/* ============================================================
   KART PERFORMANCE — Analytics prototype shared stylesheet
   All custom classes prefixed `kp-` to coexist with Bootstrap.
   ============================================================ */

:root {
  --kp-bg:        #0a0b0d;
  --kp-surface:   #101218;
  --kp-surface-2: #161924;
  --kp-elev:      #1a1e2a;
  --kp-line:      #1e222d;
  --kp-line-2:    #2b3140;
  --kp-text:      #e9eaed;
  --kp-text-2:    #969aa6;
  --kp-text-3:    #5a5f6c;
  --kp-accent:    #ff4d3d;     /* signal red — sparingly, only for "me" / alerts */
  --kp-accent-2:  #ffb38a;
  --kp-pos:       #4ad295;
  --kp-blue:      #6ea8ff;
  --kp-amber:     #f0b65a;
  --kp-violet:    #b083f0;

  --kp-font-display: "Fraunces", "Times New Roman", serif;
  --kp-font-ui: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
  --kp-font-mono: "JetBrains Mono", ui-monospace, monospace;

  --kp-eyebrow: 10.5px;
  --kp-rule: 1px solid var(--kp-line);
  --kp-rule-2: 1px solid var(--kp-line-2);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--kp-bg);
  color: var(--kp-text);
  font-family: var(--kp-font-ui);
  font-size: 14px;
  line-height: 1.5;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 60% at 70% -10%, rgba(255, 77, 61, 0.06), transparent 60%),
    radial-gradient(ellipse 60% 80% at 0% 100%, rgba(110, 168, 255, 0.04), transparent 70%);
}

/* ---------- Layout shell ------------------------------------ */
.kp-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

/* ---------- Sidebar ----------------------------------------- */
.kp-side {
  border-right: var(--kp-rule);
  padding: 28px 22px;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.012), transparent 30%);
}
.kp-brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--kp-font-display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.02em;
  font-style: italic;
  color: var(--kp-text);
  text-decoration: none;
}
.kp-brand-mark {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--kp-accent);
  transform: translateY(-2px);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(255,77,61,0.6);
}
.kp-brand-sub {
  font-family: var(--kp-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  font-style: normal;
  margin-top: -2px;
  display: block;
}

.kp-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kp-nav-section {
  font-family: var(--kp-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  margin: 16px 8px 6px;
}
.kp-nav-section:first-child { margin-top: 0; }
.kp-nav a {
  color: var(--kp-text-2);
  text-decoration: none;
  font-size: 13.5px;
  padding: 7px 10px;
  border-left: 2px solid transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.kp-nav a:hover { color: var(--kp-text); }
.kp-nav a.kp-active {
  color: var(--kp-text);
  border-left-color: var(--kp-accent);
  background: linear-gradient(90deg, rgba(255,77,61,0.06), transparent 60%);
}
.kp-nav-pill {
  font-family: var(--kp-font-mono);
  font-size: 10px;
  color: var(--kp-text-3);
  border: var(--kp-rule);
  padding: 1px 6px;
  border-radius: 999px;
}
.kp-nav-pill.kp-pill-alert { color: var(--kp-accent); border-color: rgba(255,77,61,0.4); }

.kp-side-foot {
  margin-top: auto;
  font-family: var(--kp-font-mono);
  font-size: 10px;
  color: var(--kp-text-3);
  letter-spacing: 0.06em;
  line-height: 1.7;
}
.kp-side-foot strong { color: var(--kp-text-2); font-weight: 500; }

/* ---------- Main column ------------------------------------- */
.kp-main { min-width: 0; }

/* Topbar */
.kp-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 36px;
  border-bottom: var(--kp-rule);
  background: rgba(10,11,13,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.kp-crumbs {
  font-family: var(--kp-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kp-text-3);
}
.kp-crumbs strong { color: var(--kp-text-2); font-weight: 500; }
.kp-crumbs .kp-sep { margin: 0 8px; color: var(--kp-line-2); }
.kp-spacer { flex: 1; }

