/* =========================================================
   UTM 링크 분석 — editorial data journal
   Palette: warm paper cream + ink black + crimson accent
   Typography: Georgia serif display + Apple SD Gothic Neo body
   ========================================================= */

:root {
  --paper:        #f5f1e8;
  --paper-2:      #ede7d4;
  --paper-3:      #e6dfc8;
  --card:         #fbf8f0;
  --card-2:       #ffffff;
  --ink:          #14140f;
  --ink-2:        #3a3a34;
  --ink-3:        #6b685f;
  --ink-4:        #9e9a8c;
  --rule:         #d9d3c1;
  --rule-2:       #ece5d1;
  --rule-3:       #f0ebd8;

  --accent:       #c8322b;   /* crimson */
  --accent-2:     #a02623;
  --navy:         #1e3a5f;
  --navy-2:       #12253d;
  --gold:         #b78d3c;
  --gold-2:       #8d6a26;
  --moss:         #3e6b3a;
  --plum:         #6b3272;

  --shadow-1:     0 1px 0 rgba(20,20,15,0.04), 0 1px 2px rgba(20,20,15,0.03);
  --shadow-2:     0 2px 0 rgba(20,20,15,0.04), 0 8px 24px -12px rgba(20,20,15,0.15);
  --shadow-focus: 0 0 0 3px rgba(200,50,43,0.18);

  --serif:        Georgia, "Times New Roman", "Nanum Myeongjo", "Batang", serif;
  --sans:         "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Helvetica Neue", sans-serif;
  --mono:         "SF Mono", Menlo, "Cascadia Code", Consolas, "Nanum Gothic Coding", monospace;

  --radius:       4px;
  --radius-lg:    8px;

  --pad-x:        clamp(24px, 3vw, 48px);
  --content-max:  1400px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(1200px 500px at 90% -10%, rgba(200,50,43,0.05), transparent 60%),
    radial-gradient(900px 400px at -10% 110%, rgba(30,58,95,0.05), transparent 60%),
    var(--paper);
  background-attachment: fixed;
}

/* subtle paper grain */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  opacity: 0.035;
  z-index: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.08  0 0 0 0 0.08  0 0 0 0 0.06  0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

#app { position: relative; z-index: 1; }

::selection { background: var(--ink); color: var(--paper); }

a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input[type="search"] { font: inherit; color: inherit; }

/* =========================================================
   TOPBAR
   ========================================================= */

.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(245,241,232,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}

.topbar-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 14px var(--pad-x);
  display: grid;
  grid-template-columns: minmax(220px, auto) 1fr minmax(180px, auto);
  align-items: center;
  gap: 28px;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  width: 32px; height: 32px;
  display: inline-grid; grid-template-rows: 1fr 1fr 1fr;
  gap: 3px; padding: 4px 0;
}
.mark-bar { display: block; height: 3px; background: var(--ink); border-radius: 1px; }
.mark-bar-1 { width: 100%; background: var(--accent); }
.mark-bar-2 { width: 70%; }
.mark-bar-3 { width: 88%; }

.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.brand-title {
  margin: 4px 0 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-title em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
  margin-right: 2px;
}

.tabs {
  display: flex;
  justify-self: center;
  gap: 4px;
  padding: 4px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 999px;
}

.tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background 0.16s ease, color 0.16s ease;
}
.tab:hover { color: var(--ink); background: rgba(255,255,255,0.6); }
.tab:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.tab.is-active {
  background: var(--ink);
  color: var(--paper);
}
.tab.is-active .tab-index { color: rgba(245,241,232,0.55); }
.tab-index {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
}
.tab-label { font-family: var(--sans); }

.topbar-right {
  justify-self: end;
  display: flex; flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  line-height: 1.15;
}
.meta-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.meta-value {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
}

/* =========================================================
   KPI ROW
   ========================================================= */

.kpi-row {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 28px var(--pad-x) 8px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--rule);
}

