:root {
  --bg: #f5f7f9;
  --surface: #ffffff;
  --surface-strong: #f7f9fb;
  --ink: #101418;
  --muted: #55616b;
  --border: #d8e0e5;
  --accent: #1495c2;
  --accent-soft: rgba(20, 149, 194, 0.14);
  --ucaba-yellow: #f2cf00;
  --ucaba-green: #08a348;
  --ucaba-blue: #1495c2;
  --ucaba-red: #ef2024;
  --success: #08a348;
  --warn: #ef2024;
  --shadow: 0 24px 48px rgba(16, 20, 24, 0.08);
  --shadow-strong: 0 28px 80px rgba(11, 19, 31, 0.18);
  --glow: 0 0 0 1px rgba(20, 149, 194, 0.12), 0 12px 48px rgba(20, 149, 194, 0.14);
  --panel-glass: rgba(255, 255, 255, 0.88);
  --transition-slow: 360ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(242, 207, 0, 0.14), transparent 26%),
    radial-gradient(circle at top right, rgba(20, 149, 194, 0.14), transparent 24%),
    linear-gradient(180deg, #f6f8fa 0%, #f1f5f8 100%);
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: 0;
  inset: auto;
  width: 38rem;
  height: 38rem;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(88px);
  opacity: 0.44;
}

body::before {
  top: -8rem;
  right: -8rem;
  background: radial-gradient(circle, rgba(20, 149, 194, 0.32) 0%, rgba(20, 149, 194, 0) 68%);
  animation: drift 18s ease-in-out infinite alternate;
}

body::after {
  bottom: -12rem;
  left: -10rem;
  background: radial-gradient(circle, rgba(8, 163, 72, 0.22) 0%, rgba(242, 207, 0, 0) 72%);
  animation: drift 20s ease-in-out infinite alternate-reverse;
}

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

button,
input,
select {
  font: inherit;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast);
}

button:hover,
select:hover,
input:hover {
  transform: translateY(-1px);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 2px solid rgba(20, 149, 194, 0.28);
  outline-offset: 2px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--ucaba-red);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.login-card {
  width: min(100%, 480px);
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(216, 224, 229, 0.9);
  border-radius: 28px;
  box-shadow: var(--shadow-strong);
  padding: 2.5rem;
}

.login-card::before {
  content: "";
  position: absolute;
  inset: -40% auto auto -18%;
  width: 14rem;
  height: 14rem;
  background: radial-gradient(circle, rgba(242, 207, 0, 0.22) 0%, rgba(242, 207, 0, 0) 72%);
  pointer-events: none;
}

.login-logo {
  display: block;
  width: min(100%, 320px);
  margin-bottom: 1rem;
}

.login-card h1 {
  font-family: "Sora", sans-serif;
  font-size: clamp(2rem, 5vw, 2.7rem);
  line-height: 1.1;
  margin: 0.7rem 0 1rem;
}

.login-card p {
  color: var(--muted);
  line-height: 1.6;
}

.login-form {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.8rem;
}

.login-form input {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.9rem 1rem;
  background: #fff;
}

.login-form button,
#apply-period {
  border: 0;
  border-radius: 16px;
  background: var(--ucaba-blue);
  color: #fff;
  font-weight: 700;
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(20, 149, 194, 0.2);
}

.login-hint,
.form-error {
  margin-top: 1rem;
  font-size: 0.92rem;
}

.login-powered {
  margin-top: 1.35rem;
}

.form-error {
  color: #9e3030;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 2rem 1.4rem;
  border-right: 1px solid rgba(216, 224, 229, 0.85);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88) 0%, rgba(247, 249, 251, 0.92) 100%);
  backdrop-filter: blur(16px);
  box-shadow: 24px 0 64px rgba(18, 29, 41, 0.03);
}

.sidebar::before {
  content: "";
  display: block;
  height: 6px;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  background: linear-gradient(
    90deg,
    var(--ucaba-yellow) 0%,
    var(--ucaba-green) 32%,
    var(--ucaba-blue) 66%,
    var(--ucaba-red) 100%
  );
}

.brand-logo {
  display: block;
  width: min(100%, 220px);
  margin-bottom: 1rem;
}

.brand h1 {
  font-family: "Sora", sans-serif;
  font-size: 1.5rem;
  line-height: 1.1;
  margin: 0.45rem 0 0.65rem;
}