.kp-tselect {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border: var(--kp-rule);
  background: transparent;
  font-family: var(--kp-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--kp-text-2);
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.kp-tselect:hover { border-color: var(--kp-line-2); color: var(--kp-text); }
.kp-tselect svg { opacity: .5; }
.kp-tdot { width: 6px; height: 6px; background: var(--kp-pos); border-radius: 50%; box-shadow: 0 0 8px rgba(74,210,149,.6); }

.kp-toggle {
  display: flex;
  border: var(--kp-rule);
}
.kp-toggle button {
  background: transparent;
  border: 0;
  border-right: var(--kp-rule);
  padding: 6px 12px;
  font-family: var(--kp-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  cursor: pointer;
  transition: color .15s, background .15s;
}
.kp-toggle button:last-child { border-right: 0; }
.kp-toggle button:hover { color: var(--kp-text-2); }
.kp-toggle button.kp-on {
  color: var(--kp-text);
  background: rgba(255,77,61,0.08);
}

.kp-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 16px;
  border-left: var(--kp-rule);
}
.kp-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2a2f3a, #161924);
  border: 1px solid var(--kp-line-2);
  display: grid;
  place-items: center;
  font-family: var(--kp-font-mono);
  font-size: 10px;
  color: var(--kp-text);
  font-weight: 600;
}
.kp-user-name {
  font-size: 12.5px;
  color: var(--kp-text-2);
}

/* ---------- Editorial hero ---------------------------------- */
.kp-hero {
  padding: 64px 36px 36px;
  border-bottom: var(--kp-rule);
  position: relative;
  overflow: hidden;
}
.kp-hero[data-numeral]::before {
  content: attr(data-numeral);
  position: absolute;
  top: 24px;
  right: 36px;
  font-family: var(--kp-font-display);
  font-style: italic;
  font-size: 220px;
  line-height: 0.8;
  color: var(--kp-line);
  pointer-events: none;
  user-select: none;
}
.kp-eyebrow {
  font-family: var(--kp-font-mono);
  font-size: var(--kp-eyebrow);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  position: relative;
}
.kp-eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--kp-accent);
}
.kp-eyebrow-accent { color: var(--kp-accent); }

.kp-title {
  font-family: var(--kp-font-display);
  font-weight: 300;
  font-size: clamp(40px, 6.4vw, 92px);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: 0 0 24px;
  color: var(--kp-text);
  position: relative;
  max-width: 16ch;
}
.kp-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--kp-text);
  font-feature-settings: "ss01";
}
.kp-title .kp-title-mark {
  color: var(--kp-accent);
  font-style: italic;
}

.kp-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  font-family: var(--kp-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--kp-text-3);
  text-transform: uppercase;
  position: relative;
  margin-top: 6px;
}
.kp-hero-meta strong {
  display: block;
  color: var(--kp-text);
  font-size: 13px;
  margin-top: 4px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ---------- KPI quartet ------------------------------------- */
.kp-kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: var(--kp-rule);
}
.kp-kpi {
  padding: 28px 28px 32px;
  border-right: var(--kp-rule);
  position: relative;
}
.kp-kpi:last-child { border-right: 0; }

.kp-kpi-label {
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.kp-kpi-tag {
  font-size: 9.5px;
  padding: 1px 6px;
  border: var(--kp-rule);
  letter-spacing: 0.1em;
  color: var(--kp-text-2);
}
.kp-kpi-tag.kp-tag-me { color: var(--kp-accent); border-color: rgba(255,77,61,0.4); }
.kp-kpi-tag.kp-tag-pos { color: var(--kp-pos); border-color: rgba(74,210,149,0.4); }
.kp-kpi-tag.kp-tag-blue { color: var(--kp-blue); border-color: rgba(110,168,255,0.4); }

.kp-kpi-value {
  font-family: var(--kp-font-display);
  font-weight: 300;
  font-size: 54px;
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 22px 0 14px;
  color: var(--kp-text);
  font-feature-settings: "tnum", "ss01";
}
.kp-kpi-value .kp-unit {
  font-size: 16px;
  color: var(--kp-text-3);
  font-style: italic;
  margin-left: 4px;
  font-feature-settings: normal;
}
.kp-kpi-delta {
  font-family: var(--kp-font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--kp-text-2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.kp-kpi-delta .kp-up { color: var(--kp-pos); }
.kp-kpi-delta .kp-down { color: var(--kp-accent); }
.kp-kpi-delta .kp-arrow { font-size: 10px; }

