/* -------------- RESET BÁSICO -------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Segoe UI', sans-serif;
  background: #0e0f11;
  color: #eee;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}

/* -------------- BARRA DE CONFIGURAÇÃO -------------- */
.config-bar {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 700px;
  margin-bottom: 20px;
  padding: 15px;
  background: rgba(255,255,255,0.05);
  border: 1px solid #222;
  border-radius: 8px;
}

.config-bar input,
.config-bar select {
  flex: 1;
  padding: 12px;
  font-size: 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid #333;
  color: #eee;
  border-radius: 6px;
}
.config-bar input:focus,
.config-bar select:focus {
  outline: 2px solid #3a9ad9;
}

/* -------------- CONTAINER DO CHAT -------------- */
.chat-container {
  width: 100%;
  max-width: 700px;
  background: rgba(0,0,0,0.6);
  border: 1px solid #222;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-container h1 {
  text-align: center;
  background: #1b1d22;
  padding: 15px;
  font-size: 24px;
  border-bottom: 1px solid #333;
}

/* -------------- MENSAGENS -------------- */
#messages {
  flex: 1;
  overflow-y: auto;
  list-style: none;
  padding: 15px;
  background: #111;
}

#messages li {
  position: relative;
  background: #1e1f24;
  margin-bottom: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #333;
  word-wrap: break-word;
}

#messages li strong {
  color: #3a9ad9;
}

#messages li img {
  display: block;
  max-width: 100%;
  border-radius: 6px;
  margin-top: 8px;
}

/* -------------- TOGGLE ORIGINAL -------------- */
.toggle-original {
  display: inline-block;
  margin-top: 6px;
  background: none;
  border: none;
  color: #3a9ad9;
  cursor: pointer;
  font-size: 13px;
}
.original-text {
  display: none;
  margin-top: 6px;
  font-style: italic;
  color: #bbb;
}

/* -------------- STATUS DE DIGITAÇÃO -------------- */
#typingUsers {
  padding: 5px 15px;
  font-size: 14px;
  color: #aaa;
  min-height: 20px;
}

/* -------------- FORMULÁRIO E DROPZONE -------------- */
#form {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px;
  background: #1b1d22;
  border-top: 1px solid #333;
}

#input {
  flex: 1;
  padding: 12px;
  font-size: 16px;
  border: 1px solid #333;
  background: #111;
  color: #eee;
  border-radius: 6px;
}

#input:focus {
  outline: 2px solid #3a9ad9;
}

/* botão de enviar */
#send {
  padding: 12px 20px;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  background: #3a9ad9;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
}
#send:disabled {
  background: #555;
  cursor: not-allowed;
}
#send:not(:disabled):hover {
  background: #2a7fb5;
}

/* escondemos o input padrão de arquivo */
#imageInput {
  display: none;
}

/* dropzone estilizada dentro do form */
#form.dropzone {
  border: 2px dashed #3a9ad9;
  background: rgba(58,154,217,0.1);
}

#form.dropzone #drop-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #3a9ad9;
  font-size: 14px;
  pointer-events: none;
}

/* -------------- RESPONSIVIDADE -------------- */
@media (max-width: 600px) {
  .config-bar {
    flex-direction: column;
  }
  #form {
    flex-direction: column;
  }
  #send {
    width: 100%;
  }
}