/* ============================================================
   Landing + Study mode specific styles
   ============================================================ */

/* -----------------------------------------------------------
   LANDING PAGE
   ----------------------------------------------------------- */
.landing {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  background: var(--ink);
}

.landing__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 8vw 80px 7vw;
  position: relative;
  z-index: 2;
}

.landing__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}
.landing__eyebrow::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--ouro);
}

.landing__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(56px, 8vw, 116px);
  line-height: 0.95;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--marfim);
  margin: 0 0 12px;
}
.landing__title .star {
  color: var(--ouro);
  font-family: var(--font-ornate);
  font-style: normal;
  display: inline-block;
  transform: translateY(-0.04em);
}

.landing__script {
  font-family: var(--font-script);
  font-size: clamp(28px, 3.6vw, 44px);
  color: var(--ouro-pale);
  margin: -6px 0 24px;
  letter-spacing: 0;
}

.landing__lead {
  font-family: var(--font-serif);
  font-size: 20px;
  font-style: italic;
  color: var(--fg-2);
  max-width: 44ch;
  line-height: 1.55;
  margin: 0 0 44px;
}

.landing__rule {
  width: 220px;
  height: 1px;
  background: linear-gradient(90deg, var(--ouro), transparent);
  margin: 0 0 36px;
}

.landing__actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.landing__meta {
  position: absolute;
  bottom: 36px;
  left: 7vw;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--fg-3);
  display: flex;
  gap: 22px;
}
.landing__meta .dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--ouro); display: inline-block;
  align-self: center; margin-right: 6px;
}

.landing__art {
  position: relative;
  overflow: hidden;
  background: var(--noir);
}
.landing__art::before {
  /* gold vignette frame */
  content: "";
  position: absolute;
  inset: 30px;
  border: 1px solid var(--line);
  pointer-events: none;
  z-index: 2;
}
.landing__art::after {
  /* outer dark vignette */
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 80% at 50% 50%, transparent 30%, rgba(11,8,5,0.7) 90%),
    linear-gradient(180deg, rgba(11,8,5,0.2), rgba(11,8,5,0.55));
  pointer-events: none;
  z-index: 1;
}
.landing__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* a foto fica como pano de fundo claro para os neurônios interativos saltarem */
  filter: saturate(1.05) contrast(1.02);
  opacity: 0.96;
  transform: scale(1.02);
}

/* -----------------------------------------------------------
   NEURON FIELD — neurônios azuis arrastáveis sobre a foto
   ----------------------------------------------------------- */
.neuron-field {
  position: absolute;
  inset: 30px;            /* casa com a moldura interna (.landing__art::before) */
  z-index: 3;
  touch-action: none;     /* o arrasto não rola a página no toque */
}
@media (max-width: 900px) { .neuron-field { inset: 16px; } }

.neuron-field__links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;   /* só os nós capturam o ponteiro */
}
.neuron-field__link {
  stroke: var(--accent);
  stroke-width: 1.2;
  opacity: 0.35;
  stroke-linecap: round;
  stroke-dasharray: 4 6;
  animation: synapseFlow 2.4s linear infinite;
  transition: opacity var(--dur) var(--ease-out), stroke-width var(--dur) var(--ease-out);
}
.neuron-field__link.is-lit {
  opacity: 0.85;
  stroke-width: 2;
}
@keyframes synapseFlow {
  to { stroke-dashoffset: -20; }
}

.neuron-node {
  position: absolute;
  width: calc(var(--r) * 2);
  height: calc(var(--r) * 2);
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  transform: translate(-50%, -50%);
  cursor: grab;
  touch-action: none;
  display: grid;
  place-items: center;
  color: var(--accent);
  transition: transform 120ms var(--ease-out);
}
.neuron-node:active,
.neuron-node.is-active { cursor: grabbing; }
.neuron-node.is-active { z-index: 5; }

/* respiração suave quando ocioso */
.neuron-node:not(.is-active) { animation: neuronFloat 6s ease-in-out infinite; }
.neuron-node:nth-child(odd):not(.is-active) { animation-duration: 7.5s; }
@keyframes neuronFloat {
  0%, 100% { transform: translate(-50%, -50%); }
  50%      { transform: translate(-50%, calc(-50% - 5px)); }
}

.neuron-node__glow {
  position: absolute;
  inset: -30%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46,106,160,0.45) 0%, rgba(46,106,160,0) 68%);
  opacity: 0.7;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  pointer-events: none;
}
.neuron-node__core {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 6px rgba(22,34,47,0.25));
  transition: transform 160ms var(--ease-out);
}
.neuron-node:hover .neuron-node__glow,
.neuron-node.is-active .neuron-node__glow {
  opacity: 1;
  transform: scale(1.15);
}
.neuron-node:hover .neuron-node__core { transform: scale(1.12); }
.neuron-node.is-active .neuron-node__core { transform: scale(1.22); }

.neuron-field__hint {
  position: absolute;
  bottom: 0;
  left: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.8;
  pointer-events: none;
  text-shadow: 0 1px 3px rgba(255,255,255,0.7);
}

/* Revelação escalonada do conteúdo da landing */
.landing__copy > * {
  animation: riseIn 640ms var(--ease-out) backwards;
}
.landing__copy > *:nth-child(1) { animation-delay: 60ms; }
.landing__copy > *:nth-child(2) { animation-delay: 140ms; }
.landing__copy > *:nth-child(3) { animation-delay: 220ms; }
.landing__copy > *:nth-child(4) { animation-delay: 300ms; }
.landing__copy > *:nth-child(5) { animation-delay: 380ms; }
.landing__copy > *:nth-child(6) { animation-delay: 460ms; }
.landing__copy > *:nth-child(7) { animation-delay: 560ms; }
@keyframes riseIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

.landing__art-tag {
  position: absolute;
  bottom: 50px;
  right: 50px;
  z-index: 3;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ouro-pale);
  line-height: 1.7;
}
.landing__art-tag .lat {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--marfim);
  display: block;
  margin-top: 4px;
}

/* (regras mobile da landing ficam no bloco @media 900px no fim do arquivo) */

/* -----------------------------------------------------------
   HOME (after landing) — 3 main paths
   ----------------------------------------------------------- */
.home-hero {
  text-align: center;
  padding: 26px 0 22px;
}
.home-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--marfim);
  margin: 14px 0 18px;
  font-weight: 600;
}
.home-hero p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  color: var(--fg-2);
  max-width: 56ch;
  margin: 0 auto;
  line-height: 1.55;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}
.path-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
/* 6 caminhos → 2 fileiras de 3 no desktop, 2 colunas no tablet, 1 no celular. */
.path-grid--6 {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 1100px) {
  .path-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .path-grid--6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .path-grid { grid-template-columns: 1fr; }
  .path-grid--4 { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .path-grid--6 { grid-template-columns: repeat(2, 1fr); gap: 18px; }
}
@media (max-width: 540px) {
  .path-grid--4 { grid-template-columns: 1fr; }
  .path-grid--6 { grid-template-columns: 1fr; }
}

.path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 44px 32px 36px;
  min-height: 340px;
  text-align: left;
  color: inherit;
  font-family: inherit;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out);
}
.path-card:hover {
  border-color: var(--ouro);
  background: var(--ink-3);
}
.path-card::before {
  /* top hairline glow */
  content: "";
  position: absolute;
  top: 0; left: 16%; right: 16%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ouro), transparent);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
.path-card:hover::before { opacity: 1; }