.kp-kpi-spark { margin-top: 10px; height: 24px; opacity: .85; }

/* ---------- Section grid ------------------------------------ */
.kp-section {
  padding: 56px 36px;
  border-bottom: var(--kp-rule);
}
.kp-section:last-of-type { border-bottom: 0; }
.kp-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 24px;
  flex-wrap: wrap;
}
.kp-h2 {
  font-family: var(--kp-font-display);
  font-weight: 400;
  font-size: 30px;
  letter-spacing: -0.018em;
  margin: 0;
  color: var(--kp-text);
}
.kp-h2 em { font-style: italic; color: var(--kp-text-2); font-weight: 300; }
.kp-section-eyebrow {
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  margin-bottom: 8px;
}
.kp-section-desc {
  color: var(--kp-text-2);
  font-size: 13.5px;
  max-width: 56ch;
  margin: 8px 0 0;
  line-height: 1.6;
}

.kp-grid-2 {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 0;
  border: var(--kp-rule);
}
.kp-grid-2.kp-grid-even { grid-template-columns: 1fr 1fr; }
.kp-grid-2 > * + * { border-left: var(--kp-rule); }

.kp-card {
  padding: 28px 28px 32px;
  background: var(--kp-surface);
  position: relative;
}
.kp-card-eyebrow {
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  margin-bottom: 4px;
}
.kp-card-title {
  font-family: var(--kp-font-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--kp-text);
  margin: 0 0 18px;
}
.kp-card-title em { font-style: italic; color: var(--kp-text-2); }

/* ---------- Charts ------------------------------------------ */
.kp-chart { width: 100%; display: block; }

.kp-axis text { font-family: var(--kp-font-mono); font-size: 9.5px; fill: var(--kp-text-3); letter-spacing: 0.06em; }
.kp-axis line, .kp-axis path { stroke: var(--kp-line); }
.kp-grid line { stroke: var(--kp-line); stroke-dasharray: 1 3; }

.kp-legend {
  display: flex;
  gap: 24px;
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  margin-top: 14px;
  flex-wrap: wrap;
}
.kp-legend span { display: flex; align-items: center; gap: 8px; }
.kp-legend .kp-sw { width: 10px; height: 10px; border-radius: 50%; }
.kp-sw-me { background: var(--kp-accent); box-shadow: 0 0 8px rgba(255,77,61,.4); }
.kp-sw-field { background: var(--kp-text-2); }
.kp-sw-top { background: var(--kp-pos); }
.kp-sw-band { background: rgba(110,168,255,0.25); border: 1px solid var(--kp-blue); }
.kp-sw-peerband { background: rgba(90,95,108,0.45); border: 1px solid rgba(150,154,166,0.35); }
.kp-sw-elite { background: var(--kp-pos); }
.kp-sw-rising { background: var(--kp-amber); }
.kp-sw-fast { background: var(--kp-blue); }
.kp-sw-slow { background: var(--kp-text-3); }
.kp-sw-square { border-radius: 0; }

/* ---------- Stat list --------------------------------------- */
.kp-stat-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.kp-stat-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: var(--kp-rule);
}
.kp-stat-row:last-child { border-bottom: 0; }
.kp-stat-label {
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  flex: 0 0 auto;
}
.kp-stat-bar {
  flex: 1;
  height: 4px;
  background: var(--kp-line);
  position: relative;
  overflow: hidden;
  margin: 0 14px;
}
.kp-stat-bar > i {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--kp-accent), var(--kp-accent-2));
}
.kp-stat-bar.kp-bar-pos > i { background: linear-gradient(90deg, var(--kp-pos), #a8eccb); }
.kp-stat-bar.kp-bar-blue > i { background: linear-gradient(90deg, var(--kp-blue), #b8d4ff); }
.kp-stat-value {
  font-family: var(--kp-font-mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  color: var(--kp-text);
  font-weight: 500;
  flex: 0 0 auto;
}
.kp-stat-value .kp-mu { color: var(--kp-text-3); font-size: 10.5px; margin-left: 4px; }

