.proposal-container {
   position: fixed;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
   display: flex;
   justify-content: center;
   align-items: center;
   font-family: Arial, sans-serif;
}

.proposal-container.rosy {
   background: radial-gradient(circle at top, rgba(255, 183, 197, 0.35), transparent 40%),
               linear-gradient(135deg, #ff9a9e 0%, #f76b1c 100%);
}

.proposal-box {
   background: rgba(255, 255, 255, 0.9);
   padding: 140px;
   border-radius: 15px;
   text-align: center;
   box-shadow: 0 10px 40px rgba(0,0,0,0.3);
   max-width: 90vw;
   box-sizing: border-box;
}

.proposal-box h1 {
   color: #764ba2;
   font-size: 48px;
   margin-bottom: 30px;
}

.button-group {
   display: flex;
   gap: 20px;
   justify-content: center;
   flex-wrap: nowrap;
}

.btn {
   padding: 12px 30px;
   font-size: 18px;
   border: none;
   border-radius: 8px;
   cursor: pointer;
   transition: 0.3s;
   flex-shrink: 0;
}

.yes-btn {
   background: #28a745;
   color: white;
}

.yes-btn:hover {
   background: #218838;
}

.no-btn {
   background: #dc3545;
   color: white;
}

.message {
   margin-top: 20px;
   font-size: 24px;
   color: #28a745;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
   .proposal-box {
      width: min(90vw, 420px);
      padding: 32px 18px;
      margin: 20px;
   }

   .proposal-box h1 {
      font-size: 32px;
      margin-bottom: 20px;
   }

   .button-group {
      flex-direction: column;
      gap: 15px;
      flex-wrap: wrap;
   }

   .btn {
      width: 100%;
      padding: 14px 22px;
      font-size: 16px;
      flex-basis: 100%;
   }

   .message {
      font-size: 18px;
   }
}

@media (max-width: 480px) {
   .proposal-box {
      width: min(95vw, 360px);
      padding: 26px 16px;
   }

   .proposal-box h1 {
      font-size: 26px;
   }

   .btn {
      padding: 12px 18px;
      font-size: 14px;
   }

   .message {
      font-size: 16px;
   }
}