/* Estilos propios — Calculadora de promedio */
.scale-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 18px;
}

.scale-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.tab-panel {
  margin-top: 16px;
}

.mode-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-bottom: 14px;
  font-size: .92rem;
}

.mode-bar strong {
  color: var(--muted);
  font-size: .88rem;
}

.rows-head {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr) 40px;
  gap: 8px;
  padding: 0 2px 6px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--muted);
}

.grade-rows {
  display: grid;
  gap: 8px;
}

.grade-row {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr) 40px;
  gap: 8px;
  align-items: center;
}

.grade-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.cell-lbl {
  display: none;
  font-size: .78rem;
  font-weight: 600;
  color: var(--muted);
}

.btn-del {
  padding: 0;
  width: 40px;
  height: 42px;
  font-size: .95rem;
  color: var(--muted);
}

.btn-del:hover {
  color: var(--bad);
  border-color: var(--bad);
  background: color-mix(in srgb, var(--bad) 10%, transparent);
}

.result-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-top: 2px;
}

.badge-ok {
  background: var(--ok);
  color: #fff;
}

.badge-bad {
  background: var(--bad);
  color: #fff;
}

.badge-warn {
  background: var(--warn);
  color: #fff;
}

.avg-alert {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: .9rem;
  background: color-mix(in srgb, var(--warn) 14%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--warn) 45%, var(--border));
  color: var(--text);
}

.result-note {
  margin: 10px 0 0;
  font-size: .92rem;
  color: var(--text);
}

@media (max-width: 560px) {
  .scale-grid {
    grid-template-columns: repeat(auto-fit, minmax(115px, 1fr));
  }

  .rows-head {
    display: none;
  }

  .grade-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 38px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
    gap: 8px;
  }

  .grade-row .cell-name {
    grid-column: 1 / 3;
    grid-row: 1;
  }

  .grade-row .btn-del {
    grid-column: 3 / 4;
    grid-row: 1;
    align-self: end;
    width: 38px;
    height: 42px;
  }

  .grade-row .cell-grade {
    grid-column: 1 / 2;
    grid-row: 2;
  }

  .grade-row .cell-weight {
    grid-column: 2 / 4;
    grid-row: 2;
  }

  .cell-lbl {
    display: block;
  }

  .grade-row input {
    background: var(--surface);
  }
}