/* Entrada escalonada + spotlight seguindo o cursor */
.path-card {
  animation: cardIn 520ms var(--ease-out) backwards;
  animation-delay: calc(var(--i, 0) * 90ms);
  transition: border-color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out);
}
.path-card:hover { transform: translateY(-4px); }
.path-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%),
    rgba(46, 106, 160, 0.10), transparent 65%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}
.path-card:hover::after { opacity: 1; }
.path-card__glyph { transition: transform var(--dur-slow) var(--ease-out); }
.path-card:hover .path-card__glyph { transform: translateY(-3px) scale(1.05); }

.path-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--accent);
  margin-bottom: 14px;
}
.path-card__glyph {
  margin: 10px 0 28px;
  color: var(--ouro);
  width: 60px;
  height: 60px;
}
.path-card__title {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--marfim);
  margin: 0 0 14px;
  font-weight: 600;
  line-height: 1.15;
}
.path-card__desc {
  font-family: var(--font-serif);
  font-size: 16px;
  font-style: italic;
  color: var(--fg-3);
  line-height: 1.6;
  margin: 0 0 24px;
}
.path-card__cta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-smallcaps);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-pale);
}
.path-card__cta .arrow {
  display: inline-block;
  transition: transform var(--dur) var(--ease-out);
}
.path-card:hover .path-card__cta .arrow { transform: translateX(6px); }

/* -----------------------------------------------------------
   PATHFLOW — "o caminho como sinapse": coverflow horizontal dos
   6 caminhos, com trilha-axônio de marcos I–VI abaixo.
   ----------------------------------------------------------- */
.pathflow {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 18px;
}

/* deck = palco + setas flutuando sobre as bordas (libera a largura toda p/ o card) */
.pathflow__deck {
  position: relative;
}

/* --- palco coverflow --- */
.pathflow__stage {
  position: relative;
  width: 100%;
  height: clamp(344px, 44vh, 424px);
  perspective: 1600px;
  overflow: hidden;               /* recorta o excesso dos vizinhos, sem rolagem lateral */
  outline: none;
  cursor: grab;
  touch-action: pan-y;            /* deslize horizontal move o carrossel; vertical rola a página */
}
.pathflow__stage:active { cursor: grabbing; }
.pathflow__stage:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); border-radius: 6px; }

.pathflow__card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(432px, 84vw);
  /* transform, opacity, filter e z-index vêm do JS (pathCardStyle) */
  transform-style: preserve-3d;
  will-change: transform, opacity;
  transition: transform 560ms cubic-bezier(0.2, 0.7, 0.2, 1),
              opacity 420ms var(--ease-out),
              filter 420ms var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out);
  display: flex;
  flex-direction: column;
  text-align: left;
  padding: 42px 34px 34px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: var(--shadow-1);
  cursor: pointer;
  overflow: hidden;
}
/* fio superior + brilho, só no card aceso */
.pathflow__card::before {
  content: "";
  position: absolute;
  top: 0; left: 14%; right: 14%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
.pathflow__card.is-active {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-3);
}
.pathflow__card.is-active::before { opacity: 1; }

/* nó-neurônio que "dispara" no card ativo */
.pathflow__node {
  position: absolute;
  top: 20px; right: 22px;
  color: var(--fg-3);
  opacity: 0.4;
  transition: color var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
}
.pathflow__card.is-active .pathflow__node {
  color: var(--accent);
  opacity: 1;
  filter: drop-shadow(0 0 8px rgba(46, 106, 160, 0.5));
  animation: nodePulse 2.6s var(--ease-in-out) infinite;
}
@keyframes nodePulse {
  0%, 100% { transform: scale(1);    opacity: 0.9; }
  50%      { transform: scale(1.14); opacity: 1; }
}

/* o card ativo ganha um pouco mais de respiro e move a seta do CTA */
.pathflow__card.is-active .path-card__desc { color: var(--fg-2); }
.pathflow__card.is-active .path-card__cta { color: var(--accent); }
.pathflow__card.is-active:hover .path-card__cta .arrow { transform: translateX(6px); }
.pathflow__card.is-active:hover { transform: translate(-50%, -50%) scale(1.03) !important; }

/* --- setas: flutuam sobre as bordas do palco --- */
.pathflow__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--ink-2);
  border: 1px solid var(--line);
  color: var(--fg-2);
  cursor: pointer;
  box-shadow: var(--shadow-2);
  transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
}
.pathflow__arrow--prev { left: clamp(-6px, 0vw, 6px); }
.pathflow__arrow--next { right: clamp(-6px, 0vw, 6px); }
.pathflow__arrow:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(calc(-50% - 2px));
  box-shadow: var(--shadow-3);
}
.pathflow__arrow:active:not(:disabled) { transform: translateY(-50%); }
.pathflow__arrow:disabled { opacity: 0.28; cursor: not-allowed; }

/* --- trilha-axônio (marcos + legenda) --- */
.pathflow__rail {
  grid-area: rail;
  position: relative;
  display: flex;
  justify-content: center;
  gap: clamp(6px, 3vw, 44px);
  padding: 8px 6px 2px;
}
.pathflow__axon {
  position: absolute;
  top: 15px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 20%, var(--line-strong) 80%, transparent);
  pointer-events: none;
}
.pathflow__stop {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 4px 4px 2px;
  background: transparent;
  border: 0;
  cursor: pointer;
  min-width: 44px;
}
.pathflow__stop-node {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--line-strong);
  transition: all var(--dur) var(--ease-out);
}
.pathflow__stop:hover .pathflow__stop-node { border-color: var(--accent); }
.pathflow__stop.is-active .pathflow__stop-node {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(46, 106, 160, 0.14), 0 0 12px rgba(46, 106, 160, 0.5);
}
.pathflow__stop-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fg-3);
  transition: color var(--dur) var(--ease-out);
}
.pathflow__stop.is-active .pathflow__stop-num { color: var(--accent); }
.pathflow__stop-label {
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
  white-space: nowrap;
  transition: color var(--dur) var(--ease-out);
}
.pathflow__stop:hover .pathflow__stop-label { color: var(--fg-2); }
.pathflow__stop.is-active .pathflow__stop-label { color: var(--marfim); }

/* --- dica --- */
.pathflow__hint {
  grid-area: hint;
  justify-self: center;
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--fg-3);
  text-align: center;
}
.pathflow__hint kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--fg-2);
  background: var(--ink-2);
}

@media (max-width: 640px) {
  .pathflow { gap: 16px; }
  /* No celular a navegação é por deslize + toque nos marcos; as setas sairiam
     por cima do card (largura ~= palco), então saem de cena. */
  .pathflow__arrow { display: none; }
  .pathflow__card { width: min(432px, 86vw); padding: 32px 24px 26px; }
  .pathflow__rail { gap: 4px; }
  .pathflow__stop { min-width: 0; }
  .pathflow__stop-label { display: none; }   /* no celular, só nós + numerais */
  .pathflow__axon { top: 15px; left: 6%; right: 6%; }
  .pathflow__hint-kb { display: none; }       /* sem teclado no celular */
}

