:root {
  --font-serif: "Literata", "Georgia", serif;
  --font-ui: "DM Sans", system-ui, sans-serif;
  --folha-1: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 160'%3E%3Cpath fill='%233d6b4f' fill-opacity='0.08' d='M60 8c-28 40-52 88-48 132 4 28 24 20 38 0 20-28 28-88 10-132z'/%3E%3C/svg%3E");
  --folha-2: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 140'%3E%3Cpath fill='%232a5c40' fill-opacity='0.06' d='M50 4C22 48 8 96 20 128c8 16 28 12 40-4 16-22 12-80-10-120z'/%3E%3C/svg%3E");
}

[data-theme="light"] {
  --bg: #f4f7f2;
  --bg-card: #fafdf8;
  --text: #1e2820;
  --text-muted: #4a5c4e;
  --accent: #2d6a4f;
  --accent-soft: #95c9a8;
  --border: #c8dcc8;
  --shadow: rgba(45, 106, 79, 0.12);
  --link: #1b5e3a;
  --code-bg: #e8f2e8;
}

[data-theme="dark"] {
  --bg: #121a15;
  --bg-card: #1a241c;
  --text: #e6f0e8;
  --text-muted: #9cb0a0;
  --accent: #6bbf8a;
  --accent-soft: #3d5c47;
  --border: #2a3d32;
  --shadow: rgba(0, 0, 0, 0.35);
  --link: #8fd4a8;
  --code-bg: #243028;
}

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

html {
  font-size: clamp(15px, 0.9rem + 0.35vw, 18px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  min-height: 100svh;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  transition: background 0.25s ease, color 0.25s ease;
  overflow-x: clip;
}

body.menu-aberto {
  overflow: hidden;
  overscroll-behavior: none;
}

@media (prefers-reduced-motion: reduce) {
  .painel {
    transition: none;
  }
}

.folhas-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: var(--folha-1), var(--folha-2);
  background-size: 180px 240px, 140px 200px;
  background-position: 8% 12%, 92% 78%;
  background-repeat: no-repeat;
  opacity: 1;
}

@media (max-width: 899px) {
  .folhas-bg {
    background-size: 120px 160px, 100px 140px;
    background-position: 4% 8%, 96% 90%;
  }
}

[data-theme="dark"] .folhas-bg {
  filter: brightness(0.85) saturate(0.9);
}

.topo {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topo-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding-top: max(0.55rem, env(safe-area-inset-top));
  padding-right: max(1rem, env(safe-area-inset-right));
  padding-bottom: 0.55rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-obra {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  font-family: var(--font-ui);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topo-acoes {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.fonte-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  touch-action: manipulation;
  padding: 0.2rem 0;
  min-height: 44px;
}

.fonte-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  user-select: none;
}

.fonte-label.grande {
  font-size: 1rem;
}

#fonteRange {
  width: 5.5rem;
  min-height: 2.75rem;
  accent-color: var(--accent);
  touch-action: pan-y;
}

.btn-menu,
.btn-tema {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 0.65rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  box-shadow: 0 1px 3px var(--shadow);
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  min-height: 44px;
}

.btn-menu:focus-visible,
.btn-tema:focus-visible,
.btn-fechar-drawer:focus-visible,
.lista-caps a:focus-visible,
#fonteRange:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-menu:hover,
.btn-tema:hover {
  border-color: var(--accent-soft);
  background: color-mix(in srgb, var(--bg-card) 85%, var(--accent-soft));
}

.btn-menu:active,
.btn-tema:active {
  transform: scale(0.98);
}

.btn-tema {
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  position: relative;
}

.btn-tema .icone-lua {
  display: none;
}

[data-theme="dark"] .btn-tema .icone-sol {
  display: none;
}

[data-theme="dark"] .btn-tema .icone-lua {
  display: inline;
  font-size: 1.1rem;
}

.layout {
  position: relative;
  z-index: 1;
  max-width: 72rem;
  margin: 0 auto;
  display: block;
  min-height: calc(100dvh - 3.5rem);
}

.painel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(20rem, calc(100vw - max(0.75rem, env(safe-area-inset-left)) - max(0.5rem, env(safe-area-inset-right))));
  max-width: 100%;
  z-index: 30;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: calc(0.5rem + env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom))
    max(1rem, env(safe-area-inset-left));
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  box-shadow: 4px 0 24px var(--shadow);
  transform: translateX(-100%);
  transition: transform 0.28s ease;
  overscroll-behavior: contain;
}

.painel.aberto {
  transform: translateX(0);
}

.btn-fechar-drawer {
  display: none;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 25;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.overlay:not([hidden]) {
  display: block;
}

