/*
 * klashub-ui.css
 * Camada de design do painel. Carregada depois do tema Materialize,
 * sobrescreve tokens e adiciona estados que o tema base nao cobre.
 * Trabalha com as variaveis do Bootstrap 5, entao vale para light e dark.
 ******************************************************************************/

/* ---------------------------------------------------------------------------
 * 1. Tokens
 * ------------------------------------------------------------------------- */

:root {
  /* Tipografia */
  --bs-font-sans-serif: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --kh-font-display: 'Outfit', var(--bs-font-sans-serif);

  /* Escala de raio: containers mais suaves, elementos internos mais fechados */
  --kh-radius-xs: 0.375rem;
  --kh-radius-sm: 0.5rem;
  --kh-radius-md: 0.75rem;
  --kh-radius-lg: 1rem;
  --kh-radius-pill: 999px;

  /* Sombras tingidas com o indigo do tema, nao preto puro */
  --kh-shadow-hue: 268;
  --kh-shadow-sat: 45%;
  --kh-shadow-lum: 55%;
  --kh-shadow-a1: 0.10;
  --kh-shadow-a2: 0.14;

  --kh-shadow-xs: 0 1px 2px hsl(var(--kh-shadow-hue) var(--kh-shadow-sat) var(--kh-shadow-lum) / var(--kh-shadow-a1));
  --kh-shadow-sm: 0 2px 6px -1px hsl(var(--kh-shadow-hue) var(--kh-shadow-sat) var(--kh-shadow-lum) / var(--kh-shadow-a1));
  --kh-shadow-md: 0 6px 16px -4px hsl(var(--kh-shadow-hue) var(--kh-shadow-sat) var(--kh-shadow-lum) / var(--kh-shadow-a2));
  --kh-shadow-lg: 0 16px 36px -12px hsl(var(--kh-shadow-hue) var(--kh-shadow-sat) var(--kh-shadow-lum) / var(--kh-shadow-a2));

  /* Movimento: mola curta, nao easing linear */
  --kh-ease: cubic-bezier(0.32, 0.72, 0, 1);
  --kh-dur-fast: 140ms;
  --kh-dur: 220ms;
  --kh-dur-slow: 340ms;

  /* Escala de z-index nomeada, no lugar de 9999 solto */
  --kh-z-sticky: 1020;
  --kh-z-navbar: 1030;
  --kh-z-overlay: 1040;
  --kh-z-toast: 1090;

  /* Superficie sutil derivada do fundo, para dividir secoes sem trocar de tema */
  --kh-surface-raise: rgba(255, 255, 255, 0.03);
  --kh-surface-sink: rgba(15, 16, 30, 0.04);
  --kh-hairline: color-mix(in srgb, var(--bs-border-color) 70%, transparent);
}

.light-style {
  --kh-shadow-lum: 55%;
  --kh-shadow-a1: 0.08;
  --kh-shadow-a2: 0.12;
  --kh-surface-raise: rgba(255, 255, 255, 0.75);
  --kh-surface-sink: rgba(24, 26, 46, 0.035);
}

.dark-style {
  --kh-shadow-hue: 270;
  --kh-shadow-sat: 60%;
  --kh-shadow-lum: 4%;
  --kh-shadow-a1: 0.45;
  --kh-shadow-a2: 0.55;
  --kh-surface-raise: rgba(255, 255, 255, 0.035);
  --kh-surface-sink: rgba(10, 11, 22, 0.35);
}

/* ---------------------------------------------------------------------------
 * 2. Tipografia
 * ------------------------------------------------------------------------- */

body {
  font-family: var(--bs-font-sans-serif);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv05' 1, 'ss03' 1;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6,
.card-title,
.app-brand-text {
  font-family: var(--kh-font-display);
  font-weight: 600;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

