/* ==========================================================================
   TURBOMEISTER — Kalkulator Kedalaman Sumur
   Calculator Widget Styles
   ========================================================================== */

.calc-section {
  background: linear-gradient(180deg, var(--black) 0%, #0d0500 50%, var(--black) 100%);
  position: relative;
}
.calc-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(204,0,0,0.05) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Input Panel ─────────────────────────────────────────────────────────── */
.calc-widget {
  background: var(--black-2);
  border: 1px solid var(--white-05);
  border-radius: var(--r-xl);
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.calc-input-panel {
  padding: var(--sp-lg) var(--sp-xl);
  border-bottom: 1px solid var(--white-05);
}

.calc-inputs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
  margin-bottom: var(--sp-lg);
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.calc-field label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}
.calc-field label span {
  color: var(--red);
}
.calc-field label em {
  color: var(--steel);
  font-style: normal;
  font-size: 0.6rem;
  letter-spacing: 0;
}

.calc-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.calc-input-wrap input {
  width: 100%;
  background: var(--black-3);
  border: 1px solid var(--white-10);
  border-radius: var(--r-md);
  padding: 12px 48px 12px 16px;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: textfield;
  -moz-appearance: textfield;
}
.calc-input-wrap input::-webkit-inner-spin-button,
.calc-input-wrap input::-webkit-outer-spin-button { -webkit-appearance: none; }
.calc-input-wrap input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(204,0,0,0.1);
}
.calc-input-wrap input.required-field.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(204,0,0,0.15);
  animation: shake 0.4s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.calc-unit {
  position: absolute;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel);
  pointer-events: none;
}

.calc-btn-row {
  display: flex;
  justify-content: center;
}
#calc-submit {
  min-width: 220px;
  justify-content: center;
  font-size: 0.8rem;
}

/* ── Results Panel ───────────────────────────────────────────────────────── */
.calc-results-panel {
  padding: var(--sp-lg) var(--sp-xl);
}

.calc-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-md);
}
.calc-results-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.calc-query-info {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--steel);
  letter-spacing: 0.08em;
}

.calc-results-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.calc-result-card {
  background: var(--black-3);
  border: 1px solid var(--white-05);
  border-radius: var(--r-lg);
  padding: var(--sp-md) var(--sp-lg);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--sp-md);
  transition: border-color 0.3s, box-shadow 0.3s;
  cursor: default;
}
.calc-result-card:hover {
  border-color: rgba(200,168,75,0.3);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.calc-result-card.top {
  border-color: var(--gold-dim);
  background: linear-gradient(135deg, rgba(200,168,75,0.05) 0%, var(--black-3) 100%);
}
.calc-result-card.top:hover {
  border-color: var(--gold);
  box-shadow: 0 8px 32px rgba(200,168,75,0.15);
}

.calc-rank {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 56px;
}
.calc-rank-icon {
  font-size: 1.4rem;
}
.calc-rank-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
  text-align: center;
}

.calc-result-info {
  flex: 1;
}
.calc-result-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 6px;
}
.calc-result-name .hp-text { color: var(--red); }
.calc-result-metrics {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
}
.calc-metric {
  display: flex;
  flex-direction: column;
}
.calc-metric-val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white);
}
.calc-metric-val.good   { color: #51cf66; }
.calc-metric-val.ok     { color: var(--gold); }
.calc-metric-val.tight  { color: #ff922b; }
.calc-metric-key {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

.calc-result-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.calc-result-price {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--gold);
  text-align: right;
}
.calc-result-price-note {
  font-size: 0.62rem;
  color: var(--steel);
  font-family: var(--font-mono);
}
.calc-action-buttons {
  display: flex;
  gap: 6px;
}

.calc-empty {
  text-align: center;
  padding: var(--sp-xl);
  color: var(--steel);
}
.calc-empty-icon {
  font-size: 2.5rem;
  margin-bottom: var(--sp-sm);
}
.calc-empty p {
  font-size: 0.92rem;
}

.calc-hint {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: var(--sp-md);
  padding: var(--sp-sm) var(--sp-md);
  background: rgba(200,168,75,0.06);
  border: 1px solid var(--gold-dim);
  border-radius: var(--r-md);
  font-size: 0.82rem;
  color: var(--steel-light);
}
.calc-hint svg { flex-shrink: 0; margin-top: 2px; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .calc-input-panel, .calc-results-panel { padding: var(--sp-md); }
  .calc-inputs-grid { grid-template-columns: 1fr; }
  .calc-result-card {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }
  .calc-result-actions {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--sp-sm);
    border-top: 1px solid var(--white-05);
  }
  .calc-result-metrics { gap: var(--sp-sm); }
}