/* ==========================================================================
   LP-DS — base: reset, tipografia, grao de filme e componentes comuns.
   Depende de tokens.css e fonts/fonts.css. Copiado para os apps por sync.sh.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--bg); color: var(--ink); }
body {
  margin: 0;
  min-height: 100vh;
  font: 400 16px/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, ol, ul { margin: 0; }
[hidden] { display: none !important; }
::selection { background: var(--signal); color: var(--on-signal); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }

/* --- Grao de filme ------------------------------------------------------
   Camada fixa sobre a UI. Imagens que devem ficar limpas recebem
   .ds-clean (position: relative + z-index acima do grao). */
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  z-index: 50;
  pointer-events: none;
  background: url("textures/grain.svg") 0 0 / var(--grain-size) var(--grain-size);
  opacity: var(--grain-alpha);
  animation: ds-grain .7s steps(6) infinite;
}
:root[data-grain="off"] body::after { display: none; }
.ds-clean { position: relative; z-index: 60; }
@keyframes ds-grain {
  0%   { transform: translate(0, 0); }
  17%  { transform: translate(-5%, 3%); }
  33%  { transform: translate(3%, -6%); }
  50%  { transform: translate(-7%, -2%); }
  67%  { transform: translate(6%, 5%); }
  83%  { transform: translate(-2%, 7%); }
  100% { transform: translate(0, 0); }
}

/* --- Tipografia --------------------------------------------------------- */
.ds-label {
  font: 500 11px/1.2 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.ds-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.ds-display {
  font-family: var(--font-display);
  font-stretch: 125%;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: .95;
  text-transform: uppercase;
}
.ds-title {
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 600;
  line-height: 1.1;
}

/* --- Estrutura ------------------------------------------------------------ */
.ds-stripe { height: 4px; background: var(--app); }

/* --- Componentes ------------------------------------------------------------ */
.ds-key {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  font: 500 12px/1 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: var(--surface);
  border: var(--rule);
  border-radius: var(--radius);
  padding: 10px 14px 9px;
  box-shadow: 0 2px 0 var(--ink);
  cursor: pointer;
  transition: transform var(--t-fast) steps(2), box-shadow var(--t-fast) steps(2);
}
.ds-key:hover { background: var(--bg); }
.ds-key:active, .ds-key[aria-pressed="true"] { transform: translateY(2px); box-shadow: 0 0 0 var(--ink); }
.ds-key[aria-pressed="true"], .ds-key--primary { background: var(--ink); color: var(--bg); }
.ds-key--signal { background: var(--signal); color: var(--on-signal); }
.ds-key--small { padding: 6px 9px 5px; font-size: 11px; }

.ds-led {
  display: inline-block; flex: none;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--ok) 30%, transparent);
  vertical-align: middle;
}
.ds-led--warn { background: var(--warn); box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--warn) 30%, transparent); }
.ds-led--off { background: transparent; box-shadow: inset 0 0 0 1.5px var(--line); }
.ds-led--rec { background: var(--signal); animation: ds-blink 1.2s steps(1) infinite; }
@keyframes ds-blink { 50% { opacity: 0; } }

.ds-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font: 500 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase;
  border: var(--hair); border-radius: var(--radius);
  padding: 5px 7px;
}

.ds-spec { width: 100%; border-collapse: collapse; font-size: 14px; }
.ds-spec th, .ds-spec td { text-align: left; padding: 9px 0; border-bottom: var(--hair); vertical-align: baseline; }
.ds-spec th { width: 42%; font: 500 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ds-spec td { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Display embutido (relogio, contadores): fundo escuro + Doto */
.ds-screen {
  display: inline-grid; gap: var(--s1);
  padding: var(--s4) var(--s5);
  background: var(--display-bg);
  color: var(--display-fg);
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--display-fg) 15%, transparent);
}
.ds-screen__value { font: 800 clamp(36px, 4vw, 56px)/1 var(--font-dot); letter-spacing: .04em; font-variant-numeric: tabular-nums; }
.ds-screen .ds-label { color: color-mix(in srgb, var(--display-fg) 65%, transparent); }
.ds-blink { animation: ds-blink 1s steps(1) infinite; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}