.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 15, 25, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  transition: opacity var(--transition-fast);
}

.modal-card {
  background: var(--bg-dark-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 22px;
}

.modal-footer {
  padding: 16px 22px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Chart Zoom Modal Styles */
.chart-zoom-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10000 !important;
  display: none;
  flex-direction: column;
  padding: 0 !important;
  margin: 0 !important;
  width: 100vw;
  height: 100vh;
  box-sizing: border-box;
}

.chart-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(30, 41, 59, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  width: 100%;
  box-sizing: border-box;
  gap: 8px;
}

.chart-modal-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.chart-modal-title-group h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-modal-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.chart-modal-body-viewport {
  flex: 1;
  width: 100%;
  height: calc(100vh - 90px);
  overflow: hidden;
  position: relative;
  touch-action: none;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-sizing: border-box;
}

.chart-modal-body-viewport:active {
  cursor: grabbing;
}

.chart-modal-svg-wrap {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: center center;
  will-change: transform;
}

.chart-modal-svg-wrap svg {
  width: 100% !important;
  height: auto !important;
  max-height: 82vh !important;
  display: block !important;
}

@media (max-width: 600px) {
  .chart-modal-header {
    padding: 8px 10px;
  }
  .chart-modal-title-group h3 {
    font-size: 0.82rem;
    max-width: 130px;
  }
  .chart-modal-controls .btn-sm {
    padding: 4px 8px !important;
    font-size: 0.8rem !important;
  }
  .chart-modal-scale-badge {
    font-size: 0.7rem !important;
    padding: 3px 6px !important;
  }
}