* {
  box-sizing: border-box;
}

:root {
  --bg: #f8f9fb;
  --panel: #ffffff;
  --panel-soft: #f5f7fb;
  --line: #e3e7ef;
  --line-strong: #c8d0dd;
  --text: #1f1f1f;
  --muted: #5f6368;
  --brand: #1a73e8;
  --brand-soft: #e8f0fe;
  --good: #137333;
  --good-soft: #e6f4ea;
  --warn: #b06000;
  --warn-soft: #fef7e0;
  --bad: #c5221f;
  --bad-soft: #fce8e6;
  --shadow: 0 10px 28px rgba(60, 64, 67, 0.08);
}

body {
  margin: 0;
  color: var(--text);
  font: 14px/1.55 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #fbfcff 0%, #f4f7fb 100%);
}

button,
input {
  font: inherit;
}

code {
  font-family: Consolas, "SFMono-Regular", monospace;
}

.hidden {
  display: none !important;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, #0b57d0 100%);
  box-shadow: 0 10px 20px rgba(26, 115, 232, 0.24);
}

.button--ghost {
  color: var(--brand);
  background: var(--brand-soft);
}

.chip {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 9px 14px;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.chip--active {
  color: var(--brand);
  border-color: #a8c7fa;
  background: var(--brand-soft);
}

.signin-body { min-height: 100vh; background: #fff; }
.signin-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: linear-gradient(180deg,#ffffff 0%,#f7f9fc 100%); }
.signin-card { width: min(448px,100%); padding: 40px; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: var(--shadow); }
.signin-brand { font-size: 24px; font-weight: 800; color: var(--brand); letter-spacing: -.02em; }
.signin-title { margin: 18px 0 8px; font-size: 34px; line-height: 1.08; }
.signin-subtitle { margin: 0 0 18px; color: var(--muted); }
.signin-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 24px; }
.signin-meta { color: var(--muted); font-size: 12px; }

.login-hero__eyebrow,
.login-card__eyebrow,
.sidebar-brand__eyebrow,
.page-eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--brand);
}

.login-hero__title {
  margin: 18px 0 18px;
  font-size: clamp(44px, 6vw, 74px);
  line-height: 0.94;
}

.login-hero__copy,
.login-card__copy,
.sidebar-brand__copy,
.page-subtitle {
  max-width: 700px;
  color: var(--muted);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.login-hero__copy {
  font-size: 15px;
}

.hero-metric-card,
.login-card,
.metric-card,
.platform-card,
.panel,
.stat-card,
.sidebar-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-metric-card {
  padding: 20px;
}

.hero-metric-card__label,
.metric-card__label,
.platform-card__metric span,
.stat-card__label,
.sidebar-card__label {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.hero-metric-card__value,
.metric-card__value,
.platform-card__metric strong,
.stat-card__value {
  display: block;
  margin: 6px 0;
  font-weight: 800;
}

.hero-metric-card__value {
  font-size: 28px;
}

.hero-metric-card__meta,
.metric-card__meta,
.platform-card__meta,
.keyword-cell__meta,
.leader-row__meta {
  color: var(--muted);
  font-size: 12px;
}

.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.login-card {
  width: min(440px, 100%);
  padding: 30px;
}

.login-card__copy {
  margin-bottom: 6px;
}

.login-card__title {
  margin: 12px 0 8px;
  font-size: 30px;
}

.login-footer-note {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-field {
  display: block;
  margin-top: 16px;
}

.form-field span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.form-field input {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  padding: 14px 16px;
  background: #fff;
  outline: none;
}

.login-actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

.login-actions--single .button {
  width: 100%;
}

.login-hint {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel-soft);
  color: var(--muted);
}

.dashboard-body {
  min-height: 100vh;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 268px 1fr;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #fff;
  padding: 20px 16px;
}

.sidebar-brand {
  padding: 18px 16px;
  border-radius: 22px;
  background: linear-gradient(180deg, #f9fbff 0%, #f1f5fd 100%);
  border: 1px solid var(--line);
}

.sidebar-brand__title {
  margin: 8px 0 6px;
  font-size: 28px;
  line-height: 1.05;
}

.sidebar-nav {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.sidebar-group { margin-top: 18px; }
.sidebar-group__label { padding: 0 8px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.sidebar-nav__item {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid transparent;
  border-radius: 16px;
  text-align: left;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}

.sidebar-nav__item[data-locked]::after {
  content: "Locked";
  float: right;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.sidebar-nav__item--active {
  border-color: #c6dafc;
  background: var(--brand-soft);
  color: var(--brand);
}

