dry-badge .blink { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); animation: breathe 2.2s var(--ease) infinite; }
.equity-big { display: flex; align-items: baseline; gap: 8px; }
.equity-big .label { font-size: 12px; color: var(--ink-2); }
.equity-big .num { font-family: var(--mono); font-size: 22px; font-weight: 700; letter-spacing: .3px; font-variant-numeric: tabular-nums; }
.equity-big .delta { font-size: 12px; font-weight: 600; color: var(--up); }
.engine-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; color: var(--ink-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 13px;
  background: var(--surface);
}
.engine-chip .led { width: 8px; height: 8px; border-radius: 50%; background: var(--down); box-shadow: 0 0 0 3px var(--down-soft); animation: breathe 2.6s var(--ease) infinite; }

/* ---------- 三栏骨架 ---------- */
.layout {
  display: grid;
  grid-template-columns: 280px minmax(360px, 1fr) 480px;
  gap: 20px;
  max-width: 1440px; margin: 0 auto;
  padding: 24px;
  align-items: start;
}
.col-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  letter-spacing: 1px; margin-bottom: 14px;
}
.col-title::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---------- 通用卡片 ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.card-title { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.card-title .sub { font-size: 12px; font-weight: 400; color: var(--ink-3); margin-left: auto; }

/* ---------- 左栏：流水线 ---------- */
.pipeline-col { display: flex; flex-direction: column; }
.mode-switch {
  display: flex; gap: 6px; background: var(--surface-2);
  border-radius: 999px; padding: 4px; margin-bottom: 16px;
}
.mode-switch button {
  flex: 1; border: 0; background: transparent; border-radius: 999px;
  padding: 7px 0; font-size: 12px; font-weight: 600; color: var(--ink-2);
  transition: all .25s var(--ease);
}
.mode-switch button.on { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }

.pipe { position: relative; display: flex; flex-direction: column; }
.pipe::before { content: ""; position: absolute; left: 21px; top: 16px; bottom: 16px; width: 2px; background: var(--line); border-radius: 1px; }
.step { position: relative; padding-left: 50px; padding-bottom: 18px; }
.step:last-child { padding-bottom: 0; }
.step-icon {
  position: absolute; left: 8px; top: 0;
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 2px solid var(--line-strong);
  color: var(--ink-3); z-index: 1;
  transition: all .3s var(--ease);
}
.step.done .step-icon { border-color: var(--sage); background: var(--sage-soft); color: var(--sage-deep); }
.step.active .step-icon { border-color: var(--sky); background: var(--sky-soft); color: var(--sky); }
.step.blocked .step-icon { border-color: var(--block); background: var(--block-soft); color: var(--block); }

.step-box {
  border: 1px solid var(--line); border-radius: 14px;
  background: var(--surface); padding: 12px 14px;
  box-shadow: var(--shadow-sm);
  transition: all .3s var(--ease);
}
.step.active .step-box { border-color: rgba(91,143,185,.45); box-shadow: 0 0 0 3px rgba(91,143,185,.14); }
.step.blocked .step-box { border-color: var(--block); background: var(--block-soft); box-shadow: 0 0 0 3px rgba(181,84,74,.12); }
.step.halt .step-box { opacity: .42; filter: saturate(.4); border-style: dashed; box-shadow: none; }

.step-head { display: flex; align-items: center; gap: 8px; }
.step-head .s-name { font-size: 14px; font-weight: 600; }
.step-head .s-tag { font-size: 11px; font-weight: 600; padding: 1px 8px; border-radius: 999px; background: var(--surface-2); color: var(--ink-3); }
.step.done .s-tag { background: var(--sage-soft); color: var(--sage-deep); }
.step.active .s-tag { background: var(--sky-soft); color: var(--sky); }
.step.blocked .s-tag { background: var(--block); color: #fff; }
.step.halt .s-tag { background: transparent; border: 1px dashed var(--line-strong); color: var(--ink-3); }
.step-head .s-time { margin-left: auto; font-size: 11px; color: var(--ink-3); font-family: var(--mono); }
.step-rows { margin-top: 8px; display: flex; flex-direction: column; gap: 3px; }
.step-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-2); }
.step-row b { font-weight: 500; color: var(--ink); font-family: var(--mono); font-size: 12px; }
.step-row b.txt { font-family: var(--font); }
.step-row .up { color: var(--up); font-weight: 600; }
.step-row .down { color: var(--down); font-weight: 600; }
.conclusion {
  margin-top: 9px; font-size: 12px; font-weight: 600; color: var(--sage-deep);
  background: var(--sage-soft); border-radius: 8px; padding: 6px 10px;
  display: flex; align-items: center; gap: 6px;
}
.blocked-reason {
  margin-top: 9px; font-size: 12px; font-weight: 600; color: var(--block);
  background: #fff; border-radius: 8px; padding: 6px 10px;
  display: flex; align-items: center; gap: 6px;
  border: 1px dashed rgba(181,84,74,.4);
}
.halt-tip { margin-top: 8px; font-size: 11px; color: var(--ink-3); font-style: italic; }

