* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-surface: #0f3460;
  --bg-panel: #1e1e3a;
  --bg-canvas: #2a2a4a;
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --border-color: #2a2a4e;
  --accent: #7c5cfc;
  --accent-hover: #6a4ae0;
  --accent-light: rgba(124, 92, 252, 0.15);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue',
    Arial, 'Noto Sans SC', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#root {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ─── Ant Design Overrides ─── */
.ant-btn-primary {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
}
.ant-btn-primary:hover {
  background: var(--accent-hover) !important;
}

.ant-modal-content {
  background: var(--bg-panel) !important;
  border: 1px solid var(--border-color) !important;
}
.ant-modal-header {
  background: var(--bg-panel) !important;
  border-bottom-color: var(--border-color) !important;
}
.ant-modal-title {
  color: var(--text-primary) !important;
}
.ant-modal-close {
  color: var(--text-secondary) !important;
}

.ant-slider-track {
  background: var(--accent) !important;
}
.ant-slider-handle::after {
  background: var(--accent) !important;
  box-shadow: 0 0 0 2px var(--accent) !important;
}

.ant-select-selector {
  background: var(--bg-secondary) !important;
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
}
.ant-select-arrow {
  color: var(--text-secondary) !important;
}

.ant-input-number {
  background: var(--bg-secondary) !important;
  border-color: var(--border-color) !important;
}
.ant-input-number-input {
  color: var(--text-primary) !important;
}

.ant-collapse {
  background: transparent !important;
}
.ant-collapse-header {
  color: var(--text-primary) !important;
}
.ant-collapse-content {
  background: transparent !important;
  border-color: var(--border-color) !important;
}