:root {
  color-scheme: dark;
  --bg: #07110d;
  --surface: rgba(13, 27, 21, 0.86);
  --surface-strong: #10231b;
  --line: rgba(172, 226, 192, 0.14);
  --line-bright: rgba(172, 226, 192, 0.28);
  --text: #edf8f0;
  --muted: #8fa99a;
  --green: #53e88f;
  --green-deep: #25b96a;
  --lime: #c6ff3d;
  --amber: #ffb84d;
  --danger: #ff6b57;
  --blue: #66b7ff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
  font-family: "Microsoft YaHei UI", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    linear-gradient(rgba(83, 232, 143, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(83, 232, 143, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 75% 0%, #163d29 0%, transparent 34%),
    var(--bg);
  background-size: 28px 28px, 28px 28px, auto, auto;
}

button, input { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }

.ambient {
  position: fixed;
  width: 34vw;
  height: 34vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.13;
  pointer-events: none;
}
.ambient-one { top: -18vw; right: -8vw; background: var(--green); }
.ambient-two { bottom: -24vw; left: -10vw; background: var(--amber); opacity: 0.07; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(520px, 100%);
  padding: clamp(32px, 7vw, 64px);
  border: 1px solid var(--line-bright);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(20, 43, 32, 0.96), rgba(8, 20, 15, 0.96));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.login-card::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -70px;
  top: -70px;
  border: 1px solid rgba(83, 232, 143, 0.2);
  transform: rotate(30deg);
}

.brand-sigil {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
  background: linear-gradient(135deg, var(--green), #b9ffd0);
  color: #07110d;
  font: 900 24px/1 Bahnschrift, sans-serif;
  box-shadow: 0 0 34px rgba(83, 232, 143, 0.24);
}
.brand-sigil.small { width: 42px; height: 42px; font-size: 18px; }

.eyebrow, .section-kicker {
  margin: 20px 0 7px;
  color: var(--green);
  font: 700 11px/1.2 Bahnschrift, sans-serif;
  letter-spacing: 0.18em;
}
.login-card h1 { margin: 0; font-size: clamp(38px, 9vw, 58px); letter-spacing: -0.07em; }
.login-copy { margin: 14px 0 36px; color: var(--muted); }
label { display: block; color: #c8dccf; margin-bottom: 10px; font-size: 14px; }
.password-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
input {
  min-width: 0;
  height: 48px;
  padding: 0 15px;
  color: var(--text);
  border: 1px solid var(--line-bright);
  border-radius: 12px;
  outline: none;
  background: rgba(3, 12, 8, 0.7);
}
input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(83, 232, 143, 0.1); }
.password-row button, .icon-button {
  border: 0;
  border-radius: 12px;
  padding: 0 20px;
  color: #06100b;
  background: var(--green);
  font-weight: 800;
}
.form-error { min-height: 22px; margin: 10px 0 0; color: var(--danger); font-size: 13px; }

.dashboard { width: min(1500px, 100%); margin: 0 auto; padding: 24px clamp(16px, 4vw, 52px) 46px; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 17, 13, .98), rgba(7, 17, 13, .9));
  backdrop-filter: blur(18px);
}
.brand-lockup { display: flex; align-items: center; gap: 13px; }
.brand-lockup .eyebrow { margin: 0 0 4px; }
.brand-lockup h1 { margin: 0; font-size: 22px; letter-spacing: -0.04em; }
.session-actions { display: flex; align-items: center; gap: 8px; }
.dashboard-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(3, 12, 8, .58);
}
.dashboard-nav a {
  padding: 10px 12px;
  border-radius: 9px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  transition: color .2s ease, background .2s ease;
}
.dashboard-nav a:hover, .dashboard-nav a.active { color: var(--text); background: rgba(83, 232, 143, .09); }
.dashboard-nav a.active { color: var(--lime); }
.time-toolbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.range-caption { min-width: 0; }
.range-caption strong, .range-caption span { display: block; }
.range-caption strong { color: #dceae1; font: 650 13px/1.3 Bahnschrift, "Microsoft YaHei UI", sans-serif; letter-spacing: .035em; }
.range-caption span { margin-top: 4px; color: #6f8879; font-size: 11px; }
.range-switch { display: flex; padding: 4px; border-radius: 12px; background: rgba(3, 12, 8, 0.72); border: 1px solid var(--line); }
.range-switch button, .quiet-button {
  height: 36px;
  padding: 0 13px;
  border: 0;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
}
.range-switch button.active { color: #06100b; background: var(--lime); font-weight: 800; box-shadow: 0 0 24px rgba(198, 255, 61, .14); }
.icon-button { height: 38px; padding: 0 15px; }
.quiet-button { border: 1px solid var(--line); }
.quiet-button:hover { color: var(--text); border-color: var(--line-bright); }