/* ---------- 免疫监控卡 ---------- */
.immune-card { margin-top: 20px; padding: 14px; }
.immune-row { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-2); padding: 5px 0; }
.immune-row .sym { font-weight: 600; color: var(--ink); font-family: var(--mono); font-size: 12px; }
.immune-row .pill { font-size: 11px; padding: 1px 8px; border-radius: 999px; font-weight: 600; }
.immune-row .pill.ok { background: var(--down-soft); color: var(--down); }
.immune-row .pill.obs { background: var(--amber-soft); color: var(--amber); }
.immune-row .progress { width: 56px; height: 4px; border-radius: 2px; background: var(--surface-2); overflow: hidden; }
.immune-row .progress i { display: block; height: 100%; border-radius: 2px; background: var(--amber); }
.immune-row .ema { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--ink-3); }

/* ---------- 中栏：AI 对话 ---------- */
.chat-col { display: flex; flex-direction: column; }
.chat-card { display: flex; flex-direction: column; min-height: 640px; height: calc(100vh - 138px); }
.chat-history { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 14px; padding: 6px 4px 14px; min-height: 0; }
.msg { max-width: 86%; display: flex; gap: 10px; }
.msg .avatar {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.msg.ai .avatar { background: var(--sage-soft); color: var(--sage-deep); }
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg.user .avatar { background: var(--surface-2); color: var(--ink-2); }
.msg .bubble { padding: 10px 14px; border-radius: 16px; font-size: 13px; line-height: 1.6; max-width: 560px; }
.msg.ai .bubble { background: var(--surface-2); border: 1px solid var(--line); border-top-left-radius: 6px; }
.msg.user .bubble { background: var(--sage); color: #fff; border-top-right-radius: 6px; }
.bubble .hint-line {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 8px; padding: 5px 10px; border-radius: 8px;
  font-size: 12px; font-weight: 600;
  background: var(--amber-soft); color: var(--amber);
}
.chat-input-wrap { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 12px; }
.chat-confirm-bar {
  display: none; align-items: flex-start; gap: 10px;
  background: var(--amber-soft);
  border: 1px dashed rgba(192,138,62,.45);
  border-radius: 12px; padding: 10px 12px; margin-bottom: 10px;
  font-size: 12px; color: var(--ink); line-height: 1.5;
}
.chat-confirm-bar.show { display: flex; animation: rise .3s var(--ease); }
.chat-confirm-bar svg { flex-shrink: 0; margin-top: 2px; color: var(--amber); }
.chat-confirm-bar .ops { margin-left: auto; display: flex; gap: 8px; flex-shrink: 0; }
.btn-ghost {
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-2);
  border-radius: 9px; padding: 5px 12px; font-size: 12px; font-weight: 600;
  transition: all .2s var(--ease);
}
.btn-ghost:hover { border-color: var(--ink-3); color: var(--ink); }
.btn-sage {
  border: 0; background: var(--sage); color: #fff;
  border-radius: 9px; padding: 5px 14px; font-size: 12px; font-weight: 600;
  transition: background .2s var(--ease);
}
.btn-sage:hover { background: var(--sage-deep); }
.chat-input-row { display: flex; gap: 10px; }
.chat-input-row .input-shell {
  flex: 1; display: flex; align-items: center; gap: 8px;
  background: var(--surface-2); border: 1px solid transparent; border-radius: 12px;
  padding: 0 6px 0 14px; transition: all .2s var(--ease);
}
.chat-input-row .input-shell:focus-within {
  background: var(--surface); border-color: var(--sage);
  box-shadow: 0 0 0 3px var(--sage-ring);
}
.chat-input-row input { flex: 1; border: 0; outline: 0; background: transparent; font: inherit; font-size: 13px; padding: 11px 0; color: var(--ink); }
.chat-input-row input::placeholder { color: var(--ink-3); }
.chat-input-row .send-btn {
  border: 0; background: var(--sage); color: #fff;
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s var(--ease);
}
.chat-input-row .send-btn:hover { background: var(--sage-deep); }

