/* ==========================================================================
   KEMU — Base
   Reset, tipografia e todo o layout do cromo (shell): sidebar, topbar,
   tabbar, viewport e utilitários.

   Mobile-first: o bloco padrão é o celular (≤767px); tablet e desktop
   sobem por `min-width`. Nenhuma cor literal — só tokens de tokens.css.

   Sumário
     1.  Reset e caixa
     2.  Raiz do documento e escala tipográfica
     3.  Tipografia, links e mídia
     4.  Formulários, foco e seleção
     5.  Esqueleto do app (.app-root / .main / .viewport)
     6.  Scrim (fundo da gaveta)
     7.  Marca (.brand + .brand__mark)
     8.  Sidebar
     9.  Itens de navegação
     10. Cartão promocional "Seja Premium"
     11. Mascote
     12. Topbar
     13. Chips de gamificação
     14. Botões de ícone e botão de usuário
     15. Viewport e animação de entrada
     16. Tab bar (mobile)
     17. Lista de notificações
     18. Herói de level up
     19. Utilitários
     20. Responsivo — tablet (≥768px)
     21. Responsivo — desktop (≥1024px)
     22. Responsivo — desktop largo (≥1440px)
     23. Impressão
   ========================================================================== */


/* ==========================================================================
   1. Reset e caixa
   ========================================================================== */

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

* {
  margin: 0;
  padding: 0;
}

/* Remove marcadores das listas usadas como navegação/estruturas */
ul,
ol {
  list-style: none;
}


/* ==========================================================================
   2. Raiz do documento e escala tipográfica
   ========================================================================== */

html {
  /* `--font-scale` é escrito pelo Shell a partir de settings.fontScale */
  font-size: calc(100% * var(--font-scale, 1));
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
  height: 100%;
}

/* Movimento reduzido: nada de rolagem animada */
html[data-motion="reduced"] {
  scroll-behavior: auto;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  height: 100%;
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  font-weight: var(--fw-regular);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overscroll-behavior-y: none;
  /* Evita qualquer chance de rolagem horizontal em telas estreitas */
  overflow-x: hidden;
  transition: background var(--t-base), color var(--t-base);
}


/* ==========================================================================
   3. Tipografia, links e mídia
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: -0.011em;
  color: var(--text);
}

h1 { font-size: var(--fs-2xl); font-weight: var(--fw-black); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }
h5 { font-size: var(--fs-base); }
h6 { font-size: var(--fs-sm); }

p {
  line-height: var(--lh-base);
}

small {
  font-size: var(--fs-sm);
}

strong, b {
  font-weight: var(--fw-bold);
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

a {
  color: var(--brand-600);
  text-decoration: none;
  transition: color var(--t-fast);
}

a:hover {
  color: var(--brand-700);
}

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: var(--sp-5) 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}


/* ==========================================================================
   4. Formulários, foco e seleção
   ========================================================================== */

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

button {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

button:disabled {
  cursor: not-allowed;
}

textarea {
  resize: vertical;
}

input,
select,
textarea {
  border-radius: var(--r-md);
}

::placeholder {
  color: var(--text-3);
  opacity: 1;
}

/* Foco: invisível no clique, sempre visível no teclado */
:focus {
  outline: none;
}

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

::selection {
  background: var(--brand-200);
  color: var(--brand-900);
}

/* Barras de rolagem discretas (WebKit) */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-2);
  border-radius: var(--r-full);
  border: 3px solid transparent;
  background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-3);
  background-clip: content-box;
}


/* ==========================================================================
   5. Esqueleto do app (.app-root / .main / .viewport)
   ==========================================================================
   `.app-root` ocupa a altura da janela; quem rola é `.viewport`. Assim a
   topbar e a tabbar ficam sempre visíveis sem `position: fixed`.
   -------------------------------------------------------------------------- */

.app-root {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 100%;
  isolation: isolate;
}

@supports (height: 100dvh) {
  .app-root {
    height: 100dvh;
    min-height: 100dvh;
  }
}