.custom-range {
  display: flex;
  align-items: end;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(198, 255, 61, .25);
  border-top: 0;
  border-radius: 0 0 14px 14px;
  background: rgba(15, 32, 24, .96);
  box-shadow: 0 18px 54px rgba(0, 0, 0, .2);
}
.custom-range label { margin: 0; color: var(--muted); font-size: 11px; }
.custom-range input { display: block; width: 160px; height: 40px; margin-top: 6px; color-scheme: dark; }
.custom-range .quiet-button, .custom-range .icon-button { height: 40px; }

.loading-bar { height: 2px; margin-top: -1px; opacity: 0; background: linear-gradient(90deg, transparent, var(--green), transparent); transform-origin: left; }
.loading-bar.loading { opacity: 1; animation: scan 1.15s ease-in-out infinite; }
@keyframes scan { 0% { transform: scaleX(0); } 50% { transform: scaleX(1); } 100% { transform: scaleX(0); transform-origin: right; } }

.hero-summary { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding: 42px 0 22px; scroll-margin-top: 110px; }
.hero-summary .section-kicker { margin-top: 0; }
.hero-summary h2 { margin: 0; font-size: clamp(28px, 4.3vw, 54px); letter-spacing: -0.065em; }
.muted { margin: 12px 0 0; color: var(--muted); }
.live-pill, .summary-chip {
  flex: 0 0 auto;
  padding: 9px 13px;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  color: #cde0d3;
  background: rgba(7, 17, 13, 0.7);
  font-size: 13px;
}
.live-pill span { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }

.kpi-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.kpi-grid.compact-kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kpi-card, .panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(15, 32, 24, 0.88), rgba(8, 20, 15, 0.82));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}
.kpi-card { min-height: 150px; padding: 22px; position: relative; overflow: hidden; }
.kpi-card::after { content: ""; position: absolute; inset: auto -30px -50px auto; width: 100px; height: 100px; border: 1px solid var(--line); transform: rotate(25deg); }
.kpi-card.primary { border-color: rgba(83, 232, 143, 0.32); }
.kpi-card.accent { border-color: rgba(255, 184, 77, 0.34); }
.kpi-label { display: block; color: var(--muted); font-size: 13px; }
.kpi-card strong { display: block; margin: 15px 0 8px; font: 800 clamp(32px, 4vw, 48px)/1 Bahnschrift, sans-serif; letter-spacing: -0.045em; }
.kpi-card.primary strong { color: var(--green); }
.kpi-card.accent strong { color: var(--amber); }
.kpi-card small { color: #7f9a8a; }
.change-value { position: relative; z-index: 1; font: 700 12px/1.2 Bahnschrift, "Microsoft YaHei UI", sans-serif; }
.positive { color: var(--green) !important; }
.negative { color: var(--danger) !important; }
.neutral { color: var(--muted) !important; }

.history-notice {
  margin-bottom: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 184, 77, 0.3);
  border-radius: 14px;
  color: #f4d5a4;
  background: rgba(255, 184, 77, 0.08);
  line-height: 1.7;
  font-size: 13px;
}

.audit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.audit-grid > div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(4, 14, 10, 0.5);
}
.audit-grid span { display: block; color: var(--muted); font-size: 12px; }
.audit-grid strong { display: block; margin-top: 9px; font: 800 25px/1 Bahnschrift, sans-serif; }
.audit-definition { margin: 16px 0 0; color: var(--muted); line-height: 1.7; font-size: 13px; }

