/* Base / typography / reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--role-base, var(--t-14));
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  font-feature-settings: "cv11", "ss01", "ss03";
  font-variant-ligatures: common-ligatures;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  letter-spacing: inherit;
}
button { cursor: pointer; background: none; border: none; padding: 0; color: inherit; }
a { color: inherit; text-decoration: none; }

/* Global transitions for interactive surfaces */
button, a, input, select, textarea, [role='button'] {
  transition:
    color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: var(--r-4);
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--r-full);
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); background-clip: padding-box; border: 2px solid transparent; }

/* Selection */
::selection {
  background: var(--primary-soft);
  color: var(--primary-text);
}

/* Type helpers */
.mono { font-family: var(--font-mono); font-feature-settings: "tnum", "zero"; letter-spacing: -0.01em; }
.tnum { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.eyebrow {
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-subtle);
  font-weight: 600;
}
.display {
  font-family: var(--font-display);
  letter-spacing: -0.035em;
  font-weight: 600;
  line-height: 1;
}

/* Keyboard chord */
kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 18px;
  padding: 0 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-muted);
  box-shadow: 0 1px 0 var(--border);
}

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