/* ---------- Progression chart helpers ----------------------- */
.kp-prog-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 8px;
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  flex-wrap: wrap;
}
.kp-prog-meta strong { color: var(--kp-text); font-weight: 500; }

/* ---------- CDF section ------------------------------------- */
.kp-cdf-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border: var(--kp-rule);
}
.kp-cdf-grid > * + * { border-left: var(--kp-rule); }
.kp-cdf-kpi { padding: 24px 28px; }
.kp-cdf-eyebrow {
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kp-text-3);
}
.kp-cdf-eyebrow span { color: var(--kp-accent); }
.kp-cdf-value {
  font-family: var(--kp-font-display);
  font-weight: 300;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 18px 0 8px;
  color: var(--kp-text);
  font-feature-settings: "tnum";
}
.kp-cdf-value em { color: var(--kp-text-3); font-style: italic; font-size: 20px; }
.kp-cdf-note {
  font-size: 12.5px;
  color: var(--kp-text-2);
  line-height: 1.55;
  max-width: 32ch;
}

/* ---------- Tables ------------------------------------------ */
.kp-table-wrap {
  border: var(--kp-rule);
  background: var(--kp-surface);
  overflow-x: auto;
}
.kp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.kp-table thead th {
  text-align: left;
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  font-weight: 500;
  padding: 16px 18px;
  border-bottom: var(--kp-rule);
  background: var(--kp-bg);
  white-space: nowrap;
}
.kp-table tbody td {
  padding: 18px;
  border-bottom: var(--kp-rule);
  color: var(--kp-text-2);
  vertical-align: middle;
  white-space: nowrap;
}
.kp-table tbody tr:last-child td { border-bottom: 0; }
.kp-table tbody tr:hover td { background: rgba(255,255,255,0.015); color: var(--kp-text); }
.kp-table .kp-mono {
  font-family: var(--kp-font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--kp-text);
  font-size: 12.5px;
}
.kp-table .kp-date {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kp-table .kp-date b {
  font-family: var(--kp-font-display);
  font-weight: 400;
  font-size: 16px;
  color: var(--kp-text);
  font-feature-settings: "tnum";
  letter-spacing: -0.01em;
}
.kp-table .kp-date span {
  font-family: var(--kp-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kp-text-3);
}
.kp-mode {
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: var(--kp-rule);
  color: var(--kp-text-2);
}
.kp-mode.kp-mode-race { color: var(--kp-accent); border-color: rgba(255,77,61,0.4); }
.kp-mode.kp-mode-quali { color: var(--kp-blue); border-color: rgba(110,168,255,0.4); }
.kp-mode.kp-mode-rent { color: var(--kp-text-3); }
.kp-mode.kp-mode-elite { color: var(--kp-pos); border-color: rgba(74,210,149,0.4); }
.kp-mode.kp-mode-rising { color: var(--kp-amber); border-color: rgba(240,182,90,0.4); }
.kp-mode.kp-mode-fast { color: var(--kp-blue); border-color: rgba(110,168,255,0.4); }
.kp-mode.kp-mode-mid { color: var(--kp-text-2); }
.kp-mode.kp-mode-slow { color: var(--kp-text-3); }
.kp-delta-pos { color: var(--kp-pos); }
.kp-delta-neg { color: var(--kp-accent); }
.kp-spark { display: inline-block; vertical-align: middle; }

/* Driver name with avatar */
.kp-driver {
  display: flex;
  align-items: center;
  gap: 12px;
}
.kp-driver-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2a2f3a, #14171f);
  border: 1px solid var(--kp-line-2);
  display: grid;
  place-items: center;
  font-family: var(--kp-font-mono);
  font-size: 10px;
  color: var(--kp-text);
  font-weight: 600;
  flex: 0 0 auto;
}
.kp-driver-avatar.kp-av-me { border-color: var(--kp-accent); color: var(--kp-accent); }
.kp-driver-name {
  font-family: var(--kp-font-mono);
  font-weight: 500;
  font-size: 13px;
  color: var(--kp-text);
  letter-spacing: 0;
}
.kp-driver-name em { font-style: italic; color: var(--kp-text-2); }