.main {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  transition: margin-left var(--t-base);
}

/* Modo 'focus' (quiz) e 'bare' (landing/login) não têm sidebar nem tabbar */
.app-root--focus .sidebar,
.app-root--focus .tabbar,
.app-root--focus .scrim,
.app-root--bare .sidebar,
.app-root--bare .tabbar,
.app-root--bare .scrim {
  display: none;
}

/* Sem sidebar não existe gaveta para abrir */
.app-root--focus .topbar__menu,
.app-root--bare .topbar__menu {
  display: none;
}


/* ==========================================================================
   6. Scrim (fundo escuro da gaveta)
   ========================================================================== */

.scrim {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-sidebar) - 1);
  background: var(--overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-base), visibility var(--t-base);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

.drawer-open .scrim {
  opacity: 1;
  visibility: visible;
}


/* ==========================================================================
   7. Marca (.brand + .brand__mark)
   ==========================================================================
   O selo é um quadrado roxo arredondado com quatro mini-quadrantes 2×2
   (⚛ ? √x 📖), como nos mockups oficiais.
   -------------------------------------------------------------------------- */

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--text);
  text-decoration: none;
  min-width: 0;
}

.brand:hover {
  color: var(--text);
}

.brand__mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  padding: 4px;
  border-radius: 13px;
  background: var(--brand-600);
  background: linear-gradient(145deg, var(--brand-500), var(--brand-700));
  box-shadow: var(--sh-brand);
  transition: transform var(--t-spring), box-shadow var(--t-base);
}

.brand:hover .brand__mark {
  transform: rotate(-4deg) scale(1.04);
}

.brand__quad {
  display: grid;
  place-items: center;
  border-radius: 5px;
  font-size: 9px;
  line-height: 1;
  font-weight: var(--fw-black);
  color: var(--text-inv);
  background: var(--brand-400);
  background: color-mix(in srgb, var(--text-inv) 24%, transparent);
  overflow: hidden;
}

.brand__quad--1 { background: color-mix(in srgb, var(--warning) 78%, var(--text-inv)); }
.brand__quad--2 { background: color-mix(in srgb, var(--brand-300) 82%, var(--text-inv)); }
.brand__quad--3 { background: color-mix(in srgb, var(--info) 74%, var(--text-inv)); }
.brand__quad--4 { background: color-mix(in srgb, var(--danger) 70%, var(--text-inv)); }

.brand__name {
  font-size: var(--fs-xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  color: var(--text);
}

.brand--compact .brand__name {
  display: none;
}


/* ==========================================================================
   8. Sidebar
   ==========================================================================
   Base (mobile/tablet) = gaveta off-canvas. A partir de 1024px vira coluna
   fixa (ver seção 21).
   -------------------------------------------------------------------------- */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: var(--z-sidebar);
  display: flex;
  flex-direction: column;
  width: min(var(--sidebar-w), 82vw);
  padding: var(--sp-4) var(--sp-3);
  padding-top: calc(var(--sp-4) + env(safe-area-inset-top));
  background: var(--surface);
  border-right: 1px solid var(--border);
  box-shadow: var(--sh-lg);
  transform: translateX(-102%);
  transition: transform var(--t-base);
  overflow: hidden auto;
  overscroll-behavior: contain;
}

.drawer-open .sidebar {
  transform: translateX(0);
}

.sidebar__head {
  display: flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-2) var(--sp-5);
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1 1 auto;
}

.sidebar__foot {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding-top: var(--sp-4);
  padding-bottom: env(safe-area-inset-bottom);
}


/* ==========================================================================
   9. Itens de navegação
   ========================================================================== */

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-height: 46px;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-md);
  color: var(--text-2);
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.nav-item:hover {
  background: var(--surface-3);
  color: var(--text);
}

.nav-item:active {
  transform: scale(0.985);
}

.nav-item.is-active {
  background: var(--brand-50);
  color: var(--brand-700);
  font-weight: var(--fw-semi);
}

.nav-item__icon {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--text-3);
  transition: color var(--t-fast);
}

