/* Car Filter Premium Flat UI */
.premium-filter-flat {
  width: 100%;
  max-width: 1200px;
  margin: 10px auto;
  background: #fff;
  padding: 15px;
  border-bottom: 1px solid #eee;
  box-sizing: border-box;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
}

.filter-grid-compact {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 8px;
}

.filter-label-tiny {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 4px;
  display: block;
}

.compact-input {
  width: 100% !important;
  height: 42px !important;
  background: #f4f6f8 !important;
  border: 1px solid #e1e4e8 !important;
  border-radius: 6px !important;
  padding: 0 10px !important;
  font-size: 15px !important;
  color: #333 !important;
  margin: 0 !important;
  box-shadow: none !important;
}

.compact-input:focus {
  background: #fff !important;
  border-color: #1a237e !important;
  outline: none !important;
}

.action-flex {
  display: flex;
  gap: 6px;
  margin-top: 5px;
}

.btn-submit-flat {
  flex: 1;
  height: 44px;
  background: #1a237e;
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-submit-flat:hover {
  background: #0d145a;
}

.btn-reset-flat {
  width: 44px;
  height: 44px;
  background: #f0f0f0;
  color: #333;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-reset-flat:hover {
  background: #e2e2e2;
}

/* Mobile First Responsive */
@media (max-width: 767px) {
  .premium-filter-flat {
    padding: 10px 8px;
  }
  .col-mobile-12 {
    grid-column: span 12;
  }
  .col-mobile-6 {
    grid-column: span 6;
  }
  .col-mobile-btn {
    grid-column: span 12;
  }
  .filter-grid-compact {
    gap: 6px;
  }
}

@media (min-width: 768px) {
  .col-desktop-3 {
    grid-column: span 3;
  }
  .col-desktop-2 {
    grid-column: span 2;
  }
  .col-desktop-btn {
    grid-column: span 2;
  }
  .action-flex {
    margin-top: 18px;
  }
}