body {
            font-family: 'Arial', sans-serif;
            margin: 0;
            padding: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 110vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .falling-symbols {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }
        .symbol {
            position: absolute;
            color: rgba(255, 255, 255, 0.4);
            font-size: 18px;
            animation: fall linear infinite;
            user-select: none;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
            top: -50px;
        }
        @keyframes fall {
            0% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 1; }
            80% { opacity: 0.8; }
            100% { transform: translateY(100vh) translateX(20px) rotate(180deg); opacity: 0; }
        }
        .glass-container {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 40px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2);
            width: 100%;
            max-width: 500px;
            position: relative;
            z-index: 1;
        }
        h1 {
            color: white;
            text-align: center;
            margin-bottom: 30px;
            font-size: 2.5em;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        .form-group {
            margin-bottom: 25px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: white;
            font-size: 1.1em;
            text-shadow: 0 1px 2px rgba(0,0,0,0.3);
        }
        input, textarea {
            width: 100%;
            padding: 15px;
            background: rgba(255, 255, 255, 0.9);
            border: 1px none rgba(255, 255, 255, 0.3);
            border-radius: 15px;
            font-size: 16px;
            box-sizing: border-box;
            transition: all 0.3s ease;
        }
        input:focus, textarea:focus {
            outline: none;
            background: rgba(255, 255, 255, 1);
            border-color: rgba(255, 255, 255, 0.6);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
        }
        textarea {
            height: 120px;
            resize: vertical;
        }
        button {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
            color: #667eea;
            padding: 15px 30px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 25px;
            cursor: pointer;
            font-size: 18px;
            font-weight: bold;
            width: 100%;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        button:hover {
            transform: translateY(-2px);
            background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.9) 100%);
            box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
        }
        button:active {
            transform: translateY(0);
        }
        .message {
            padding: 15px;
            margin: 20px 0;
            border-radius: 10px;
            text-align: center;
            font-weight: bold;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .success { background: rgba(212, 237, 218, 0.9); color: #155724; }
        .error { background: rgba(248, 215, 218, 0.9); color: #721c24; }
        .icon {
            text-align: center;
            font-size: 3em;
            margin-bottom: 10px;
            filter: drop-shadow(0 2px 10px rgba(0,0,0,0.3));
        }
         footer { display: flex; justify-content: center;
  }