/* ============================================================
   Arraiá da Kamilly — Estilos do Fluxo do Convidado (Mobile-First)
   ============================================================ */

/* ─── Wrapper da Aplicação ───────────────────────────────────── */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  background: var(--sand);
  padding: var(--space-lg) var(--space-md);
}

/* ─── Card Central (Moldura do Convite) ──────────────────────── */
.invite-card {
  width: 100%;
  max-width: 420px;
  background: var(--cream);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 0 6px rgba(74, 34, 15, 0.08);
  overflow: hidden;
  position: relative;
}

/* ─── Telas (Screens) ────────────────────────────────────────── */
.screen {
  display: none;
  flex-direction: column;
  animation: slideUp 0.4s ease forwards;
}

.screen.active {
  display: flex;
}

/* ─── TELA 1: Boas-Vindas ────────────────────────────────────── */
#screen-welcome {
  position: relative;
}

/* Bandeirinhas */
.bandeirinhas-container {
  width: 100%;
  background: var(--brown-dark);
  padding: 0 0 var(--space-md);
  position: relative;
  overflow: visible;
}

.bandeirinhas-svg {
  width: 100%;
  height: 90px;
  animation: bandeirinhas-sway 4s ease-in-out infinite;
}

/* Balão de São João */
.balloon-wrapper {
  display: flex;
  justify-content: center;
  margin-top: -20px;
  position: relative;
  z-index: 2;
}

.balloon-svg {
  width: 64px;
  animation: float 3s ease-in-out infinite;
  filter: drop-shadow(0 8px 16px rgba(200, 75, 34, 0.3));
}

/* Conteúdo do Convite */
.invite-body {
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.invite-title {
  text-align: center;
  line-height: 1;
}

.invite-title .arraia {
  font-family: var(--font-display);
  font-size: 3.2rem;
  color: var(--terracotta);
  display: block;
  line-height: 1;
  text-shadow: 2px 2px 0 rgba(200, 75, 34, 0.2);
}

.invite-title .da-kamilly {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--gold);
  display: block;
  margin-top: -4px;
}

.invite-divider {
  width: 60px;
  height: 3px;
  background: var(--terracotta);
  border-radius: 2px;
}

.invite-tagline {
  font-family: var(--font-sub);
  font-size: 1rem;
  font-weight: 500;
  color: var(--brown-dark);
  text-align: center;
  line-height: 1.5;
  max-width: 280px;
}

/* Grid de Informações (Data e Local) */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  width: 100%;
}

.info-box {
  border: 2px dashed var(--brown-dark);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.info-box-label {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brown-dark);
  opacity: 0.7;
}

.info-box-main {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--terracotta);
  line-height: 1.2;
}

.info-box-sub {
  font-family: var(--font-sub);
  font-size: 0.78rem;
  color: var(--brown-dark);
  opacity: 0.8;
  line-height: 1.3;
}

/* Cena do Rodapé (Fogueira, Cactos, Personagens) */
.scene-footer {
  width: 100%;
  overflow: hidden;
  position: relative;
  height: 130px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.scene-svg {
  width: 100%;
  max-width: 360px;
  height: auto;
}

/* Área do Botão CTA */
.cta-area {
  padding: var(--space-md) var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  background: var(--cream);
}

.cta-button {
  width: 100%;
  font-size: 1.05rem;
  padding: 18px 32px;
  letter-spacing: 0.1em;
}

.cta-footer-text {
  font-family: var(--font-sub);
  font-size: 0.78rem;
  color: var(--brown-dark);
  opacity: 0.65;
  text-align: center;
}

/* ─── TELA 2: Formulário de RSVP ─────────────────────────────── */
#screen-form {
  padding: var(--space-xl) var(--space-xl);
  gap: var(--space-lg);
}

.form-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.form-header h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--terracotta);
}

.form-header p {
  font-family: var(--font-sub);
  font-size: 0.9rem;
  color: var(--brown-dark);
  opacity: 0.75;
}

/* Toggle Sim/Não */
.presence-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  width: 100%;
}