@media (prefers-reduced-motion: reduce) {
  .pathflow__card { transition: opacity 200ms linear, filter 200ms linear; }
  .pathflow__card.is-active .pathflow__node { animation: none; }
  .pathflow__card.is-active:hover { transform: translate(-50%, -50%) !important; }
}

/* -----------------------------------------------------------
   STUDY MODE — the flashcard itself
   ----------------------------------------------------------- */
.study {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px clamp(24px, 4vw, 64px) 32px;
  max-width: 1500px;
  width: 100%;
  margin: 0 auto;
  /* ALTURA LIMITADA à viewport (menos a topbar ~70px) para que o card possa
     ser limitado e o corpo role internamente. Antes era só min-height, então a
     página crescia com o conteúdo e o texto longo vazava para fora do card. */
  height: calc(100vh - 70px);
  height: calc(100dvh - 70px);
  min-height: 480px;             /* piso: em janelas muito baixas a página rola */
  perspective: 1400px; /* dá profundidade ao tilt do flashcard */
}

.study__head {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.study__deckname {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--marfim);
  font-weight: 600;
}
.study__counter {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent-pale);
}
/* Contador clicável — abre o campo "ir para carta" */
.study__counter--btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  padding: 6px 10px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out);
}
.study__counter--btn:hover {
  border-color: var(--line-strong);
  background: rgba(46, 106, 160, 0.06);
}
.study__counter--editing {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 0;
}
.study__counter-input {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--marfim);
  background: var(--ink-2);
  border: 1px solid var(--accent);
  border-radius: 2px;
  width: 5ch;
  padding: 4px 6px;
  text-align: center;
  outline: none;
}

.study__progress {
  width: 100%;
  height: 1px;
  background: var(--ink-3);
  position: relative;
  margin-bottom: 24px;
}
.study__progress-bar {
  position: absolute;
  top: 0; left: 0; height: 100%;
  background: var(--ouro);
  transition: width var(--dur-slow) var(--ease-out);
}

.flashcard {
  width: 100%;
  perspective: 1800px;
  margin-bottom: 20px;
  flex: 1 1 auto;     /* cresce para ocupar quase toda a tela */
  display: flex;
  min-height: 0;      /* deixa encolher abaixo do conteúdo → o corpo rola */
  /* Tilt 3D sutil acompanhando o cursor (--tilt-* via JS) */
  transform: rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transition: transform 320ms var(--ease-out);
  will-change: transform;
}
.flashcard__inner {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 0;      /* limitado pela altura da .study → face fixa, corpo rola */
  transform-style: preserve-3d;
  transition: transform 600ms var(--ease-in-out);
}
.flashcard.is-flipped .flashcard__inner {
  transform: rotateY(180deg);
}
.flashcard__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  padding: 56px 56px;
  background: var(--pergaminho);
  color: var(--fg-on-paper);
  border-radius: 6px;
  border: 1px solid var(--line-paper);
  overflow: hidden;            /* nada escapa da caixa */
  box-shadow:
    0 1px 0 rgba(255,225,170,0.08) inset,
    0 40px 80px -24px rgba(0,0,0,0.75),
    0 12px 32px rgba(0,0,0,0.45);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: center;
  background-image:
    radial-gradient(140% 90% at 50% 50%,
      transparent 40%, rgba(58,46,35,0.16) 100%),
    var(--pergaminho);
}

/* Zona central rolável — mantém imagem + texto SEMPRE dentro da caixa.
   "safe center" centraliza quando cabe e alinha ao topo (rolável) quando
   o conteúdo é maior que o card, evitando corte e sobreposição. */
.flashcard__body {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: safe center;
  gap: 24px;
  overflow-y: auto;
  overflow-x: hidden;
  text-align: center;
  scrollbar-width: thin;
  scrollbar-color: rgba(58,46,35,0.35) transparent;
}
.flashcard__body::-webkit-scrollbar { width: 8px; }
.flashcard__body::-webkit-scrollbar-thumb {
  background: rgba(58,46,35,0.3);
  border-radius: 4px;
}
.flashcard__face--back {
  transform: rotateY(180deg);
  background-image:
    radial-gradient(140% 90% at 50% 50%,
      transparent 40%, rgba(58,46,35,0.16) 100%),
    var(--pergaminho-2);
}

/* paper inner border */
.flashcard__face::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(58,46,35,0.22);
  pointer-events: none;
  border-radius: 2px;
}

.flashcard__tag {
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--tabaco-3);
  opacity: 0.7;
}
.flashcard__tag::before, .flashcard__tag::after {
  content: "❦";
  font-family: var(--font-ornate);
  color: var(--ouro-deep);
  margin: 0 12px;
  font-size: 10px;
  vertical-align: 1px;
}

.flashcard__content {
  font-family: var(--font-serif);
  /* Tamanho-base; o ajuste fino por comprimento vem de --fit-scale (JS). */
  font-size: calc(clamp(24px, 2.7vw, 42px) * var(--fit-scale, 1));
  line-height: 1.4;
  color: var(--noir);
  /* width:100% + max-width dá a MEDIDA de leitura no desktop e evita que o
     texto (antes só limitado a 64ch) fique mais largo que o card e seja
     cortado na horizontal no celular. */
  width: 100%;
  max-width: 64ch;
  margin-inline: auto;
  font-weight: 400;
  text-wrap: pretty;
  overflow-wrap: anywhere;   /* quebra termos longuíssimos em vez de vazar */
  hyphens: auto;
}
.flashcard__face--back .flashcard__content {
  font-size: calc(clamp(22px, 2.4vw, 34px) * var(--fit-scale, 1));
  font-style: italic;
  color: var(--tabaco-3);
}

.flashcard__img {
  max-width: 100%;
  max-height: min(46vh, 480px);
  width: auto;
  flex-shrink: 0;
  margin-bottom: 0;
  border-radius: 4px;
  border: 1px solid rgba(58,46,35,0.28);
  box-shadow: 0 8px 36px rgba(0,0,0,0.28), 0 2px 8px rgba(0,0,0,0.18);
  filter: sepia(0.08) contrast(1.06);
  object-fit: contain;
}

/* Aviso quando a imagem não pôde ser decodificada pelo navegador */
.flashcard__img-fail {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  padding: 22px 28px;
  border: 1px dashed var(--line-strong);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-3);
  max-width: 48ch;
}
.flashcard__img-fail span {
  font-size: 10px;
  opacity: 0.75;
}

.flashcard__footnum {
  position: absolute;
  bottom: 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--tabaco-3);
  opacity: 0.7;
}

.study__controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 16px;
}
.study__nav-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg-2);
  font-family: var(--font-smallcaps);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  padding: 14px 22px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--dur) var(--ease-out);
}
.study__nav-btn:hover:not(:disabled) {
  border-color: var(--ouro);
  color: var(--accent-pale);
}
.study__nav-btn:disabled { opacity: 0.25; cursor: not-allowed; }

.study__flip-btn {
  background: var(--ouro);
  color: var(--noir);
  border: 1px solid var(--ouro);
  font-family: var(--font-smallcaps);
  font-size: 13px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 14px 34px;
  border-radius: 2px;
  transition: all var(--dur) var(--ease-out);
  box-shadow: 0 0 22px rgba(200,166,99,0.18);
}
.study__flip-btn:hover {
  background: var(--ouro-pale);
  border-color: var(--ouro-pale);
}

