.estimator-layout {
  padding: 2.2rem 0 3rem;
  display: grid;
  gap: 1.5rem;
}

/* Let cards shrink below their content's intrinsic width so wide
   tables scroll inside their wrappers instead of stretching the page. */
.estimator-layout > * {
  min-width: 0;
}

.estimator-hero {
  border: 1px solid #1f2d3b;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(11, 18, 25, 0.84), rgba(8, 14, 20, 0.75));
  box-shadow: var(--shadow);
  padding: clamp(1.2rem, 3vw, 2.2rem);
}

.estimator-hero h1 {
  font-size: clamp(1.8rem, 4.4vw, 3.2rem);
  max-width: 22ch;
}

.estimator-hero .lead {
  max-width: 70ch;
}

.estimator-card {
  background: var(--card);
  border: 1px solid #263344;
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: clamp(1.2rem, 3vw, 1.8rem);
  backdrop-filter: blur(8px);
}

.estimator-card h2 {
  margin: 0 0 1.1rem;
  font-weight: 400;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
  align-items: end;
}

/* Running time / tempo / beats-per-bar sit on one row on the Bar Count
   Estimator; the plain two-column grid is still the default everywhere else. */
.estimator-grid-3 {
  grid-template-columns: 1.2fr 1fr 1fr;
}

@media (max-width: 720px) {
  .estimator-grid,
  .estimator-grid-3 {
    grid-template-columns: 1fr;
  }
}

.field-help {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.result-panel {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 720px) {
  .result-panel {
    grid-template-columns: 1fr;
  }
}

.result-tile {
  border: 1px solid #243a4f;
  border-radius: 14px;
  padding: 1.2rem 1.4rem;
  background: rgba(0, 212, 255, 0.04);
}

.result-tile.primary {
  background: linear-gradient(130deg, rgba(0, 212, 255, 0.12), rgba(110, 231, 255, 0.08));
  border-color: rgba(110, 231, 255, 0.45);
}

.result-label {
  margin: 0 0 0.35rem;
  color: var(--accent-soft);
  font-size: 0.74rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  font-weight: 700;
}

.result-value {
  margin: 0;
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--text);
}

.result-unit {
  color: var(--muted);
  font-size: 0.95rem;
  margin-left: 0.35rem;
  font-weight: 400;
}

.breakdown {
  margin: 1.1rem 0 0;
  padding: 0.85rem 1rem;
  background: rgba(110, 231, 255, 0.05);
  border: 1px dashed #2c4356;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.breakdown strong {
  color: var(--text);
  font-weight: 600;
}

.ref-table-wrap {
  overflow-x: auto;
  margin-top: 0.6rem;
  border: 1px solid #243a4f;
  border-radius: 12px;
}

table.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 540px;
}

table.ref-table th,
table.ref-table td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid #1d2836;
}

table.ref-table th {
  color: var(--accent-soft);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(0, 212, 255, 0.04);
}

table.ref-table tbody tr:last-child td {
  border-bottom: none;
}

table.ref-table td.row-label {
  color: var(--text);
  font-weight: 600;
}

.source-note {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.55;
}

.source-note a {
  color: var(--accent-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.quick-actions {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ============================================================
   DEFINE ORCHESTRA SECTION
   ============================================================ */
details.orchestra-card {
  background: var(--card);
  border: 1px solid #263344;
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  backdrop-filter: blur(8px);
}

details.orchestra-card[open] {
  padding-bottom: 1.8rem;
}

details.orchestra-card > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-weight: 400;
  font-size: 1.15rem;
  padding: 0.2rem 0;
}

details.orchestra-card > summary::-webkit-details-marker { display: none; }

details.orchestra-card > summary::after {
  content: '+';
  color: var(--accent-soft);
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform 0.2s ease;
  margin-left: auto;
}

details.orchestra-card[open] > summary::after {
  content: '\2212';
}

.orchestra-card .summary-hint {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 400;
}