.brand p,
.brand-kicker,
.period-box small {
  color: var(--muted);
}

.brand-kicker {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
}

.nav {
  display: grid;
  gap: 0.45rem;
  margin-top: 2rem;
}

.nav a,
.ghost-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 14px;
  padding: 0.9rem 1rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.35);
  border: 1px solid transparent;
  border-left-width: 5px;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.nav a:hover,
.ghost-button:hover {
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(216, 224, 229, 0.95);
  box-shadow: var(--glow);
}

.nav a:nth-child(1) {
  border-left-color: var(--ucaba-yellow);
}

.nav a:nth-child(2) {
  border-left-color: var(--ucaba-green);
}

.nav a:nth-child(3) {
  border-left-color: var(--ucaba-blue);
}

.nav a:nth-child(4) {
  border-left-color: var(--ucaba-red);
}

.nav a:nth-child(5) {
  border-left-color: var(--ink);
}

.nav a:nth-child(6) {
  border-left-color: var(--ucaba-yellow);
}

.nav a.is-active {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(20, 149, 194, 0.08));
  border-color: rgba(20, 149, 194, 0.2);
  box-shadow: var(--glow);
  transform: translateX(4px);
}

.logout-form {
  margin-top: 2rem;
}

.ghost-button {
  width: 100%;
  cursor: pointer;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 2rem;
}

.powered-by {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(16, 20, 24, 0.06);
  border: 1px solid rgba(16, 20, 24, 0.08);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.content {
  padding: 2rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 1.8rem;
}

.topbar h2 {
  font-family: "Sora", sans-serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.08;
  margin: 0.45rem 0 0;
}

.topbar-controls {
  display: grid;
  gap: 0.9rem;
  min-width: min(100%, 420px);
}

.period-box {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(216, 224, 229, 0.9);
  border-radius: 20px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.period-box span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

.period-box strong {
  display: block;
  margin-top: 0.25rem;
}

.period-box-form label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.period-inputs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  align-items: center;
}

.period-inputs input {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.7rem 0.8rem;
  background: #fff;
}

.panel {
  margin-top: 2rem;
  position: relative;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.panel-header h3,
.card h4 {
  margin: 0.35rem 0 0;
  font-family: "Sora", sans-serif;
}

.source-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(20, 149, 194, 0.1);
  border: 1px solid rgba(20, 149, 194, 0.22);
  color: var(--ucaba-blue);
  font-size: 0.82rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
}

.kpi-card,
.card,
.download-card {
  position: relative;
  overflow: hidden;
  background: var(--panel-glass);
  border: 1px solid rgba(216, 224, 229, 0.95);
  border-radius: 26px;
  box-shadow: var(--shadow);
  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-slow),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.kpi-card:hover,
.card:hover,
.download-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(20, 149, 194, 0.18);
}

.kpi-card {
  padding: 1.15rem;
  display: grid;
  gap: 0.75rem;
  border-top: 6px solid var(--ucaba-yellow);
}

.kpi-grid .kpi-card:nth-child(4n + 2) {
  border-top-color: var(--ucaba-green);
}

.kpi-grid .kpi-card:nth-child(4n + 3) {
  border-top-color: var(--ucaba-blue);
}

.kpi-grid .kpi-card:nth-child(4n + 4) {
  border-top-color: var(--ucaba-red);
}

.kpi-card-header {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  align-items: flex-start;
}

.kpi-card h4 {
  margin: 0;
  font-size: 0.98rem;
}

.kpi-source {
  font-size: 0.72rem;
  color: var(--ucaba-blue);
  background: rgba(20, 149, 194, 0.12);
  border-radius: 999px;
  padding: 0.25rem 0.5rem;
}

.kpi-values {
  display: grid;
  gap: 0.4rem;
}

.kpi-row {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.kpi-row strong {
  color: var(--ink);
}

.kpi-note {
  display: block;
  color: var(--muted);
  line-height: 1.4;
  font-size: 0.78rem;
}

.delta {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  padding: 0.35rem 0.6rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.delta.up {
  background: rgba(8, 163, 72, 0.14);
  color: var(--success);
}

.delta.down {
  background: rgba(239, 32, 36, 0.12);
  color: var(--warn);
}

.delta.na,
.delta.flat {
  background: rgba(20, 149, 194, 0.08);
  color: var(--ucaba-blue);
}

.overview-grid,
.benchmark-grid,
.content-grid,
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  align-items: start;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
}

.card {
  padding: 1.3rem;
}

.chart-card {
  display: flex;
  flex-direction: column;
  min-height: 380px;
  overflow: hidden;
}

.chart-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% auto;
  width: 14rem;
  height: 14rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(20, 149, 194, 0.12) 0%, rgba(20, 149, 194, 0) 72%);
  pointer-events: none;
}