.sidebar-card {
  margin-top: 18px;
  padding: 18px 16px;
  background: linear-gradient(180deg, #ffffff 0%, #fafbfd 100%);
}

.sidebar-card__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.sidebar-card__divider {
  height: 1px;
  background: var(--line);
  margin: 14px 0;
}

.sidebar-card__copy {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.content {
  padding: 24px 24px 36px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.page-title {
  margin: 8px 0;
  font-size: 36px;
}

.topbar-copy {
  max-width: 920px;
}

.topbar-actions {
  display: grid;
  gap: 12px;
  justify-items: end;
}

.filter-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.metric-grid,
.platform-grid,
.split-grid,
.stat-grid {
  display: grid;
  gap: 16px;
}

.metric-grid {
  margin-top: 20px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.platform-grid {
  margin-top: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.split-grid {
  margin-top: 18px;
  grid-template-columns: 1.45fr 1fr;
}

.metric-card,
.platform-card,
.panel {
  padding: 20px;
}

.metric-card,
.panel,
.platform-card,
.stat-card {
  background: #fff;
}

.metric-card__value {
  font-size: 30px;
}

.platform-card {
  position: relative;
  overflow: clip;
}

.platform-card__head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.platform-card__title {
  margin: 0 0 6px;
  font-size: 24px;
}

.platform-card__badge {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 800;
}

.platform-card__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.platform-card__metric {
  padding: 12px 14px;
  border-radius: 18px;
  background: #f7f9fc;
  border: 1px solid var(--line);
}

.panel__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.panel__header--wrap {
  flex-wrap: wrap;
}

.filter-row--section {
  margin-bottom: 14px;
}

.detail-pane { margin-top: 4px; }
.detail-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.detail-card, .signal-card { padding: 16px; border: 1px solid var(--line); border-radius: 18px; background: #f8fafc; }
.detail-card__label { display: block; font-size: 12px; color: var(--muted); }
.detail-card__value { display: block; margin: 6px 0; font-size: 22px; font-weight: 800; }
.detail-card__meta { color: var(--muted); font-size: 12px; }
.signal-grid { display: grid; gap: 12px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.signal-card p { margin: 10px 0 0; color: var(--text); }

.panel__title {
  margin: 0;
  font-size: 22px;
}

.panel__subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.bar-list,
.alert-list,
.stack-list {
  display: grid;
  gap: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: 68px 1fr auto;
  gap: 12px;
  align-items: center;
}

.bar-row__label,
.bar-row__value {
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

.bar-row__track {
  height: 10px;
  border-radius: 999px;
  background: #e8eef9;
  overflow: hidden;
}

.bar-row__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), #669df6);
}

.alert-card,
.leader-row {
  display: grid;
  gap: 10px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 18px;
  background: #f8fafc;
  border: 1px solid var(--line);
}

.leader-row {
  grid-template-columns: 1fr auto auto;
}

.leader-row__title,
.keyword-cell__title {
  font-weight: 700;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.status-badge--good {
  color: var(--good);
  background: var(--good-soft);
}

.status-badge--warn {
  color: var(--warn);
  background: var(--warn-soft);
}

.status-badge--bad {
  color: var(--bad);
  background: var(--bad-soft);
}

.stat-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 14px 0 18px;
}

.stat-card {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
}

.stat-card__value {
  font-size: 22px;
}

.table-shell {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
}

.data-table thead th {
  position: sticky;
  top: 0;
  background: #f8fafc;
  z-index: 1;
}

.data-table {
  width: 100%;
  min-width: 1450px;
  border-collapse: collapse;
  background: #fff;
}

.data-table th,
.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.data-table th {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.value-positive {
  color: var(--good);
  font-weight: 800;
}

.value-negative {
  color: var(--bad);
  font-weight: 800;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(32, 33, 36, 0.42);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal__panel {
  width: min(420px, 100%);
  padding: 24px;
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow);
}

.modal__title {
  margin: 0 0 10px;
  font-size: 28px;
}

.modal__text {
  margin: 0 0 18px;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(32, 33, 36, 0.94);
  color: #fff;
}

.panel--detail {
  overflow: hidden;
}

@media (max-width: 1180px) {
  .metric-grid,
  .platform-grid,
  .stat-grid,
  .split-grid,
  .detail-grid,
  .signal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .content {
    padding: 18px;
  }
  .metric-grid,
  .platform-grid,
  .stat-grid,
  .split-grid,
  .detail-grid,
  .signal-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
  }

  .topbar-actions {
    justify-items: start;
  }

  .signin-card {
    padding: 28px 22px;
  }

  .signin-footer {
    flex-direction: column;
    align-items: stretch;
  }
}