/* Titulos grandes ganham presenca: mais peso, tracking negativo, linha curta */
h1, .h1 {
  font-weight: 700;
  letter-spacing: -0.032em;
  line-height: 1.08;
}

h2, .h2 {
  font-weight: 700;
  letter-spacing: -0.026em;
  line-height: 1.14;
}

h3, .h3 {
  letter-spacing: -0.022em;
  line-height: 1.18;
}

h4, .h4 {
  line-height: 1.22;
}

h5, .h5, h6, .h6 {
  letter-spacing: -0.012em;
  line-height: 1.3;
}

p {
  text-wrap: pretty;
}

/* Texto corrido nao passa de ~65 caracteres */
.kh-prose,
.card-text,
.alert p {
  max-width: 65ch;
  line-height: 1.65;
}

/* Peso intermediario onde antes so havia 400 e 700 */
.form-label,
.col-form-label,
label {
  font-weight: 500;
  letter-spacing: -0.006em;
}

.btn {
  font-family: var(--kh-font-display);
  font-weight: 600;
  letter-spacing: -0.006em;
}

.nav-link,
.menu-link,
.dropdown-item {
  font-weight: 500;
}

/* Numeros alinham em coluna: tabelas, contadores, precos, badges */
.table,
.table td,
.table th,
.badge,
.countdown-number,
.countdown-text,
.kh-numeric,
time,
.pagination {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

/* Rotulos pequenos: tracking positivo, nao caixa alta gritada */
.kh-label,
.text-uppercase.small,
small.text-uppercase {
  letter-spacing: 0.06em;
  font-weight: 600;
  font-size: 0.6875rem;
}

/* ---------------------------------------------------------------------------
 * 3. Superficies e profundidade
 * ------------------------------------------------------------------------- */

.card {
  border-radius: var(--kh-radius-lg);
  box-shadow: var(--kh-shadow-sm);
  transition: box-shadow var(--kh-dur) var(--kh-ease),
              transform var(--kh-dur) var(--kh-ease),
              border-color var(--kh-dur) var(--kh-ease);
}

/* Elementos internos fecham o raio em relacao ao container */
.card .card,
.card .list-group-item,
.card .alert {
  border-radius: var(--kh-radius-md);
}

/* Card so levanta quando ele proprio e um alvo de clique */
a > .card,
.card.kh-interactive,
.kh-interactive {
  cursor: pointer;
}

a > .card:hover,
.card.kh-interactive:hover,
.kh-interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--kh-shadow-md);
}

a > .card:active,
.card.kh-interactive:active,
.kh-interactive:active {
  transform: translateY(0);
  box-shadow: var(--kh-shadow-xs);
  transition-duration: var(--kh-dur-fast);
}

.dropdown-menu,
.offcanvas,
.modal-content {
  border-radius: var(--kh-radius-md);
  box-shadow: var(--kh-shadow-lg);
}

.modal-content {
  border-radius: var(--kh-radius-lg);
}

/* Divisor de secao sem trocar o tom de fundo da pagina */
.kh-section-divider {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bs-border-color) 18%, var(--bs-border-color) 82%, transparent);
  opacity: 0.9;
  margin: 2.5rem 0;
}

/* Textura discreta no fundo: quebra a chapa lisa sem pesar */
.kh-grain::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

.light-style .kh-grain::before {
  opacity: 0.022;
}

/* ---------------------------------------------------------------------------
 * 4. Estados interativos
 * ------------------------------------------------------------------------- */

.btn,
.badge,
.nav-link,
.menu-link,
.dropdown-item,
.list-group-item-action,
.page-link {
  transition: background-color var(--kh-dur) var(--kh-ease),
              border-color var(--kh-dur) var(--kh-ease),
              color var(--kh-dur) var(--kh-ease),
              box-shadow var(--kh-dur) var(--kh-ease),
              transform var(--kh-dur-fast) var(--kh-ease);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--kh-shadow-sm);
}

/* Feedback fisico ao pressionar */
.btn:active,
.btn.active,
.page-link:active {
  transform: translateY(0) scale(0.985);
  box-shadow: none;
  transition-duration: var(--kh-dur-fast);
}