/* ---------- Horizontal bar list (kart equalization) --------- */
.kp-bar-list {
  display: flex;
  flex-direction: column;
}
.kp-bar-row {
  display: grid;
  grid-template-columns: 60px 1fr 110px;
  align-items: center;
  gap: 16px;
  padding: 13px 0;
  border-bottom: var(--kp-rule);
}
.kp-bar-row:last-child { border-bottom: 0; }
.kp-bar-row:hover .kp-bar-name { color: var(--kp-text); }
.kp-bar-name {
  font-family: var(--kp-font-mono);
  font-size: 11.5px;
  color: var(--kp-text-2);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}
.kp-bar-track {
  position: relative;
  height: 26px;
  background: linear-gradient(90deg, transparent 49.7%, var(--kp-line-2) 49.7%, var(--kp-line-2) 50.3%, transparent 50.3%);
}
.kp-bar-bar {
  position: absolute;
  top: 50%;
  height: 12px;
  transform: translateY(-50%);
  background: var(--kp-text-3);
}
.kp-bar-bar.kp-bar-fast { background: var(--kp-pos); }
.kp-bar-bar.kp-bar-slow { background: var(--kp-accent); }
.kp-bar-ci {
  position: absolute;
  top: 50%;
  height: 1px;
  background: rgba(255,255,255,0.35);
  transform: translateY(-50%);
  pointer-events: none;
}
.kp-bar-ci::before, .kp-bar-ci::after {
  content: "";
  position: absolute;
  top: -3px;
  width: 1px;
  height: 7px;
  background: rgba(255,255,255,0.35);
}
.kp-bar-ci::before { left: 0; }
.kp-bar-ci::after { right: 0; }
.kp-bar-meta {
  font-family: var(--kp-font-mono);
  font-size: 11px;
  color: var(--kp-text-2);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.kp-bar-meta strong { color: var(--kp-text); font-weight: 500; }
.kp-bar-meta span { color: var(--kp-text-3); display: block; font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; margin-top: 2px; }

/* ---------- Tier cards ------------------------------------- */
.kp-tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.kp-tier {
  padding: 22px 24px;
  border-right: var(--kp-rule);
  border-bottom: var(--kp-rule);
}
.kp-tier:last-child { border-right: 0; }
.kp-tier-label {
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  display: flex;
  align-items: center;
  gap: 8px;
}
.kp-tier-label .kp-sw { width: 8px; height: 8px; border-radius: 50%; }
.kp-tier-count {
  font-family: var(--kp-font-display);
  font-weight: 300;
  font-size: 38px;
  line-height: 1;
  margin: 12px 0 6px;
  letter-spacing: -0.02em;
  color: var(--kp-text);
  font-feature-settings: "tnum";
}
.kp-tier-count .kp-tier-of { font-size: 14px; color: var(--kp-text-3); font-style: italic; margin-left: 4px; }
.kp-tier-note {
  font-family: var(--kp-font-mono);
  font-size: 10px;
  color: var(--kp-text-3);
  letter-spacing: 0.06em;
}

/* ---------- Class chip selector ------------------------------ */
.kp-chips {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: var(--kp-rule);
  background: var(--kp-surface);
  width: fit-content;
  max-width: 100%;
  flex-wrap: wrap;
}
.kp-chip {
  background: transparent;
  border: 0;
  border-right: var(--kp-rule);
  padding: 12px 18px;
  font-family: var(--kp-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  cursor: pointer;
  transition: color .15s, background .15s;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.kp-chip:last-child { border-right: 0; }
.kp-chip:hover { color: var(--kp-text-2); }
.kp-chip.kp-on {
  color: var(--kp-text);
  background: rgba(255,77,61,0.08);
  box-shadow: inset 0 -2px 0 var(--kp-accent);
}
.kp-chip-count {
  font-family: var(--kp-font-display);
  font-size: 14px;
  font-weight: 400;
  color: var(--kp-text);
  letter-spacing: -0.01em;
  font-feature-settings: "tnum";
}
.kp-chip.kp-on .kp-chip-count { color: var(--kp-accent); }
.kp-chip-licence {
  font-size: 8.5px;
  color: var(--kp-text-3);
  letter-spacing: 0.16em;
}

