/* ==========================================================================
   Modal & Drawer System (Responsive Bottom Sheet on Mobile)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background-color: rgba(10, 10, 12, 0.62);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  width: 100%;
  max-width: 520px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  padding: 1.35rem;
  box-shadow: var(--shadow-modal);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-height: 90vh;
  overflow-y: auto;
}

@media (max-width: 640px) {
  .modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }
  .modal-dialog {
    max-width: 100%;
    border-radius: 1.15rem 1.15rem 0 0;
    border-bottom: none;
    max-height: 88vh;
    padding: 1.15rem 1rem calc(1.15rem + env(safe-area-inset-bottom, 0px));
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.modal-title {
  font-size: 1.02rem;
  font-weight: 700;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.quick-split-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}