.study__done {
  text-align: center;
  padding: 60px 30px;
  margin-top: 40px;
}
.study__done .glyph {
  font-family: var(--font-ornate);
  color: var(--ouro);
  font-size: 56px;
  margin-bottom: 20px;
}
.study__done h2 {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.08em;
  color: var(--marfim);
  margin: 0 0 14px;
}
.study__done p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--fg-2);
  margin: 0 0 30px;
}

/* -----------------------------------------------------------
   CREATE/EDIT mode — card editor list
   ----------------------------------------------------------- */
.card-editor-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 28px;
}

.card-editor {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px 24px 24px;
  display: grid;
  grid-template-columns: auto 1fr 1fr auto;
  gap: 20px;
  align-items: start;
}
.card-editor__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent-pale);
  padding-top: 14px;
  min-width: 28px;
}
.card-editor .field { margin-bottom: 0; }
.card-editor__del {
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg-3);
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 2px;
  transition: color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out);
  font-size: 18px;
  line-height: 1;
}
.card-editor__del:hover {
  color: var(--rubi);
  border-color: rgba(138,37,48,0.4);
}
/* (regras mobile do card-editor ficam no bloco @media 760px no fim do arquivo) */

/* -----------------------------------------------------------
   IMPORT — dropzone
   ----------------------------------------------------------- */
.dropzone {
  border: 1px dashed var(--line-strong);
  border-radius: 4px;
  padding: 80px 40px;
  text-align: center;
  background: var(--ink-2);
  transition: border-color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out);
  position: relative;
}
.dropzone.is-drag {
  border-color: var(--ouro);
  background: var(--ink-3);
}
.dropzone__glyph {
  font-family: var(--font-ornate);
  font-size: 48px;
  color: var(--ouro);
  margin-bottom: 18px;
}
.dropzone__title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.12em;
  color: var(--marfim);
  margin: 0 0 12px;
}
.dropzone__desc {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--fg-3);
  max-width: 48ch;
  margin: 0 auto 28px;
}
.dropzone input[type=file] {
  display: none;
}

.import-result {
  margin-top: 32px;
  padding: 28px 30px;
  background: var(--ink-2);
  border: 1px solid var(--ouro);
  border-radius: 4px;
}
.import-result h3 {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--accent-pale);
  margin: 0 0 8px;
}
.import-result p {
  margin: 0 0 22px;
  color: var(--fg-2);
  font-style: italic;
}
/* Aviso de imagens ausentes do .apkg (deck exportado sem mídia) */
.import-warn {
  margin: 18px 0 0;
  padding: 16px 18px;
  background: rgba(214, 158, 46, 0.10);
  border: 1px solid rgba(214, 158, 46, 0.45);
  border-radius: 3px;
  color: var(--marfim);
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.55;
  white-space: pre-line;
}

.import-diag {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--fg-3);
  word-break: break-word;
  font-style: normal;
}

.import-error {
  margin-top: 24px;
  padding: 16px 20px;
  background: rgba(138,37,48,0.08);
  border: 1px solid rgba(138,37,48,0.4);
  color: var(--rubi);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  border-radius: 2px;
}

/* -----------------------------------------------------------
   CARD IMAGE — upload section in editor
   ----------------------------------------------------------- */
.card-img-section {
  margin-top: 10px;
}
.card-img-add {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  background: transparent;
  border: 1px dashed var(--line-strong);
  border-radius: 2px;
  color: var(--fg-3);
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
.card-img-add:hover {
  border-color: var(--ouro);
  color: var(--accent-pale);
}
.card-img-preview {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.card-img-thumb {
  max-height: 72px;
  max-width: 140px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 2px;
  filter: opacity(0.85);
}
.card-img-remove {
  background: transparent;
  border: 1px solid rgba(138,37,48,0.35);
  color: var(--rubi);
  font-family: var(--font-smallcaps);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
}
.card-img-remove:hover {
  background: rgba(138,37,48,0.1);
  border-color: var(--rubi);
}

/* -----------------------------------------------------------
   SHUFFLE TOGGLE — Anki mode button
   ----------------------------------------------------------- */
.shuffle-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--fg-3);
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 8px 14px;
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
  white-space: nowrap;
}
.shuffle-toggle:hover {
  border-color: var(--ouro);
  color: var(--accent-pale);
}
.shuffle-toggle.is-on {
  background: rgba(200, 166, 99, 0.12);
  border-color: var(--ouro);
  color: var(--ouro-pale);
}

/* -----------------------------------------------------------
   DIFFICULTY BAR — Anki easy/good/hard rating
   ----------------------------------------------------------- */
.difficulty-bar {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 8px 0 20px;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.difficulty-bar.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.difficulty-bar__label {
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.difficulty-bar__buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.difficulty-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 22px;
  border-radius: 2px;
  border: 1px solid transparent;
  font-family: var(--font-smallcaps);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
  min-width: 88px;
}
.difficulty-btn__key {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0;
  opacity: 0.6;
  font-weight: 400;
}
.difficulty-btn--hard {
  background: rgba(138, 37, 48, 0.10);
  border-color: rgba(138, 37, 48, 0.45);
  color: #D46070;
}
.difficulty-btn--hard:hover {
  background: rgba(138, 37, 48, 0.20);
  border-color: #D46070;
  color: #F08090;
}
.difficulty-btn--good {
  background: rgba(200, 166, 99, 0.10);
  border-color: rgba(200, 166, 99, 0.45);
  color: var(--ouro-pale);
}
.difficulty-btn--good:hover {
  background: rgba(200, 166, 99, 0.18);
  border-color: var(--ouro);
  color: var(--marfim);
}
.difficulty-btn--easy {
  background: rgba(91, 135, 105, 0.10);
  border-color: rgba(91, 135, 105, 0.45);
  color: var(--verde-claro);
}
.difficulty-btn--easy:hover {
  background: rgba(91, 135, 105, 0.20);
  border-color: var(--verde-claro);
  color: #8FBF9F;
}

/* -----------------------------------------------------------
   FLASHCARD — rating badge (previous session)
   ----------------------------------------------------------- */
.flashcard__rating-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 1px;
  border: 1px solid currentColor;
  opacity: 0.75;
}
.flashcard__rating-badge--hard  { color: #D46070; }
.flashcard__rating-badge--good  { color: var(--ouro); }
.flashcard__rating-badge--easy  { color: var(--verde-claro); }

/* -----------------------------------------------------------
   STUDY DONE — session stats
   ----------------------------------------------------------- */
.study__done-icon {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}
.study__done-stats {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 20px 0 28px;
  flex-wrap: wrap;
}
.study__done-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 20px;
  border-radius: 2px;
  border: 1px solid transparent;
  min-width: 80px;
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.study__done-stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0;
  font-weight: 600;
  line-height: 1;
}
.study__done-stat--hard {
  background: rgba(138, 37, 48, 0.08);
  border-color: rgba(138, 37, 48, 0.35);
  color: #D46070;
}
.study__done-stat--good {
  background: rgba(200, 166, 99, 0.08);
  border-color: rgba(200, 166, 99, 0.35);
  color: var(--ouro);
}
.study__done-stat--easy {
  background: rgba(91, 135, 105, 0.08);
  border-color: rgba(91, 135, 105, 0.35);
  color: var(--verde-claro);
}

/* -----------------------------------------------------------
   STUDY HINT — keyboard vs swipe
   ----------------------------------------------------------- */
.study__hint {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-3);
  text-align: center;
  opacity: 0.7;
}
.study__hint--swipe { display: none; }