.kpi {
  padding: 4px 22px 20px 0;
  display: flex; flex-direction: column; gap: 4px;
  position: relative;
}
.kpi + .kpi { padding-left: 22px; border-left: 1px solid var(--rule-2); }

.kpi-key {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.kpi-val {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}
.kpi-sub {
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.01em;
}
.kpi-accent .kpi-val { color: var(--accent); }
.kpi-accent .kpi-key { color: var(--accent-2); }

/* =========================================================
   MAIN + PANELS
   ========================================================= */

.main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 28px var(--pad-x) 80px;
  min-height: 60vh;
}

[hidden] { display: none !important; }
.loading {
  padding: 60px 0;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  color: var(--ink-3);
}
.spinner {
  width: 28px; height: 28px;
  border: 2px solid var(--rule);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error {
  padding: 40px;
  border: 1px solid var(--rule);
  background: var(--card);
  border-radius: var(--radius-lg);
  text-align: center;
}
.error h2 { margin: 0 0 8px; font-family: var(--serif); font-weight: 500; color: var(--accent); }
.error code {
  font-family: var(--mono); font-size: 13px;
  background: var(--paper-2); padding: 2px 6px; border-radius: 3px;
  color: var(--ink);
}

.panel { animation: rise 0.28s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.panel-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 8px 0 22px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 22px;
}
.panel-head-slim { padding-bottom: 14px; margin-bottom: 18px; }

.panel-title { display: flex; align-items: flex-start; gap: 18px; max-width: 720px; }
.panel-num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  padding-top: 12px;
  border-top: 2px solid var(--accent);
  min-width: 32px;
}
.panel-title h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 30px;
  letter-spacing: -0.015em;
  color: var(--ink);
  line-height: 1.1;
}
.panel-desc {
  margin: 6px 0 0;
  color: var(--ink-3);
  font-size: 13px;
  max-width: 60ch;
}

.panel-tools {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap; justify-content: flex-end;
}

/* Inputs */
.input {
  display: inline-flex; flex-direction: column; gap: 4px;
  min-width: 240px;
}
.input-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.input input {
  padding: 9px 12px;
  background: var(--card-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input input::placeholder { color: var(--ink-4); }
.input input:focus { border-color: var(--ink); box-shadow: var(--shadow-focus); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  align-self: flex-end;
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-ghost:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn-glyph { font-family: var(--mono); font-weight: 600; }

/* Range toggle */
.range-toggle {
  display: inline-flex;
  padding: 3px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  align-self: flex-end;
}
.range {
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-2);
  border-radius: 2px;
  transition: background 0.14s ease, color 0.14s ease;
}
.range:hover { color: var(--ink); }
.range.is-active { background: var(--ink); color: var(--paper); }
.range:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

/* =========================================================
   TABLES
   ========================================================= */

.table-wrap {
  background: var(--card-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}
.table-wrap + .pagination { margin-top: 14px; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.data-table thead th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  white-space: nowrap;
  user-select: none;
  vertical-align: middle;
}
.data-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule-3);
  vertical-align: middle;
  color: var(--ink);
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover td { background: var(--paper); }

.data-table .col-num, .data-table th.col-num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.data-table .col-rank, .data-table th.col-rank { width: 60px; text-align: right; font-family: var(--mono); color: var(--ink-3); font-variant-numeric: tabular-nums; }
.data-table .col-chan { width: 260px; }
.data-table .col-strong { font-weight: 600; }
.data-table .col-url { max-width: 640px; }
.data-table .col-usage { width: 120px; white-space: nowrap; }
.data-table .col-usage .expand-btn { margin-left: 8px; }
.data-table .col-usage.col-empty { color: var(--ink-4); font-style: italic; font-weight: 400; }
.data-table .mono { font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); }

.data-table.compact thead th { padding: 10px 12px; font-size: 10px; }
.data-table.compact tbody td { padding: 10px 12px; font-size: 13px; }

