:root {
  --bg: #f4efe2;
  --bg-deep: #ebe4d2;
  --surface: rgba(255, 252, 246, 0.86);
  --surface-strong: #fffaf0;
  --surface-accent: #0f3d3e;
  --ink: #1e2728;
  --ink-soft: #576667;
  --line: rgba(24, 39, 40, 0.12);
  --line-strong: rgba(24, 39, 40, 0.2);
  --success: #1b6f5f;
  --warning: #be7a18;
  --danger: #b13f2c;
  --unknown: #687780;
  --shadow: 0 18px 50px rgba(53, 54, 39, 0.12);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --font-body: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  --font-display: Georgia, "Times New Roman", "Songti SC", serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(20, 114, 103, 0.14), transparent 24rem),
    radial-gradient(circle at top right, rgba(214, 153, 62, 0.18), transparent 22rem),
    linear-gradient(180deg, var(--bg), var(--bg-deep));
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.page-shell {
  width: min(1580px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 251, 242, 0.76);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, #0f3d3e, #1d7168);
  color: #fff8eb;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header h1,
.panel-head h2,
.detail-header h2,
.hero-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 6px 0 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-link,
.refresh-button,
.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.nav-link:hover,
.refresh-button:hover,
.back-link:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 61, 62, 0.28);
  box-shadow: 0 10px 26px rgba(15, 61, 62, 0.12);
}

.refresh-indicator {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.refresh-interval-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.refresh-interval-input {
  width: 72px;
  padding: 6px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font-size: 0.86rem;
  text-align: center;
}

.refresh-interval-input:focus {
  outline: none;
  border-color: rgba(15, 61, 62, 0.28);
  box-shadow: 0 0 0 3px rgba(15, 61, 62, 0.08);
}

.refresh-interval-input:invalid {
  border-color: var(--danger);
}

.content-shell {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.hero-grid,
.stats-grid,
.trend-grid {
  display: grid;
  gap: 18px;
}

.hero-grid {
  grid-template-columns: 1.5fr 1fr 1fr;
}

.hero-card,
.panel,
.stat-card,
.trend-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 24px;
}

.hero-card-primary {
  background:
    linear-gradient(135deg, rgba(15, 61, 62, 0.94), rgba(28, 106, 97, 0.88)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent);
  color: #fff8ec;
}

.hero-copy {
  max-width: 58ch;
  line-height: 1.7;
}

.hero-value {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
}

.hero-note {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.metric-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 12px;
}

.metric-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-weight: 700;
}

.metric-chip-low {
  background: rgba(27, 111, 95, 0.12);
  color: var(--success);
}

.metric-chip-medium {
  background: rgba(190, 122, 24, 0.12);
  color: var(--warning);
}

.metric-chip-high {
  background: rgba(177, 63, 44, 0.12);
  color: var(--danger);
}

.panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.panel-note {
  margin: 0;
  color: var(--ink-soft);
}

.stats-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.stats-grid-detail {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.stat-card {
  padding: 20px;
}

.stat-card-alert {
  background: linear-gradient(180deg, rgba(177, 63, 44, 0.12), rgba(255, 250, 240, 0.96));
}

.stat-card-medium {
  background: linear-gradient(180deg, rgba(190, 122, 24, 0.12), rgba(255, 250, 240, 0.96));
}

.stat-label,
.trend-label,
.mini-grid dt,
.trend-meta dt {
  display: block;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 600;
}

.stat-value {
  display: block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
}

.stat-text {
  font-size: 1.3rem;
}

.stat-hint {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
}

.alert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.alert-card {
  display: block;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.alert-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(15, 61, 62, 0.12);
}

.alert-card.level-high {
  border-color: rgba(177, 63, 44, 0.3);
}

.alert-card.level-medium {
  border-color: rgba(190, 122, 24, 0.3);
}

.alert-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.alert-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.alert-name,
.subtle,
.alert-summary,
.detail-timestamp {
  display: block;
  color: var(--ink-soft);
  line-height: 1.5;
}

.mini-grid,
.trend-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0 0;
}

.mini-grid dd,
.trend-meta dd {
  margin: 4px 0 0;
  font-weight: 700;
}

.table-shell {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.table-shell-primary {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(247, 243, 235, 0.72)),
    linear-gradient(90deg, rgba(15, 61, 62, 0.03), transparent 14rem);
}