.toggle-btn {
  padding: 16px;
  min-height: 64px;
  border-radius: var(--radius-md);
  border: 3px solid transparent;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.toggle-btn.yes-btn {
  background: var(--green-light);
  color: var(--green);
  border-color: var(--green-light);
}

.toggle-btn.yes-btn.selected,
.toggle-btn.yes-btn:hover {
  background: var(--green);
  color: var(--cream);
  border-color: var(--green);
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #164F2B;
}

.toggle-btn.no-btn {
  background: var(--red-light);
  color: var(--red);
  border-color: var(--red-light);
}

.toggle-btn.no-btn.selected,
.toggle-btn.no-btn:hover {
  background: var(--red);
  color: var(--cream);
  border-color: var(--red);
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #991B1B;
}

.toggle-btn .toggle-emoji {
  font-size: 1.5rem;
}

/* Campos do Formulário */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
}

.form-label {
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--brown-dark);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-label .required {
  color: var(--terracotta);
  font-size: 1rem;
}

textarea.input-field {
  resize: vertical;
  min-height: 90px;
  max-height: 180px;
}

/* Seção de Acompanhantes */
#companions-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

#companions-section.hidden-section {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  margin: 0;
  padding: 0;
}

#companions-section.visible-section {
  max-height: 500px;
  opacity: 1;
}

.companion-item {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  animation: slideUp 0.25s ease forwards;
}

.companion-item .input-field {
  flex: 1;
}

.btn-remove-companion {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-md);
  background: var(--red-light);
  color: var(--red);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-remove-companion:hover {
  background: var(--red);
  color: var(--cream);
}

.btn-add-companion {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 12px 20px;
  min-height: 48px;
  border-radius: var(--radius-md);
  border: 2px dashed var(--brown-dark);
  background: transparent;
  color: var(--brown-dark);
  font-family: var(--font-sub);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  width: 100%;
  justify-content: center;
}

.btn-add-companion:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
  background: rgba(200, 75, 34, 0.05);
}

/* Botão de Submissão */
.btn-submit {
  width: 100%;
  transition: all var(--transition-smooth);
}

.btn-back {
  background: transparent;
  color: var(--brown-dark);
  opacity: 0.65;
  font-family: var(--font-sub);
  font-size: 0.85rem;
  padding: 8px;
  min-height: 44px;
  text-align: center;
  transition: opacity var(--transition-fast);
}

.btn-back:hover {
  opacity: 1;
}

/* ─── TELA 3: Sucesso ────────────────────────────────────────── */
#screen-success {
  padding: var(--space-2xl) var(--space-xl);
  gap: var(--space-lg);
  align-items: center;
  text-align: center;
  position: relative;
}

#confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

.success-icon {
  font-size: 4rem;
  animation: float 3s ease-in-out infinite;
}

.success-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 1rem;
  animation: scaleIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.success-badge.yes {
  background: var(--green-light);
  color: var(--green);
  border: 2px solid var(--green);
}

.success-badge.no {
  background: var(--red-light);
  color: var(--red);
  border: 2px solid var(--red);
}

.success-heading {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--terracotta);
  line-height: 1.2;
}

.success-message {
  font-family: var(--font-sub);
  font-size: 1rem;
  color: var(--brown-dark);
  opacity: 0.8;
  line-height: 1.6;
}

.success-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
}

/* ─── Rodapé da Página Pública ───────────────────────────────── */
.page-footer {
  text-align: center;
  padding: var(--space-lg);
  font-family: var(--font-sub);
  font-size: 0.78rem;
  color: var(--brown-dark);
  opacity: 0.5;
}

/* ─── Loading State ──────────────────────────────────────────── */
.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.8;
}

.btn-loading::after {
  content: '';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: translateY(-50%) rotate(360deg); }
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (min-width: 480px) {
  #app {
    padding: var(--space-xl) var(--space-lg);
  }

  .invite-card {
    box-shadow: var(--shadow-lg), 0 0 0 8px rgba(74, 34, 15, 0.1);
  }
}