/* ==========================================================================
   Orçamento Pronto — Chat CSS
   Mobile-first, moderno e responsivo
   ========================================================================== */

/* Reset e variáveis */
.op-chat-wrapper *,
.op-chat-wrapper *::before,
.op-chat-wrapper *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.op-chat-wrapper {
  --op-primary: #25D366;
  --op-primary-dark: #1da851;
  --op-bg: #ECE5DD;
  --op-bubble-in: #ffffff;
  --op-bubble-out: #DCF8C6;
  --op-text: #303030;
  --op-text-light: #667781;
  --op-radius: 18px;
  --op-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
  --op-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;

  font-family: var(--op-font);
  max-width: 680px;
  margin: 24px auto;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--op-shadow);
  background: var(--op-bg);
  display: flex;
  flex-direction: column;
  height: 600px;
  position: relative;
}

/* --------------------------------------------------------------------------
   Cabeçalho
   -------------------------------------------------------------------------- */
.op-chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background-color: var(--op-primary);
  color: #fff;
  flex-shrink: 0;
  z-index: 10;
}

.op-chat-header-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.op-chat-header-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.op-chat-header-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
}

.op-chat-header-subtitle {
  font-size: 12px;
  opacity: 0.85;
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   Área de mensagens
   -------------------------------------------------------------------------- */
.op-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  scroll-behavior: smooth;
  min-height: 0;
  background: var(--op-bg);
}

/* Scrollbar personalizada */
.op-chat-messages::-webkit-scrollbar {
  width: 5px;
}
.op-chat-messages::-webkit-scrollbar-track {
  background: transparent;
}
.op-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 10px;
}

/* --------------------------------------------------------------------------
   Balões de mensagem
   -------------------------------------------------------------------------- */
.op-message {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: op-fade-in 0.3s ease forwards;
  opacity: 0;
  margin-bottom: 4px;
}

@keyframes op-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mensagem do sistema (esquerda) */
.op-message.op-message-in {
  align-self: flex-start;
  align-items: flex-start;
}

/* Mensagem do usuário (direita) */
.op-message.op-message-out {
  align-self: flex-end;
  align-items: flex-end;
}

.op-message-bubble {
  padding: 10px 14px;
  border-radius: var(--op-radius);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--op-text);
  word-break: break-word;
  position: relative;
}

.op-message-in .op-message-bubble {
  background: var(--op-bubble-in);
  border-top-left-radius: 4px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.op-message-out .op-message-bubble {
  background: var(--op-bubble-out);
  border-top-right-radius: 4px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.op-message-time {
  font-size: 11px;
  color: var(--op-text-light);
  margin-top: 3px;
  padding: 0 4px;
}

/* Indicador de digitação */
.op-typing-indicator .op-message-bubble {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.op-typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #aaa;
  animation: op-typing 1.2s infinite ease-in-out;
}

.op-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.op-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes op-typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* --------------------------------------------------------------------------
   Área de input (FIXO NO RODAPÉ)
   -------------------------------------------------------------------------- */
.op-chat-input-area {
  padding: 12px;
  background: #f0f0f0;
  flex-shrink: 0;
  border-top: 1px solid #ddd;
  z-index: 10;
}

.op-input-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: 24px;
  padding: 6px 6px 6px 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.op-chat-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 15px;
  font-family: var(--op-font);
  color: var(--op-text);
  background: transparent;
  min-width: 0;
  height: 32px;
}

.op-chat-input::placeholder {
  color: #aaa;
}

.op-chat-input.op-shake {
  animation: op-input-shake 0.3s ease-in-out;
}

@keyframes op-input-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.op-chat-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: opacity 0.2s, transform 0.15s;
}

.op-chat-send-btn:hover {
  opacity: 0.9;
  transform: scale(1.05);
}

/* --------------------------------------------------------------------------
   Opções de seleção (produtos) - DENTRO DO CHAT
   -------------------------------------------------------------------------- */
.op-options-area {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 0;
  width: 100%;
  animation: op-fade-in 0.3s ease forwards;
}

.op-products-category {
  margin-bottom: 12px;
  width: 100%;
}

.op-category-title {
  font-size: 11px;
  font-weight: bold;
  text-transform: uppercase;
  color: #888;
  letter-spacing: 0.5px;
  padding: 6px 0 8px 0;
  border-bottom: 1px solid #e0e0e0;
  margin-bottom: 10px;
}

.op-product-btn {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid #e0e0e0;
  background: #fff;
  color: #2d2d2d;
  font-size: 14px;
  font-family: var(--op-font);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
  margin-bottom: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  position: relative;
}

.op-product-btn:hover {
  border-color: var(--op-primary);
  background: #f9f9f9;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.op-product-btn strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
}

.op-product-btn small {
  color: var(--op-primary);
  font-weight: 600;
  font-size: 13px;
}

/* Produto selecionado */
.op-product-btn.op-product-selected {
  border-color: var(--op-primary);
  background: rgba(37, 211, 102, 0.08);
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.15);
}

.op-product-btn.op-product-selected::before {
  content: '✓';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--op-primary);
  font-weight: bold;
  font-size: 18px;
}

/* Botão de confirmação */
.op-confirm-btn {
  padding: 14px 16px;
  border-radius: 12px;
  border: 2px solid var(--op-primary);
  background: #fff;
  color: var(--op-primary);
  font-size: 14px;
  font-family: var(--op-font);
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
  text-align: center;
  margin-top: 12px;
  margin-bottom: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.op-confirm-btn:hover {
  background: var(--op-primary);
  color: #fff;
}

.op-confirm-btn.op-confirm-active {
  background: var(--op-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.op-option-btn {
  padding: 12px 16px;
  border-radius: 12px;
  border: 2px solid var(--op-primary);
  background: #fff;
  color: var(--op-primary);
  font-size: 14px;
  font-family: var(--op-font);
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
  text-align: center;
  margin-top: 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.op-option-btn:hover {
  background: var(--op-primary);
  color: #fff;
}

/* --------------------------------------------------------------------------
   Área de resultado
   -------------------------------------------------------------------------- */
.op-result-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  animation: op-fade-in 0.4s ease forwards;
  opacity: 0;
  background: #fff;
}

.op-result-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
}

.op-result-body {
  flex: 1;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.op-whatsapp-text {
  background: #f7f7f7;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--op-text);
  white-space: pre-wrap;
  word-break: break-word;
}

.op-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.op-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  transition: all 0.2s;
  justify-content: center;
}

.op-btn-whatsapp { background: #25D366; color: #fff; }
.op-btn-primary { color: #fff; }
.op-btn-secondary { background: #f0f0f0; color: var(--op-text); border-color: #ddd; }
.op-btn-outline { background: transparent; color: var(--op-text-light); border-color: #ddd; width: 100%; }

/* --------------------------------------------------------------------------
   Responsividade
   -------------------------------------------------------------------------- */

/* Mobile (até 600px) */
@media (max-width: 600px) {
  .op-chat-wrapper {
    margin: 0;
    border-radius: 0;
    height: 100dvh; /* Altura total dinâmica */
    max-width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }

  .op-chat-messages {
    padding: 12px 10px 20px 10px;
  }

  .op-chat-input-area {
    padding: 10px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom)); /* Suporte para iPhone */
  }

  .op-product-btn {
    padding: 12px 14px;
  }

  .op-product-btn strong {
    font-size: 14px;
  }

  .op-result-actions {
    flex-direction: column;
  }

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

/* Tablet e Desktop */
@media (min-width: 601px) {
  .op-chat-wrapper {
    height: 600px;
    border: 1px solid #ddd;
  }
}