.nav-item:hover .nav-item__icon {
  color: var(--text-2);
}

.nav-item.is-active .nav-item__icon {
  color: var(--brand-600);
}

.nav-item__label {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Indicador vertical do item ativo (à esquerda, como no mockup) */
.nav-item__dot {
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 22px;
  border-radius: var(--r-full);
  background: var(--brand-600);
  transform: translate(-6px, -50%) scaleY(0);
  opacity: 0;
  transition: transform var(--t-base), opacity var(--t-base);
}

.nav-item.is-active .nav-item__dot {
  transform: translate(-6px, -50%) scaleY(1);
  opacity: 1;
}


/* ==========================================================================
   10. Cartão promocional "Seja Premium"
   ========================================================================== */

.promo-card {
  position: relative;
  overflow: hidden;
  padding: var(--sp-5) var(--sp-4) var(--sp-4);
  border-radius: var(--r-xl);
  text-align: center;
  color: var(--text-inv);
  background: var(--brand-600);
  background: linear-gradient(160deg, var(--brand-500), var(--brand-700) 70%, var(--brand-800));
  box-shadow: var(--sh-brand);
}

/* Brilho decorativo no canto superior */
.promo-card::after {
  content: "";
  position: absolute;
  top: -46px;
  right: -34px;
  width: 120px;
  height: 120px;
  border-radius: var(--r-full);
  background: color-mix(in srgb, var(--text-inv) 14%, transparent);
  pointer-events: none;
}

.promo-card[hidden] {
  display: none;
}

.promo-card__crown {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin: 0 auto var(--sp-2);
  border-radius: var(--r-full);
  color: var(--coin);
  background: color-mix(in srgb, var(--text-inv) 18%, transparent);
}

.promo-card__title {
  position: relative;
  display: block;
  font-size: var(--fs-md);
  font-weight: var(--fw-black);
  letter-spacing: -0.01em;
}

.promo-card__text {
  position: relative;
  margin: var(--sp-1) 0 var(--sp-4);
  font-size: var(--fs-sm);
  line-height: var(--lh-snug);
  color: color-mix(in srgb, var(--text-inv) 86%, transparent);
}


/* ==========================================================================
   11. Mascote
   ========================================================================== */

.mascot {
  display: inline-grid;
  place-items: center;
  line-height: 0;
}

.mascot__svg {
  display: block;
  overflow: visible;
  animation: kemu-bob 3.6s ease-in-out infinite;
}

.sidebar__mascot {
  display: flex;
  justify-content: center;
  padding-top: var(--sp-2);
}

@keyframes kemu-bob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-6px) rotate(-2deg); }
}

html[data-motion="reduced"] .mascot__svg {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  .mascot__svg { animation: none; }
}


/* ==========================================================================
   12. Topbar
   ========================================================================== */

.topbar {
  position: relative;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  flex-shrink: 0;
  min-height: var(--topbar-h);
  padding: var(--sp-2) var(--sp-3);
  padding-top: calc(var(--sp-2) + env(safe-area-inset-top));
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar__left {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-width: 0;
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-width: 0;
}

/* Base = mobile: o título da página some, a logo aparece */
.topbar__title {
  display: none;
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: -0.015em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar__chips {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-width: 0;
}

.topbar__brand-mobile {
  display: flex;
  align-items: center;
  min-width: 0;
}

.topbar__brand-mobile .brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  padding: 3px;
}

.topbar__brand-mobile .brand__name {
  font-size: var(--fs-lg);
}

/* Topbar compacta (modo focus / quiz) */
.topbar--compact {
  min-height: 58px;
}

.topbar--compact .topbar__chips .chip--coin {
  display: none;
}


/* ==========================================================================
   13. Chips de gamificação (XP, sequência, moedas, vidas)
   ========================================================================== */

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  height: 36px;
  padding: 0 var(--sp-3);
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  white-space: nowrap;
  box-shadow: var(--sh-xs);
  transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
}

.chip:hover {
  transform: translateY(-1px);
  box-shadow: var(--sh-sm);
  border-color: var(--border-2);
}