.btn:disabled,
.btn.disabled {
  transform: none;
  box-shadow: none;
  cursor: not-allowed;
}

/* Anel de foco visivel para navegacao por teclado */
:focus-visible {
  outline: 2px solid var(--bs-primary);
  outline-offset: 2px;
  border-radius: var(--kh-radius-xs);
}

.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.menu-link:focus-visible,
.dropdown-item:focus-visible,
a:focus-visible {
  outline: 2px solid var(--bs-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(var(--bs-primary-rgb), 0.16);
}

/* O mouse nao precisa ver o anel */
:focus:not(:focus-visible) {
  outline: none;
}

/* Item de menu ativo fica evidente */
.menu-item.active > .menu-link,
.nav-link.active,
.dropdown-item.active {
  font-weight: 600;
}

/* :not(.menu-toggle) porque o tema desenha a seta do submenu nesse mesmo
   pseudo-elemento. Sem a exclusao, a seta virava uma barra vertical. */
.menu-item.active > .menu-link:not(.menu-toggle)::after {
  content: '';
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0;
  height: 2px;
  border-radius: var(--kh-radius-pill);
  background: currentColor;
  opacity: 0.85;
}

.menu-horizontal .menu-item > .menu-link {
  position: relative;
}

/* ---------------------------------------------------------------------------
 * 5. Rolagem
 * ------------------------------------------------------------------------- */

html {
  scroll-behavior: smooth;
}

/* Ancoras nao ficam escondidas atras da navbar fixa */
[id] {
  scroll-margin-top: 6.5rem;
}

/* Trilhos de rolagem horizontal sem barra visivel */
.kh-scroll-x {
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
}

.kh-scroll-x::-webkit-scrollbar {
  display: none;
}

.kh-scroll-x > * {
  scroll-snap-align: start;
}

/* ---------------------------------------------------------------------------
 * 6. Acessibilidade
 * ------------------------------------------------------------------------- */

.kh-skip-link {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -120%);
  z-index: var(--kh-z-toast);
  padding: 0.625rem 1.25rem;
  border-radius: 0 0 var(--kh-radius-md) var(--kh-radius-md);
  background: var(--bs-primary);
  color: #fff;
  font-family: var(--kh-font-display);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  box-shadow: var(--kh-shadow-md);
  transition: transform var(--kh-dur) var(--kh-ease);
}

.kh-skip-link:focus {
  transform: translate(-50%, 0);
  color: #fff;
}

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

/* ---------------------------------------------------------------------------
 * 7. Chips de navegacao (usados no painel de cursos e na mentoria)
 * ------------------------------------------------------------------------- */

.kh-chipbar {
  position: sticky;
  top: 4.5rem;
  z-index: var(--kh-z-sticky);
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem;
  margin-bottom: 2rem;
  border-radius: var(--kh-radius-pill);
  border: 1px solid var(--kh-hairline);
  background: color-mix(in srgb, var(--bs-body-bg) 82%, transparent);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: var(--kh-shadow-sm), inset 0 1px 0 var(--kh-surface-raise);
}

.kh-chip {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4375rem 0.875rem;
  border-radius: var(--kh-radius-pill);
  border: 1px solid transparent;
  background: transparent;
  color: var(--bs-body-color);
  font-family: var(--kh-font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.006em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--kh-dur) var(--kh-ease),
              color var(--kh-dur) var(--kh-ease),
              border-color var(--kh-dur) var(--kh-ease),
              transform var(--kh-dur-fast) var(--kh-ease);
}

.kh-chip:hover {
  background: rgba(var(--bs-primary-rgb), 0.1);
  border-color: rgba(var(--bs-primary-rgb), 0.22);
  color: var(--bs-primary);
}

.kh-chip:active {
  transform: scale(0.97);
}

.kh-chip.active {
  background: var(--bs-primary);
  border-color: var(--bs-primary);
  color: #fff;
  box-shadow: var(--kh-shadow-sm);
}

