:root {
  --brand-dark: #040a17;
  --card-dark: #0b1326;
  --border-dark: #1e293b;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --white: #ffffff;
  --accent-cyan: #22d3ee;
  --accent-green: #34d399;
  --accent-orange: #f97316;
  --accent-purple: #a855f7;
  --accent-red: #fb7185;
  --accent-amber: #f59e0b;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-xl: 12px;
  --radius-2xl: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark;
}

body {
  min-height: 100vh;
  padding-bottom: 6rem;
  background: var(--brand-dark);
  color: #f1f5f9;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

strong {
  font-weight: 800;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-cyan {
  color: var(--accent-cyan);
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--brand-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--border-dark);
  border-radius: 4px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}