.chart-card canvas {
  display: block;
  width: 100% !important;
  height: 280px !important;
  max-height: 280px !important;
}

.overview-grid .chart-card canvas {
  height: 250px !important;
  max-height: 250px !important;
}

.dominance-card {
  min-height: 380px;
}

.card-header {
  margin-bottom: 1rem;
}

.card-header p,
.card p,
.download-card p {
  color: var(--muted);
  line-height: 1.55;
}

.bullet-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.55;
}

.age-bands {
  display: grid;
  gap: 0.7rem;
}

.age-band {
  border-radius: 18px;
  padding: 0.8rem 0.9rem;
  background: var(--surface-strong);
  border: 1px solid var(--border);
}

.age-band-header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-weight: 700;
}

.age-band-bar {
  width: 100%;
  height: 9px;
  border-radius: 999px;
  background: rgba(20, 149, 194, 0.1);
  overflow: hidden;
}

.age-band-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ucaba-yellow), var(--ucaba-green), var(--ucaba-blue));
}

.commercial-card,
.transparency-card {
  margin-top: 1rem;
}

.frequency-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.spotlight-item {
  position: relative;
  padding: 1rem;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(247, 249, 251, 0.94));
  border: 1px solid rgba(216, 224, 229, 0.95);
}

.spotlight-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  border-radius: 20px 0 0 20px;
  background: var(--spotlight-color, var(--ucaba-blue));
}

.spotlight-item span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.spotlight-item strong {
  display: block;
  margin-top: 0.35rem;
  font-family: "Sora", sans-serif;
  font-size: 1.55rem;
}

.spotlight-item small {
  display: block;
  margin-top: 0.4rem;
  color: var(--muted);
}

.mini-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.mini-kpi-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(216, 224, 229, 0.95);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
  border-top: 5px solid var(--ucaba-blue);
}

.mini-kpi-card:nth-child(4n + 1) {
  border-top-color: var(--ucaba-yellow);
}

.mini-kpi-card:nth-child(4n + 2) {
  border-top-color: var(--ucaba-green);
}

.mini-kpi-card:nth-child(4n + 3) {
  border-top-color: var(--ucaba-blue);
}

.mini-kpi-card:nth-child(4n + 4) {
  border-top-color: var(--ucaba-red);
}

.mini-kpi-card span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.mini-kpi-card strong {
  display: block;
  margin-top: 0.35rem;
  font-family: "Sora", sans-serif;
  font-size: 1.45rem;
}

.mini-kpi-card small {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  line-height: 1.4;
}

.metric-chip {
  border-radius: 20px;
  padding: 1rem;
  background: var(--surface-strong);
  border: 1px solid var(--border);
}

.metric-chip span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
}

.metric-chip strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.2rem;
  font-family: "Sora", sans-serif;
}

.table-card {
  margin-top: 1rem;
}

.card-header-inline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
}

.inline-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.inline-controls select {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.55rem 0.75rem;
  background: #fff;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 0.9rem 0.7rem;
  border-bottom: 1px solid rgba(216, 208, 197, 0.7);
  font-size: 0.93rem;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tbody tr {
  transition: background var(--transition-fast), transform var(--transition-fast);
}

tbody tr:hover {
  background: rgba(20, 149, 194, 0.05);
}

tbody tr.is-highlight td {
  background: linear-gradient(90deg, rgba(242, 207, 0, 0.12), rgba(242, 207, 0, 0.04));
}

.row-label {
  display: grid;
  gap: 0.14rem;
}

.row-label strong {
  font-size: 0.96rem;
}

.row-label span {
  color: var(--muted);
  font-size: 0.84rem;
}

.row-chip {
  display: inline-flex;
  width: fit-content;
  padding: 0.22rem 0.48rem;
  border-radius: 999px;
  background: rgba(242, 207, 0, 0.18);
  color: #8a6f00;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.download-card {
  padding: 1.4rem;
  display: grid;
  gap: 0.45rem;
  min-height: 190px;
  border-top: 6px solid var(--ucaba-yellow);
}

.downloads-grid .download-card:nth-child(2) {
  border-top-color: var(--ucaba-blue);
}

.downloads-grid .download-card:nth-child(3) {
  border-top-color: var(--ucaba-red);
}

.downloads-grid .download-card:nth-child(4) {
  border-top-color: var(--ucaba-green);
}

.download-card strong {
  font-family: "Sora", sans-serif;
  font-size: 1.2rem;
}