.chip:active {
  transform: translateY(0) scale(0.97);
}

.chip__icon {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--text-3);
}

.chip__value {
  font-weight: var(--fw-black);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.chip__suffix {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.chip--xp .chip__icon     { color: var(--xp); }
.chip--streak .chip__icon { color: var(--streak); }
.chip--coin .chip__icon   { color: var(--coin); }
.chip--life .chip__icon   { color: var(--danger); }

.chip--xp     { background: color-mix(in srgb, var(--xp) 6%, var(--surface)); }
.chip--streak { background: color-mix(in srgb, var(--streak) 7%, var(--surface)); }
.chip--coin   { background: color-mix(in srgb, var(--coin) 9%, var(--surface)); }
.chip--life   { background: color-mix(in srgb, var(--danger) 6%, var(--surface)); }

.chip--infinite {
  border-color: var(--brand-200);
}

.chip--infinite .chip__value {
  color: var(--brand-600);
  font-size: var(--fs-md);
}


/* ==========================================================================
   14. Botões de ícone e botão de usuário
   ========================================================================== */

.icon-btn {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--r-full);
  color: var(--text-2);
  background: transparent;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.icon-btn:hover {
  background: var(--surface-3);
  color: var(--text);
}

.icon-btn:active {
  transform: scale(0.93);
}

.icon-btn.has-dot::after {
  content: "";
  position: absolute;
  top: 8px;
  right: 9px;
  width: 8px;
  height: 8px;
  border-radius: var(--r-full);
  background: var(--danger);
  border: 2px solid var(--surface);
}

.userbtn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  max-width: 100%;
  padding: 4px var(--sp-2) 4px 4px;
  border-radius: var(--r-full);
  color: var(--text);
  transition: background var(--t-fast), transform var(--t-fast);
}

.userbtn:hover {
  background: var(--surface-3);
}

.userbtn:active {
  transform: scale(0.98);
}

.userbtn__avatar {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
}

.userbtn__text {
  display: none;
  flex-direction: column;
  align-items: flex-start;
  line-height: var(--lh-tight);
  min-width: 0;
}

.userbtn__name {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 22ch;
}

.userbtn__level {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--text-3);
}

.userbtn__caret {
  display: none;
  color: var(--text-3);
  flex-shrink: 0;
}


/* ==========================================================================
   15. Viewport e animação de entrada
   ========================================================================== */

.viewport {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  padding: var(--sp-4) var(--sp-4) var(--sp-8);
  background: var(--bg);
}

.viewport--focus {
  padding: var(--sp-4) var(--sp-3) var(--sp-9);
}

.viewport--bare {
  padding: 0;
}

/* Conteúdo das telas centralizado dentro do limite de leitura */
.viewport > .screen {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
}

.viewport.is-entering > * {
  animation: kemu-enter var(--t-slow) cubic-bezier(.22, .8, .3, 1) both;
}

@keyframes kemu-enter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

html[data-motion="reduced"] .viewport.is-entering > * {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  .viewport.is-entering > * { animation: none; }
}


/* ==========================================================================
   16. Tab bar (mobile)
   ========================================================================== */

.tabbar {
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  flex-shrink: 0;
  gap: 2px;
  padding: 6px var(--sp-1);
  padding-bottom: calc(6px + env(safe-area-inset-bottom));
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -2px 12px color-mix(in srgb, var(--text) 6%, transparent);
  z-index: var(--z-tabbar);
}

.tab {
  display: flex;
  flex: 1 1 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-width: 0;
  min-height: 52px;
  padding: var(--sp-1) 2px;
  border-radius: var(--r-md);
  color: var(--text-3);
  text-decoration: none;
  transition: color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}

