/* ============================================================
   base.css — Light theme reset + global styles
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg0);
  color: var(--text);
  line-height: 1.6;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Scrollbars ─────────────────────────────────────────── */
::-webkit-scrollbar          { width: 4px; height: 4px; }
::-webkit-scrollbar-track    { background: transparent; }
::-webkit-scrollbar-thumb    { background: rgba(15,23,42,0.14); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(15,23,42,0.26); }

/* ── Range slider ───────────────────────────────────────── */
input[type=range] {
  width: 100%;
  height: 4px;
  appearance: none;
  background: var(--bg3);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg1);
  border: 2px solid var(--indigo);
  box-shadow: 0 0 0 0 rgba(var(--indigo-rgb), 0.18), var(--shadow-sm);
  transition: transform var(--dur-fast) var(--ease-spring),
              box-shadow var(--dur-fast);
}
input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 0 5px rgba(var(--indigo-rgb), 0.12), var(--shadow-sm);
}
input[type=range]:active::-webkit-slider-thumb {
  transform: scale(1.1);
  box-shadow: 0 0 0 8px rgba(var(--indigo-rgb), 0.08), var(--shadow-sm);
}

/* ── Select ─────────────────────────────────────────────── */
select {
  width: 100%;
  padding: 8px 11px;
  background: var(--bg1);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  color: var(--text);
  font-size: 12.5px;
  outline: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}
select:hover  { border-color: var(--border3); }
select:focus  {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(var(--indigo-rgb), 0.12);
}
select option { background: var(--bg1); color: var(--text); }

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--indigo);
  background: var(--indigo3);
  padding: 1px 5px;
  border-radius: 3px;
}

:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 2px;
  border-radius: 3px;
}