/*
 * 三页面共享左侧导航
 * 适用页面：index.html / dashboard.html / compare-v2.html
 * 菜单内容由 nav.js 唯一渲染；本文件是侧栏布局与视觉的唯一权威样式。
 */

:root {
  --shared-nav-canvas: #f4f5f1;
  --shared-nav-ink: #1f231f;
  --shared-nav-dark: #171a18;
  --shared-nav-dark-muted: #aab2aa;
  --shared-nav-faint: #687268;
  --shared-nav-accent: #e66c4c;
}

html {
  background: var(--shared-nav-canvas);
}

body.wxt-v2 .container {
  display: grid;
  grid-template-columns: minmax(180px, min(14vw, 220px)) minmax(0, 1fr);
  align-items: start;
  width: 100%;
  max-width: none;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

body.wxt-v2 .header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  grid-column: 1;
  height: 100vh;
  box-sizing: border-box;
  flex-direction: column;
  margin: 0;
  padding: 22px 12px 18px;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--shared-nav-dark);
  box-shadow: none;
}

body.wxt-v2 .header::after {
  position: absolute;
  right: 20px;
  bottom: 18px;
  left: 20px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--shared-nav-faint);
  content: 'LOCAL WORKSPACE  /  LIVE\A v2.0  ·  DATA READY';
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', 'PingFang SC', monospace;
  font-size: 8px;
  line-height: 1.8;
  letter-spacing: 0.08em;
  white-space: pre;
}

body.wxt-v2 .header-brand {
  display: block;
  padding: 0 8px 17px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

body.wxt-v2 .header-brand h1 {
  max-width: 164px;
  margin: 0;
  overflow-wrap: anywhere;
  color: #f5f5ef;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
  white-space: normal;
  background: none;
  -webkit-text-fill-color: currentColor;
}

body.wxt-v2 .version-tag {
  display: inline-flex;
  margin-top: 9px;
  padding: 3px 8px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #b6beb5;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  box-shadow: none;
}

body.wxt-v2 .header-right {
  display: flex;
  flex: 1;
  align-items: stretch;
  flex-direction: column;
  gap: 13px;
  min-height: 0;
  margin-top: 24px;
}

body.wxt-v2 .user-info {
  display: block;
  padding: 0 8px;
  color: #8d978e;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', 'PingFang SC', monospace;
  font-size: 12px;
  letter-spacing: 0.02em;
}

body.wxt-v2 .user-info::before {
  color: var(--shared-nav-accent);
  content: 'ACTIVE  /  ';
}

body.wxt-v2 .nav {
  display: flex;
  flex: 1;
  align-items: stretch;
  flex-direction: column;
  gap: 2px;
  min-height: 0;
  overflow-y: auto;
  padding-right: 2px;
  counter-reset: nav-item;
}

body.wxt-v2 .nav::before {
  display: block;
  padding: 0 8px 7px;
  color: var(--shared-nav-faint);
  content: 'WORKSPACE';
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', 'PingFang SC', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

body.wxt-v2 .nav-btn,
body.wxt-v2 .nav-dropdown-toggle {
  display: flex;
  min-height: 33px;
  box-sizing: border-box;
  align-items: center;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--shared-nav-dark-muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

body.wxt-v2 .nav > .nav-btn {
  counter-increment: nav-item;
}

body.wxt-v2 .nav > .nav-btn::before {
  width: 20px;
  flex: 0 0 20px;
  color: var(--shared-nav-faint);
  content: counter(nav-item, decimal-leading-zero);
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', 'PingFang SC', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

body.wxt-v2 .nav-btn:not(.active),
body.wxt-v2 .nav-dropdown-toggle {
  background: transparent !important;
  box-shadow: none !important;
}

body.wxt-v2 .nav-btn:hover,
body.wxt-v2 .nav-dropdown-toggle:hover {
  transform: translateX(2px);
  background: rgba(255, 255, 255, 0.07);
  color: #f4f5f0;
}

body.wxt-v2 .nav-btn.active,
body.wxt-v2 .nav-dropdown.active > .nav-dropdown-toggle {
  border-color: rgba(230, 108, 76, 0.22);
  background: rgba(230, 108, 76, 0.14);
  color: #ffb09c;
  box-shadow: none;
}

body.wxt-v2 .nav-btn.active::before {
  color: var(--shared-nav-accent);
}

body.wxt-v2 .nav-dropdown {
  display: block;
}

body.wxt-v2 .nav-dropdown-menu {
  position: static;
  display: block;
  padding: 3px 0 3px 13px;
  border: 0;
  background: transparent;
  box-shadow: none;
}

body.wxt-v2 .nav-dropdown-item {
  display: block;
  padding: 6px 10px;
  border-radius: 7px;
  color: #7f8980;
  font-size: 13px;
  text-decoration: none;
}

body.wxt-v2 .nav-dropdown-item:hover,
body.wxt-v2 .nav-dropdown-item.active {
  background: rgba(255, 255, 255, 0.07);
  color: #f4f5f0;
}

@media (max-width: 1024px) {
  body.wxt-v2 .container {
    display: block;
  }

  body.wxt-v2 .header {
    position: sticky;
    display: block;
    height: auto;
    padding: 14px 20px;
  }

  body.wxt-v2 .header::after {
    display: none;
  }

  body.wxt-v2 .header-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0;
  }

  body.wxt-v2 .version-tag {
    margin-top: 0;
  }

  body.wxt-v2 .header-right {
    display: block;
    margin-top: 13px;
  }

  body.wxt-v2 .user-info {
    display: none;
  }

  body.wxt-v2 .nav {
    display: flex;
    flex-direction: row;
    gap: 5px;
    overflow-x: auto;
    padding-bottom: 2px;
    counter-reset: none;
  }

  body.wxt-v2 .nav::before,
  body.wxt-v2 .nav > .nav-btn::before {
    display: none;
  }

  body.wxt-v2 .nav-btn,
  body.wxt-v2 .nav-dropdown-toggle {
    min-height: 32px;
    flex: 0 0 auto;
    padding: 0 10px;
  }

  body.wxt-v2 .nav-dropdown-menu {
    display: none;
  }
}