/* =============================================================================
   Mel — components.css
   Componentes reutilizáveis. Mobile-first. Todo elemento clicável >= 44px.
   ============================================================================= */

/* ---------------------------------------------------------------------------
   Botões
   --------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--control-height);
  padding: 0 var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

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

.btn--block {
  width: 100%;
}

.btn--sm {
  min-height: var(--touch-target);
  padding: 0 var(--space-4);
  font-size: var(--font-size-sm);
}

.btn--lg {
  min-height: 56px;
  font-size: var(--font-size-md);
}

/* Ícone dentro do botão */
.btn .icon {
  width: 20px;
  height: 20px;
}

/* Variante primária */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background-color: var(--color-primary-dark);
}

/* Variante secundária (contorno) */
.btn--secondary {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--secondary:hover {
  background-color: var(--color-primary-soft);
}

/* Variante ghost (sem fundo) */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
}
.btn--ghost:hover {
  background-color: var(--color-surface-alt);
}

/* Variante perigo */
.btn--danger {
  background-color: var(--color-danger);
  color: var(--color-text-inverse);
}
.btn--danger:hover {
  filter: brightness(0.94);
}

/* Botão-ícone circular (ex.: header, ações rápidas) */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target);
  height: var(--touch-target);
  border-radius: var(--radius-pill);
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}
.btn-icon:hover {
  background-color: var(--color-surface-alt);
}
.btn-icon .icon {
  width: 22px;
  height: 22px;
}

/* Botão de ação flutuante (FAB) */
.fab {
  position: fixed;
  right: var(--space-4);
  bottom: calc(var(--bottomnav-height) + var(--safe-bottom) + var(--space-4));
  z-index: var(--z-header);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}
.fab:hover { background-color: var(--color-primary-dark); }
.fab:active { transform: scale(0.95); }
.fab .icon { width: 26px; height: 26px; }

/* ---------------------------------------------------------------------------
   Card
   --------------------------------------------------------------------------- */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-xs);
}

.card--flush {
  padding: 0;
  overflow: hidden;
}

.card__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Card clicável (lista) */
.card--tappable {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  text-align: left;
  min-height: 64px;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}
.card--tappable:hover { background-color: var(--color-surface-alt); }
.card--tappable:active { transform: scale(0.99); }

/* ---------------------------------------------------------------------------
   Campos de formulário
   --------------------------------------------------------------------------- */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.field__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.field__hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.field__error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  font-weight: var(--font-weight-medium);
}

.input,
.select,
.textarea {
  padding: 0 var(--space-4);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.textarea {
  padding: var(--space-3) var(--space-4);
  line-height: var(--line-height-base);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.input--invalid,
.select--invalid,
.textarea--invalid {
  border-color: var(--color-danger);
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%238C6A4A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}

/* Grupo com prefixo/sufixo (ex.: R$, DDI) */
.input-group {
  display: flex;
  align-items: stretch;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-surface);
}
.input-group:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.input-group__addon {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-3);
  background-color: var(--color-surface-alt);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
}
.input-group .input {
  border: none;
  border-radius: 0;
}
.input-group .input:focus {
  box-shadow: none;
}

/* Switch (toggle) */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--touch-target);
  cursor: pointer;
}
.switch input {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}
.switch__track {
  width: 48px;
  height: 28px;
  border-radius: var(--radius-pill);
  background-color: var(--color-border-strong);
  transition: background-color var(--transition-base);
  flex-shrink: 0;
}
.switch__thumb {
  position: absolute;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-pill);
  background-color: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}
.switch input:checked ~ .switch__track {
  background-color: var(--color-primary);
}
.switch input:checked ~ .switch__thumb {
  transform: translateX(20px);
}

/* ---------------------------------------------------------------------------
   Badge
   --------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  line-height: 1.4;
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
}
.badge--success { background-color: var(--color-success-soft); color: var(--color-success); }
.badge--danger  { background-color: var(--color-danger-soft);  color: var(--color-danger); }
.badge--warning { background-color: var(--color-warning-soft); color: var(--color-warning); }
.badge--info    { background-color: var(--color-info-soft);    color: var(--color-info); }
.badge--muted   { background-color: var(--color-surface-alt);  color: var(--color-text-muted); }