/* -----------------------------------------------------------
   MOBILE — landing
   ----------------------------------------------------------- */
@media (max-width: 900px) {
  .landing { grid-template-columns: 1fr; }
  .landing__art { height: 48vw; min-height: 240px; order: -1; }
  .landing__art::before { inset: 12px; }
  .landing__copy { padding: 44px 22px 40px; }
  .landing__meta { position: static; padding-top: 32px; flex-wrap: wrap; gap: 14px; }
  .path-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* -----------------------------------------------------------
   MOBILE — study page
   ----------------------------------------------------------- */
@media (max-width: 640px) {
  .study {
    padding: 16px 12px max(48px, env(safe-area-inset-bottom, 48px));
    height: calc(100vh - 60px);
    height: calc(100dvh - 60px);
    min-height: 420px;
  }
  .study__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-bottom: 12px;
    margin-bottom: 14px;
  }
  .study__deckname {
    font-size: 14px;
    letter-spacing: 0.12em;
  }
  .flashcard__inner {
    min-height: 0;
  }
  .flashcard__face {
    padding: 48px 22px 52px;
  }
  .flashcard__content {
    font-size: calc(clamp(19px, 5vw, 26px) * var(--fit-scale, 1));
  }
  .flashcard__face--back .flashcard__content {
    font-size: calc(clamp(16px, 4.2vw, 22px) * var(--fit-scale, 1));
  }
  .flashcard__img {
    max-width: 100%;
    max-height: 38vh;
    margin-bottom: 0;
  }
  .difficulty-bar__buttons { gap: 8px; }
  .difficulty-btn {
    min-width: 82px;
    padding: 14px 14px;
    font-size: 11px;
  }
  .difficulty-btn__key { display: none; }
  .study__controls { gap: 8px; }
  .study__nav-btn { padding: 14px 14px; font-size: 11px; letter-spacing: 0.16em; min-height: 48px; }
  .study__flip-btn { padding: 14px 20px; font-size: 12px; min-height: 48px; }
  .study__hint--keyboard { display: none; }
  .study__hint--swipe { display: block; }
  .shuffle-toggle { font-size: 10px; padding: 9px 12px; min-height: 40px; }
  .study__counter { font-size: 11px; }

  .study__done { padding: 30px 10px; }
  .study__done h2 { font-size: 24px; }
  .study__done-stats { gap: 8px; }
  .study__done-stat { padding: 10px 14px; min-width: 68px; }
  .study__done-stat-num { font-size: 22px; }
}

/* -----------------------------------------------------------
   IMPORT TABS
   ----------------------------------------------------------- */
.import-tabs {
  display: flex;
  margin-bottom: 32px;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  width: fit-content;
}
.import-tab {
  padding: 12px 26px;
  background: transparent;
  border: none;
  color: var(--fg-3);
  font-family: var(--font-smallcaps);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--dur) var(--ease-out),
              color var(--dur) var(--ease-out);
  touch-action: manipulation;
  min-height: 44px;
}
.import-tab + .import-tab {
  border-left: 1px solid var(--line);
}
.import-tab.is-active {
  background: rgba(200, 166, 99, 0.1);
  color: var(--accent-pale);
}
.import-tab:hover:not(.is-active) {
  background: var(--ink-3);
  color: var(--fg-2);
}

@media (max-width: 540px) {
  .import-tabs { width: 100%; }
  .import-tab { flex: 1; font-size: 11px; padding: 12px 12px; }
}

/* -----------------------------------------------------------
   FEEDBACK FORM
   ----------------------------------------------------------- */
.feedback-form {
  margin-top: 28px;
  text-align: left;
}
.feedback-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 560px) {
  .feedback-form__row { grid-template-columns: 1fr; gap: 0; }
}
/* honeypot — totalmente fora de vista, sem ocupar espaço nem foco */
.feedback-form__honey {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0; pointer-events: none;
}
.feedback-form__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  margin: 2px 0 14px;
  text-align: center;
}
.feedback-form__hint--warn  { color: var(--accent); }
.feedback-form__hint--error {
  color: #B22A2A;
  background: rgba(200, 50, 50, 0.06);
  border: 1px solid rgba(200, 50, 50, 0.35);
  border-radius: 2px;
  padding: 10px 14px;
}
.feedback-form__alt {
  margin: 22px 0 0;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--fg-3);
}
.feedback-form__alt a {
  color: var(--accent);
  border-bottom: 1px solid var(--line-strong);
}
.feedback-form__alt a:hover { color: var(--accent-deep); }

.feedback-done {
  text-align: center;
  padding: 60px 20px 40px;
}
.feedback-done__icon {
  color: var(--accent);
  display: flex;
  justify-content: center;
  margin-bottom: 22px;
}

/* -----------------------------------------------------------
   CONVERTER SPINNER
   ----------------------------------------------------------- */
.converter-spinner {
  width: 44px;
  height: 44px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--ouro);
  border-radius: 50%;
  animation: converterSpin 0.75s linear infinite;
  margin: 0 auto;
}
@keyframes converterSpin {
  to { transform: rotate(360deg); }
}

/* -----------------------------------------------------------
   SUPPORT PAGE
   ----------------------------------------------------------- */
.support-card {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 52px 44px 48px;
  text-align: center;
  margin-bottom: 36px;
  overflow: hidden;
}
.support-card::before {
  content: "";
  position: absolute;
  top: 0; left: 18%; right: 18%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ouro), transparent);
}
.support-card__icon {
  color: var(--ouro);
  margin-bottom: 22px;
  display: flex;
  justify-content: center;
}
.support-card__title {
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--marfim);
  margin: 0 0 14px;
  font-weight: 600;
}
.support-card__desc {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--fg-2);
  max-width: 52ch;
  margin: 0 auto 36px;
  line-height: 1.6;
}
.support-pix {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: var(--ink-3);
  border: 1px solid var(--ouro);
  border-radius: 4px;
  padding: 28px 36px;
  max-width: 440px;
  margin: 0 auto;
  box-shadow: 0 0 32px rgba(200,166,99,0.08);
}
.support-pix__label {
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
}
.support-pix__key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ouro-pale);
  word-break: break-all;
  line-height: 1.4;
}
.support-pix__copykey {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
}
.support-amounts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.amount-chip {
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: transparent;
  color: var(--fg-2);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.amount-chip:hover { border-color: var(--ouro); color: var(--fg-1); }
.amount-chip--on {
  border-color: var(--ouro);
  background: rgba(58, 111, 184, 0.12);
  color: var(--accent);
}
/* Fundo claro é requisito de leitura do QR pelos apps de banco. */
.support-pix__qr {
  width: 208px;
  height: 208px;
  padding: 12px;
  background: #fdfdfb;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin: 6px 0 2px;
}
.support-pix__qr svg { width: 100%; height: 100%; display: block; }
.support-pix__qr--loading {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.support-note {
  padding: 32px 0 16px;
}
.support-note__rule {
  width: 180px;
  height: 1px;
  background: linear-gradient(90deg, var(--ouro), transparent);
  margin: 0 0 28px;
}
.support-note p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--fg-3);
  line-height: 1.65;
  margin: 0 0 14px;
  max-width: 60ch;
}