.data-table {
  width: 100%;
  min-width: 1280px;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.74);
}

.data-table-sortable {
  min-width: 1180px;
}

.compact-table {
  min-width: 880px;
}

.data-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 14px 16px;
  background: rgba(243, 237, 223, 0.96);
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: left;
  text-transform: uppercase;
}

.data-table-sortable thead th {
  padding: 0;
  white-space: nowrap;
}

.data-table-sortable thead th[aria-sort="ascending"],
.data-table-sortable thead th[aria-sort="descending"] {
  color: var(--ink);
}

.data-table-sortable thead .sticky-column {
  left: 0;
  z-index: 4;
}

.table-sort-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 12px;
  padding: 14px 16px;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  text-align: left;
  text-transform: inherit;
  transition: background 140ms ease, color 140ms ease;
}

.table-sort-button:hover,
.table-sort-button:focus-visible {
  background: rgba(15, 61, 62, 0.08);
  color: var(--ink);
  outline: none;
}

.table-sort-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  color: rgba(30, 39, 40, 0.42);
  font-size: 0.72rem;
}

.table-sort-indicator::before {
  content: "↕";
}

.data-table-sortable thead th[aria-sort="ascending"] .table-sort-indicator::before {
  content: "↑";
  color: var(--surface-accent);
}

.data-table-sortable thead th[aria-sort="descending"] .table-sort-indicator::before {
  content: "↓";
  color: var(--surface-accent);
}

.data-table tbody tr {
  --table-row-bg: rgba(255, 255, 255, 0.74);
  background: var(--table-row-bg);
}

.data-table tbody td {
  padding: 14px 16px;
  border-top: 1px solid var(--line);
  vertical-align: top;
}

.data-table tbody tr:nth-child(even) {
  --table-row-bg: rgba(247, 244, 235, 0.66);
}

.sticky-column {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--table-row-bg, rgba(255, 255, 255, 0.74));
  box-shadow: 12px 0 20px rgba(15, 61, 62, 0.06);
}

.account-link {
  display: inline-flex;
  margin-bottom: 4px;
  color: #0f3d3e;
  font-weight: 700;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-high {
  background: rgba(177, 63, 44, 0.14);
  color: var(--danger);
}

.badge-medium {
  background: rgba(190, 122, 24, 0.14);
  color: var(--warning);
}

.badge-low {
  background: rgba(27, 111, 95, 0.12);
  color: var(--success);
}

.badge-unknown {
  background: rgba(104, 119, 128, 0.14);
  color: var(--unknown);
}

.row-high {
  --table-row-bg: rgba(177, 63, 44, 0.05);
}

.row-medium {
  --table-row-bg: rgba(190, 122, 24, 0.06);
}

.table-column-account,
.table-cell-account {
  min-width: 220px;
}

.table-cell-account .account-link,
.table-cell-account .subtle {
  max-width: 200px;
}

.account-timestamp {
  font-size: 0.85rem;
}

.table-cell-status {
  min-width: 220px;
  white-space: normal;
}

.table-status-block {
  display: grid;
  gap: 6px;
}

.table-meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.table-meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(15, 61, 62, 0.08);
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.table-cell-number {
  min-width: 108px;
  text-align: right;
  white-space: nowrap;
}

.table-cell-metric {
  min-width: 170px;
  white-space: normal;
}

.table-cell-exhaust {
  min-width: 140px;
}

.table-inline-value,
.table-metric-main {
  display: block;
  color: var(--ink);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.45;
}

.table-metric {
  display: grid;
  gap: 4px;
}

.table-metric-sub {
  display: block;
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.4;
}

.table-alert-cell {
  min-width: 280px;
  max-width: 360px;
}

.table-alert-summary {
  color: var(--ink);
  line-height: 1.6;
}

.table-inline-value {
  white-space: nowrap;
}

.trend-up {
  color: var(--danger);
  font-weight: 700;
}

.trend-up::before {
  content: "▲ ";
  font-size: 0.75em;
}

.trend-down {
  color: var(--success);
  font-weight: 700;
}

.trend-down::before {
  content: "▼ ";
  font-size: 0.75em;
}

.trend-flat {
  color: var(--ink-soft);
}

.trend-flat::before {
  content: "▸ ";
  font-size: 0.75em;
}

.trend-reset {
  color: var(--warning);
  font-weight: 700;
}

.empty-state {
  padding: 26px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.55);
}

