/* =========================================================
   DOTS Calculator Suite — Calculator UI (forms, results, tables, plates, search)
   ========================================================= */

.calculator-app { display: block; padding: var(--space-6); text-align: left; }
.calc-form { display: grid; grid-template-columns: 1fr; gap: var(--space-4); margin-bottom: var(--space-6); }
.calc-field { display: flex; flex-direction: column; gap: 6px; }
.calc-field label, .calc-field-label-inline { font-weight: 700; font-size: 0.88rem; color: var(--c-text); }
.calc-input {
  padding: 0.7rem 0.9rem; border-radius: var(--radius-md); border: 1px solid var(--c-border);
  background: var(--c-bg); color: var(--c-text); font-size: 1rem; width: 100%;
}
.calc-input:focus { border-color: var(--c-primary-500); }
.calc-hint { font-size: 0.78rem; color: var(--c-text-muted); }

.calc-unit-toggle, .calc-mode-toggle { display: inline-flex; border: 1px solid var(--c-border); border-radius: var(--radius-md); overflow: hidden; width: fit-content; }
.calc-mode-toggle { margin-bottom: var(--space-4); }
.unit-btn { padding: 0.5rem 1rem; border: none; background: var(--c-bg-elevated); color: var(--c-text-muted); font-weight: 700; }
.unit-btn[aria-pressed="true"] { background: linear-gradient(135deg, var(--c-primary-500), var(--c-accent-500)); color: #fff; }
.calc-field-unit { flex-direction: row; align-items: center; gap: var(--space-3); }

.calc-results {
  padding: var(--space-6); text-align: center; display: flex; flex-direction: column; gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.calc-result-label { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-text-muted); }
.calc-result-value { font-size: clamp(2rem, 6vw, 3rem); background: linear-gradient(135deg, var(--c-primary-500), var(--c-accent-500)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.calc-result-sub { color: var(--c-text-muted); font-size: 0.9rem; margin: 0; }

.calc-table-wrap { overflow-x: auto; }
.calc-table-title { font-size: 1.1rem; margin-bottom: var(--space-3); }
.calc-table { width: 100%; border-collapse: collapse; }
.calc-table th, .calc-table td { padding: 0.6rem 0.8rem; text-align: left; border-bottom: 1px solid var(--c-border); }
.calc-table th { font-size: 0.8rem; text-transform: uppercase; color: var(--c-text-muted); }

.calc-plate-visual { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: flex-end; margin-top: var(--space-4); }
.plate-stack { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.plate-bar {
  width: 44px; display: flex; align-items: center; justify-content: center; border-radius: 6px;
  background: linear-gradient(135deg, var(--c-primary-500), var(--c-accent-500)); color: #fff; font-weight: 800; font-size: 0.75rem;
}
.plate-stack span { font-size: 0.8rem; color: var(--c-text-muted); }

/* Homepage calculator search */
.calculator-search-section { padding-top: 0; padding-bottom: var(--space-8); }
.calculator-search-box { position: relative; max-width: 640px; margin: 0 auto; padding: var(--space-2); }
.calculator-search-input {
  width: 100%; padding: 1rem 1.2rem; border-radius: var(--radius-md); border: none;
  background: var(--c-bg-elevated); color: var(--c-text); font-size: 1.05rem;
}
.calculator-search-results {
  position: absolute; top: calc(100% + 8px); left: var(--space-2); right: var(--space-2);
  background: var(--c-bg-elevated); border: 1px solid var(--c-border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); max-height: 320px; overflow-y: auto; z-index: 20;
}
.calculator-search-results li { border-bottom: 1px solid var(--c-border); }
.calculator-search-results li:last-child { border-bottom: none; }
.calculator-search-results a { display: block; padding: var(--space-3) var(--space-4); color: var(--c-text); font-weight: 600; }
.calculator-search-results a:hover { background: var(--c-bg); color: var(--c-primary-500); }
.search-no-results { padding: var(--space-3) var(--space-4); color: var(--c-text-muted); }

@media (min-width: 640px) {
  .calc-form { grid-template-columns: repeat(2, 1fr); }
  .calc-field-unit { grid-column: 1 / -1; }
}