@media (max-width: 540px) {
  .support-card { padding: 36px 20px 32px; }
  .support-card__title { font-size: 24px; }
  .support-card__desc { font-size: 16px; }
  .support-pix { padding: 22px 20px; }
  .support-pix__key { font-size: 16px; }
}

/* -----------------------------------------------------------
   MOBILE — card editor
   ----------------------------------------------------------- */
@media (max-width: 760px) {
  .card-editor {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .card-editor__num { padding-top: 0; }
  .card-editor__del { justify-self: flex-end; }
}

@media (max-width: 540px) {
  .card-editor { padding: 16px 14px; }
  .dropzone { padding: 48px 20px; }
  .dropzone__title { font-size: 18px; }
}

/* ============================================================
   CONTAS — login / cadastro / conta / sincronização
   ============================================================ */

/* abas Entrar / Criar conta / Recuperar */
.auth-tabs {
  display: flex;
  gap: 6px;
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 5px;
  background: rgba(0,0,0,0.02);
}
.auth-tab {
  flex: 1;
  padding: 10px 8px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-smallcaps, inherit);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--fg-3);
  border-radius: 7px;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
.auth-tab:hover { color: var(--fg-2); }
.auth-tab.is-active {
  background: var(--accent);
  color: #fff;
}

/* caixa do código de recuperação */
.auth-code {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.5vw, 30px);
  letter-spacing: 0.16em;
  text-align: center;
  color: var(--accent);
  background: rgba(46,106,160,0.08);
  border: 1px dashed var(--accent);
  border-radius: 12px;
  padding: 22px 16px;
  margin: 8px 0 22px;
  word-break: break-all;
  user-select: all;
}

/* linhas de info da conta */
.account-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.account-row:first-of-type { padding-top: 0; }
.account-row__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.account-row__value {
  font-family: var(--font-serif, inherit);
  font-size: 16px;
  color: var(--fg-2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* indicador de sincronização (bolinha) */
.sync-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: var(--fg-3);
  flex: none;
}
.sync-dot--ok      { background: #2e8b57; }
.sync-dot--syncing { background: var(--ouro); animation: syncPulse 1s ease-in-out infinite; }
.sync-dot--error   { background: #c0682a; }
.sync-dot--idle    { background: var(--fg-3); }
@keyframes syncPulse { 0%,100% { opacity: 0.35; } 50% { opacity: 1; } }

/* Bloco esquerdo da topbar: marca + chip de perfil lado a lado. */
.topbar__left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

/* Chip de perfil (ícone + nome) na topbar */
.topbar__account {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 13px 4px 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
  color: var(--fg-2);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out),
              color var(--dur) var(--ease-out);
}
.topbar__account:hover { border-color: var(--ouro); background: var(--ink-3); color: var(--marfim); }
.topbar__account.is-active { border-color: var(--accent); color: var(--accent); }
.topbar__avatar {
  width: 26px; height: 26px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(58, 111, 184, 0.14);   /* leve tinta do azul-ardósia da marca */
  color: var(--accent);
}
.topbar__account-name {
  font-family: var(--font-smallcaps);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  max-width: 16ch;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (max-width: 720px) { .topbar__left { gap: 12px; } }
@media (max-width: 560px) {
  .topbar__account-name { display: none; }        /* no celular fica só o ícone */
  .topbar__account { padding: 4px 6px; gap: 5px; }
}

/* ============================================================
   CLUBE NEUROSTARS — certificado no perfil + oferta na página Apoiar
   ============================================================ */
.club-cert {
  position: relative;
  text-align: center;
  background: var(--ink-2);
  border: 1px solid var(--ouro);
  border-radius: 4px;
  padding: 40px 36px 34px;
  margin-bottom: 36px;
  overflow: hidden;
}
.club-cert::before,
.club-cert::after {
  content: "";
  position: absolute;
  left: 10px; right: 10px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ouro), transparent);
}
.club-cert::before { top: 8px; }
.club-cert::after  { bottom: 8px; }
.club-cert__eyebrow {
  font-family: var(--font-smallcaps);
  font-size: 10px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.club-cert__mark { color: var(--ouro); margin-bottom: 10px; }
.club-cert__title {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--marfim);
  margin-bottom: 18px;
  font-weight: 600;
}
.club-cert__name {
  font-family: var(--font-script);
  font-size: 34px;
  color: var(--ouro);
  margin-bottom: 10px;
}
.club-cert__body {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--fg-2);
  max-width: 46ch;
  margin: 0 auto 16px;
  line-height: 1.6;
}
.club-cert__since {
  font-family: var(--font-smallcaps);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 12px;
}
.club-cert__sig {
  font-family: var(--font-script);
  font-size: 21px;
  color: var(--accent);
}
.club-offer .club-cert__eyebrow { margin-bottom: 6px; }
.club-offer__note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--fg-3);
  max-width: 46ch;
  margin: 14px auto 0;
  line-height: 1.55;
}
.club-offer__thanks {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--accent);
  max-width: 46ch;
  margin: 10px auto 0;
  line-height: 1.6;
}
.club-offer__member {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.club-offer__member-line {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-serif); font-size: 17px; color: var(--accent-deep);
  max-width: 46ch; margin: 4px auto 0; line-height: 1.5;
}

/* -----------------------------------------------------------
   PERFIL — público (ver os outros) + editável (o seu).
   --profile-accent (cor escolhida) recai em --accent quando não há.
   ----------------------------------------------------------- */
.profile__back {
  background: none; border: 0; cursor: pointer;
  font-family: var(--font-smallcaps); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fg-3); padding: 4px 0; margin-bottom: 16px;
  transition: color var(--dur) var(--ease-out);
}
.profile__back:hover { color: var(--profile-accent, var(--accent)); }

/* cartão = capa + herói (avatar sobe para dentro da capa) */
.profile__card {
  background: var(--ink-2); border: 1px solid var(--line);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-1);
  overflow: hidden; margin-bottom: 8px;
}
.profile__cover {
  position: relative; height: clamp(118px, 22vw, 168px);
  background-size: cover; background-position: center;
}
.profile__cover--default {
  background-image: linear-gradient(120deg, var(--profile-accent, var(--accent)) 0%, #1A436B 100%);
}
.profile__cover-btn {
  position: absolute; right: 12px; bottom: 12px;
  background: rgba(11, 8, 5, 0.48); color: #fff; border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-pill); padding: 6px 13px; cursor: pointer;
  font-family: var(--font-smallcaps); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  transition: background var(--dur) var(--ease-out);
}
.profile__cover-btn:hover { background: rgba(11, 8, 5, 0.7); }

