.aero-calc-wrap {
  --ac-bg2: #e8eef5;
  --ac-panel: #ffffff;
  --ac-border: #c8d6e5;
  --ac-accent: #2563eb;
  --ac-accent2: #0891b2;
  --ac-green: #059669;
  --ac-orange: #d97706;
  --ac-red: #dc2626;
  --ac-text: #1e293b;
  --ac-muted: #64748b;
  --ac-mono: 'Consolas', 'JetBrains Mono', monospace;

  font-family: var(--ac-mono);
  font-size: 13px;
  color: var(--ac-text);
}
.aero-calc-wrap * { box-sizing: border-box; }

.aero-calc-wrap .ac-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
@media (max-width: 860px) {
  .aero-calc-wrap .ac-layout { grid-template-columns: 1fr; }
}

.aero-calc-wrap .ac-section {
  background: var(--ac-panel);
  border: 1px solid var(--ac-border);
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
}
.aero-calc-wrap .ac-section-header {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--ac-bg2);
  border-bottom: 1px solid var(--ac-border);
  font-weight: 700; font-size: 12px; letter-spacing: .04em;
}
.aero-calc-wrap .ac-section-num {
  width: 18px; height: 18px; border-radius: 4px;
  background: var(--ac-accent); color: #fff;
  font-size: 10px; display: flex; align-items: center; justify-content: center;
}
.aero-calc-wrap .ac-section-body { padding: 14px; }

.aero-calc-wrap fieldset {
  border: 1px solid var(--ac-border);
  border-radius: 6px;
  padding: 10px 12px 14px;
  margin: 0 0 14px;
}
.aero-calc-wrap legend { font-size: 11px; font-weight: 700; color: var(--ac-accent2); padding: 0 6px; }

.aero-calc-wrap .ac-input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px 12px;
}
.aero-calc-wrap .ac-field { display: flex; flex-direction: column; gap: 4px; }
.aero-calc-wrap .ac-field label { font-size: 10.5px; color: var(--ac-muted); letter-spacing: .02em; }
.aero-calc-wrap .ac-field input,
.aero-calc-wrap .ac-field select {
  font-family: var(--ac-mono);
  font-size: 13px;
  padding: 6px 8px;
  border: 1px solid var(--ac-border);
  border-radius: 4px;
  background: #fff;
  color: var(--ac-text);
  width: 100%;
}
.aero-calc-wrap .ac-field input:focus,
.aero-calc-wrap .ac-field select:focus { outline: 2px solid var(--ac-accent); outline-offset: -1px; }

.aero-calc-wrap table.ac-panels-table { width: 100%; border-collapse: collapse; margin-bottom: 8px; }
.aero-calc-wrap table.ac-panels-table th {
  font-size: 10px; color: var(--ac-muted); text-align: left;
  padding: 4px 6px; border-bottom: 1px solid var(--ac-border);
}
.aero-calc-wrap table.ac-panels-table td { padding: 4px 6px; }
.aero-calc-wrap table.ac-panels-table input {
  width: 100%; font-family: var(--ac-mono); font-size: 12px;
  padding: 5px 6px; border: 1px solid var(--ac-border); border-radius: 4px;
}

.aero-calc-wrap .ac-btn {
  font-family: var(--ac-mono);
  font-size: 12px; font-weight: 700;
  padding: 7px 14px;
  border-radius: 5px;
  border: 1px solid var(--ac-accent);
  background: rgba(37,99,235,.08);
  color: var(--ac-accent);
  cursor: pointer;
}
.aero-calc-wrap .ac-btn:hover { background: rgba(37,99,235,.16); }
.aero-calc-wrap .ac-btn.primary { background: var(--ac-accent); color: #fff; }
.aero-calc-wrap .ac-btn.primary:hover { background: #1d4ed8; }
.aero-calc-wrap .ac-btn:disabled { opacity: .5; cursor: not-allowed; }
.aero-calc-wrap .ac-btn.danger { border-color: var(--ac-red); color: var(--ac-red); background: rgba(220,38,38,.06); padding: 3px 8px; font-size: 11px; }