.kh-chip-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.25rem;
  border-radius: var(--kh-radius-pill);
  background: rgba(var(--bs-primary-rgb), 0.14);
  color: var(--bs-primary);
  font-size: 0.6875rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  transition: background-color var(--kh-dur) var(--kh-ease), color var(--kh-dur) var(--kh-ease);
}

.kh-chip.active .kh-chip-index {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.kh-chip-label {
  max-width: 15rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kh-chipbar-arrow {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--kh-radius-pill);
  border: 1px solid var(--kh-hairline);
  background: transparent;
  color: var(--bs-body-color);
  transition: background-color var(--kh-dur) var(--kh-ease),
              color var(--kh-dur) var(--kh-ease),
              transform var(--kh-dur-fast) var(--kh-ease);
}

.kh-chipbar-arrow:hover {
  background: rgba(var(--bs-primary-rgb), 0.12);
  color: var(--bs-primary);
}

.kh-chipbar-arrow:active {
  transform: scale(0.92);
}

.kh-chipbar-arrow[hidden] {
  display: none;
}

/* ---------------------------------------------------------------------------
 * 8. Botoes flutuantes de carrossel (vidro de verdade: blur + borda interna)
 * ------------------------------------------------------------------------- */

.kh-glass-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--kh-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(18, 19, 34, 0.42);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  color: #fff;
  box-shadow: var(--kh-shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  cursor: pointer;
  z-index: 5;
  opacity: 0;
  transition: opacity var(--kh-dur) var(--kh-ease),
              background-color var(--kh-dur) var(--kh-ease),
              transform var(--kh-dur-fast) var(--kh-ease);
}

.kh-glass-btn:focus-visible {
  opacity: 1;
}

.kh-carousel:hover .kh-glass-btn,
.kh-carousel:focus-within .kh-glass-btn {
  opacity: 1;
}

.kh-glass-btn:hover {
  background: rgba(18, 19, 34, 0.68);
  transform: translateY(-50%) scale(1.06);
}

.kh-glass-btn:active {
  transform: translateY(-50%) scale(0.94);
}

.kh-glass-btn.prev { left: 0.5rem; }
.kh-glass-btn.next { right: 0.5rem; }

/* Em toque nao existe hover: mantem visivel */
@media (hover: none) {
  .kh-glass-btn { opacity: 1; }
}

/* ---------------------------------------------------------------------------
 * 9. Esqueletos de carregamento
 * ------------------------------------------------------------------------- */

.kh-skeleton {
  position: relative;
  overflow: hidden;
  background: color-mix(in srgb, var(--bs-border-color) 55%, transparent);
  border-radius: var(--kh-radius-sm);
}

.kh-skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, var(--kh-surface-raise), transparent);
  animation: kh-shimmer 1.6s var(--kh-ease) infinite;
}

.dark-style .kh-skeleton::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.07), transparent);
}

.light-style .kh-skeleton::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.85), transparent);
}

@keyframes kh-shimmer {
  100% { transform: translateX(100%); }
}

.kh-skeleton-line {
  height: 0.75rem;
  border-radius: var(--kh-radius-pill);
}

.kh-skeleton-thumb {
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: var(--kh-radius-md);
}

/* ---------------------------------------------------------------------------
 * 10. Estados vazios e de erro
 * ------------------------------------------------------------------------- */

.kh-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  padding: 3.5rem 1.5rem 4rem;
  max-width: 32rem;
  margin-inline: auto;
}

.kh-state-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--kh-radius-lg);
  background: rgba(var(--bs-primary-rgb), 0.1);
  color: var(--bs-primary);
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

.kh-state-icon.is-danger {
  background: rgba(var(--bs-danger-rgb), 0.1);
  color: var(--bs-danger);
}

.kh-state-title {
  font-family: var(--kh-font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.018em;
  color: var(--bs-heading-color);
  margin: 0;
}

.kh-state-text {
  color: var(--bs-secondary-color);
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 40ch;
  margin: 0;
}