.download-label {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 0.3rem 0.55rem;
  background: rgba(20, 149, 194, 0.12);
  color: var(--ucaba-blue);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.panel-note {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.ghost-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(20, 149, 194, 0.16);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ucaba-blue);
  font-weight: 700;
}

.ghost-link:hover {
  border-color: rgba(20, 149, 194, 0.3);
  box-shadow: var(--glow);
}

.empty-state {
  display: grid;
  gap: 1rem;
  padding: 1.15rem;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(247, 249, 251, 0.92), rgba(255, 255, 255, 0.98));
  border: 1px dashed rgba(20, 149, 194, 0.24);
}

.field-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.field-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.42rem 0.7rem;
  background: rgba(20, 149, 194, 0.08);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 600;
}

.top-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.top-post-card {
  padding: 1rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(216, 224, 229, 0.95);
}

.top-post-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.55rem;
}

.top-post-date,
.top-post-type {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.24rem 0.55rem;
  font-size: 0.74rem;
  font-weight: 700;
}

.top-post-date {
  background: rgba(242, 207, 0, 0.18);
  color: #8a6f00;
}

.top-post-type {
  background: rgba(20, 149, 194, 0.08);
  color: var(--ucaba-blue);
}

.top-post-card h5 {
  margin: 0;
  font-size: 1rem;
  font-family: "Sora", sans-serif;
}

.top-post-card p {
  margin: 0.55rem 0 0;
}

.top-post-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 0.9rem;
}

.top-post-meta span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.top-post-meta strong {
  display: block;
  margin-top: 0.18rem;
}

.top-posts-note {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.55;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(1.5rem, 2.5rem, 0) scale(1.08);
  }
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(26px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.js-ready .has-entrance {
  opacity: 0;
  transform: translateY(26px);
}

.js-ready .has-entrance.is-visible {
  opacity: 1;
  transform: translateY(0);
  animation: revealUp 720ms cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(var(--stagger-index, 0) * 50ms);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (max-width: 1500px) {
  .kpi-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .mini-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1320px) {
  .topbar,
  .panel-header,
  .card-header-inline {
    flex-direction: column;
    align-items: flex-start;
  }

  .overview-grid,
  .benchmark-grid,
  .audience-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(216, 208, 197, 0.85);
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .top-posts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body::before,
  body::after {
    width: 18rem;
    height: 18rem;
    filter: blur(56px);
    opacity: 0.24;
  }

  .content,
  .sidebar,
  .login-shell {
    padding: 1rem;
  }

  .app-shell {
    gap: 0;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    min-height: auto;
    padding: 0.85rem 0.85rem 0.75rem;
    border-bottom: 1px solid rgba(216, 208, 197, 0.7);
    box-shadow: 0 12px 32px rgba(16, 20, 24, 0.08);
    backdrop-filter: blur(12px);
  }

  .sidebar::before {
    height: 4px;
    margin-bottom: 0.75rem;
  }

  .brand {
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 0.65rem 0.85rem;
    align-items: center;
  }

  .brand-logo {
    width: 78px;
    margin: 0;
    grid-row: 1 / span 3;
  }

  .brand-kicker {
    font-size: 0.72rem;
  }

  .brand h1 {
    font-size: 1.32rem;
    margin: 0.12rem 0 0;
  }

  .brand p {
    display: none;
  }

  .nav {
    display: flex;
    gap: 0.55rem;
    overflow-x: auto;
    margin-top: 0.9rem;
    padding-bottom: 0.2rem;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    flex: 0 0 auto;
    min-height: 42px;
    padding: 0.7rem 0.9rem;
    border-left-width: 0;
    border-top: 4px solid transparent;
    background: rgba(255, 255, 255, 0.8);
    scroll-snap-align: start;
  }

  .nav a:nth-child(1) {
    border-top-color: var(--ucaba-yellow);
  }

  .nav a:nth-child(2) {
    border-top-color: var(--ucaba-green);
  }

  .nav a:nth-child(3) {
    border-top-color: var(--ucaba-blue);
  }

  .nav a:nth-child(4) {
    border-top-color: var(--ucaba-red);
  }

  .nav a:nth-child(5) {
    border-top-color: var(--ink);
  }

  .nav a:nth-child(6) {
    border-top-color: var(--ucaba-yellow);
  }

  .nav a.is-active {
    transform: none;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(20, 149, 194, 0.09));
  }

  .logout-form {
    margin-top: 0.85rem;
  }

  .ghost-button {
    width: auto;
    min-height: 40px;
    padding: 0.7rem 0.9rem;
  }

