/* =========================================================================
   Nexus · base.css — element resets, typography baseline, link colors.
   ========================================================================= */

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

html, body { height: 100%; }
html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: var(--nx-font-sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--nx-text);
  background: var(--nx-bg);
  background-image:
    radial-gradient(1200px 800px at 80% -10%, var(--nx-aurora-1), transparent 70%),
    radial-gradient(900px  600px at -10% 110%, var(--nx-aurora-2), transparent 70%),
    radial-gradient(700px  500px at 50% 50%,  var(--nx-aurora-3), transparent 70%);
  background-attachment: fixed;
  overflow: hidden; /* the app shell handles its own scrolling */
}

/* Subtle 1px grid overlay everywhere except over modals/toasts */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--nx-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--nx-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 90%);
  z-index: 0;
}

h1, h2, h3, h4 {
  font-family: var(--nx-font-display);
  font-weight: 600;
  letter-spacing: -.01em;
  margin: 0;
}

p { margin: 0; }

a {
  color: var(--nx-accent);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color var(--nx-dur-fast) var(--nx-ease),
              border-color var(--nx-dur-fast) var(--nx-ease);
}
a:hover {
  color: var(--nx-accent-2);
  border-bottom-color: var(--nx-accent-2);
}

code, pre, .mono {
  font-family: var(--nx-font-mono);
  font-feature-settings: "ss01", "calt";
}

::selection {
  background: var(--nx-accent-soft);
  color: var(--nx-text);
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

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

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

.hidden { display: none !important; }
.smallcaps {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 11px;
  font-weight: 600;
  color: var(--nx-text-2);
}
.muted { color: var(--nx-text-2); }
.display { font-family: var(--nx-font-display); }