:root {
  --bg-0: #0b0d12;
  --bg-1: #11141c;
  --bg-2: #161a23;
  --bg-3: #1d2230;
  --border: #232838;
  --border-hi: #2c3346;

  --text: #cbd2e0;
  --text-dim: #8590a8;
  --text-mute: #5a6480;
  --text-hi: #f4f6fb;

  --accent: #7c5cff;
  --accent-2: #2dd4bf;
  --accent-warn: #f6c177;
  --accent-bad: #f87171;
  --accent-good: #4ade80;
  --accent-blue: #60a5fa;

  --zone-critical: #f87171;
  --zone-under: #f6c177;
  --zone-profit: #4ade80;
  --zone-wastage: #fb923c;

  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-2: 0 8px 24px rgba(0, 0, 0, 0.45);

  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  font: 14px/1.5 var(--sans);
  color: var(--text);
  background: var(--bg-0);
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-0);
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, transform 80ms ease;
}

button:hover {
  border-color: var(--border-hi);
  background: #232a3b;
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button.primary {
  background: linear-gradient(180deg, #6e51e8, #5b3fd6);
  border-color: #6446e0;
  color: #fff;
}

button.primary:hover {
  background: linear-gradient(180deg, #7d61ff, #5d40e2);
}

input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--bg-3);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}

input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 999px;
  border: 2px solid var(--bg-1);
  box-shadow: 0 1px 4px rgba(124, 92, 255, 0.4);
}

input[type='range']::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 999px;
  border: 2px solid var(--bg-1);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-1);
}
::-webkit-scrollbar-thumb {
  background: #2a3146;
  border-radius: 999px;
  border: 2px solid var(--bg-1);
}
::-webkit-scrollbar-thumb:hover {
  background: #354063;
}