@media (min-width: 900px) {
  .layout {
    display: grid;
    grid-template-columns: 17rem 1fr;
    gap: 0;
  }

  .btn-menu {
    display: none;
  }

  .painel {
    position: sticky;
    top: 3.25rem;
    height: calc(100dvh - 3.25rem);
    transform: none;
    box-shadow: none;
    padding: 1rem 1rem 2rem;
    border-right: 1px solid var(--border);
  }

  .btn-fechar-drawer {
    display: none !important;
  }

  .overlay {
    display: none !important;
  }
}

.nav-titulo {
  margin: 0 0 0.75rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.lista-caps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.lista-caps li {
  margin-bottom: 0.35rem;
}

.lista-caps a {
  display: block;
  padding: 0.55rem 0.65rem;
  border-radius: 0.5rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.35;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s;
}

.lista-caps a:hover {
  background: color-mix(in srgb, var(--accent-soft) 25%, transparent);
}

.lista-caps a.ativo {
  border-color: var(--accent-soft);
  background: color-mix(in srgb, var(--accent-soft) 18%, var(--bg-card));
  color: var(--accent);
  font-weight: 600;
}

.leitura {
  padding: 1.25rem 1rem 3rem;
}

@media (min-width: 900px) {
  .leitura {
    padding: 1.75rem 2rem 4rem;
  }
}

.artigo {
  max-width: 42rem;
  margin: 0 auto;
  font-family: var(--font-serif);
  font-size: calc(1rem * var(--escala-leitura, 1));
  line-height: 1.75;
  letter-spacing: 0.01em;
}

.artigo h1 {
  font-size: 1.35em;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 1.25rem;
  color: var(--accent);
}

.artigo :is(h2, h3) {
  margin-top: 1.75rem;
  margin-bottom: 0.65rem;
  font-weight: 600;
  color: var(--text);
}

.artigo p {
  margin: 0 0 1rem;
}

.artigo strong {
  color: color-mix(in srgb, var(--text) 92%, var(--accent));
  font-weight: 600;
}

.artigo em {
  font-style: italic;
}

.artigo a {
  color: var(--link);
}

.artigo hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* --- UI do Sistema (LitRPG) --- */
/* Faixa com o texto real [====...], alinhada às linhas tipo [STATUS...] */
.artigo p.sistema-divider {
  margin: 0.65rem 0;
  padding: 0.45rem 0.5rem;
  text-align: center;
  line-height: 1.2;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  border-radius: 0.4rem;
  background: color-mix(in srgb, var(--accent) 6%, var(--bg-card));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--accent) 12%, transparent);
}

[data-theme="dark"] .artigo p.sistema-divider {
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-card));
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--accent) 15%, transparent),
    0 0 18px color-mix(in srgb, var(--accent) 8%, transparent);
}

.artigo .sistema-divider-inner {
  display: block;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.artigo .sistema-divider-inner::-webkit-scrollbar {
  height: 0;
}

.artigo .sistema-divider-text {
  display: inline-block;
  max-width: 100%;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-weight: 600;
  font-size: clamp(0.58rem, 1.45vw + 0.35rem, 0.78rem);
  letter-spacing: 0.14em;
  white-space: nowrap;
  padding: 0.1rem 0.15rem;
  background-image: linear-gradient(
    100deg,
    color-mix(in srgb, var(--accent) 35%, var(--text-muted)),
    var(--accent),
    color-mix(in srgb, var(--accent) 70%, var(--accent-soft)),
    var(--accent),
    color-mix(in srgb, var(--accent) 35%, var(--text-muted))
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--accent) 22%, transparent));
  animation: sistema-bar-glow 6s ease-in-out infinite;
}

@keyframes sistema-bar-glow {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Linhas de painel: [STATUS...], [Missão...], [REGISTRO...], etc. */
.artigo p.sistema-hud {
  margin: 0;
  padding: 0.4rem 0.65rem 0.42rem 0.6rem;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: clamp(0.78rem, 0.35vw + 0.72rem, 0.86em);
  line-height: 1.45;
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 5%, var(--bg-card));
  border-left: 3px solid color-mix(in srgb, var(--accent) 58%, transparent);
  border-right: 1px solid color-mix(in srgb, var(--accent) 12%, var(--border));
}

.artigo p.sistema-hud strong {
  color: inherit;
  font-weight: 600;
}

.artigo p.sistema-hud + p.sistema-hud {
  border-top: 1px solid color-mix(in srgb, var(--accent) 14%, var(--border));
  padding-top: 0.38rem;
}

