/* ─── Score colour palette (works light + dark) ────────────────────────────── */
.gt-c9  { color: #16a34a; } .gt-bg9  { background: rgba(22,163,74,.08);  border-color: rgba(22,163,74,.25); }
.gt-c85 { color: #22c55e; } .gt-bg85 { background: rgba(34,197,94,.08);  border-color: rgba(34,197,94,.25); }
.gt-c8  { color: #65a30d; } .gt-bg8  { background: rgba(101,163,13,.08); border-color: rgba(101,163,13,.25); }
.gt-c75 { color: #ca8a04; } .gt-bg75 { background: rgba(202,138,4,.08);  border-color: rgba(202,138,4,.25); }
.gt-c7  { color: #d97706; } .gt-bg7  { background: rgba(217,119,6,.08);  border-color: rgba(217,119,6,.25); }
.gt-c65 { color: #ea580c; } .gt-bg65 { background: rgba(234,88,12,.08);  border-color: rgba(234,88,12,.25); }
.gt-c6  { color: #2563eb; } .gt-bg6  { background: rgba(37,99,235,.08);  border-color: rgba(37,99,235,.25); }
.gt-c55 { color: #3b82f6; } .gt-bg55 { background: rgba(59,130,246,.08); border-color: rgba(59,130,246,.25); }
.gt-c5  { color: #6366f1; } .gt-bg5  { background: rgba(99,102,241,.08); border-color: rgba(99,102,241,.25); }
.gt-c45 { color: #7c3aed; } .gt-bg45 { background: rgba(124,58,237,.08); border-color: rgba(124,58,237,.25); }
.gt-c4  { color: #8b5cf6; } .gt-bg4  { background: rgba(139,92,246,.08); border-color: rgba(139,92,246,.25); }
.gt-c35 { color: #a78bfa; } .gt-bg35 { background: rgba(167,139,250,.08);border-color: rgba(167,139,250,.25);}
.gt-c3  { color: #c084fc; } .gt-bg3  { background: rgba(192,132,252,.08);border-color: rgba(192,132,252,.25);}
.gt-c25 { color: #a1a1aa; } .gt-bg25 { background: rgba(161,161,170,.08);border-color: rgba(161,161,170,.25);}
.gt-c2  { color: #71717a; } .gt-bg2  { background: rgba(113,113,122,.08); border-color: rgba(113,113,122,.25);}
.gt-c15 { color: #52525b; } .gt-bg15 { background: rgba(82,82,91,.08);   border-color: rgba(82,82,91,.25);  }
.gt-c1  { color: #3f3f46; } .gt-bg1  { background: rgba(63,63,70,.08);   border-color: rgba(63,63,70,.25);  }

html[data-theme='dark'] .gt-c1  { color: #a1a1aa; }
html[data-theme='dark'] .gt-c15 { color: #a1a1aa; }
html[data-theme='dark'] .gt-c2  { color: #a1a1aa; }
html[data-theme='dark'] .gt-bg1  { background: rgba(161,161,170,.06); border-color: rgba(161,161,170,.18); }
html[data-theme='dark'] .gt-bg15 { background: rgba(161,161,170,.06); border-color: rgba(161,161,170,.18); }
html[data-theme='dark'] .gt-bg2  { background: rgba(161,161,170,.06); border-color: rgba(161,161,170,.18); }

/* ─── Header ───────────────────────────────────────────────────────────────── */
.gt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-primary);
  background: rgba(92,107,192,0.08);
  border: 1px solid rgba(92,107,192,0.2);
  border-radius: 20px;
  padding: 3px 12px;
  margin-bottom: 10px;
}
.gt-eyebrow-dot {
  width: 6px; height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: gt-pulse 2s ease-in-out infinite;
}
@keyframes gt-pulse { 0%,100%{opacity:1}50%{opacity:.35} }

.gt-page-sub {
  color: var(--color-text-medium);
  font-size: 14px;
  margin-bottom: 4px;
}
.gt-copyright-line {
  font-size: 11.5px;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* ─── Tabs ─────────────────────────────────────────────────────────────────── */
.gt-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.gt-tab {
  padding: 8px 18px;
  border-radius: var(--border-radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-medium);
  transition: background var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
  font-family: inherit;
}
.gt-tab:hover:not(.gt-tab--locked) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.gt-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.gt-tab--locked {
  opacity: .4;
  cursor: default;
  font-size: 12px;
}

