/* tip-calculator.css v2-r4 */

.tip-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; margin-bottom: 0.9rem; }
@media (max-width:500px) { .tip-grid { grid-template-columns: 1fr; } }

.tip-buttons { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.2rem; }
.tip-pct-btn { font-size: 0.78rem; padding: 0.38rem 0.7rem; border: 1px solid var(--border); background: #f9fafb; color: var(--text-muted); cursor: pointer; }
.tip-pct-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.tip-results { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.65rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
@media (max-width:480px) { .tip-results { grid-template-columns: 1fr; } }

.tip-block { padding: 0.75rem 0.85rem; border: 1px solid var(--border); background: #fcfcfc; }
.tip-block.primary { border-color: rgba(37,99,235,0.3); background: var(--accent-soft); }
.tip-block-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-muted); margin-bottom: 0.3rem; }
.tip-block-value { font-size: 1.9rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1; margin-bottom: 0.2rem; }
.tip-block-note  { font-size: 0.72rem; color: var(--text-muted); }