/* ============================================
   WbaChat - Base Reset & Typography
   ============================================ */

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

html, body { margin: 0; padding: 0; height: 100%; }

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 15px;
  line-height: 1.55;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

a {
  color: var(--brand-secondary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
a:hover { color: var(--brand-primary); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  margin: 0 0 var(--space-3);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.25rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 var(--space-3); color: var(--text-secondary); }

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

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

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 8px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.text-muted { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-center { text-align: center; }
.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hidden { display: none !important; }