.profile__hero {
  display: flex; align-items: flex-end; gap: 18px; flex-wrap: wrap;
  padding: 12px 24px 22px;
}
.profile__avatar {
  width: 92px; height: 92px; flex: 0 0 auto; margin-top: -58px;
  display: grid; place-items: center; font-size: 42px; line-height: 1;
  background: var(--ink-3); border: 4px solid var(--ink-2); border-radius: 50%;
  box-shadow: 0 0 0 2px var(--profile-accent, var(--accent)), var(--shadow-1);
  color: inherit; cursor: default;
}
.profile__avatar.is-editable { cursor: pointer; transition: transform var(--dur) var(--ease-out); }
.profile__avatar.is-editable:hover { transform: translateY(-3px); }
.profile__id { flex: 1 1 220px; min-width: 0; padding-bottom: 2px; }
.profile__name {
  font-family: var(--font-display); font-size: clamp(24px, 4vw, 34px);
  letter-spacing: 0.03em; text-transform: uppercase; color: var(--marfim);
  margin: 0; line-height: 1.1; display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.profile__title { font-family: var(--font-serif); font-style: italic; font-size: 17px; color: var(--fg-2); margin-top: 4px; }
.profile__muted { color: var(--fg-3); opacity: 0.85; }
.profile__level {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 8px;
  font-family: var(--font-mono); font-size: 12px; color: var(--profile-accent, var(--accent-deep)); letter-spacing: 0.03em;
}
.profile__hero-actions { margin-left: auto; align-self: center; display: flex; gap: 8px; flex-wrap: wrap; }
.profile__friend-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-smallcaps); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--profile-accent, var(--accent)); padding: 6px 12px;
  border: 1px solid var(--line-strong); border-radius: var(--radius-pill);
}
.profile__friend-tag--muted { color: var(--fg-3); }

.profile__bio {
  font-family: var(--font-serif); font-size: 16px; line-height: 1.6; color: var(--fg-2);
  margin: 16px 2px 4px; max-width: 62ch;
}
.profile__edit {
  margin: 14px 0 6px; padding: 18px 20px;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.profile__edit-block { margin-bottom: 18px; }
.profile__edit-block .field__label { margin-bottom: 8px; }
.profile__count { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); text-align: right; margin-top: 4px; }

/* seletor de cor de destaque */
.accent-picker { display: flex; flex-wrap: wrap; gap: 10px; }
.accent-opt {
  width: 30px; height: 30px; border-radius: 50%; border: 2px solid transparent; cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.16); transition: transform var(--dur-fast) var(--ease-out);
}
.accent-opt:hover { transform: scale(1.12); }
.accent-opt.is-active { border-color: var(--marfim); }

/* seletor de capa */
.cover-picker__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.cover-opt {
  height: 48px; border-radius: var(--radius-xs); border: 2px solid transparent; cursor: pointer;
  background-size: cover; background-position: center;
  transition: transform var(--dur-fast) var(--ease-out);
}
.cover-opt:hover { transform: translateY(-2px); }
.cover-opt.is-active { border-color: var(--profile-accent, var(--accent)); box-shadow: 0 0 0 1px var(--profile-accent, var(--accent)); }

.profile__xp { margin: 22px 0 18px; }
.profile__xp-head {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  font-family: var(--font-smallcaps); letter-spacing: var(--ls-smallcaps); text-transform: uppercase;
  font-size: 12px; color: var(--fg-2); margin-bottom: 6px;
}
.profile__xp-track { height: 8px; background: var(--ink-4); border-radius: var(--radius-pill); overflow: hidden; }
.profile__xp-fill { height: 100%; border-radius: var(--radius-pill); background: var(--profile-accent, var(--accent)); transition: width 700ms var(--ease-out); }

.profile__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 8px 0 18px; }
.profile__stat {
  text-align: center; padding: 16px 10px;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.profile__stat-num { font-family: var(--font-display); font-size: 24px; color: var(--marfim); }
.profile__stat-suf { font-family: var(--font-serif); font-style: italic; font-size: 13px; color: var(--fg-3); }
.profile__stat-label {
  font-family: var(--font-smallcaps); font-size: 11px; letter-spacing: var(--ls-smallcaps);
  text-transform: uppercase; color: var(--fg-3); margin-top: 4px;
}

/* conquistas no perfil */
.profile__achv { margin: 4px 0 18px; }
.profile__achv-head {
  font-family: var(--font-smallcaps); font-size: 12px; letter-spacing: var(--ls-smallcaps);
  text-transform: uppercase; color: var(--fg-3); margin-bottom: 10px;
}
.profile__achv-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.profile__achv-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px; background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius-pill);
}
.profile__achv-icon { color: var(--profile-accent, var(--accent)); display: grid; place-items: center; }
.profile__achv-name {
  font-family: var(--font-display); font-size: 12px; letter-spacing: 0.03em;
  text-transform: uppercase; color: var(--marfim);
}

.profile__member {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-serif); font-size: 15px; color: var(--profile-accent, var(--accent-deep));
  padding: 10px 14px; background: var(--ink-3);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.profile__joined { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); margin-top: 12px; }

@media (max-width: 560px) {
  .profile__stats { grid-template-columns: 1fr 1fr; }
  .profile__hero { gap: 14px; padding: 10px 18px 20px; }
  .profile__hero-actions { margin-left: 0; width: 100%; }
  .cover-picker__grid { grid-template-columns: repeat(3, 1fr); }
}

/* -----------------------------------------------------------
   PRIVACIDADE — página legal (#/privacidade)
   ----------------------------------------------------------- */
.legal { padding-bottom: 72px; }
.legal__updated {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: -14px 0 10px;
}
.legal h2 {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--marfim);
  margin: 34px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.legal p {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-2);
  margin: 0 0 14px;
  max-width: 68ch;
}
.legal p strong { color: var(--marfim); }
.legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal a:hover { opacity: 0.8; }

/* Link discreto de privacidade na faixa de meta da landing */
.landing__meta-link { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.landing__meta-link:hover { color: var(--accent); }

/* -----------------------------------------------------------
   ARTIGOS — cards na Comunidade + leitor (#/artigos/:slug)
   ----------------------------------------------------------- */
.section-head--articles { margin-top: 56px; }
.section-note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--fg-3);
  margin: 10px 0 4px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}
.article-card {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 24px 22px 20px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 170px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out);
  animation: cardIn 520ms var(--ease-out) backwards;
  animation-delay: calc(var(--i, 0) * 70ms);
}
.article-card:hover {
  border-color: var(--line-strong);
  background: var(--ink-3);
  transform: translateY(-3px);
}
.article-card__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}
.article-card__title {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--marfim);
  line-height: 1.25;
  margin: 0;
  font-weight: 600;
}
.article-card__desc {
  font-family: var(--font-serif);
  font-size: 14.5px;
  color: var(--fg-3);
  font-style: italic;
  line-height: 1.5;
  margin: 0;
  flex: 1;
}
.article-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.article-card__foot .go { color: var(--accent); }

/* Leitor */
.article { padding-bottom: 72px; }
.article__back {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  background: none;
  border: none;
  padding: 0;
  margin-bottom: 22px;
  cursor: pointer;
}
.article__back:hover { color: var(--accent); }
.article__updated {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: -14px 0 10px;
}
.article__body h2 {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--marfim);
  margin: 34px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.article__body p,
.article__body li {
  font-family: var(--font-serif);
  font-size: 17.5px;
  line-height: 1.7;
  color: var(--fg-2);
  max-width: 68ch;
}
.article__body p { margin: 0 0 16px; }
.article__body ul { margin: 0 0 16px; padding-left: 22px; }
.article__body li { margin-bottom: 10px; }
.article__body strong { color: var(--marfim); }
.article__body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.article__body a:hover { opacity: 0.8; }

.article__cta {
  margin-top: 44px;
  padding: 26px 26px 24px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.article__cta h3 {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.1em;
  color: var(--marfim);
  margin: 0 0 8px;
  font-weight: 600;
}
.article__cta p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15.5px;
  color: var(--fg-3);
  margin: 0 0 16px;
}
.article__cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.article .section-head { margin-top: 44px; }

