/* ============================================================
   PROMETISNOUS — base.css
   Tokens de tema (dark/light), reset, topbar, controles, shell.
   Sem recursos externos: fontes = stack de sistema + monospace.
   ============================================================ */

:root {
  --bg: #04070a;
  --bg2: #081014;
  --ink: #dce8e4;
  --dim: #93a8a1;
  --faint: rgba(220, 232, 228, 0.14);
  --acc: #3ce8c6;
  --acc2: #6ef2a2;
  --acc-rgb: 60, 232, 198;
  --warn: #ff5c7a;
  --line: rgba(60, 232, 198, 0.18);
  --panel: rgba(8, 16, 20, 0.72);

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu,
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;

  --topbar-h: 3.4rem;
}

[data-theme="light"] {
  --bg: #edf2f0;
  --bg2: #ffffff;
  --ink: #14211c;
  --dim: #47605a;
  --faint: rgba(20, 33, 28, 0.14);
  --acc: #0b7d6c;
  --acc2: #1c7a40;
  --acc-rgb: 11, 125, 108;
  --warn: #c81e46;
  --line: rgba(11, 125, 108, 0.26);
  --panel: rgba(255, 255, 255, 0.8);
}

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

html {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
html.pmn-loading { overflow: hidden; }

/* história: viewport fixo — trilho de scroll existe, barra não */
body.pmn-story {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
body.pmn-story::-webkit-scrollbar { display: none; }

body {
  min-height: 100vh;
  background:
    radial-gradient(60rem 40rem at 85% -10%, rgba(var(--acc-rgb), 0.07), transparent 60%),
    radial-gradient(50rem 34rem at -10% 110%, rgba(var(--acc-rgb), 0.05), transparent 60%),
    var(--bg);
  color: var(--ink);
  line-height: 1.5;
  overflow-x: hidden;
}

::selection { background: rgba(var(--acc-rgb), 0.28); }

a { color: var(--acc); }

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

/* ---- canvas de partículas: camada mais ao fundo ---- */
#pmn-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ---- transição pós-loader ---- */
.pmn-app {
  position: relative;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.9s ease;
}
body.pmn-story-on .pmn-app { opacity: 1; }

/* ---- topbar ---- */
.pmn-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 clamp(0.9rem, 3vw, 2rem);
  background: linear-gradient(to bottom, rgba(var(--acc-rgb), 0.05), transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--faint);
}

.pmn-brand {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
}
.pmn-brand-main {
  font: 700 0.88rem/1 var(--font-mono);
  letter-spacing: 0.22em;
  white-space: nowrap;
}
.pmn-brand-sub {
  font: 400 0.62rem/1 var(--font-mono);
  letter-spacing: 0.42em;
  color: var(--acc);
  white-space: nowrap;
}

.pmn-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* seletor de idioma — ao lado do toggle de tema */
.pmn-lang {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.pmn-lang-btn {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--dim);
  font: 600 0.66rem/1 var(--font-mono);
  letter-spacing: 0.14em;
  padding: 0.48rem 0.62rem;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}
.pmn-lang-btn + .pmn-lang-btn { border-left: 1px solid var(--line); }
.pmn-lang-btn:hover { color: var(--ink); }
.pmn-lang-btn[aria-pressed="true"] {
  color: var(--bg);
  background: var(--acc);
}

.pmn-theme-btn {
  appearance: none;
  width: 2.1rem;
  height: 2.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--dim);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.pmn-theme-btn:hover { color: var(--acc); border-color: var(--acc); }
.pmn-theme-btn svg { width: 1.05rem; height: 1.05rem; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
[data-theme="dark"] .ico-sun { display: none; }
[data-theme="light"] .ico-moon { display: none; }

/* util */
.pmn-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---- breakpoints ---- */
/* tablet 768–1199 */
@media (max-width: 1199px) {
  .pmn-brand-main { letter-spacing: 0.16em; }
}
/* mobile <768 */
@media (max-width: 767px) {
  :root { --topbar-h: 3rem; }
  .pmn-brand-main { font-size: 0.76rem; }
  .pmn-brand-sub { display: none; }
}

/* ---- movimento reduzido: mantém fades, corta o resto ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.3s !important;
  }
}