.aero-calc-wrap .ac-main-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.aero-calc-wrap .ac-main-tabs button {
  font-family: var(--ac-mono); font-size: 12px; font-weight: 700; padding: 9px 16px;
  border: 1px solid var(--ac-border); border-radius: 6px; background: var(--ac-panel); cursor: pointer; color: var(--ac-muted);
}
.aero-calc-wrap .ac-main-tabs button.active { background: var(--ac-accent); color: #fff; border-color: var(--ac-accent); }

.aero-calc-wrap .ac-tail-type-tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.aero-calc-wrap .ac-tail-type-tabs button {
  font-family: var(--ac-mono); font-size: 11px; padding: 5px 10px;
  border: 1px solid var(--ac-border); border-radius: 4px; background: #fff; cursor: pointer; color: var(--ac-muted);
}
.aero-calc-wrap .ac-tail-type-tabs button.active { background: var(--ac-accent); color: #fff; border-color: var(--ac-accent); }

.aero-calc-wrap .ac-actions { display: flex; gap: 10px; align-items: center; margin-top: 6px; flex-wrap: wrap; }
.aero-calc-wrap .ac-status { color: var(--ac-muted); font-size: 11px; }

.aero-calc-wrap #ac-form-errors {
  display: none;
  background: rgba(220,38,38,.08);
  border: 1px solid var(--ac-red);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 12px;
  color: #991b1b;
}
.aero-calc-wrap #ac-form-errors.show { display: block; }
.aero-calc-wrap #ac-form-errors ul { margin-left: 18px; margin-top: 4px; }

.aero-calc-wrap #ac-results-placeholder { color: var(--ac-muted); font-size: 12px; padding: 20px 4px; }

.aero-calc-wrap table.ac-results-table { width: 100%; border-collapse: collapse; }
.aero-calc-wrap table.ac-results-table td { padding: 7px 10px; border-bottom: 1px solid var(--ac-bg2); vertical-align: top; }
.aero-calc-wrap table.ac-results-table tr.ac-group-row td {
  padding: 9px 10px 5px;
  font-size: 11px; letter-spacing: .05em; font-weight: 700;
  color: var(--ac-accent); background: rgba(37,99,235,.06);
}
.aero-calc-wrap .ac-param-name { font-weight: 600; font-size: 12px; }
.aero-calc-wrap .ac-param-sub { color: var(--ac-muted); font-size: 10.5px; margin-top: 1px; }
.aero-calc-wrap .ac-value-cell { font-weight: 700; font-size: 13px; text-align: right; white-space: nowrap; }
.aero-calc-wrap .ac-value-unit { font-size: 10px; font-weight: 400; color: var(--ac-muted); margin-left: 3px; }

.aero-calc-wrap .ac-badge {
  display: inline-block; font-size: 10px; padding: 2px 7px; border-radius: 20px;
  border: 1px solid var(--ac-border); color: var(--ac-muted); white-space: nowrap;
}
.aero-calc-wrap .ac-badge-ok   { color: var(--ac-green); border-color: var(--ac-green); background: rgba(5,150,105,.08); }
.aero-calc-wrap .ac-badge-warn { color: var(--ac-orange); border-color: var(--ac-orange); background: rgba(217,119,6,.08); }
.aero-calc-wrap .ac-badge-bad  { color: var(--ac-red); border-color: var(--ac-red); background: rgba(220,38,38,.08); }

.aero-calc-wrap .ac-result-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; }

.aero-calc-wrap .ac-gauge-row { display: flex; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.aero-calc-wrap .ac-gauge { flex: 1; min-width: 150px; }
.aero-calc-wrap .ac-gauge-label { font-size: 11px; color: var(--ac-muted); margin-bottom: 5px; letter-spacing: .04em; }
.aero-calc-wrap .ac-gauge-track {
  height: 8px; background: var(--ac-bg2);
  border: 1px solid var(--ac-border); border-radius: 4px; overflow: hidden;
  position: relative;
}
.aero-calc-wrap .ac-gauge-fill { height: 100%; border-radius: 4px; transition: width .4s, background .3s; width: 0; background: var(--ac-muted); }
.aero-calc-wrap .ac-gauge-val { font-size: 14px; font-weight: 700; margin-top: 4px; }
.aero-calc-wrap .ac-gauge-range { font-size: 10px; color: var(--ac-muted); margin-top: 2px; }
@media (max-width: 560px) {
  .aero-calc-wrap .ac-gauge-row { gap: 10px; }
  .aero-calc-wrap .ac-gauge { flex: 1 1 calc(50% - 5px); }
}