@media (max-width: 900px) {
  .article-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .article-grid { grid-template-columns: 1fr; gap: 14px; }
}

/* ============================================================
   CLUBE — pop-up de benefícios ("vitrine" antes do checkout).
   Receitas do skill duolingo-design: entrada com overshoot,
   benefícios em cascata, UM CTA físico (btn-3d). Tokens = temas.
   ============================================================ */
.club-modal__backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(22, 34, 47, 0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: clubFade 0.22s ease both;
}
.club-modal {
  --club-gold: #B08A2E;
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  box-shadow: var(--shadow-3);
  max-width: 520px; width: 100%;
  max-height: min(88vh, 740px); overflow: auto;
  padding: 34px 30px 24px;
  text-align: center;
  animation: clubPop 0.34s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
.club-modal:focus { outline: none; }
html[data-theme="dark"] .club-modal { --club-gold: var(--ouro); }

.club-modal__close {
  position: absolute; top: 12px; right: 12px;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line); background: none; cursor: pointer;
  color: var(--fg-3); font-size: 13px; line-height: 1;
  transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.club-modal__close:hover { color: var(--fg); border-color: var(--line-strong); }

.club-modal__star {
  width: 64px; height: 64px; margin: 0 auto 12px;
  display: grid; place-items: center;
  font-size: 30px; line-height: 1; color: var(--club-gold);
  background: rgba(176, 138, 46, 0.13);
  border: 1px solid rgba(176, 138, 46, 0.45);
  border-radius: 50%;
  text-shadow: 0 0 10px rgba(200, 166, 99, 0.55);
  animation: clubBounce 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.12s both;
}
.club-modal__eyebrow {
  font-family: var(--font-smallcaps); font-size: 10px;
  letter-spacing: 0.42em; text-transform: uppercase;
  color: var(--club-gold); margin-bottom: 8px;
}
.club-modal__title {
  font-family: var(--font-display); font-size: 23px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg); margin: 0 0 20px;
}
.club-modal__list {
  list-style: none; margin: 0 0 22px; padding: 0;
  display: flex; flex-direction: column; gap: 13px;
  text-align: left;
}
.club-benefit {
  display: flex; gap: 13px; align-items: flex-start;
  animation: clubRise 0.4s var(--ease-out) both;
  animation-delay: calc(0.1s + var(--i, 0) * 60ms);
}
.club-benefit__icon {
  flex: 0 0 40px; width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 17px; line-height: 1; color: var(--club-gold);
  background: rgba(176, 138, 46, 0.12);
}
.club-benefit__icon--text {
  font-family: var(--font-smallcaps); font-size: 13px; font-weight: 700;
}
.club-benefit__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.club-benefit__text strong { font-size: 15px; font-weight: 600; color: var(--fg); }
.club-benefit__text span {
  font-family: var(--font-serif); font-size: 13.5px;
  color: var(--fg-3); line-height: 1.45;
}

/* Botão físico 3D (receita do skill duolingo-design) */
.btn-3d {
  border: 0; border-radius: 12px; cursor: pointer;
  padding: 15px 26px; width: 100%;
  font-family: var(--font-smallcaps); font-weight: 700; font-size: 13px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: #FDFDFB; background: var(--accent);
  box-shadow: 0 4px 0 var(--accent-deep);
  transition: transform 0.09s ease, box-shadow 0.09s ease, filter 0.15s ease;
}
.btn-3d:hover { filter: brightness(1.06); }
.btn-3d:active { transform: translateY(4px); box-shadow: 0 0 0 var(--accent-deep); }
.btn-3d:focus-visible { outline: 3px solid var(--accent-pale); outline-offset: 2px; }
.btn-3d:disabled { filter: saturate(0.4) opacity(0.75); transform: none; cursor: default; }
html[data-theme="dark"] .btn-3d { color: var(--noir); }

.club-modal__fine {
  font-family: var(--font-serif); font-style: italic;
  font-size: 12.5px; color: var(--fg-3);
  margin: 12px auto 4px; max-width: 42ch; line-height: 1.5;
}
.club-modal__later {
  background: none; border: 0; cursor: pointer;
  font-family: var(--font-smallcaps); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-3); padding: 8px 12px; margin-top: 2px;
  transition: color var(--dur) var(--ease-out);
}
.club-modal__later:hover { color: var(--fg); }

@keyframes clubFade { from { opacity: 0; } }
@keyframes clubPop  { from { opacity: 0; transform: translateY(26px) scale(0.94); } }
@keyframes clubRise { from { opacity: 0; transform: translateY(10px); } }
@keyframes clubBounce {
  0% { transform: scale(0); opacity: 0; }
  55% { transform: scale(1.18); opacity: 1; }
  75% { transform: scale(0.94); }
  100% { transform: scale(1); }
}

@media (max-width: 560px) {
  .club-modal { padding: 28px 18px 18px; }
  .club-benefit__icon { flex-basis: 36px; width: 36px; height: 36px; font-size: 15px; }
}

/* Opções exclusivas do Clube nos seletores de cor e capa do perfil */
.accent-opt--club, .cover-opt--club { position: relative; }
.club-opt-star {
  position: absolute; right: -4px; top: -6px;
  font-size: 10px; line-height: 1; color: #B08A2E;
  text-shadow: 0 0 5px rgba(200, 166, 99, 0.75), 0 0 2px rgba(255, 255, 255, 0.6);
  pointer-events: none;
}
.club-opt-star--cover { right: 4px; top: 3px; font-size: 12px; }
html[data-theme="dark"] .club-opt-star { color: var(--ouro); }
.accent-opt--club.is-locked, .cover-opt--club.is-locked { opacity: 0.55; filter: saturate(0.75); }

/* ============================================================
   COLEÇÕES — pastas de decks em "Meus decks" (estudo conjunto)
   ============================================================ */
.deck-collection { margin-top: 26px; }
.deck-collection__head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
}
.deck-collection__toggle {
  display: flex; align-items: baseline; gap: 10px; flex: 1 1 220px; min-width: 0;
  background: none; border: 0; cursor: pointer; text-align: left; padding: 4px 0;
}
.deck-collection__chev { color: var(--accent); font-size: 12px; flex: 0 0 auto; }
.deck-collection__name {
  font-family: var(--font-display); font-size: 17px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.deck-collection__meta {
  font-family: var(--font-smallcaps); font-size: 10.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-3); flex: 0 0 auto;
}
.deck-collection__acts { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.deck-collection__study {
  border: 1px solid var(--accent); background: none; cursor: pointer;
  color: var(--accent); border-radius: 3px; padding: 7px 14px;
  font-family: var(--font-smallcaps); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
.deck-collection__study:hover:not(:disabled) { background: var(--accent); color: var(--ink-2); }
.deck-collection__study:disabled { opacity: 0.45; cursor: default; }
.deck-collection__rename {
  border: 0; background: none; cursor: pointer; color: var(--fg-3);
  font-family: var(--font-smallcaps); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase; padding: 7px 8px;
  transition: color var(--dur) var(--ease-out);
}
.deck-collection__rename:hover { color: var(--fg); }
.deck-grid--in-collection { margin-top: 14px; }
@media (max-width: 620px) {
  .deck-collection__acts { width: 100%; justify-content: flex-end; margin-left: 0; }
}