/* ==========================================================================
   BEYOND NEXUS MSP (msp.bydnx.com) - Global Base Styles & Typography
   Brand Tagline: Learn. Dream. Build.
   MSP Proposition: Monitor. Manage. Maintain.
   ========================================================================== */

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

html {
  font-size: 15px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--background-soft);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 1.85rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
h5 { font-size: 0.95rem; }
h6 { font-size: 0.85rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

p:last-child {
  margin-bottom: 0;
}

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

a:hover {
  color: var(--accent-dark);
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

code {
  background-color: var(--background-section);
  color: var(--primary);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}

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

::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Accessible Focus States */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Utilities */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.85rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.15rem; }
.text-xl { font-size: 1.35rem; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

.font-mono { font-family: var(--font-mono); }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.w-full { width: 100%; }
.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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