.cost-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.cost-grid > div {
  min-height: 132px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(4, 14, 10, 0.5);
}
.cost-grid span, .cost-grid small { display: block; color: var(--muted); font-size: 12px; }
.cost-grid strong { display: block; margin: 12px 0 9px; font: 800 clamp(27px, 3vw, 38px)/1 Bahnschrift, sans-serif; }
.cost-total strong { color: var(--amber); }
.budget-track { height: 6px; margin: 12px 0 9px; overflow: hidden; border-radius: 999px; background: rgba(255, 255, 255, 0.07); }
.budget-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--green), var(--amber)); transition: width .3s ease; }
.cost-breakdown { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.cost-breakdown > div:not(.empty-state) { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 12px; }
.cost-breakdown strong { color: #d9e9df; }

.panel { margin-top: 14px; padding: clamp(18px, 3vw, 28px); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 24px; }
.panel-heading .section-kicker { margin: 0 0 7px; }
.panel-heading h2 { margin: 0; font-size: 22px; letter-spacing: -0.04em; }
.panel-heading > span, .legend { color: var(--muted); font-size: 12px; }
.panel-heading.compact { margin-bottom: 18px; }
.panel-heading.compact h2 { font-size: 18px; }
.visitor-dot, .guide-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin: 0 6px 0 12px; }
.visitor-dot { background: var(--green); }
.guide-dot { background: var(--amber); }

.funnel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.funnel-step { min-height: 145px; padding: 20px; border-radius: 14px; border: 1px solid var(--line); background: rgba(4, 14, 10, 0.58); position: relative; overflow: hidden; }
.funnel-step::before { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: var(--rate); background: linear-gradient(90deg, var(--green), var(--amber)); }
.step-index { color: var(--green); font: 700 11px Bahnschrift, sans-serif; letter-spacing: .12em; }
.funnel-step h3 { margin: 12px 0 6px; font-size: 17px; }
.funnel-count { font: 800 34px/1 Bahnschrift, sans-serif; }
.funnel-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 12px; color: var(--muted); font-size: 12px; }

.chart-wrap { min-height: 280px; }
.chart-wrap svg { width: 100%; height: 280px; overflow: visible; }
.chart-grid { stroke: rgba(172, 226, 192, .09); stroke-width: 1; }
.chart-axis { fill: var(--muted); font-size: 11px; }
.visitor-line, .guide-line { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.visitor-line { stroke: var(--green); }
.guide-line { stroke: var(--amber); }
.chart-area { fill: url(#visitorGradient); }
.pv-area { fill: url(#pvGradient); }
.chart-dot { stroke: var(--bg); stroke-width: 3; }
.pv-axis { fill: var(--amber); }
.uv-axis { fill: var(--green); }

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(430px, .9fr);
  gap: 14px;
}
.overview-grid > .panel { min-width: 0; }
.content-panel, .audience-panel, .quality-panel { scroll-margin-top: 110px; }
.ranking-head, .content-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 76px 64px 68px;
  align-items: center;
  gap: 10px;
}
.ranking-head {
  padding: 9px 0 12px 44px;
  color: #647d6e;
  border-bottom: 1px solid var(--line);
  font: 700 10px/1 Bahnschrift, "Microsoft YaHei UI", sans-serif;
  letter-spacing: .08em;
}
.content-ranking { display: grid; }
.content-row { min-height: 53px; border-bottom: 1px solid var(--line); }
.content-row:last-child { border-bottom: 0; }
.content-rank {
  grid-column: 1;
  grid-row: 1;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #829a8b;
  background: rgba(255, 255, 255, .05);
  font: 800 12px/1 Bahnschrift, sans-serif;
}
.content-rank.top { color: #15210c; background: linear-gradient(135deg, var(--lime), var(--amber)); }
.content-name { grid-column: 1; grid-row: 1; min-width: 0; padding-left: 42px; }
.content-name strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.content-bar { display: block; width: var(--width); height: 3px; margin-top: 6px; border-radius: 99px; background: linear-gradient(90deg, var(--amber), rgba(255,184,77,.2)); }
.content-value, .content-share, .content-change { text-align: right; font: 700 12px/1 Bahnschrift, sans-serif; }
.content-share { color: #a9beb1; }
.content-value { color: #dfece4; }
.panel-note { margin: 16px 0 0; color: #6f8879; font-size: 11px; line-height: 1.6; }

