/* Oil consumption calculator — pistonsoak.eu */
.oil-calc {
  --oc-red: #c8102e;
  --oc-red-dark: #a50c24;
  --oc-gold: #c8972c;
  --oc-bg: #0b0b0d;
  --oc-card: #131720;
  --oc-border: rgba(255, 255, 255, 0.08);
  --oc-muted: #94a3b8;
  --oc-text: #f1f5f9;
  margin: 2rem -0.25rem 2.5rem;
  padding: 1.35rem 1rem 1.5rem;
  color: var(--oc-text);
  background: linear-gradient(160deg, #0b0b0d 0%, #141820 55%, #10131a 100%);
  border: 1px solid rgba(200, 151, 44, 0.22);
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
}
.oil-calc__inner {
  max-width: 960px;
  margin: 0 auto;
}
.oil-calc__head {
  text-align: center;
  margin-bottom: 1.25rem;
}
.oil-calc__badge {
  display: inline-block;
  background: var(--oc-gold);
  color: #0f0f0f;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}
.oil-calc__head h2 {
  color: #fff !important;
  font-size: clamp(1.25rem, 3vw, 1.55rem) !important;
  font-weight: 900 !important;
  letter-spacing: -0.4px;
  margin: 0 0 0.55rem !important;
  line-height: 1.25;
}
.oil-calc__head p {
  color: var(--oc-muted) !important;
  font-size: 0.92rem;
  max-width: 560px;
  margin: 0 auto !important;
}

.oil-calc__progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin: 0 auto 1.15rem;
  max-width: 520px;
  flex-wrap: wrap;
}
.oil-calc__pi {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  min-width: 56px;
}
.oil-calc__pi-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  background: #1a1f2a;
  border: 2px solid #334155;
  color: var(--oc-muted);
}
.oil-calc__pi.active .oil-calc__pi-dot {
  background: var(--oc-red);
  border-color: var(--oc-red);
  color: #fff;
}
.oil-calc__pi.done .oil-calc__pi-dot {
  background: #166534;
  border-color: #22c55e;
  color: #fff;
}
.oil-calc__pi-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--oc-muted);
}
.oil-calc__pi.active .oil-calc__pi-label { color: #fff; }
.oil-calc__pi-line {
  width: 28px;
  height: 2px;
  background: #334155;
  margin-bottom: 1.1rem;
  flex-shrink: 0;
}
.oil-calc__pi-line.done { background: #22c55e; }

.oil-calc__card {
  background: var(--oc-card);
  border: 1px solid var(--oc-border);
  border-radius: 16px;
  padding: 1.15rem 1.15rem 1.35rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.oil-calc__search-wrap {
  position: relative;
  margin-bottom: 1rem;
}
.oil-calc__search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--oc-muted);
  pointer-events: none;
}
.oil-calc__search-wrap input {
  width: 100%;
  box-sizing: border-box;
  background: #0b0b0d;
  border: 1.5px solid #2a3140;
  border-radius: 12px;
  color: #fff;
  font-size: 0.9rem;
  padding: 0.8rem 1rem 0.8rem 2.6rem;
  outline: none;
}
.oil-calc__search-wrap input:focus {
  border-color: rgba(200, 16, 46, 0.65);
  box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.15);
}
.oil-calc__search-wrap input::placeholder { color: #64748b; }

.oil-calc__brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 0.65rem;
}
.oil-calc__brand-card {
  border-radius: 12px;
  padding: 0.75rem 0.45rem 0.55rem;
  min-height: 86px;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  border: 1.5px solid rgba(255, 255, 255, 0.06);
  background: #0f1218;
  color: inherit;
  font: inherit;
}
.oil-calc__brand-card:hover {
  transform: translateY(-2px);
  border-color: rgba(200, 151, 44, 0.45);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}
.oil-calc__brand-logo {
  width: 52px;
  height: 38px;
  object-fit: contain;
  filter: brightness(1.05);
}
.oil-calc__brand-fallback {
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--oc-gold);
}
.oil-calc__brand-name {
  font-size: 0.62rem;
  font-weight: 600;
  color: #cbd5e1;
  text-align: center;
  max-width: 90px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.oil-calc__panel-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}
.oil-calc__back {
  background: transparent;
  border: 1px solid #334155;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}
.oil-calc__back:hover { border-color: var(--oc-gold); color: #fff; }
.oil-calc__breadcrumb {
  font-size: 0.78rem;
  color: var(--oc-gold);
  font-weight: 700;
}
.oil-calc__step-label {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
}