.sortable { cursor: pointer; transition: color 0.14s ease; }
.sortable:hover { color: var(--ink); }
.sortable::after {
  content: "◇";
  margin-left: 6px; font-size: 10px; color: var(--ink-4);
}
.sortable.is-sort-desc::after { content: "▼"; color: var(--accent); }
.sortable.is-sort-asc::after  { content: "▲"; color: var(--accent); }

.empty td {
  padding: 40px !important;
  text-align: center;
  color: var(--ink-3);
  font-style: italic;
}

.url-link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
  transition: color 0.14s ease, border-color 0.14s ease;
  word-break: break-all;
}
.url-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

.row-expandable { cursor: pointer; }
.row-expandable.is-open td { background: var(--paper); }
.row-expandable.is-open .expand-btn { color: var(--accent); }
.row-expandable .expand-btn {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  margin-left: 10px;
  padding: 2px 6px;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color 0.14s ease, border-color 0.14s ease;
}
.row-expandable:hover .expand-btn { color: var(--ink); border-color: var(--rule); }

.detail-row td {
  background: linear-gradient(180deg, var(--paper) 0%, var(--card-2) 100%);
  padding: 0 !important;
  border-bottom: 1px solid var(--rule) !important;
}
.detail-inner {
  padding: 18px 22px 22px;
  animation: openDetail 0.22s ease;
}
@keyframes openDetail { from { opacity: 0; } to { opacity: 1; } }

.sub-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: var(--card-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}
.sub-table thead th {
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: var(--paper-3);
  text-align: left;
}
.sub-table tbody td {
  padding: 8px 12px;
  border-top: 1px solid var(--rule-3);
}
.sub-table tbody tr:first-child td { border-top: 0; }
.sub-table .col-num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* =========================================================
   BADGES + CHIPS
   ========================================================= */

.badge-row { display: flex; flex-wrap: wrap; gap: 4px; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px 3px 7px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--card-2);
  border-radius: 2px;
  white-space: nowrap;
  line-height: 1.4;
}
.badge::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  margin-right: 6px;
  background: currentColor;
  border-radius: 50%;
  opacity: 0.5;
}
.badge { background: var(--ink-3); }

.filter-row {
  display: flex; flex-wrap: wrap;
  align-items: center; gap: 10px;
  padding: 14px 0 18px;
}
.filter-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-right: 4px;
}

.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--rule);
  background: var(--card-2);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.14s ease, background 0.14s ease, color 0.14s ease;
  user-select: none;
}
.chip input {
  appearance: none;
  -webkit-appearance: none;
  width: 12px; height: 12px;
  border: 1.5px solid var(--ink-4);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease;
  margin: 0;
  display: inline-flex; align-items: center; justify-content: center;
}
.chip input:checked {
  background: var(--ink);
  border-color: var(--ink);
}
.chip:hover { color: var(--ink); border-color: var(--ink-3); }
.chip:has(input:checked) { border-color: var(--ink); background: var(--paper-2); color: var(--ink); }
.chip.chip-channel:has(input:checked) {
  border-color: var(--chip-color, var(--ink));
  box-shadow: inset 3px 0 0 var(--chip-color, var(--ink));
}

.chips-row {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 22px 0 0;
  flex-wrap: wrap;
}
.chips-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 8px;
  min-width: 180px;
}
.chips-hint { color: var(--ink-4); text-transform: none; letter-spacing: 0.02em; margin-left: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; flex: 1; }
.chip-outline {
  background: var(--card);
  color: var(--ink-2);
}
.chip-outline:has(input:checked) { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip-outline:has(input:checked) input { border-color: var(--paper); background: var(--paper); }
.chip-outline:has(input:checked) input:checked { background: var(--accent); border-color: var(--accent); }

/* =========================================================
   CHART FRAMES
   ========================================================= */

.chart-frame {
  background: var(--card-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 20px 22px 22px;
  box-shadow: var(--shadow-1);
  margin-bottom: 8px;
  position: relative;
}
.chart-cap {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--rule);
}
.chart-inner { position: relative; width: 100%; }
.chart-frame-tall .chart-inner { height: 640px; }
.chart-frame-lg   .chart-inner { height: 380px; }
.chart-frame-md   .chart-inner { height: 280px; }