/* ---------- Class scope banner ------------------------------- */
.kp-scope {
  padding: 14px 36px;
  border-bottom: var(--kp-rule);
  background: rgba(255,77,61,0.03);
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--kp-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  flex-wrap: wrap;
}
.kp-scope strong {
  color: var(--kp-text);
  font-weight: 500;
}
.kp-scope-divider {
  color: var(--kp-line-2);
}

/* ---------- Class card -------------------------------------- */
.kp-class-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: var(--kp-rule);
}
.kp-class-card {
  padding: 28px 30px 32px;
  border-right: var(--kp-rule);
  border-bottom: var(--kp-rule);
  background: var(--kp-surface);
  position: relative;
}
.kp-class-card:nth-child(2n) { border-right: 0; }
.kp-class-card:nth-last-child(-n+2) { border-bottom: 0; }
.kp-class-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 18px;
}
.kp-class-name {
  font-family: var(--kp-font-display);
  font-weight: 400;
  font-size: 28px;
  letter-spacing: -0.018em;
  color: var(--kp-text);
  margin: 0;
}
.kp-class-name em { font-style: italic; color: var(--kp-text-2); }
.kp-class-id {
  font-family: var(--kp-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kp-text-3);
}
.kp-class-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.kp-class-meta-tag {
  font-family: var(--kp-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kp-text-2);
  padding: 3px 8px;
  border: var(--kp-rule);
}
.kp-class-meta-tag.kp-tag-licence { color: var(--kp-amber); border-color: rgba(240,182,90,0.4); }
.kp-class-meta-tag.kp-tag-junior { color: var(--kp-blue); border-color: rgba(110,168,255,0.4); }
.kp-class-meta-tag.kp-tag-pro { color: var(--kp-pos); border-color: rgba(74,210,149,0.4); }
.kp-class-meta-tag.kp-tag-twoseat { color: var(--kp-violet); border-color: rgba(176,131,240,0.4); }
.kp-class-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  border-top: var(--kp-rule);
  padding-top: 20px;
}
.kp-class-stat-label {
  font-family: var(--kp-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kp-text-3);
}
.kp-class-stat-value {
  font-family: var(--kp-font-display);
  font-weight: 300;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--kp-text);
  margin-top: 8px;
  font-feature-settings: "tnum";
}
.kp-class-stat-value .kp-mu {
  font-size: 13px;
  color: var(--kp-text-3);
  font-style: italic;
  margin-left: 2px;
}

/* ---------- Class spread (ranges chart) --------------------- */
.kp-range-list {
  display: flex;
  flex-direction: column;
}
.kp-range-row {
  display: grid;
  grid-template-columns: 160px 1fr 100px;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
  border-bottom: var(--kp-rule);
}
.kp-range-row:last-child { border-bottom: 0; }
.kp-range-name {
  font-family: var(--kp-font-display);
  font-weight: 400;
  font-size: 17px;
  color: var(--kp-text);
  letter-spacing: -0.01em;
}
.kp-range-name em { font-style: italic; color: var(--kp-text-2); }
.kp-range-track {
  position: relative;
  height: 24px;
}
.kp-range-track::before {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  border-top: 1px dashed var(--kp-line);
}
.kp-range-bar {
  position: absolute;
  top: 50%;
  height: 8px;
  transform: translateY(-50%);
  background: var(--kp-text-3);
  border-radius: 1px;
}
.kp-range-bar.kp-r-pro    { background: linear-gradient(90deg, var(--kp-pos), #a8eccb); }
.kp-range-bar.kp-r-std    { background: linear-gradient(90deg, var(--kp-accent), var(--kp-accent-2)); }
.kp-range-bar.kp-r-junior { background: linear-gradient(90deg, var(--kp-blue), #b8d4ff); }
.kp-range-bar.kp-r-twoseat{ background: linear-gradient(90deg, var(--kp-violet), #d8c0ff); }
.kp-range-cap {
  position: absolute;
  top: 50%;
  width: 1px;
  height: 16px;
  background: var(--kp-text);
  transform: translateY(-50%);
}
.kp-range-meta {
  font-family: var(--kp-font-mono);
  font-size: 11px;
  color: var(--kp-text-2);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.kp-range-meta strong { color: var(--kp-text); font-weight: 500; }