/* ─── Panel card ───────────────────────────────────────────────────────────── */
.gt-panel {
  background: var(--color-card-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 24px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.gt-panel-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin: 0 0 2px;
}
.gt-panel-sub {
  font-size: 13px;
  color: var(--color-text-medium);
  margin: 0 0 20px;
}

/* ─── Watermark ─────────────────────────────────────────────────────────────── */
.gt-panel::before {
  content: 'PraneelPhysics.com  ©  PraneelPhysics.com  ©  PraneelPhysics.com  ©  PraneelPhysics.com  ©  PraneelPhysics.com  ©  PraneelPhysics.com  ©';
  position: absolute;
  top: 50%; left: -200%; right: -200%;
  width: 600%;
  transform: translateY(-50%) rotate(-25deg);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  white-space: nowrap;
  line-height: 68px;
  pointer-events: none;
  user-select: none;
  z-index: 0;
  color: rgba(0,0,0,0.028);
}
html[data-theme='dark'] .gt-panel::before {
  color: rgba(255,255,255,0.032);
}

/* ─── Boundary strip ────────────────────────────────────────────────────────── */
.gt-strip-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--color-text-light);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}
.gt-strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(17, 1fr);
  gap: 4px;
  margin-bottom: 28px;
  overflow-x: auto;
  padding-bottom: 2px;
  user-select: none;
  -webkit-user-select: none;
}
.gt-strip-cell {
  border: 1px solid;
  border-radius: 6px;
  padding: 7px 4px;
  text-align: center;
  min-width: 44px;
}
.gt-strip-score {
  display: block;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}
.gt-strip-label-bottom {
  display: block;
  font-size: 10px;
  color: var(--color-text-light);
  font-weight: 500;
}

/* ─── Full raw→score grid ────────────────────────────────────────────────────── */
.gt-grid-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--color-text-light);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}
.gt-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(62px, 1fr));
  gap: 6px;
  user-select: none;
  -webkit-user-select: none;
}
.gt-cell {
  border: 1px solid;
  border-radius: 6px;
  padding: 8px 4px 7px;
  text-align: center;
}
.gt-cell-raw {
  display: block;
  font-size: 10.5px;
  color: var(--color-text-light);
  margin-bottom: 2px;
  font-variant-numeric: tabular-nums;
}
.gt-cell-score {
  display: block;
  font-size: 16px;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

/* ─── Distribution chart ─────────────────────────────────────────────────────── */
.gt-chart-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--color-text-light);
  margin: 24px 0 10px;
  position: relative;
  z-index: 1;
}
.gt-chart-wrap {
  position: relative;
  z-index: 1;
  height: 220px;
}
.gt-chart-wip {
  position: relative;
  z-index: 1;
  font-size: 11.5px;
  font-style: italic;
  color: var(--color-text-light);
  margin: 10px 0 0;
}

/* ─── Footer notice ──────────────────────────────────────────────────────────── */
.gt-panel-footer {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  font-size: 11.5px;
  color: var(--color-text-light);
  text-align: center;
}

/* ─── Premium section ────────────────────────────────────────────────────────── */
.gt-premium {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-card-background);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius);
  padding: 18px 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.gt-premium-icon { font-size: 22px; flex-shrink: 0; }
.gt-premium-body { flex: 1; min-width: 0; }
.gt-premium-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 2px;
}
.gt-premium-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin: 0;
}
.gt-premium-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-light);
  background: var(--color-badge-background);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 2px 9px;
  white-space: nowrap;
}
.gt-premium-sub {
  font-size: 12.5px;
  color: var(--color-text-medium);
  margin: 0;
}
.gt-premium-btn {
  padding: 8px 20px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--border-radius);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  flex-shrink: 0;
  transition: background var(--transition-speed);
}
.gt-premium-btn:hover { background: var(--color-primary-hover); color: #fff; text-decoration: none; }

/* ─── Methodology note ───────────────────────────────────────────────────────── */
.gt-note {
  font-size: 12.5px;
  color: var(--color-text-medium);
  line-height: 1.65;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-card-background);
}
.gt-note strong { color: var(--color-text-dark); }