.orchestra-body {
  margin-top: 1.3rem;
  display: grid;
  gap: 1.3rem;
}

.orch-measures-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 1rem;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid #243a4f;
  border-radius: 12px;
}

.orch-measures-row label {
  margin-bottom: 0;
  color: var(--accent-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .orch-measures-row { grid-template-columns: 1fr; }
}

.orch-section h3 {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-soft);
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}

.orch-section-actions {
  margin-left: auto;
  display: flex;
  gap: 0.4rem;
}

.orch-section-actions button {
  background: transparent;
  border: 1px solid #2a3a4f;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  cursor: pointer;
  text-transform: none;
}

.orch-section-actions button:hover {
  color: var(--text);
  border-color: var(--accent-soft);
}

.inst-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.35rem 0.9rem;
}

.inst-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 0.92rem;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.inst-check {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  cursor: pointer;
  font-weight: inherit;
}

.inst-row:hover {
  background: rgba(0, 212, 255, 0.04);
}

.inst-row.checked {
  background: rgba(0, 212, 255, 0.06);
  border-color: rgba(110, 231, 255, 0.25);
}

.inst-row input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent-soft);
  margin: 0;
  cursor: pointer;
}

.inst-name {
  color: var(--text);
  font-weight: 400;
  line-height: 1.25;
}

.inst-type {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.inst-qty {
  width: 56px;
  padding: 0.3rem 0.4rem;
  font-size: 0.85rem;
  text-align: center;
  background: #0d141e;
  border: 1px solid #334359;
  color: var(--text);
  border-radius: 6px;
}

.inst-row .inst-remove {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0 0.2rem;
}

.inst-row .inst-remove:hover {
  color: #ff8585;
}

.add-custom-form {
  display: grid;
  grid-template-columns: 2fr 1.4fr 0.7fr auto;
  gap: 0.7rem;
  align-items: end;
  padding: 0.85rem;
  border: 1px dashed #2c4356;
  border-radius: 12px;
  background: rgba(110, 231, 255, 0.03);
}

.add-custom-form label {
  font-size: 0.78rem;
  margin-bottom: 0.25rem;
  display: block;
  color: var(--muted);
}

.add-custom-form .btn {
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
}

@media (max-width: 720px) {
  .add-custom-form { grid-template-columns: 1fr 1fr; }
}

.orch-result {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.orch-summary-tile {
  border: 1px solid rgba(110, 231, 255, 0.45);
  border-radius: 14px;
  padding: 1.1rem 1.3rem;
  background: linear-gradient(130deg, rgba(0, 212, 255, 0.12), rgba(110, 231, 255, 0.08));
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
}

.orch-summary-tile .orch-summary-label {
  color: var(--accent-soft);
  font-size: 0.74rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0 0 0.2rem;
}

.orch-summary-tile .orch-summary-value {
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--text);
}

.orch-summary-tile .orch-summary-aside {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
  text-align: right;
}

@media (max-width: 540px) {
  .orch-summary-tile { grid-template-columns: 1fr; }
  .orch-summary-tile .orch-summary-aside { text-align: left; }
}

table.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

table.breakdown-table th,
table.breakdown-table td {
  padding: 0.55rem 0.7rem;
  text-align: left;
  border-bottom: 1px solid #1d2836;
}

table.breakdown-table th {
  color: var(--accent-soft);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(0, 212, 255, 0.03);
}

table.breakdown-table td.num,
table.breakdown-table th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

table.breakdown-table tbody tr:last-child td {
  border-bottom: 1px solid #2a3a4f;
}

table.breakdown-table tfoot td {
  font-weight: 600;
  color: var(--text);
  border-bottom: none;
  padding-top: 0.75rem;
}

.breakdown-wrap {
  border: 1px solid #243a4f;
  border-radius: 12px;
  overflow-x: auto;
}

.orch-empty {
  color: var(--muted);
  font-size: 0.92rem;
  padding: 0.85rem 1rem;
  background: rgba(110, 231, 255, 0.04);
  border: 1px dashed #2c4356;
  border-radius: 10px;
}