/* ---------------------------------------------------------------------------
 * 11. Avisos (toast): substitui window.alert()
 * ------------------------------------------------------------------------- */

.kh-toast-region {
  position: fixed;
  inset-block-start: auto;
  inset-block-end: 1.25rem;
  inset-inline-end: 1.25rem;
  z-index: var(--kh-z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  pointer-events: none;
  max-width: min(24rem, calc(100vw - 2.5rem));
}

.kh-toast {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: var(--kh-radius-md);
  border: 1px solid var(--kh-hairline);
  border-inline-start: 3px solid var(--bs-primary);
  background: var(--bs-card-bg);
  color: var(--bs-body-color);
  box-shadow: var(--kh-shadow-lg);
  pointer-events: auto;
  font-size: 0.875rem;
  line-height: 1.5;
  animation: kh-toast-in var(--kh-dur-slow) var(--kh-ease) both;
}

.kh-toast.is-leaving {
  animation: kh-toast-out var(--kh-dur) var(--kh-ease) both;
}

.kh-toast-icon {
  flex: 0 0 auto;
  font-size: 1.125rem;
  line-height: 1.35;
  color: var(--bs-primary);
}

.kh-toast-body { flex: 1 1 auto; }

.kh-toast-title {
  font-family: var(--kh-font-display);
  font-weight: 600;
  color: var(--bs-heading-color);
  margin: 0 0 0.125rem;
  font-size: 0.875rem;
}

.kh-toast-close {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: var(--bs-secondary-color);
  padding: 0;
  line-height: 1;
  font-size: 1.125rem;
  cursor: pointer;
  transition: color var(--kh-dur) var(--kh-ease);
}

.kh-toast-close:hover { color: var(--bs-body-color); }

.kh-toast.is-danger  { border-inline-start-color: var(--bs-danger); }
.kh-toast.is-danger  .kh-toast-icon { color: var(--bs-danger); }
.kh-toast.is-success { border-inline-start-color: var(--bs-success); }
.kh-toast.is-success .kh-toast-icon { color: var(--bs-success); }
.kh-toast.is-warning { border-inline-start-color: var(--bs-warning); }
.kh-toast.is-warning .kh-toast-icon { color: var(--bs-warning); }

@keyframes kh-toast-in {
  from { opacity: 0; transform: translateY(0.75rem) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes kh-toast-out {
  to { opacity: 0; transform: translateY(0.5rem) scale(0.97); }
}

@media (max-width: 575.98px) {
  .kh-toast-region {
    inset-inline: 1rem;
    inset-block-end: 1rem;
    max-width: none;
  }
}

/* ---------------------------------------------------------------------------
 * 12. Entrada escalonada
 * ------------------------------------------------------------------------- */

.kh-reveal {
  opacity: 0;
  transform: translateY(0.75rem);
}

.kh-reveal.is-visible {
  animation: kh-reveal-in 520ms var(--kh-ease) both;
  animation-delay: var(--kh-reveal-delay, 0ms);
}

@keyframes kh-reveal-in {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------------------------------------------------------------------------
 * 13. Ajustes de formulario
 * ------------------------------------------------------------------------- */

.form-control,
.form-select {
  transition: border-color var(--kh-dur) var(--kh-ease),
              box-shadow var(--kh-dur) var(--kh-ease),
              background-color var(--kh-dur) var(--kh-ease);
}

.form-control::placeholder {
  color: var(--bs-secondary-color);
  opacity: 0.7;
}

/* Mensagem de erro inline no lugar de popup do navegador */
.kh-field-error {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.4375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--bs-danger);
}

.kh-field-error[hidden] { display: none; }

/* ---------------------------------------------------------------------------
 * 14. Alertas
 * ------------------------------------------------------------------------- */

.alert {
  border-radius: var(--kh-radius-md);
  line-height: 1.55;
}

/* Links dentro de alerta herdam a cor do alerta em vez de um azul fixo */
.alert a:not(.btn) {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  transition: opacity var(--kh-dur) var(--kh-ease);
}