.detail-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 6px;
}

.detail-header-meta {
  display: flex;
  flex-direction: column;
  align-items: end;
  gap: 10px;
}

.alert-summary-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.alert-summary-banner.level-high {
  border-color: rgba(177, 63, 44, 0.3);
}

.alert-summary-banner.level-medium {
  border-color: rgba(190, 122, 24, 0.3);
}

.trend-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.trend-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.76);
}

.trend-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.trend-percent {
  color: var(--ink-soft);
  font-weight: 700;
}

.trend-main {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.trend-panel {
  position: relative;
  overflow: visible;
}

.trend-panel-head {
  align-items: flex-start;
}

.trend-panel-note {
  margin-bottom: 18px;
}

.trend-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.trend-range-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.trend-range-button {
  min-height: 34px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, transform 140ms ease;
}

.trend-range-button:hover,
.trend-range-button:focus-visible {
  color: var(--ink);
  background: rgba(15, 61, 62, 0.1);
  outline: none;
}

.trend-range-button.is-active {
  background: #0f3d3e;
  color: #fff8eb;
}

.trend-visibility-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.trend-visibility-toggle input {
  accent-color: #0f3d3e;
}

.trend-chart-status {
  margin-bottom: 18px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.trend-chart-status[data-state="error"] {
  color: var(--danger);
}

.trend-chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.trend-chart-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
}

.trend-chart-card.is-hidden {
  display: none;
}

.trend-chart-card-wide {
  grid-column: 1 / -1;
}

.trend-chart-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.trend-chart-card h3 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.trend-chart-kicker {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trend-chart-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(15, 61, 62, 0.08);
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 700;
}

.trend-chart-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.trend-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.trend-legend-swatch {
  width: 20px;
  height: 0;
  border-top: 3px solid currentColor;
  border-radius: 999px;
}

.trend-legend-swatch-per5h {
  color: #c76b2f;
}

.trend-legend-swatch-week {
  color: #1b7b69;
}

.trend-legend-swatch-month {
  color: #14576b;
}

.trend-chart-summary {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.trend-chart-shell {
  min-height: 280px;
  margin-top: 14px;
  padding: 10px;
  border: 1px solid rgba(24, 39, 40, 0.08);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(250, 244, 235, 0.76)),
    linear-gradient(135deg, rgba(15, 61, 62, 0.05), transparent);
}

.trend-chart-shell.is-empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.trend-chart-svg {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 760 / 280;
  overflow: visible;
}

.trend-chart-empty {
  color: var(--ink-soft);
  line-height: 1.6;
  text-align: center;
}

.trend-axis-label {
  fill: var(--ink-soft);
  font-size: 11px;
}

.trend-threshold-label {
  font-size: 11px;
  font-weight: 700;
}

.trend-hit-target {
  pointer-events: all;
}

.trend-chart-tooltip {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 30;
  display: grid;
  gap: 4px;
  max-width: 260px;
  padding: 12px 14px;
  border: 1px solid rgba(15, 61, 62, 0.18);
  border-radius: 14px;
  background: rgba(21, 31, 31, 0.92);
  color: #fffaf0;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.18);
  pointer-events: none;
}

.trend-chart-tooltip[hidden] {
  display: none;
}

.trend-chart-tooltip strong {
  font-size: 0.95rem;
}

.trend-chart-tooltip span {
  line-height: 1.45;
}

.overview-trend-panel {
  position: relative;
  overflow: visible;
}

.overview-trend-panel-head {
  align-items: flex-start;
}

.overview-trend-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.overview-filter-group {
  display: flex;
  align-items: center;
}

.overview-filter-select {
  padding: 6px 28px 6px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  background: var(--card-bg);
  border: 1px solid rgba(24, 39, 40, 0.12);
  border-radius: 10px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23576667' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.2s ease;
}

.overview-filter-select:hover {
  border-color: rgba(24, 39, 40, 0.22);
}

.overview-filter-select:focus {
  outline: none;
  border-color: var(--primary);
}

.overview-trend-note {
  margin-bottom: 18px;
}

.overview-trend-status {
  margin-bottom: 18px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.overview-trend-status[data-state="error"] {
  color: var(--danger);
}

