/* =========================================
   Base Styles — Root, body, scrollbar, selection
   Premium Dark Trading Design System
   ========================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-base);
  overflow-x: hidden;
  min-height: 100dvh;
}

/* ---- Scrollbar — premium dark track ---- */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(120, 145, 190, 0.15);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(120, 145, 190, 0.25);
}
::-webkit-scrollbar-corner {
  background: transparent;
}

/* ---- Text Selection ---- */
::selection {
  background: rgba(79, 172, 254, 0.22);
  color: var(--color-text-primary);
}

/* ---- Focus Visible — premium ring ---- */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ---- Typography Utilities ---- */
.text-accent   { color: var(--color-accent); }
.text-profit   { color: var(--color-profit); }
.text-loss     { color: var(--color-loss); }
.text-gold     { color: var(--color-gold); }
.text-warning  { color: var(--color-warning); }
.text-muted   { color: var(--color-text-muted); }
.text-secondary{ color: var(--color-text-secondary); }
.text-primary  { color: var(--color-text-primary); }

.font-mono     { font-family: var(--font-mono); }
.font-sans     { font-family: var(--font-sans); }
.font-medium   { font-weight: var(--weight-medium); }
.font-semibold{ font-weight: var(--weight-semibold); }
.font-bold     { font-weight: var(--weight-bold); }

.tracking-tight  { letter-spacing: var(--tracking-tight); }
.tracking-snug   { letter-spacing: var(--tracking-snug); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide   { letter-spacing: var(--tracking-wide); }
.tracking-wider  { letter-spacing: var(--tracking-wider); }

.leading-tight   { line-height: var(--leading-tight); }
.leading-snug    { line-height: var(--leading-snug); }
.leading-normal  { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---- Scroll Reveal — initialized by JS ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="left"] {
  transform: translateX(-24px);
}

[data-reveal="left"].revealed {
  transform: translateX(0);
}

[data-reveal="scale"] {
  transform: scale(0.96);
}

[data-reveal="scale"].revealed {
  transform: scale(1);
}