.alert a:not(.btn):hover {
  color: inherit;
  opacity: 0.75;
}

/* ---------------------------------------------------------------------------
 * 15. Ritmo vertical
 * ------------------------------------------------------------------------- */

/* Padding otico: a base pede um pouco mais que o topo */
.container-p-y {
  padding-top: 1.5rem !important;
  padding-bottom: 2.25rem !important;
}

@media (min-width: 992px) {
  .container-p-y {
    padding-top: 2rem !important;
    padding-bottom: 3.25rem !important;
  }
}

/* Varias views repetem o container dentro do <main>, que ja o aplica.
   Neutraliza o aninhamento aqui em vez de mexer em cada arquivo. */
#kh-main > .container,
#kh-main > .container-xxl,
#kh-main > .container-fluid {
  padding-inline: 0;
}

#kh-main .container-p-y {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

/* Cabecalho de pagina com respiro */
.kh-page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.kh-page-head h1,
.kh-page-head h2,
.kh-page-head h3,
.kh-page-head h4 {
  margin: 0;
}

.kh-page-eyebrow {
  display: block;
  font-family: var(--bs-font-sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--bs-secondary-color);
  margin-bottom: 0.375rem;
}

/* Botoes alinhados na base quando os cards tem alturas diferentes */
.kh-card-footer-pin {
  margin-top: auto;
  padding-top: 1rem;
}

.kh-equal-rows > [class*='col'] > .card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.kh-equal-rows > [class*='col'] > .card > .card-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
}

/* ---------------------------------------------------------------------------
 * 16. Viewport
 * ------------------------------------------------------------------------- */

.kh-full-screen {
  min-height: 100vh;
  min-height: 100dvh;
}

/* ---------------------------------------------------------------------------
 * 16b. Paginas de erro
 * ------------------------------------------------------------------------- */

/* O tema fixa 100vh, que pula no Safari do iPhone */
.misc-wrapper {
  min-height: 100vh;
  min-height: 100dvh;
}

.kh-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  max-width: 34rem;
  padding-inline: 1.25rem;
}

.kh-error-code {
  font-family: var(--kh-font-display);
  font-size: clamp(3.5rem, 2rem + 8vw, 6.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--bs-primary);
  opacity: 0.22;
  margin: 0 0 -0.25rem;
}

.kh-error-heading {
  font-family: var(--kh-font-display);
  font-size: clamp(1.375rem, 1.1rem + 1.2vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.2;
  color: var(--bs-heading-color);
  margin: 0;
}

.kh-error-text {
  color: var(--bs-secondary-color);
  line-height: 1.65;
  max-width: 42ch;
  margin: 0.25rem 0 0;
}

.kh-error-art {
  width: min(13rem, 60%);
  margin-top: 1.75rem;
}

.kh-error-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.625rem;
  margin-top: 2rem;
}

/* ---------------------------------------------------------------------------
 * 17. Movimento reduzido
 * ------------------------------------------------------------------------- */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .btn:hover,
  a > .card:hover,
  .kh-interactive:hover {
    transform: none;
  }
}

/* ---------------------------------------------------------------------------
 * 18. Mensagem de carregamento
 * O esqueleto sozinho nao comunica nada para quem nao esta acostumado com
 * interface: precisa da palavra "Carregando" junto.
 * ------------------------------------------------------------------------- */

.kh-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  font-family: var(--kh-font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--bs-secondary-color);
}

.kh-loading-spinner {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: 2px solid var(--bs-border-color);
  border-top-color: var(--bs-primary);
  animation: kh-spin 700ms linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .kh-loading-spinner {
    animation-duration: 2s;
  }
}

/* Botao ocupado: some com o hover e trava o cursor */
.attachment-btn[aria-busy='true'],
.btn[aria-busy='true'] {
  pointer-events: none;
  opacity: 0.75;
}