/* ============================================================
   Base: resets and element defaults. No component classes here.
   ============================================================ */

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  font-feature-settings: "cv11", "ss01", "cv02", "cv03", "cv04";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-top: env(safe-area-inset-top, 0px);
  transition: background var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out);
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}
h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-lg); }
h3 { font-size: var(--text-md); }
h4 { font-size: var(--text-base); }

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

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.mono, code, kbd {
  font-family: var(--font-mono);
  font-variant-ligatures: none;
}

.tnum {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

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

/* scrollbars: thin, theme-matched, non-intrusive */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-full); border: 2px solid var(--bg-panel); }

/* focus-visible ring, applied consistently to every interactive element */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

[hidden] { display: none !important; }

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

.icon {
  width: 16px; height: 16px;
  flex: none;
  display: inline-block;
  vertical-align: middle;
}
.icon-sm { width: 14px; height: 14px; }
.icon-lg { width: 20px; height: 20px; }
.icon-sprite { display: none; }

/* ---------------------------------------------------------------- utilities
   A small, closed set of layout utilities - used instead of inline
   style="" attributes, which the dashboard's CSP (style-src 'self',
   no unsafe-inline) silently strips. */

.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mt-3 { margin-top: var(--space-3); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.p-0 { padding: 0; }
.w-full { width: 100%; }
.gap-2 { gap: var(--space-2); }
.max-w-sm { max-width: 320px; }
.input-fixed-sm { width: 90px; flex: none; }
.text-normal { text-transform: none; font-weight: var(--weight-normal); }
.cursor-default { cursor: default; }
.stat-unit { font-size: var(--text-md); font-weight: var(--weight-medium); }
.text-xs { font-size: var(--text-xs); }
.grid-cols-main-side { grid-template-columns: 1.3fr 1fr; }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-danger { border-color: var(--live); }
.vnc-frame-box {
  border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border);
  background: #000; min-height: 60vh;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}