/* ==========================================================================
   Área do cliente · estrutura (header, saudação, painéis)
   Mais funcional que a landing, mesma identidade.
   ========================================================================== */

.app {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  overflow-x: clip;
}

/* Enquanto a sessão é validada, nada de conteúdo (evita piscar) */
.app[aria-busy="true"] .app__main {
  visibility: hidden;
}

/* ------------------------------------------------------------------ Fundo */
.app__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.app__glow {
  position: absolute;
  inset: 0 0 auto;
  height: 40rem;
  background: var(--gradient-glow-top);
  opacity: 0.7;
}

.app__bg .grid-lines {
  z-index: 0;
}

/* ----------------------------------------------------------------- Header */
.app__header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgb(var(--rgb-ink) / 0.72);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  box-shadow: inset 0 -1px 0 var(--color-border);
}

.app__header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: var(--header-h);
}

.app__nav {
  margin-inline: auto;
}

/* ------------------------------------------------------------------- Main */
.app__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  padding-block: var(--space-12) var(--space-24);
}

.app__hello {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.app__title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-medium);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  overflow-wrap: anywhere;
}

/* ----------------------------------------------------------------- Painel */
.app__panel {
  --card-pad: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  overflow: hidden;
}

.app__panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.app__panel-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-tight);
}

/* Estado vazio */
.app__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  max-width: 28rem;
  margin-inline: auto;
  padding-block: var(--space-8) var(--space-6);
  text-align: center;
}

.app__empty-icon {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: var(--space-2);
  border-radius: 50%;
  font-size: 1.4rem;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  box-shadow:
    inset 0 0 0 1px rgb(var(--rgb-mint) / 0.3),
    var(--glow-sm);
}

.app__empty-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
}

.app__empty .btn {
  margin-top: var(--space-4);
}

/* Planos liberados */
.app__plans {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.app__plan {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--color-border-solid);
  background: var(--color-surface);
  box-shadow: var(--shadow-inset-top);
}

.app__plan-check {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  flex: none;
  border-radius: 50%;
  font-size: 0.95rem;
  color: var(--color-on-accent);
  background: var(--color-accent);
  box-shadow: var(--glow-sm);
}

.app__plan-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-0-5);
  min-width: 0;
}

.app__plan-name {
  font-weight: var(--weight-medium);
}

.app__plan-meta {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ------------------------------------------------------------- Painel */
.dash {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--grid-gap);
  align-items: start;
}

.dash__counts {
  display: flex;
  flex-direction: column;
  list-style: none;
}

.dash__count {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: var(--border-width) solid var(--color-border);
  font-size: var(--text-sm);
}

.dash__count-icon {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  flex: none;
  border-radius: var(--radius-xs);
  font-size: 1rem;
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

.dash__count-label {
  color: var(--color-text);
}

.dash__count-value {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-secondary);
}

.dash__count.is-locked .dash__count-icon {
  color: var(--color-text-tertiary);
  background: var(--color-surface-tint);
}

.dash__count.is-locked .dash__count-label,
.dash__count.is-locked .dash__count-value {
  color: var(--color-text-tertiary);
}

.dash__offers {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.dash__offer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--color-border-solid);
  background: var(--color-surface);
}

.dash__offer-body {
  display: flex;
  flex: 1 1 12rem;
  flex-direction: column;
  gap: var(--space-0-5);
}

.dash__offer-name {
  font-weight: var(--weight-medium);
}

.dash__offer-meta {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.dash__offer-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-variant-numeric: tabular-nums;
}

.dash__offer-list {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.dash__offer-price strong {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
}

/* ---------------------------------------------------------- Biblioteca */
.library {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-top: var(--space-8);
  border-top: var(--border-width) solid var(--color-border);
}

.library__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
}

.library__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-tight);
}

.library__status {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.library__unlock {
  font-weight: var(--weight-medium);
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.library__books {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8) var(--grid-gap);
  list-style: none;
}

.lib-book {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.lib-book__cover {
  position: relative;
  display: block;
  margin-bottom: var(--space-3);
  transition: translate var(--dur-slow) var(--ease-out);
}

.lib-book:hover .lib-book__cover {
  translate: 0 -6px;
}

.lib-book__meta {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.lib-book__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: var(--leading-snug);
}

.lib-book.is-locked .book {
  filter: grayscale(1) brightness(0.6);
}

.lib-book.is-locked .lib-book__title {
  color: var(--color-text-secondary);
}

/* Selo de bloqueado (biblioteca) */
.lib-lock {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1-5);
  padding: var(--space-1) var(--space-2-5);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  color: var(--color-text);
  background: rgb(var(--rgb-ink) / 0.82);
  box-shadow: inset 0 0 0 1px var(--color-border-strong);
}

.lib-lock .icon {
  font-size: 0.8rem;
  color: var(--color-accent);
}

.lib-book__cover .lib-lock {
  position: absolute;
  left: 50%;
  bottom: var(--space-3);
  translate: -50% 0;
}

.lib-placeholder {
  margin-left: var(--space-2);
}

/* Aulas (playlist) */
.library__lessons {
  display: flex;
  flex-direction: column;
  list-style: none;
  border-radius: var(--radius-lg);
  border: var(--border-width) solid var(--color-border-solid);
  background: var(--color-surface);
  overflow: hidden;
}

.library__lessons li + li {
  border-top: var(--border-width) solid var(--color-border);
}

.lesson {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  transition: background-color var(--dur-fast) var(--ease-out);
}

.lesson:hover {
  background: var(--color-surface-tint);
}

.lesson__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.lesson__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-0-5);
  min-width: 0;
}

.lesson__title {
  font-weight: var(--weight-medium);
}

.lesson__meta {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.lesson__play {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  font-size: 0.7rem;
  color: var(--color-on-accent);
  background: var(--color-accent);
  box-shadow: var(--glow-sm);
  transition: scale var(--dur-base) var(--ease-spring);
}

.lesson:hover .lesson__play {
  scale: 1.08;
}

.lesson.is-locked .lesson__title {
  color: var(--color-text-secondary);
}

/* Manual */
.library__manual {
  list-style: none;
}

.lib-manual {
  display: block;
  max-width: 32rem;
  transition: translate var(--dur-slow) var(--ease-out);
}

.lib-manual:hover {
  translate: 0 -4px;
}

.lib-manual .manual-tile__tag {
  color: var(--color-accent);
}

.lib-manual.is-locked .manual-tile {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-inset-top);
}

.lib-manual.is-locked .manual-tile__mark {
  color: var(--color-text-disabled);
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--color-border-strong);
}

.lib-manual .manual-tile {
  flex-wrap: wrap;
}

.lib-manual .lib-lock {
  margin-left: auto;
}

/* --------------------------------------------------------- Item */
.app__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  align-self: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--dur-fast) var(--ease-out);
}

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

.item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-10);
  align-items: start;
}

.item__media {
  width: min(100%, 15rem);
}

.item__art {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  font-size: 3rem;
  color: var(--color-accent);
  background:
    radial-gradient(80% 60% at 50% 0%, rgb(var(--rgb-mint) / 0.18), transparent 70%),
    var(--gradient-surface);
  box-shadow: var(--shadow-inset-top), inset 0 0 0 1px var(--color-border), var(--shadow-lg);
}

.item__art-num {
  position: absolute;
  top: var(--space-4);
  left: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.item__art--manual .manual-tile__mark {
  width: 4.5rem;
  height: 4.5rem;
  font-size: var(--text-2xl);
  border-radius: var(--radius-md);
}

.item__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  max-width: 40rem;
}

.item__kicker {
  color: var(--color-accent);
}

.item__title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-medium);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
}

.item__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.item__audio {
  width: 100%;
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-inset-top), inset 0 0 0 1px var(--color-border-solid);
}

.item__audio audio {
  display: block;
  width: 100%;
  accent-color: var(--color-accent);
}

.item__alert {
  width: 100%;
}

.item__note {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.item__pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  width: 100%;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: var(--border-width) solid var(--color-border);
}

.item__pager:empty {
  display: none;
}

.item__pager-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--color-border-solid);
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.item__pager-link:hover {
  border-color: var(--color-border-accent);
  background: var(--color-surface-tint);
}

.item__pager-link--next {
  grid-column: 2;
  text-align: right;
}

.item__pager-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

/* Mensagem (bloqueado / não encontrado) */
.app__message {
  --card-pad: var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  max-width: 36rem;
  overflow: hidden;
}

.app__message-title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-medium);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
}

.app__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

/* ------------------------------------------------------ Configurações */
.settings {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--grid-gap);
  align-items: start;
}

.settings__card {
  gap: var(--space-5);
}

.settings__form {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.settings__form .field,
.settings__alert {
  width: 100%;
}

.field__hint:empty {
  display: none;
}

.settings__current {
  font-weight: var(--weight-medium);
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.purchases {
  display: flex;
  flex-direction: column;
  list-style: none;
}

.purchase {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
  padding-block: var(--space-4);
  border-bottom: var(--border-width) solid var(--color-border);
}

.purchase:last-child {
  border-bottom: 0;
}

.purchase__body {
  display: flex;
  flex: 1 1 12rem;
  flex-direction: column;
  gap: var(--space-0-5);
}

.purchase__title {
  font-weight: var(--weight-medium);
}

.purchase__meta {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.purchase__side {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-variant-numeric: tabular-nums;
}

.purchase__receipt {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1-5);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-decoration-color: rgb(var(--rgb-mint) / 0.5);
  text-underline-offset: 3px;
}

.purchase__receipt:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------- Entrada */
.app:not([aria-busy="true"]) .app__hello > *,
.app:not([aria-busy="true"]) .app__panel,
.app:not([aria-busy="true"]) .library,
.app:not([aria-busy="true"]) .item,
.app:not([aria-busy="true"]) .app__message {
  animation: reveal var(--dur-reveal) var(--ease-out) both;
}

.app:not([aria-busy="true"]) .app__hello > :nth-child(2) { animation-delay: 90ms; }
.app:not([aria-busy="true"]) .app__hello > :nth-child(3) { animation-delay: 180ms; }
.app:not([aria-busy="true"]) .app__panel,
.app:not([aria-busy="true"]) .library,
.app:not([aria-busy="true"]) .item { animation-delay: 260ms; }
.app:not([aria-busy="true"]) .app__panel + .app__panel { animation-delay: 340ms; }
.app:not([aria-busy="true"]) .library + .library { animation-delay: 360ms; }

/* ============================================================ Responsivo */
@media (min-width: 40em) {
  .app__panel {
    --card-pad: var(--space-8);
  }
}

@media (min-width: 48em) {
  .library__books {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .item {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: var(--space-12);
  }

  .settings {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settings__card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 64em) {
  .dash {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .dash__plans {
    grid-row: span 2;
  }

  .library__books {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .app__main {
    padding-block: var(--space-16) var(--space-32);
  }
}