/* ============================================================================
   Base / reset / typography / utilities
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh);
  color: var(--text);
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-variant-numeric: tabular-nums;
}

h1, h2, h3, h4 { line-height: 1.25; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: var(--fs-xl); }
h2 { font-size: var(--fs-lg); }
h3 { font-size: var(--fs-md); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
input, select, textarea { font: inherit; color: inherit; }
img, svg { display: block; max-width: 100%; }
svg { flex-shrink: 0; }
/* Safety-net default for every inline icon (see partials/icon.ejs) — without an
   explicit size, a bare <svg> in a block-level flex container (e.g. .section-title,
   .page-head .crumb) resolves `max-width:100%` against the container's full width
   and renders enormous. Any `<context> svg` rule elsewhere is more specific and
   overrides this safely. */
.icon { width: 16px; height: 16px; }
::placeholder { color: var(--text-mute); }

/* focus visibility */
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--r-sm); }

/* scrollbars */
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; border: 2px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-thumb:hover { background: var(--surface-3); background-clip: content-box; }

/* number / mono */
.mono { font-family: var(--font-mono); font-size: .92em; }
.tnum { font-variant-numeric: tabular-nums; }

/* text utilities */
.t-dim { color: var(--text-dim); }
.t-mute { color: var(--text-mute); }
.t-xs { font-size: var(--fs-xs); }
.t-sm { font-size: var(--fs-sm); }
.t-lg { font-size: var(--fs-lg); }
.t-2xl { font-size: var(--fs-2xl); }
.t-primary { color: var(--primary); }
.t-danger { color: var(--danger); }
.t-success { color: var(--success); }
.t-vip { color: var(--vip); }
.fw-500 { font-weight: 500; } .fw-600 { font-weight: 600; } .fw-700 { font-weight: 700; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.uppercase { text-transform: uppercase; letter-spacing: .06em; }

/* layout utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 auto; min-width: 0; }
.gap-1 { gap: var(--space-1); } .gap-2 { gap: var(--space-2); } .gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); } .gap-5 { gap: var(--space-5); } .gap-6 { gap: var(--space-6); }
.grid { display: grid; }
.hidden { display: none; }
.w-full { width: 100%; }
.mt-2 { margin-top: var(--space-2); } .mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); } .mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); } .mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); } .mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.ml-auto { margin-left: auto; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.nowrap { white-space: nowrap; }
.relative { position: relative; }

/* responsive KPI / card grids */
.auto-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.auto-grid-lg { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

/* skeleton */
.skeleton { position: relative; overflow: hidden; background: var(--surface-3); border-radius: var(--r-sm); }
.skeleton::after { content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.06), transparent);
  transform: translateX(-100%); animation: shimmer 1.4s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }

/* small helpers */
.divider { height: 1px; background: var(--border); border: 0; margin: var(--space-4) 0; }
.dot { width: 8px; height: 8px; border-radius: 999px; display: inline-block; flex-shrink: 0; }
.pulse { animation: pulse 2s var(--ease) infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }