/* ═══ Shared calculator UI for RCV/ACV Depreciation Calculator & Sales Tax De-Calculator ═══ */
/* Built on the existing bp-* design tokens (navy/teal, Sora + JetBrains Mono) — no new palette. */

.calc-shell [hidden] { display: none !important; }

.calc-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 40px;
  width: 100%;
  box-sizing: border-box;
}

.calc-panel {
  border: 1.5px solid rgba(68, 229, 194, .34);
  border-radius: 18px;
  background: var(--navy-mid, #131b2e);
  box-shadow: 0 0 32px rgba(68, 229, 194, .1), 0 20px 48px rgba(0, 0, 0, .35);
  padding: 28px;
}

.calc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.calc-fields {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.calc-field label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted, #bacac3);
}

.calc-field-hint {
  font-size: 12px;
  color: #7a8fa8;
  line-height: 1.5;
}

.calc-prefill-note {
  color: #44e5c2;
  font-weight: 600;
}

.calc-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.calc-input,
.calc-select {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  font-size: 17px !important;
  font-family: Sora, sans-serif;
  font-weight: 600;
  border-radius: 10px;
  border: 1.5px solid #cbd5e1;
  background: #ffffff;
  color: #16233a;
  transition: all .2s;
}

.calc-input::placeholder { color: #7c8ba1; font-weight: 500; opacity: 1; }

.calc-input-wrap .calc-input.has-prefix { padding-left: 30px; }
.calc-input-wrap .calc-input.has-suffix { padding-right: 40px; }

.calc-input-affix {
  position: absolute;
  font-size: 16px;
  font-weight: 600;
  color: #64748b;
  pointer-events: none;
}
.calc-affix-prefix { left: 14px; }
.calc-affix-suffix { right: 16px; }

.calc-input:focus,
.calc-select:focus {
  outline: 0;
  border-color: #44e5c2;
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(68, 229, 194, .28);
}

.calc-input:disabled,
.calc-select:disabled,
.calc-input[readonly] {
  background: #eef1f5;
  color: #7c8ba1;
  border-color: #dde3ea;
  cursor: not-allowed;
}

.calc-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23334155' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.calc-select option { background: #ffffff; color: #16233a; }

/* Optional / secondary control (manual adjustment) — visually quieter than the primary fields */
.calc-optional {
  border: 1px dashed rgba(255, 255, 255, .14);
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, .02);
}

.calc-optional-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  color: #9fb0c2;
  font-size: 13px;
  font-weight: 600;
}
.calc-optional-toggle::-webkit-details-marker { display: none; }
.calc-optional-toggle .calc-chevron { transition: transform .2s ease; color: #64748b; font-size: 18px !important; }
.calc-optional[open] .calc-chevron { transform: rotate(180deg); }

.calc-optional-body {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Results */
.calc-results {
  min-width: 0;
  border-radius: 16px;
  background: #0d1a2e;
  border: 1px solid #3c4a45;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.calc-results.is-empty .calc-result-body { opacity: .4; }

.calc-result-primary-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #7a8fa8;
}

.calc-result-primary-value {
  font-family: Sora, sans-serif;
  font-weight: 800;
  font-size: clamp(2.1rem, 5vw, 2.7rem);
  letter-spacing: -.02em;
  color: #44e5c2;
  line-height: 1.05;
  margin-top: 4px;
  word-break: break-word;
}

.calc-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid #3c4a45;
}

.calc-result-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.calc-result-item-label {
  font-size: 11px;
  color: #7a8fa8;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.calc-result-item-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--white, #dae2fd);
  word-break: break-word;
}

.calc-result-detail {
  font-size: 13px;
  line-height: 1.6;
  color: #bacac3;
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 10px;
  padding: 12px 14px;
}

.calc-error {
  font-size: 13px;
  line-height: 1.6;
  color: #ffc278;
  background: rgba(255, 194, 120, .08);
  border: 1px solid rgba(255, 194, 120, .25);
  border-radius: 10px;
  padding: 12px 14px;
}

.calc-empty-state {
  font-size: 13px;
  line-height: 1.6;
  color: #8ea0b8;
  background: rgba(255, 255, 255, .03);
  border: 1px dashed rgba(255, 255, 255, .14);
  border-radius: 10px;
  padding: 20px 16px;
  text-align: center;
}

.calc-result-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.calc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 10px;
  font-family: Sora, sans-serif;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all .2s;
  flex: 1;
  border: 1px solid;
}

.calc-btn-primary {
  background: #44e5c2;
  border-color: #44e5c2;
  color: #00382d;
}
.calc-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(68, 229, 194, .25); }

.calc-btn-outline {
  background: transparent;
  border-color: #3c4a45;
  color: #bacac3;
}
.calc-btn-outline:hover { border-color: #44e5c2; color: #44e5c2; }

.calc-btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.calc-source-box {
  border-radius: 10px;
  border: 1px solid rgba(68, 229, 194, .2);
  background: rgba(68, 229, 194, .05);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.calc-source-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
}

.calc-source-label {
  color: #7a8fa8;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .04em;
  flex-shrink: 0;
}

.calc-source-value {
  color: var(--white, #dae2fd);
  font-weight: 700;
  text-align: right;
}

.calc-source-link {
  align-self: flex-start;
  font-size: 12px;
  color: #44e5c2;
  text-decoration: none;
  margin-top: 2px;
}
.calc-source-link:hover,
.calc-source-link:focus-visible { text-decoration: underline; }
.calc-source-link:focus-visible { outline: 2px solid #44e5c2; outline-offset: 2px; border-radius: 2px; }

.calc-source-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-source-list li {
  font-size: 12px;
  line-height: 1.6;
  color: #9fb0c2;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .06);
}

.calc-source-list strong { color: #dae2fd; font-weight: 700; }
.calc-source-list a { color: #44e5c2; }

.calc-note-strip {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .08);
  background: rgba(255, 255, 255, .03);
  font-size: 13px;
  color: #9fb0c2;
  line-height: 1.6;
}

/* Wide desktop: inputs and results side-by-side, and put the extra room to use */
@media (min-width: 960px) {
  .calc-panel { padding: 36px; }
  .calc-layout { grid-template-columns: minmax(360px, 1.05fr) minmax(340px, .95fr); gap: 32px; }
  .calc-results { position: sticky; top: 92px; }
}

@media (max-width: 600px) {
  .calc-shell { padding: 0 14px 28px; }
  .calc-panel { padding: 18px; border-radius: 14px; }
  .calc-result-primary-value { font-size: 1.9rem; }
  .calc-result-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
}