.overview-trend-shell {
  min-height: 360px;
  padding: 12px;
  border: 1px solid rgba(24, 39, 40, 0.08);
  border-radius: 22px;
  background:
    radial-gradient(circle at right top, rgba(177, 63, 44, 0.08), transparent 20rem),
    radial-gradient(circle at left top, rgba(15, 61, 62, 0.08), transparent 22rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(248, 243, 235, 0.82));
}

.overview-trend-shell.is-empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.overview-trend-svg {
  aspect-ratio: 980 / 360;
}

.overview-trend-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.overview-trend-summary {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.overview-trend-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.overview-trend-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.overview-trend-line {
  width: 20px;
  height: 0;
  border-top: 3px solid currentColor;
  border-radius: 999px;
}

.overview-trend-line-high {
  color: var(--danger);
}

.overview-trend-line-medium {
  color: var(--warning);
}

.overview-trend-line-low {
  color: var(--success);
}

.overview-trend-label {
  font-size: 12px;
  font-weight: 700;
  cursor: default;
}

.error-cell {
  max-width: 560px;
  color: var(--danger);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 1200px) {
  .hero-grid,
  .stats-grid,
  .stats-grid-detail,
  .trend-grid,
  .trend-chart-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .page-shell {
    width: min(100vw - 20px, 100%);
    padding-top: 14px;
  }

  .site-header,
  .detail-header {
    flex-direction: column;
    align-items: stretch;
  }

  .detail-header-meta {
    align-items: start;
  }

  .hero-grid,
  .stats-grid,
  .stats-grid-detail,
  .trend-grid,
  .trend-chart-grid,
  .alert-grid {
    grid-template-columns: 1fr;
  }

  .panel,
  .hero-card,
  .stat-card,
  .trend-card,
  .trend-chart-card {
    border-radius: 20px;
  }

  .trend-toolbar,
  .trend-chart-legend,
  .overview-trend-toolbar {
    justify-content: flex-start;
  }

  .overview-trend-foot {
    align-items: flex-start;
  }

  .trend-chart-card-wide {
    grid-column: auto;
  }
}

/* ===== 可折叠面板 - 失败记录 ===== */
.panel-collapsible {
  transition: box-shadow 200ms ease;
}

.panel-head-clickable {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-head-clickable:hover {
  background: rgba(243, 237, 223, 0.5);
  margin: -20px -20px 0;
  padding: 20px 20px 16px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.panel-count {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-soft);
  font-family: var(--font-body);
}

.collapsible-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 200ms ease;
  flex-shrink: 0;
}

.collapsible-toggle:hover {
  background: var(--surface-strong);
  border-color: var(--line-strong);
  color: var(--ink);
}

.toggle-icon {
  width: 18px;
  height: 18px;
  transition: transform 200ms ease;
}

.panel-collapsible[data-expanded="true"] .toggle-icon {
  transform: rotate(180deg);
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 250ms ease, opacity 200ms ease;
  opacity: 0;
}

.panel-collapsible[data-expanded="true"] .collapsible-content {
  max-height: 600px;
  opacity: 1;
  overflow-y: auto;
}

/* 紧凑失败列表 */
.failure-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 8px;
}

.failure-item {
  display: grid;
  grid-template-columns: 100px 80px 1fr;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--surface);
  font-size: 0.9rem;
  transition: background 150ms ease;
}

.failure-item:hover {
  background: var(--surface-strong);
}

.failure-account {
  font-weight: 600;
  color: var(--surface-accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.failure-account:hover {
  text-decoration: underline;
}

.failure-time {
  color: var(--ink-soft);
  font-size: 0.85rem;
  white-space: nowrap;
}

.failure-error {
  color: var(--danger);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.85rem;
}

.empty-state.compact {
  padding: 16px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  text-align: center;
  background: var(--surface);
  border-radius: var(--radius-md);
  margin-top: 8px;
}

@media (max-width: 640px) {
  .failure-item {
    grid-template-columns: 80px 60px 1fr;
    gap: 8px;
    padding: 8px 10px;
    font-size: 0.85rem;
  }
  
  .failure-time {
    font-size: 0.8rem;
  }
  
  .failure-error {
    font-size: 0.8rem;
  }
}

/* 用户详情页失败列表 - 两列布局 */
.failure-list-detail .failure-item {
  grid-template-columns: 100px 1fr;
}