/* ---------- Progression timeline (Gantt-like) --------------- */
.kp-timeline {
  display: flex;
  flex-direction: column;
}
.kp-timeline-row {
  display: grid;
  grid-template-columns: 180px 1fr 110px;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
  border-bottom: var(--kp-rule);
}
.kp-timeline-row:last-child { border-bottom: 0; }
.kp-timeline-name {
  font-family: var(--kp-font-display);
  font-weight: 400;
  font-size: 17px;
  color: var(--kp-text);
  letter-spacing: -0.01em;
}
.kp-timeline-name em { font-style: italic; color: var(--kp-text-2); }
.kp-timeline-track {
  position: relative;
  height: 28px;
  border-bottom: 1px solid var(--kp-line);
}
.kp-timeline-bar {
  position: absolute;
  top: 50%;
  height: 12px;
  transform: translateY(-50%);
  background: var(--kp-text-3);
  border-radius: 1px;
}
.kp-timeline-bar.kp-tl-std { background: linear-gradient(90deg, rgba(255,77,61,0.55), var(--kp-accent)); }
.kp-timeline-bar.kp-tl-pro { background: linear-gradient(90deg, rgba(74,210,149,0.55), var(--kp-pos)); }
.kp-timeline-bar.kp-tl-junior { background: linear-gradient(90deg, rgba(110,168,255,0.55), var(--kp-blue)); }
.kp-timeline-bar.kp-tl-twoseat { background: linear-gradient(90deg, rgba(176,131,240,0.55), var(--kp-violet)); }
.kp-timeline-marker {
  position: absolute;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kp-text);
  transform: translate(-50%, -50%);
  z-index: 2;
  border: 2px solid var(--kp-bg);
}
.kp-timeline-meta {
  font-family: var(--kp-font-mono);
  font-size: 11px;
  color: var(--kp-text-2);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.kp-timeline-meta span {
  display: block;
  font-size: 9px;
  color: var(--kp-text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 2px;
}
.kp-timeline-axis {
  display: grid;
  grid-template-columns: 180px 1fr 110px;
  gap: 18px;
  padding: 8px 0 0;
  font-family: var(--kp-font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kp-text-3);
}
.kp-timeline-axis-track {
  display: flex;
  justify-content: space-between;
}

/* ---------- Class licence badges (driver hero) -------------- */
.kp-licences {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.kp-licence {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 10px;
  border: var(--kp-rule);
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kp-text-2);
}
.kp-licence-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kp-text-3);
}
.kp-licence.kp-l-on { color: var(--kp-text); }
.kp-licence.kp-l-on.kp-l-std    .kp-licence-dot { background: var(--kp-accent); box-shadow: 0 0 6px rgba(255,77,61,.6); }
.kp-licence.kp-l-on.kp-l-pro    .kp-licence-dot { background: var(--kp-pos);    box-shadow: 0 0 6px rgba(74,210,149,.6); }
.kp-licence.kp-l-on.kp-l-junior .kp-licence-dot { background: var(--kp-blue);   box-shadow: 0 0 6px rgba(110,168,255,.6); }
.kp-licence.kp-l-on.kp-l-twoseat .kp-licence-dot { background: var(--kp-violet); box-shadow: 0 0 6px rgba(176,131,240,.6); }
.kp-licence.kp-l-off { color: var(--kp-text-3); }

/* ---------- Mobile / tablet ----------------------------------- */
.kp-burger { display: none; }

@keyframes kp-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.kp-anim { animation: kp-rise .9s cubic-bezier(.2,.7,.2,1) both; }
.kp-anim-1 { animation-delay: .05s; }
.kp-anim-2 { animation-delay: .15s; }
.kp-anim-3 { animation-delay: .25s; }
.kp-anim-4 { animation-delay: .35s; }
.kp-anim-5 { animation-delay: .45s; }

/* ---------- Footer ------------------------------------------ */
.kp-footer {
  padding: 32px 36px 56px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--kp-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kp-text-3);
}
.kp-footer strong { color: var(--kp-text-2); font-weight: 500; }

