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

:root {
  --bk-blue: #2563eb;
  --bk-blue-dark: #1d4ed8;
  --bk-night: #050a12;
  --bk-surface-dark: rgba(13, 21, 38, 0.86);
  --bk-border: rgba(96, 165, 250, 0.22);
  --bk-muted: #94a3b8;
  --bk-radius-card: 1rem;
  --bk-focus: 0 0 0 3px rgba(37, 99, 235, 0.28);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #050a12;
  color: #e2e8f0;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #050a12; }
::-webkit-scrollbar-thumb { background: rgba(37,99,235,0.4); border-radius: 3px; }

/* Input shared style */
.input-dark {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(37,99,235,0.3);
  background: rgba(15,23,42,0.8);
  color: #e2e8f0;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
.input-dark:focus { border-color: rgba(37,99,235,0.7); }
.input-dark::-moz-placeholder { color: #94a3b8; }
.input-dark::placeholder { color: #94a3b8; }

/* Loading overlay */
.loader {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  background: #0d1117;
}


/* BK shared polish */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: none;
  box-shadow: var(--bk-focus);
}

button {
  font-family: inherit;
}