.aero-calc-wrap .ac-auth-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  background: var(--ac-panel);
  border: 1px solid var(--ac-border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 12px;
}
.aero-calc-wrap .ac-auth-bar a.ac-btn { text-decoration: none; white-space: nowrap; }

.aero-calc-wrap .ac-hint { color: var(--ac-muted); font-size: 10.5px; margin-top: 6px; }

.aero-calc-wrap #ac-plan-svg { width: 100%; height: auto; aspect-ratio: 700 / 320; display: block; background: #fbfdff; border: 1px solid var(--ac-bg2); border-radius: 6px; }

.aero-calc-wrap .ac-configs-list { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.aero-calc-wrap .ac-config-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px;
  border: 1px solid var(--ac-border);
  border-radius: 5px;
  font-size: 12px;
}
.aero-calc-wrap .ac-config-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Мотор/Проп/Акум — топбар, повзунок, метрики, графіки, зведена таблиця */
.aero-calc-wrap .ac-mp-topbar {
  display: flex; flex-wrap: wrap; gap: 6px 16px;
  background: var(--ac-bg2); border: 1px solid var(--ac-border); border-radius: 6px;
  padding: 8px 12px; margin: 12px 0; font-size: 11px;
}
.aero-calc-wrap .ac-mp-topbar b { color: var(--ac-accent); }

.aero-calc-wrap .ac-mp-throttle-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 12px; }
.aero-calc-wrap .ac-mp-throttle-row input[type=range] { flex: 1; max-width: 260px; accent-color: var(--ac-accent); }
.aero-calc-wrap .ac-mp-thr-val { font-weight: 700; color: var(--ac-accent); min-width: 34px; }

.aero-calc-wrap .ac-mp-metrics-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; margin-bottom: 12px;
}
.aero-calc-wrap .ac-mp-metric {
  border: 1px solid var(--ac-border); border-radius: 6px; padding: 8px 10px;
  border-left: 3px solid var(--mp-mc, var(--ac-accent));
}
.aero-calc-wrap .ac-mp-metric-label { font-size: 10px; color: var(--ac-muted); margin-bottom: 3px; }
.aero-calc-wrap .ac-mp-metric-val { font-size: 16px; font-weight: 700; }
.aero-calc-wrap .ac-mp-metric-unit { font-size: 10px; color: var(--ac-muted); }

.aero-calc-wrap .ac-mp-warn-item { font-size: 11px; padding: 6px 10px; border-radius: 5px; margin-bottom: 6px; }
.aero-calc-wrap .ac-mp-w-green { background: rgba(5,150,105,.08); color: var(--ac-green); }
.aero-calc-wrap .ac-mp-w-amber { background: rgba(217,119,6,.08); color: var(--ac-orange); }
.aero-calc-wrap .ac-mp-w-red { background: rgba(220,38,38,.08); color: var(--ac-red); }

.aero-calc-wrap .ac-mp-charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
@media (max-width: 700px) { .aero-calc-wrap .ac-mp-charts-grid { grid-template-columns: 1fr; } }
.aero-calc-wrap .ac-mp-chart-box { border: 1px solid var(--ac-border); border-radius: 6px; padding: 10px; margin-bottom: 12px; }
.aero-calc-wrap .ac-mp-charts-grid .ac-mp-chart-box { margin-bottom: 0; }
.aero-calc-wrap .ac-mp-chart-title { font-size: 11px; font-weight: 700; color: var(--ac-text); margin-bottom: 4px; }
.aero-calc-wrap .ac-mp-legend { display: flex; flex-wrap: wrap; gap: 10px; font-size: 10px; color: var(--ac-muted); margin-bottom: 6px; }
.aero-calc-wrap .ac-mp-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 4px; vertical-align: middle; }
.aero-calc-wrap .ac-mp-chart-wrap { position: relative; height: 180px; }
.aero-calc-wrap .ac-mp-panel-title { font-size: 11px; font-weight: 700; margin-bottom: 8px; }

