/* Apple HIG 简约白色监控系统基础样式 (base.css) */

:root {
  --bg-canvas: #F5F5F7;
  --bg-surface: #FFFFFF;
  --bg-subtle: #FAFAFC;
  --border-hairline: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.14);

  --text-primary: #1D1D1F;
  --text-secondary: #515154;
  --text-muted: #86868B;

  --apple-blue: #0071E3;
  --apple-blue-hover: #0077ED;
  --apple-blue-soft: #E8F2FF;

  --green-text: #15803D;
  --green-bg: #DCFCE7;
  --amber-text: #B45309;
  --amber-bg: #FEF3C7;
  --red-text: #BE123C;
  --red-bg: #FFE4E6;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.03), 0 4px 12px rgba(0, 0, 0, 0.02);
  --shadow-drawer: -8px 0 32px rgba(0, 0, 0, 0.12);

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100%;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

button, input, select {
  font: inherit;
  color: inherit;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
tr.ranking-row:focus-visible {
  outline: 2px solid var(--apple-blue);
  outline-offset: 2px;
}

.mono-text {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.muted-label {
  color: var(--text-muted);
  font-size: 12px;
}

/* 顶部固定原型声明条 */
.prototype-banner {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-hairline);
  padding: 7px 20px;
  position: sticky;
  top: 0;
  z-index: 40;
}

.prototype-banner-inner {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.proto-pill {
  background: var(--apple-blue-soft);
  color: var(--apple-blue);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: 0.01em;
}

.proto-inline-tag {
  display: inline-flex;
  align-items: center;
  background: #F2F2F7;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid var(--border-hairline);
}

/* 整体双栏布局 */
.app-layout {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: calc(100vh - 36px);
  max-width: 1640px;
  margin: 0 auto;
}

/* 左侧栏 */
.sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border-hairline);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 36px;
  height: calc(100vh - 36px);
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 18px;
  border-bottom: 1px solid var(--border-hairline);
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--text-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 11.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.04em;
}

.brand-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 11.5px;
  color: var(--text-muted);
}

.sidebar-nav {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-group-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 4px 10px 6px;
  letter-spacing: 0.04em;
}

.nav-item {
  width: 100%;
  border: none;
  background: transparent;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  text-align: left;
}

.nav-item:hover {
  background: #F5F5F7;
  color: var(--text-primary);
}

.nav-item.is-active {
  background: var(--apple-blue-soft);
  color: var(--apple-blue);
  font-weight: 600;
}

.nav-badge {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 999px;
  background: #F2F2F7;
  color: var(--text-secondary);
}

.nav-badge-amber {
  background: var(--amber-bg);
  color: var(--amber-text);
  font-weight: 600;
}

.nav-badge-blue {
  background: var(--apple-blue-soft);
  color: var(--apple-blue);
  font-weight: 600;
}

.sidebar-meta-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 12px;
  font-size: 12px;
}

.meta-card-title {
  color: var(--text-muted);
  font-size: 11px;
  margin-bottom: 2px;
}

.meta-card-value {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.meta-card-sub {
  color: var(--text-secondary);
  font-size: 11.5px;
  margin-top: 3px;
}

kbd {
  background: #FFFFFF;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 0 4px;
  font-size: 10.5px;
  font-family: var(--font-mono);
}

/* 主工作区顶栏 */
.main-container {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border-hairline);
  padding: 16px 24px;
  position: sticky;
  top: 36px;
  z-index: 30;
}

.topbar-upper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.topbar-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-heading {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.page-subheading {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.topbar-search-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  max-width: 480px;
  justify-content: flex-end;
}

.search-box {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

.apple-input {
  width: 100%;
  background: #F5F5F7;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 7px 12px 7px 32px;
  font-size: 13px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.apple-input:focus {
  background: #FFFFFF;
  border-color: var(--apple-blue);
}

.filter-bar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-item label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.apple-select {
  background: #FFFFFF;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 12.5px;
  color: var(--text-primary);
  cursor: pointer;
}

.filter-checkbox-item {
  padding-bottom: 5px;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px !important;
  color: var(--text-primary) !important;
  cursor: pointer;
}

.workbench {
  padding: 20px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-only {
  display: none;
}

@media (max-width: 960px) {
  .app-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: fixed;
    left: 0;
    top: 36px;
    width: 260px;
    z-index: 60;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: 8px 0 24px rgba(0, 0, 0, 0.12);
  }
  .sidebar.is-mobile-open {
    transform: translateX(0);
  }
  .mobile-only {
    display: inline-flex;
  }
  .topbar, .workbench {
    padding-left: 16px;
    padding-right: 16px;
  }
}