/* ---------- 右栏 ---------- */
.board-col { display: flex; flex-direction: column; gap: 18px; }

/* 净值曲线 */
.equity-card .range-tabs { display: flex; gap: 4px; margin-left: auto; }
.equity-card .range-tabs button {
  border: 0; background: transparent; font-size: 11px; font-weight: 600;
  color: var(--ink-3); padding: 3px 9px; border-radius: 7px;
}
.equity-card .range-tabs button.on { background: var(--surface-2); color: var(--ink); }
.equity-head-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.equity-head-row .big { font-family: var(--mono); font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.equity-head-row .chg { font-size: 13px; font-weight: 600; color: var(--up); }
.equity-head-row .chg-note { font-size: 12px; color: var(--ink-3); }
canvas#equity-chart { width: 100%; height: 170px; display: block; }
.chart-legend { display: flex; gap: 14px; margin-top: 10px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--ink-3); }
.chart-legend i { width: 14px; height: 2px; border-radius: 1px; }
.chart-legend i.dash { background: repeating-linear-gradient(90deg, var(--ink-3) 0 3px, transparent 3px 6px); height: 1px; }

/* 表格通用 */
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { text-align: left; font-size: 11px; font-weight: 500; color: var(--ink-3); padding: 6px; border-bottom: 1px solid var(--line); letter-spacing: .3px; }
td { padding: 8px 6px; border-bottom: 1px solid var(--line); color: var(--ink); }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
td .sym { font-weight: 600; font-family: var(--mono); font-size: 12px; }
td .side { font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 6px; }
td .side.long { background: var(--up-soft); color: var(--up); }
td .side.short { background: var(--down-soft); color: var(--down); }
.up { color: var(--up); font-weight: 600; }
.down { color: var(--down); font-weight: 600; }
.status-tag { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.status-tag.active { background: var(--sage-soft); color: var(--sage-deep); }
.status-tag.sub_healthy { background: var(--amber-soft); color: var(--amber); }
.status-tag.retired { background: var(--surface-2); color: var(--ink-3); }
.status-tag.failed { background: var(--block-soft); color: var(--block); }

/* 进化复盘 */
.evo-top { display: flex; gap: 10px; margin-bottom: 12px; }
.evo-stat { flex: 1; background: var(--surface-2); border-radius: 10px; padding: 9px 12px; }
.evo-stat .k { font-size: 11px; color: var(--ink-2); }
.evo-stat .v { font-family: var(--mono); font-size: 16px; font-weight: 700; }
.evo-stat .v small { font-size: 11px; color: var(--ink-3); font-weight: 400; margin-left: 2px; }
.evo-fail {
  border-left: 3px solid var(--block); background: var(--block-soft);
  border-radius: 0 10px 10px 0; padding: 8px 12px;
  font-size: 12px; color: var(--ink-2); line-height: 1.6;
}
.evo-fail b { color: var(--block); font-weight: 600; }
.evo-note { margin-top: 10px; font-size: 11px; color: var(--ink-3); display: flex; align-items: center; gap: 5px; }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- 动效 ---------- */
@keyframes breathe { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes rot { to { transform: rotate(360deg); } }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.spin-ring {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--sky); border-top-color: transparent;
  animation: rot .8s linear infinite;
}

/* ---------- 响应式：<1200px 流水线折叠为顶部横条 ---------- */
@media (max-width: 1200px) {
  .layout { grid-template-columns: 1fr; padding: 16px; gap: 16px; }
  .chat-card { height: auto; min-height: 480px; }
  .pipe { flex-direction: row; overflow-x: auto; padding-bottom: 8px; gap: 12px; }
  .pipe::before { display: none; }
  .step { flex: 0 0 240px; padding-left: 0; padding-bottom: 0; display: flex; flex-direction: column; gap: 8px; }
  .step-icon { position: static; width: 26px; height: 26px; }
  .step.halt { display: none; }
  .immune-card { margin-top: 12px; }
  .topbar { flex-wrap: wrap; height: auto; padding: 10px 16px; row-gap: 8px; }
}