.aero-calc-wrap table.ac-mp-table { width: 100%; border-collapse: collapse; font-size: 11px; min-width: 620px; }
.aero-calc-wrap table.ac-mp-table th { text-align: left; padding: 5px 8px; color: var(--ac-muted); font-weight: 600; border-bottom: 1px solid var(--ac-border); white-space: nowrap; }
.aero-calc-wrap table.ac-mp-table td { padding: 4px 8px; border-bottom: 1px solid var(--ac-bg2); white-space: nowrap; }
.aero-calc-wrap table.ac-mp-table tr.ac-mp-hi { background: rgba(37,99,235,.08); font-weight: 700; }

/* Практика: баланс CG, точки польоту, порівняння теорія/практика */
.aero-calc-wrap table.ac-panels-table tfoot .ac-cg-total-row td { font-weight: 700; background: var(--ac-bg2); border-top: 2px solid var(--ac-border); }
.aero-calc-wrap table.ac-panels-table tfoot td:nth-child(3) { color: var(--ac-red); font-size: 13px; }

.aero-calc-wrap .ac-cg-bar-wrap { margin-top: 10px; }
.aero-calc-wrap .ac-cg-bar {
  position: relative; height: 26px; border-radius: 6px; overflow: hidden;
  background: var(--ac-bg2); border: 1px solid var(--ac-border);
}
.aero-calc-wrap .ac-cg-zone { position: absolute; height: 100%; background: rgba(217,119,6,.2); border-left: 2px solid var(--ac-orange); border-right: 2px solid var(--ac-orange); }
.aero-calc-wrap .ac-cg-opt-tick { position: absolute; top: 0; width: 2px; height: 100%; background: var(--ac-green); }
.aero-calc-wrap .ac-cg-marker { position: absolute; top: 0; width: 4px; height: 100%; background: var(--ac-red); border-radius: 2px; transform: translateX(-50%); }
.aero-calc-wrap .ac-cg-ticks { display: flex; justify-content: space-between; font-size: 10px; color: var(--ac-muted); margin-top: 4px; }
.aero-calc-wrap .ac-cg-note-box { padding: 9px 12px; border-radius: 6px; border-left: 4px solid; font-size: 12px; font-weight: 600; margin-bottom: 6px; }

.aero-calc-wrap table.ac-compare-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.aero-calc-wrap table.ac-compare-table th { text-align: left; padding: 6px 8px; color: var(--ac-muted); border-bottom: 1px solid var(--ac-border); }
.aero-calc-wrap table.ac-compare-table th:nth-child(2),
.aero-calc-wrap table.ac-compare-table th:nth-child(3),
.aero-calc-wrap table.ac-compare-table th:nth-child(4) { text-align: right; }
.aero-calc-wrap table.ac-compare-table td { padding: 5px 8px; border-bottom: 1px solid var(--ac-bg2); }
.aero-calc-wrap table.ac-compare-table td:nth-child(2) { text-align: right; color: var(--ac-accent); font-weight: 600; }
.aero-calc-wrap table.ac-compare-table td:nth-child(3) { text-align: right; color: var(--ac-green); font-weight: 600; }
.aero-calc-wrap table.ac-compare-table td:nth-child(4) { text-align: right; font-weight: 700; }
.aero-calc-wrap table.ac-compare-table td:nth-child(5) { font-size: 10px; color: var(--ac-muted); }

@media print {
  .aero-calc-wrap .ac-actions,
  .aero-calc-wrap .ac-auth-bar,
  .aero-calc-wrap #ac-configs-section,
  .aero-calc-wrap .ac-main-tabs,
  .aero-calc-wrap .ac-tail-type-tabs { display: none !important; }
}