.insight-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 14px;
}
.audience-layout {
  display: grid;
  grid-template-columns: minmax(260px, .85fr) minmax(260px, 1.15fr);
  gap: 26px;
  align-items: center;
}
.audience-layout h3 { margin: 0 0 15px; color: #b9ccc0; font-size: 13px; }
.device-share { display: flex; align-items: center; gap: 22px; padding-right: 24px; border-right: 1px solid var(--line); }
.device-donut {
  flex: 0 0 auto;
  width: 136px;
  height: 136px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  position: relative;
  background: conic-gradient(var(--lime) 0 50%, var(--green) 50% 100%);
}
.device-donut::after { content: ""; position: absolute; inset: 21px; border-radius: 50%; background: #0a1912; box-shadow: inset 0 0 0 1px var(--line); }
.device-donut span { position: relative; z-index: 1; color: var(--muted); font-size: 11px; }
.device-legend { display: grid; gap: 13px; min-width: 110px; }
.device-legend > div { display: grid; grid-template-columns: 8px 1fr; gap: 4px 8px; align-items: center; }
.device-legend i { width: 8px; height: 8px; border-radius: 50%; }
.mobile-dot { background: var(--lime); }
.desktop-dot { background: var(--green); }
.unknown-dot { background: #53645a; }
.device-legend span { color: var(--muted); font-size: 11px; }
.device-legend strong { grid-column: 2; color: var(--text); font: 800 22px/1 Bahnschrift, sans-serif; }

.quality-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 12px; }
.quality-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.quality-metrics > div, .error-card { padding: 17px; border: 1px solid var(--line); border-radius: 13px; background: rgba(4, 14, 10, .5); }
.quality-metrics span, .quality-metrics small { display: block; color: var(--muted); font-size: 11px; }
.quality-metrics strong { display: block; margin: 13px 0 8px; color: var(--lime); font: 800 clamp(27px, 3vw, 38px)/1 Bahnschrift, sans-serif; }
.error-card { min-width: 0; }
.error-card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.error-card-head span { color: #c8d9ce; font-size: 12px; }
.error-card-head strong { color: var(--danger); font: 800 20px/1 Bahnschrift, sans-serif; }
.error-chart { height: 112px; margin-top: 8px; }
.error-chart svg { width: 100%; height: 112px; overflow: visible; }
.error-line { fill: none; stroke: var(--danger); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.error-area { fill: rgba(255, 107, 87, .13); }
.error-caption { padding-top: 9px; color: #a87970; border-top: 1px solid rgba(255,107,87,.15); font-size: 10px; }
.error-chart .empty-state { padding: 35px 8px; }

.operations-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; scroll-margin-top: 110px; }
.operations-grid .cost-grid { grid-template-columns: repeat(3, 1fr); }
.operations-grid .cost-grid > div { min-height: 116px; padding: 15px; }
.operations-grid .cost-grid strong { font-size: clamp(23px, 2.5vw, 34px); }

.split-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 14px; }
.definition-grid { grid-template-columns: 1fr 1fr; }
.definition-card h2 { margin: 0 0 16px; font-size: 18px; }
.definition-card p:not(.section-kicker) { margin: 8px 0 0; color: var(--muted); line-height: 1.7; }
.ranking-list, .search-list, .breakdown-list { display: grid; gap: 8px; }
.rank-row { display: grid; grid-template-columns: 30px minmax(100px, 1fr) minmax(120px, 2fr) auto; align-items: center; gap: 12px; min-height: 42px; }
.rank-number { color: #769283; font: 700 12px Bahnschrift, sans-serif; }
.rank-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 700; }
.bar-track { height: 7px; overflow: hidden; border-radius: 999px; background: rgba(255,255,255,.055); }
.bar-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--green-deep), var(--green)); }
.rank-values { min-width: 70px; text-align: right; color: var(--muted); font: 600 12px Bahnschrift, sans-serif; }

.search-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.search-row:last-child { border-bottom: 0; }
.search-query { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-count { color: var(--green); font: 700 13px Bahnschrift, sans-serif; }
.zero-tag { display: inline-block; margin-left: 8px; padding: 2px 6px; border-radius: 999px; color: #ffd2ca; background: rgba(255,107,87,.14); font-size: 10px; }