/* ---------- Responsive: tablet ------------------------------ */
@media (max-width: 1100px) {
  .kp-shell { grid-template-columns: 64px 1fr; }
  .kp-side { padding: 24px 12px; align-items: center; }
  .kp-brand-text, .kp-brand-sub, .kp-nav a span:not(.kp-nav-pill), .kp-nav-section, .kp-side-foot { display: none; }
  .kp-nav a { justify-content: center; padding: 10px; border-left: 0; border-bottom: 2px solid transparent; }
  .kp-nav a.kp-active { border-left: 0; border-bottom-color: var(--kp-accent); background: none; }
  .kp-hero[data-numeral]::before { font-size: 140px; }
  .kp-kpi-row { grid-template-columns: repeat(2, 1fr); }
  .kp-kpi:nth-child(2) { border-right: 0; }
  .kp-kpi:nth-child(1), .kp-kpi:nth-child(2) { border-bottom: var(--kp-rule); }
  .kp-grid-2 { grid-template-columns: 1fr; }
  .kp-grid-2 > * + * { border-left: 0; border-top: var(--kp-rule); }
  .kp-cdf-grid { grid-template-columns: 1fr; }
  .kp-cdf-grid > * + * { border-left: 0; border-top: var(--kp-rule); }
  .kp-tier-grid { grid-template-columns: 1fr; }
  .kp-tier { border-right: 0; }
  .kp-class-grid { grid-template-columns: 1fr; }
  .kp-class-card { border-right: 0; }
  .kp-class-card:nth-last-child(-n+2) { border-bottom: var(--kp-rule); }
  .kp-class-card:last-child { border-bottom: 0; }
  .kp-scope { padding: 12px 18px; }
}

@media (max-width: 720px) {
  .kp-shell { grid-template-columns: 1fr; }
  .kp-side {
    position: static;
    height: auto;
    flex-direction: row;
    border-right: 0;
    border-bottom: var(--kp-rule);
    padding: 14px 18px;
    gap: 16px;
    overflow-x: auto;
  }
  .kp-brand-text, .kp-brand-sub { display: inline; }
  .kp-brand-sub { display: block; }
  .kp-nav { flex-direction: row; flex: 1; gap: 4px; }
  .kp-nav a { padding: 6px 10px; font-size: 12px; }
  .kp-nav a span:not(.kp-nav-pill) { display: inline; }
  .kp-nav-pill { display: none; }
  .kp-side-foot { display: none; }
  .kp-topbar { padding: 14px 18px; gap: 10px; flex-wrap: wrap; }
  .kp-crumbs { font-size: 9.5px; }
  .kp-toggle { order: 3; }
  .kp-user-name { display: none; }
  .kp-hero { padding: 40px 18px 24px; }
  .kp-hero[data-numeral]::before { font-size: 100px; right: 12px; top: 12px; }
  .kp-section { padding: 36px 18px; }
  .kp-kpi-row { grid-template-columns: 1fr; }
  .kp-kpi { border-right: 0 !important; border-bottom: var(--kp-rule); }
  .kp-kpi:last-child { border-bottom: 0; }
  .kp-kpi-value { font-size: 44px; }
  .kp-title { font-size: 44px; }
  .kp-h2 { font-size: 24px; }
  .kp-card { padding: 22px 18px; }
  .kp-bar-row { grid-template-columns: 50px 1fr 80px; gap: 10px; }
  .kp-range-row { grid-template-columns: 110px 1fr 80px; gap: 10px; }
  .kp-range-name { font-size: 14px; }
  .kp-timeline-row { grid-template-columns: 120px 1fr 80px; gap: 10px; }
  .kp-timeline-name { font-size: 14px; }
  .kp-timeline-axis { grid-template-columns: 120px 1fr 80px; gap: 10px; }
  .kp-class-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .kp-chip { padding: 10px 14px; }
  .kp-table thead { display: none; }
  .kp-table, .kp-table tbody, .kp-table tr, .kp-table td { display: block; width: 100%; }
  .kp-table tr {
    padding: 16px 18px;
    border-bottom: var(--kp-rule);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
  }
  .kp-table td { padding: 0; border: 0; white-space: normal; }
  .kp-table td:first-child { grid-column: 1 / -1; }
  .kp-footer { padding: 24px 18px 36px; }
}