body {
  font-family: 'Fredoka', 'Poppins', sans-serif;
  background-color: #fff9d6;
  background-image:
    radial-gradient(circle at 18px 18px, #7fbf66 6px, transparent 7px),
    radial-gradient(circle at 54px 36px, #7fbf66 5px, transparent 6px),
    radial-gradient(circle at 90px 12px, #7fbf66 6px, transparent 7px),
    radial-gradient(circle at 30px 78px, #7fbf66 5px, transparent 6px);
  background-size: 120px 120px;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: #fff;
  width: 90%;
  max-width: 420px;
  padding: 25px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 0 15px rgba(255, 150, 200, 0.4);
}

h2 {
  margin-top: 0;
  color: #ff68b3;
  font-weight: 600;
}

.explicacao {
  background:#fff0fb;
  padding:12px;
  border-radius:12px;
  margin-bottom:18px;
  color:#d9489a;
  font-size:14px;
}

.mode-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.mode-buttons button {
  flex: 1;
  padding: 12px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  background: #ffc1dd;
  transition: 0.2s;
  font-size: 15px;
}

.mode-buttons button.active {
  background: #ff7bc9;
  color: white;
  font-weight: bold;
}

.field {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

input {
  flex: 1;
  padding: 12px;
  border-radius: 12px;
  border: 2px solid #ffc1dd;
  background: #fff5fa;
  font-size: 15px;
}

.add {
  background: #a883ff;
  color: white;
  width: 100%;
  display: none;
  margin-top: 10px;
  border: none;
  padding: 12px;
  border-radius: 12px;
  cursor: pointer;
}

.send {
  background: #72d97f;
  color: white;
  width: 100%;
  margin-top: 12px;
  border: none;
  padding: 12px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 15px;
}

.remove {
  background: #ff6b6b;
  color: white;
  padding: 0 12px;
  border-radius: 12px;
  border: none;
}

.msg {
  margin-top: 15px;
  padding: 12px;
  border-radius: 12px;
  display: none;
}

.ok { background: #d8ffd8; color: #2b7f2b; }
.erro { background: #ffd8d8; color: #8b1e1e; }

.popup {
  display:none;
  position:fixed;
  top:50%;
  left:50%;
  transform:translate(-50%, -50%);
  background:white;
  padding:25px;
  border-radius:18px;
  box-shadow:0 0 25px rgba(0,0,0,0.25);
  text-align:center;
  width:80%;
  max-width:300px;
  font-size:16px;
  color:#4b4b4b;
  z-index:999;
}

.popup-btn {
  margin-top:15px;
  padding:10px 20px;
  background:#ff82c6;
  border:none;
  border-radius:12px;
  color:white;
  cursor:pointer;
}