.tab:hover {
  color: var(--text-2);
}

.tab:active {
  transform: scale(0.94);
}

.tab.is-active {
  color: var(--brand-600);
  background: var(--brand-50);
}

.tab .icon {
  transition: transform var(--t-spring);
}

.tab.is-active .icon {
  transform: translateY(-1px) scale(1.06);
}

.tab__label {
  font-size: 10px;
  font-weight: var(--fw-semi);
  line-height: 1.1;
  letter-spacing: -0.01em;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* ==========================================================================
   17. Lista de notificações (usada no modal do sino)
   ========================================================================== */

.notif-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: var(--sp-2);
}

.notif {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--r-lg);
  background: var(--surface-2);
  border: 1px solid var(--border);
  transition: background var(--t-fast);
}

.notif:hover {
  background: var(--surface-3);
}

.notif__emoji {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  font-size: var(--fs-md);
  border-radius: var(--r-full);
  background: var(--surface);
  border: 1px solid var(--border);
}

.notif strong {
  display: block;
  font-size: var(--fs-base);
  line-height: var(--lh-snug);
}

.notif p {
  margin-top: 2px;
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: var(--lh-snug);
}


/* ==========================================================================
   18. Herói de level up
   ========================================================================== */

.levelup-hero {
  position: relative;
  display: grid;
  place-items: center;
  padding: var(--sp-7) 0 var(--sp-4);
}

.levelup-hero__ring {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  border-radius: var(--r-full);
  color: var(--text-inv);
  background: var(--brand-600);
  background: conic-gradient(from 210deg, var(--brand-400), var(--brand-700), var(--coin), var(--brand-400));
  box-shadow: var(--sh-brand);
  animation: kemu-levelup-spin 6s linear infinite;
}

.levelup-hero__ring span {
  display: grid;
  place-items: center;
  width: 88px;
  height: 88px;
  border-radius: var(--r-full);
  background: var(--brand-700);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.03em;
  animation: kemu-levelup-spin 6s linear infinite reverse;
}

.levelup-hero__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 210px;
  height: 210px;
  transform: translate(-50%, -50%);
  border-radius: var(--r-full);
  background: radial-gradient(circle,
    color-mix(in srgb, var(--brand-500) 34%, transparent) 0%,
    transparent 68%);
  animation: kemu-pulse 2.4s ease-in-out infinite;
  pointer-events: none;
}

.levelup-reward {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  margin: var(--sp-2) auto 0;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-full);
  background: var(--warning-b);
  color: var(--coin-d);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
}

@keyframes kemu-levelup-spin {
  to { transform: rotate(360deg); }
}

@keyframes kemu-pulse {
  0%, 100% { opacity: .65; transform: translate(-50%, -50%) scale(1); }
  50%      { opacity: 1;   transform: translate(-50%, -50%) scale(1.1); }
}

html[data-motion="reduced"] .levelup-hero__ring,
html[data-motion="reduced"] .levelup-hero__ring span,
html[data-motion="reduced"] .levelup-hero__glow {
  animation: none;
}


/* ==========================================================================
   19. Utilitários
   ========================================================================== */

.screen {
  display: block;
  width: 100%;
  min-width: 0;
}

.pad {
  padding: var(--sp-4);
}

.row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--gap, var(--sp-3));
  min-width: 0;
}

.row--wrap { flex-wrap: wrap; }
.row--top  { align-items: flex-start; }
.row--between { justify-content: space-between; }

.col {
  display: flex;
  flex-direction: column;
  gap: var(--gap, var(--sp-2));
  min-width: 0;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--gap, var(--sp-4));
  min-width: 0;
}

.grid {
  display: grid;
  gap: var(--gap, var(--sp-4));
  grid-template-columns: repeat(auto-fill, minmax(var(--min, 220px), 1fr));
}

.grid--sm { --min: 150px; }
.grid--lg { --min: 300px; }

.spacer {
  flex: 1 1 auto;
  min-width: 0;
}

.muted {
  color: var(--text-2);
  font-size: var(--fs-sm);
  line-height: var(--lh-snug);
}

.truncate {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.no-scroll {
  overflow: hidden;
  touch-action: none;
}

body.has-modal {
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

[hidden] {
  display: none;
}


/* ==========================================================================
   20. Responsivo — tablet (≥768px)
   ==========================================================================
   Sidebar continua como gaveta; a tabbar sai de cena e a topbar volta ao
   formato completo (título + nome do usuário).
   -------------------------------------------------------------------------- */