.artigo p.sistema-divider + p.sistema-hud {
  margin-top: 0;
  border-top-left-radius: 0.35rem;
  border-top-right-radius: 0.35rem;
}

.artigo p.sistema-hud:has(+ p.sistema-divider) {
  border-bottom-left-radius: 0.35rem;
  border-bottom-right-radius: 0.35rem;
}

.artigo p.sistema-hud + p.sistema-divider {
  margin-top: 0.45rem;
}

.artigo p.sistema-divider:has(+ p.sistema-hud) {
  margin-bottom: 0.35rem;
}

[data-theme="dark"] .artigo p.sistema-hud {
  background: color-mix(in srgb, var(--accent) 9%, var(--bg-card));
}

.artigo p.sistema-balao {
  position: relative;
  margin: 1.05rem 0 1.35rem;
  padding: 1rem 1.15rem 1.05rem 1.05rem;
  border-radius: 0.55rem 0.85rem 0.85rem 0.55rem;
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border));
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, var(--bg-card));
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent),
    0 6px 22px var(--shadow);
  font-family: var(--font-ui);
  font-size: 0.93em;
  line-height: 1.62;
  overflow: hidden;
}

.artigo p.sistema-balao::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: repeating-linear-gradient(
    180deg,
    transparent 0,
    transparent 5px,
    color-mix(in srgb, var(--accent) 5%, transparent) 5px,
    color-mix(in srgb, var(--accent) 5%, transparent) 6px
  );
  pointer-events: none;
  opacity: 0.45;
}

[data-theme="dark"] .artigo p.sistema-balao {
  background: color-mix(in srgb, var(--accent) 11%, var(--bg-card));
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent),
    0 0 24px color-mix(in srgb, var(--accent) 12%, transparent),
    0 8px 28px var(--shadow);
}

.artigo p.sistema-balao .sistema-prefix {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 0.88em;
  text-shadow: 0 0 16px color-mix(in srgb, var(--accent) 35%, transparent);
}

.artigo p.sistema-balao strong {
  color: var(--text);
  font-weight: 600;
}

.artigo p.sistema-balao strong .sistema-prefix {
  color: var(--accent);
}

@media (prefers-reduced-motion: reduce) {
  .artigo .sistema-divider-text {
    animation: none;
    background-position: 50% 50%;
  }
}

.placeholder,
.erro {
  font-family: var(--font-ui);
  color: var(--text-muted);
}

.erro {
  color: #b54a4a;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 899px) {
  .nav-caps {
    margin-top: 2.75rem;
  }

  .btn-fechar-drawer {
    display: grid;
    place-items: center;
    position: absolute;
    top: max(0.35rem, env(safe-area-inset-top));
    right: max(0.5rem, env(safe-area-inset-right));
    z-index: 2;
    width: 44px;
    height: 44px;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0.55rem;
    font-size: 1.65rem;
    line-height: 1;
    color: var(--text-muted);
    background: transparent;
    cursor: pointer;
    font-family: var(--font-ui);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .btn-fechar-drawer:active {
    background: color-mix(in srgb, var(--accent-soft) 28%, transparent);
    color: var(--text);
  }

  .lista-caps a {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 0.65rem 0.75rem;
    font-size: 0.95rem;
    line-height: 1.4;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }

  .leitura {
    padding-top: 1rem;
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
    padding-bottom: max(2.75rem, calc(env(safe-area-inset-bottom) + 1.75rem));
  }

  .artigo {
    line-height: 1.82;
    overflow-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
    -webkit-hyphens: auto;
  }

  .artigo h1 {
    font-size: clamp(1.15rem, 4.2vw, 1.35em);
    white-space: normal;
    text-wrap: balance;
  }

  .btn-menu {
    min-width: 44px;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
}

@media (max-width: 520px) {
  html {
    font-size: clamp(16px, 2.85vw + 0.75rem, 18px);
  }

  .topo-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    column-gap: 0.5rem;
    row-gap: 0.5rem;
    align-items: center;
  }

  .topo-acoes {
    display: contents;
  }

  .btn-menu {
    grid-column: 1;
    grid-row: 1;
  }

  .logo-obra {
    grid-column: 2;
    grid-row: 1;
    text-align: center;
    font-size: 0.95rem;
  }

  .btn-tema {
    grid-column: 3;
    grid-row: 1;
  }

  .fonte-wrap {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: center;
    width: 100%;
    max-width: 20rem;
    margin: 0 auto;
    padding-top: 0.15rem;
    border-top: 1px solid var(--border);
  }

  #fonteRange {
    flex: 1;
    max-width: 12rem;
    width: auto;
    min-width: 6rem;
  }
}