  .sidebar-footer {
    margin-top: 0.75rem;
    padding-top: 0;
  }

  .powered-by {
    font-size: 0.68rem;
    padding: 0.38rem 0.6rem;
    letter-spacing: 0.03em;
  }

  .content {
    padding-top: 1.15rem;
  }

  .topbar {
    margin-bottom: 1.2rem;
  }

  .topbar h2 {
    font-size: clamp(2rem, 10vw, 2.6rem);
    line-height: 0.98;
    max-width: 11ch;
  }

  .topbar-controls {
    min-width: 0;
    width: 100%;
  }

  .period-box {
    width: 100%;
    padding: 0.9rem 0.95rem;
  }

  .period-box-form small {
    display: block;
    line-height: 1.45;
  }

  .period-inputs input,
  #apply-period {
    width: 100%;
  }

  .panel {
    margin-top: 1.35rem;
  }

  .panel-header {
    margin-bottom: 0.85rem;
  }

  .panel-header h3 {
    font-size: 1.3rem;
  }

  .source-badge {
    font-size: 0.76rem;
    line-height: 1.35;
  }

  .kpi-grid,
  .overview-grid,
  .benchmark-grid,
  .audience-grid,
  .content-grid,
  .downloads-grid,
  .mini-kpi-grid,
  .frequency-metrics,
  .period-inputs,
  .spotlight-grid,
  .top-posts-grid,
  .top-post-meta {
    grid-template-columns: 1fr;
  }

  .login-card,
  .card,
  .download-card,
  .kpi-card,
  .period-box {
    border-radius: 20px;
  }

  .kpi-card,
  .card,
  .download-card,
  .mini-kpi-card {
    padding: 1rem;
  }

  .kpi-card:hover,
  .card:hover,
  .download-card:hover {
    transform: none;
    box-shadow: var(--shadow);
  }

  .chart-card,
  .dominance-card {
    min-height: auto;
  }

  .chart-card canvas {
    height: 220px !important;
    max-height: 220px !important;
  }

  .overview-grid .chart-card canvas {
    height: 210px !important;
    max-height: 210px !important;
  }

  .kpi-card-header,
  .kpi-row,
  .age-band-header {
    gap: 0.55rem;
  }

  .kpi-card h4,
  .card h4 {
    font-size: 1rem;
  }

  .kpi-source,
  .download-label {
    font-size: 0.7rem;
  }

  .spotlight-item strong,
  .mini-kpi-card strong {
    font-size: 1.28rem;
  }

  .table-wrap {
    overflow: visible;
    border-radius: 0;
  }

  table,
  thead,
  tbody,
  tr,
  td {
    display: block;
    width: 100%;
  }

  thead {
    display: none;
  }

  tbody {
    display: grid;
    gap: 0.8rem;
  }

  tbody tr {
    margin: 0;
    padding: 0.95rem;
    border-radius: 18px;
    border: 1px solid rgba(216, 224, 229, 0.95);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 14px 30px rgba(16, 20, 24, 0.05);
  }

  tbody tr.is-highlight {
    background: linear-gradient(180deg, rgba(255, 248, 212, 0.88), rgba(255, 255, 255, 0.94));
  }

  tbody tr.is-highlight td {
    background: transparent;
  }

  td {
    display: grid;
    grid-template-columns: minmax(92px, 38%) 1fr;
    gap: 0.7rem;
    align-items: start;
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(216, 208, 197, 0.55);
    font-size: 0.92rem;
  }

  td:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1.35;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }

  .row-label {
    gap: 0.2rem;
  }

  .row-label strong {
    font-size: 0.92rem;
  }

  .row-chip {
    margin-top: 0.15rem;
  }

  .top-posts-note {
    font-size: 0.9rem;
  }

  .top-post-card h5 {
    font-size: 0.95rem;
    line-height: 1.35;
  }

  .top-post-card p,
  .card p,
  .download-card p {
    font-size: 0.94rem;
  }

  .downloads-grid {
    gap: 0.85rem;
  }

  .download-card {
    min-height: 0;
  }

  .login-card {
    padding: 1.4rem;
  }

  .login-logo {
    width: min(100%, 250px);
  }

  .login-card h1 {
    font-size: clamp(1.7rem, 9vw, 2.1rem);
  }
}

@media (max-width: 420px) {
  .brand {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .brand-logo {
    width: 64px;
  }

  .brand h1 {
    font-size: 1.16rem;
  }

  .topbar h2 {
    font-size: clamp(1.82rem, 10vw, 2.24rem);
  }

  .powered-by {
    max-width: 100%;
    white-space: normal;
  }
}