@media (min-width: 768px) {
  .topbar {
    min-height: var(--topbar-h);
    padding: var(--sp-2) var(--sp-5);
    gap: var(--sp-4);
  }

  .topbar__left {
    gap: var(--sp-3);
  }

  .topbar__right {
    gap: var(--sp-3);
  }

  .topbar__title {
    display: block;
  }

  .topbar__brand-mobile {
    display: none;
  }

  .topbar--compact .topbar__brand-mobile {
    display: flex;
  }

  .topbar--compact .topbar__title {
    display: none;
  }

  .topbar--compact .topbar__chips .chip--coin {
    display: inline-flex;
  }

  .userbtn__text {
    display: flex;
  }

  .userbtn__caret {
    display: block;
  }

  .tabbar {
    display: none;
  }

  .viewport {
    padding: var(--sp-6) var(--sp-6) var(--sp-9);
  }

  .viewport--focus {
    padding: var(--sp-6) var(--sp-5) var(--sp-9);
  }

  .grid {
    --min: 240px;
  }
}


/* ==========================================================================
   21. Responsivo — desktop (≥1024px)
   ==========================================================================
   Sidebar fixa, `.main` deslocado, botão de menu e scrim fora do caminho.
   -------------------------------------------------------------------------- */

@media (min-width: 1024px) {
  .sidebar {
    width: var(--sidebar-w);
    transform: none;
    box-shadow: none;
    padding: var(--sp-5) var(--sp-4);
  }

  .app-root--app .main {
    margin-left: var(--sidebar-w);
  }

  .scrim {
    display: none;
  }

  .topbar__menu {
    display: none;
  }

  .topbar {
    padding: var(--sp-3) var(--sp-7);
  }

  .viewport {
    padding: var(--sp-7) var(--sp-7) var(--sp-10);
  }

  .viewport--focus {
    padding: var(--sp-7) var(--sp-6) var(--sp-10);
  }

  .topbar--compact .topbar__brand-mobile {
    display: flex;
  }

  .nav-item {
    min-height: 48px;
    padding: var(--sp-2) var(--sp-4);
  }
}


/* ==========================================================================
   22. Responsivo — desktop largo (≥1440px)
   ========================================================================== */

@media (min-width: 1440px) {
  .viewport {
    padding-left: var(--sp-8);
    padding-right: var(--sp-8);
  }

  .topbar {
    padding-left: var(--sp-8);
    padding-right: var(--sp-8);
  }
}


/* ==========================================================================
   23. Telas estreitas (≤480px) — folga extra na topbar
   ========================================================================== */

@media (max-width: 480px) {
  .topbar__chips .chip--life,
  .topbar__chips .chip--coin {
    display: none;
  }

  .chip {
    padding: 0 var(--sp-2);
  }

  .topbar__brand-mobile .brand__name {
    display: none;
  }

  .viewport {
    padding-left: var(--sp-3);
    padding-right: var(--sp-3);
  }
}

/* Sufixos dos chips só aparecem quando há espaço */
@media (max-width: 767px) {
  .chip__suffix {
    display: none;
  }

  .chip {
    height: 34px;
  }
}


/* ==========================================================================
   24. Impressão — esconde o cromo, mantém o conteúdo
   ========================================================================== */

@media print {
  html,
  body,
  .app-root,
  .main,
  .viewport {
    height: auto;
    min-height: 0;
    overflow: visible;
    background: var(--surface);
    color: var(--text);
  }

  .sidebar,
  .scrim,
  .topbar,
  .tabbar,
  .toast-layer,
  .modal-layer,
  .fx-layer,
  .icon-btn,
  .userbtn,
  .promo-card {
    display: none;
  }

  .app-root--app .main {
    margin-left: 0;
  }

  .viewport {
    padding: 0;
  }

  .viewport.is-entering > * {
    animation: none;
  }

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