.small-panels { grid-template-columns: 1fr 1fr; }
.breakdown-row { display: grid; grid-template-columns: minmax(90px, 1fr) 3fr auto; align-items: center; gap: 12px; min-height: 34px; }
.breakdown-label { color: #c5d8cb; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.breakdown-value { width: 40px; text-align: right; color: var(--muted); font: 600 12px Bahnschrift, sans-serif; }

.empty-state { padding: 34px 12px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 12px; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 24px 4px 0; color: #6f8879; font-size: 12px; }
.toast { position: fixed; left: 50%; bottom: 28px; translate: -50% 18px; opacity: 0; padding: 11px 16px; border-radius: 10px; color: var(--text); background: #193729; box-shadow: var(--shadow); transition: .22s ease; pointer-events: none; }
.toast.show { opacity: 1; translate: -50% 0; }

@media (max-width: 980px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .kpi-grid.compact-kpis { grid-template-columns: repeat(2, 1fr); }
  .split-grid { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; padding: 12px 0; }
  .dashboard-nav { order: 3; width: 100%; overflow-x: auto; }
  .dashboard-nav a { flex: 1 0 auto; text-align: center; }
  .overview-grid, .insight-grid, .operations-grid { grid-template-columns: 1fr; }
  .overview-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .dashboard { padding-inline: 12px; }
  .hero-summary { align-items: flex-start; flex-direction: column; }
  .topbar { padding: 15px 0; }
  .session-actions { margin-left: auto; }
  .time-toolbar { grid-template-columns: 1fr auto; gap: 12px; }
  .range-switch { grid-column: 1 / -1; width: 100%; overflow-x: auto; }
  .range-switch button { flex: 1; }
  .range-caption { grid-column: 1; }
  .time-toolbar .live-pill { grid-column: 2; grid-row: 2; }
  .custom-range { align-items: stretch; flex-wrap: wrap; }
  .custom-range label { flex: 1 1 140px; }
  .custom-range input { width: 100%; }
  .custom-range > span { display: none; }
  .hero-summary { padding-top: 34px; }
  .live-pill { align-self: flex-start; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .audit-grid { grid-template-columns: repeat(2, 1fr); }
  .cost-grid { grid-template-columns: 1fr 1fr; }
  .kpi-card { min-height: 130px; padding: 17px; }
  .funnel-grid { grid-template-columns: 1fr 1fr; }
  .panel-heading { align-items: flex-start; }
  .legend { display: none; }
  .ranking-head, .content-row { grid-template-columns: minmax(150px, 1fr) 68px 58px; }
  .ranking-head span:nth-child(4), .content-change { display: none; }
  .audience-layout, .quality-layout { grid-template-columns: 1fr; }
  .device-share { justify-content: center; padding: 0 0 22px; border-right: 0; border-bottom: 1px solid var(--line); }
  .quality-metrics { grid-template-columns: repeat(3, 1fr); }
  .rank-row { grid-template-columns: 24px minmax(90px, 1fr) auto; }
  .rank-row .bar-track { grid-column: 2 / -1; }
  .password-row { grid-template-columns: 1fr; }
  .password-row button { min-height: 48px; }
  footer { flex-direction: column; }
}

@media (max-width: 420px) {
  .kpi-grid, .kpi-grid.compact-kpis, .funnel-grid { grid-template-columns: 1fr; }
  .audit-grid { grid-template-columns: 1fr 1fr; }
  .cost-grid { grid-template-columns: 1fr; }
  .kpi-card { min-height: 116px; }
  .session-actions .icon-button, .session-actions .quiet-button { flex: 1; }
  .brand-lockup .eyebrow { display: none; }
  .dashboard-nav { margin-inline: -4px; }
  .range-switch button { min-width: 76px; }
  .quality-metrics { grid-template-columns: 1fr; }
  .device-share { align-items: flex-start; }
  .device-donut { width: 112px; height: 112px; }
  .ranking-head, .content-row { grid-template-columns: minmax(130px, 1fr) 64px; }
  .ranking-head span:nth-child(3), .content-share { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}