/* Tire & Speedometer Calculator — tool-specific styles */
.tsc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 22px; }
.tsc-h { font-size: .92rem; font-weight: 700; color: var(--muted); margin: 0 0 12px; text-transform: uppercase; letter-spacing: .04em; }
.tsc-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }

.tsc-speed-row { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; padding-top: 18px;
  border-top: 1px solid var(--line); margin-bottom: 22px; }
.tsc-speed-row .field { max-width: 160px; }
.tsc-units { display: flex; gap: 8px; }
.tsc-unit { font-family: inherit; font-weight: 600; font-size: .85rem; cursor: pointer;
  background: var(--bg-soft); border: 1px solid var(--line); color: var(--muted); padding: 10px 16px; border-radius: 999px; transition: all .15s; }
.tsc-unit:hover { color: var(--text); border-color: var(--accent); }
.tsc-unit.active { background: var(--accent-grad); color: #0b0e1c; border-color: transparent; }

.tsc-diagram { display: flex; align-items: center; justify-content: center; gap: 22px; margin-bottom: 22px; }
.tsc-tire { width: 120px; height: 120px; border-radius: 50%; border: 10px solid var(--card-2); background: var(--bg-soft);
  display: flex; flex-direction: column; align-items: center; justify-content: center; flex-shrink: 0; }
.tsc-tire span { font-size: 1.15rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.tsc-tire small { color: var(--muted-2); font-size: .72rem; margin-top: 4px; }
#tscTireNew { border-color: rgba(108,139,255,.5); }
.tsc-vs { color: var(--muted-2); font-weight: 700; font-size: .9rem; }

.tsc-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tsc-stat { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px 12px; text-align: center; }
.tsc-stat span { display: block; font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.tsc-stat small { display: block; color: var(--muted-2); font-size: .76rem; margin-top: 4px; text-transform: uppercase; letter-spacing: .04em; }
.tsc-stat.hi { border-color: rgba(108,139,255,.5); background: rgba(108,139,255,.08); }
.tsc-stat.hi span { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.tsc-note { text-align: center; color: var(--muted-2); font-size: .85rem; margin: 18px 0 0; }

@media (max-width: 640px) {
  .tsc-grid { grid-template-columns: 1fr; }
  .tsc-stats { grid-template-columns: 1fr; }
  .tsc-diagram { gap: 14px; }
  .tsc-tire { width: 96px; height: 96px; }
}