/* =========================================================
   PAGINATION
   ========================================================= */

.pagination {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 4px 40px;
  gap: 16px;
}
.page-info {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.page-buttons { display: inline-flex; gap: 4px; }
.page-btn {
  min-width: 34px;
  padding: 7px 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-2);
  background: var(--card-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  transition: border-color 0.14s ease, background 0.14s ease, color 0.14s ease;
}
.page-btn:hover:not(:disabled) { border-color: var(--ink); color: var(--ink); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.page-btn.is-active {
  background: var(--ink); color: var(--paper); border-color: var(--ink);
}
.page-btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

/* =========================================================
   SUMMARY GRID
   ========================================================= */

.summary-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 20px;
}
.card {
  background: var(--card-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 22px 22px 24px;
  box-shadow: var(--shadow-1);
  display: flex; flex-direction: column; gap: 14px;
}
.card-wide { grid-column: span 1; }
.card-head { display: flex; flex-direction: column; gap: 2px; }
.card-head h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.card-sub {
  margin: 0;
  font-size: 12px;
  color: var(--ink-3);
}
.card-body { font-size: 13.5px; color: var(--ink-2); margin: 0; }
.card-body strong { color: var(--ink); font-weight: 600; }

.channel-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.channel-split .chart-frame {
  margin: 0;
  padding: 12px 14px 14px;
  box-shadow: none;
}
.table-inline { box-shadow: none; overflow-x: auto; }
.table-inline .data-table { font-size: 12.5px; }
.table-inline .data-table td, .table-inline .data-table th { white-space: nowrap; }

.zero-big {
  display: flex; align-items: baseline; gap: 4px;
  padding: 6px 0 0;
}
.zero-big span {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 64px;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.zero-big small {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--accent);
  font-style: italic;
}

.callout {
  padding: 16px 18px;
  background: var(--paper);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
}
.callout-body { margin: 0; font-size: 13px; color: var(--ink-2); line-height: 1.6; }
.callout-body em { font-style: italic; color: var(--accent); font-weight: 500; }
.callout-body strong { color: var(--ink); font-weight: 600; }

.sheet-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 4px 2px;
  border-top: 1px dashed var(--rule);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.5;
}
.sheet-num {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 34px;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.sheet-body em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink);
  padding: 1px 6px;
  background: var(--paper-2);
  border-radius: 2px;
  margin-left: 2px;
}

/* =========================================================
   FOOTER
   ========================================================= */

.footer {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 20px var(--pad-x);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
}
.footer-mono {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* =========================================================
   RESPONSIVE — target down to 1024px
   ========================================================= */

@media (max-width: 1200px) {
  .kpi-row { grid-template-columns: repeat(3, 1fr); }
  .kpi:nth-child(4) { border-left: 0; padding-left: 0; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .card-wide { grid-column: span 2; }
}

@media (max-width: 1024px) {
  :root { --pad-x: 20px; }
  .topbar-inner {
    grid-template-columns: 1fr auto;
    row-gap: 12px;
  }
  .brand { grid-column: 1; }
  .topbar-right { grid-column: 2; }
  .tabs { grid-column: 1 / -1; justify-self: stretch; justify-content: space-between; }
  .tab { flex: 1; justify-content: center; padding: 8px 10px; }
  .panel-head { flex-direction: column; align-items: stretch; }
  .panel-tools { justify-content: flex-start; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .kpi { padding-left: 0 !important; border-left: 0 !important; padding-right: 12px; }
  .kpi:nth-child(2n) { border-left: 1px solid var(--rule-2) !important; padding-left: 20px !important; }
  .summary-grid { grid-template-columns: 1fr; }
  .card-wide { grid-column: span 1; }
  .channel-split { grid-template-columns: 1fr; }
  .chart-frame-tall .chart-inner { height: 520px; }
}