.oil-calc__chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.oil-calc__chip {
  background: #0b0b0d;
  border: 1.5px solid #2a3140;
  color: #e2e8f0;
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  font: inherit;
}
.oil-calc__chip:hover {
  border-color: var(--oc-red);
  color: #fff;
}

.oil-calc__eng-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.55rem;
}
.oil-calc__eng {
  background: #0b0b0d;
  border: 1.5px solid #2a3140;
  border-radius: 12px;
  padding: 0.85rem 0.7rem;
  cursor: pointer;
  text-align: center;
  color: inherit;
  font: inherit;
  transition: border-color 0.15s, transform 0.15s;
}
.oil-calc__eng:hover {
  border-color: var(--oc-red);
  transform: translateY(-1px);
}
.oil-calc__eng-l {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
}
.oil-calc__eng-s {
  display: block;
  font-size: 0.68rem;
  color: var(--oc-muted);
  margin-top: 0.2rem;
}

.oil-calc__search-models {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.oil-calc__search-models-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--oc-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 0.55rem;
}
.oil-calc__empty {
  color: var(--oc-muted);
  font-size: 0.88rem;
  padding: 1rem 0;
  text-align: center;
}

.oil-calc__result-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.oil-calc__vehicle {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
}
.oil-calc__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.45rem;
}
.oil-calc__tag {
  background: rgba(200, 151, 44, 0.15);
  color: var(--oc-gold);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.oil-calc__result-logo {
  width: 56px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
  filter: brightness(1.08);
}

.oil-calc__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.oil-calc__metric {
  background: #0b0b0d;
  border: 1px solid #2a3140;
  border-radius: 12px;
  padding: 0.95rem 1rem;
}
.oil-calc__metric--oem {
  border-color: rgba(200, 16, 46, 0.35);
  background: linear-gradient(160deg, #1a0c10, #0b0b0d);
}
.oil-calc__metric-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--oc-muted);
  margin-bottom: 0.35rem;
}
.oil-calc__metric-value {
  font-size: 1.35rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.3px;
}
.oil-calc__metric-value span {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--oc-muted);
}
.oil-calc__metric-note {
  font-size: 0.72rem;
  color: #64748b;
  margin-top: 0.35rem;
}
.oil-calc__disclaimer {
  font-size: 0.78rem;
  color: var(--oc-muted);
  line-height: 1.45;
  margin: 0 0 1rem;
}
.oil-calc__cta {
  background: rgba(200, 16, 46, 0.08);
  border: 1px solid rgba(200, 16, 46, 0.25);
  border-radius: 12px;
  padding: 0.95rem 1rem;
}
.oil-calc__cta p {
  color: #cbd5e1 !important;
  font-size: 0.85rem !important;
  margin: 0 0 0.75rem !important;
}
.oil-calc__btn {
  display: inline-block;
  background: var(--oc-red);
  color: #fff !important;
  text-decoration: none !important;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.65rem 1.15rem;
  border-radius: 10px;
}
.oil-calc__btn:hover { background: var(--oc-red-dark); }
.oil-calc__btn.outline {
  background: transparent;
  border: 1.5px solid var(--oc-gold);
  color: var(--oc-gold) !important;
  margin-left: 0.4rem;
}

@media (max-width: 640px) {
  .oil-calc__metrics { grid-template-columns: 1fr; }
  .oil-calc__brand-grid { grid-template-columns: repeat(auto-fill, minmax(85px, 1fr)); }
  .oil-calc__btn.outline { margin-left: 0; margin-top: 0.45rem; display: inline-block; }
}