/* ---------------------------------------------------------------------------
   Avatar
   --------------------------------------------------------------------------- */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-black);
  font-size: var(--font-size-base);
  flex-shrink: 0;
  overflow: hidden;
  text-transform: uppercase;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar--sm { width: 36px; height: 36px; font-size: var(--font-size-sm); }
.avatar--lg { width: 64px; height: 64px; font-size: var(--font-size-lg); }

/* ---------------------------------------------------------------------------
   Divider
   --------------------------------------------------------------------------- */
.divider {
  height: 1px;
  border: none;
  background-color: var(--color-border);
  margin: var(--space-4) 0;
}
.divider--label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: var(--space-4) 0;
}
.divider--label::before,
.divider--label::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

/* ---------------------------------------------------------------------------
   App header
   --------------------------------------------------------------------------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: calc(var(--header-height) + var(--safe-top));
  padding: var(--safe-top) var(--space-4) 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.app-header__title {
  flex: 1;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-black);
  color: var(--color-text);
}
.app-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ---------------------------------------------------------------------------
   Bottom navigation
   --------------------------------------------------------------------------- */
.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-bottomnav);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  height: calc(var(--bottomnav-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -2px 12px rgba(45, 31, 14, 0.05);
}
.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  min-height: var(--touch-target);
  padding: var(--space-2) 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  transition: color var(--transition-fast);
}
.bottom-nav__item .icon {
  width: 24px;
  height: 24px;
}
.bottom-nav__item.is-active {
  color: var(--color-primary);
}

/* ---------------------------------------------------------------------------
   Modal / Drawer
   --------------------------------------------------------------------------- */
.overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background-color: var(--color-overlay);
  opacity: 0;
  animation: overlay-in var(--transition-base) forwards;
}
@keyframes overlay-in { to { opacity: 1; } }

/* Drawer que sobe do rodapé (bottom sheet) */
.drawer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  max-height: 92dvh;
  overflow-y: auto;
  background-color: var(--color-surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-3) var(--space-4) calc(var(--space-6) + var(--safe-bottom));
  box-shadow: var(--shadow-lg);
  transform: translateY(100%);
  animation: drawer-in var(--transition-slow) forwards;
}
@keyframes drawer-in { to { transform: translateY(0); } }

.drawer__handle {
  width: 40px;
  height: 4px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-pill);
  background-color: var(--color-border-strong);
}
.drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.drawer__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-black);
}

/* Modal centralizado (confirmações) */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.modal__box {
  width: 100%;
  max-width: 360px;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  animation: modal-in var(--transition-base) forwards;
}
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

/* ---------------------------------------------------------------------------
   Toast
   --------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  left: 50%;
  bottom: calc(var(--bottomnav-height) + var(--safe-bottom) + var(--space-4));
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: min(92vw, var(--content-max-width));
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--color-text);
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-md);
  pointer-events: auto;
  animation: toast-in var(--transition-base) forwards;
}
.toast.is-leaving {
  animation: toast-out var(--transition-base) forwards;
}
.toast .icon { width: 20px; height: 20px; flex-shrink: 0; }
.toast--success { background-color: var(--color-success); }
.toast--error   { background-color: var(--color-danger); }
.toast--warning { background-color: var(--color-warning); color: var(--color-text); }
.toast--info    { background-color: var(--color-info); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(12px); }
}

/* ---------------------------------------------------------------------------
   Skeleton loader
   --------------------------------------------------------------------------- */
.skeleton {
  position: relative;
  overflow: hidden;
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-md);
}
.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.6),
    transparent
  );
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { to { transform: translateX(100%); } }
.skeleton--text  { height: 14px; margin-bottom: var(--space-2); }
.skeleton--title { height: 22px; width: 60%; margin-bottom: var(--space-3); }
.skeleton--card  { height: 72px; margin-bottom: var(--space-3); }
.skeleton--avatar { width: 44px; height: 44px; border-radius: var(--radius-pill); }

/* ---------------------------------------------------------------------------
   Empty state
   --------------------------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-10) var(--space-6);
  color: var(--color-text-muted);
}
.empty-state__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}
.empty-state__icon .icon { width: 34px; height: 34px; }
.empty-state__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}
.empty-state__text {
  font-size: var(--font-size-sm);
  max-width: 32ch;
}

/* ---------------------------------------------------------------------------
   Lista genérica de itens
   --------------------------------------------------------------------------- */
.list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}