body {
            background-image: url('images/fondopista.jpg');
            background-color: rgba(0, 0, 0, 0.85); 
            background-blend-mode: multiply;
            background-size: cover;
            background-attachment: fixed;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 40px 20px;
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            color: white;
            box-sizing: border-box;
        }

        h2 {
            text-align: center;
            text-transform: uppercase;
            letter-spacing: 4px;
            color: #b9f024;
            text-shadow: 0 0 15px rgba(185, 240, 36, 0.5);
            margin-bottom: 30px;
        }

        .glass-container {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            width: 100%;
            max-width: 550px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.6);
        }

        fieldset {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            padding: 25px 20px;
            margin-bottom: 25px;
            background: rgba(0, 0, 0, 0.2);
        }

        legend {
            color: #b9f024;
            font-weight: bold;
            padding: 0 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.9em;
        }

        .input-group {
            display: flex;
            flex-direction: column;
            margin-bottom: 15px;
        }

        .input-group label {
            font-size: 0.85rem;
            font-weight: bold;
            color: #ccc;
            margin-bottom: 6px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        input[type='text'] {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(0, 0, 0, 0.5);
            color: white;
            font-size: 1rem;
            box-sizing: border-box;
            transition: all 0.3s ease;
        } 
        input[type='date'] {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(0, 0, 0, 0.5);
            color: white;
            font-size: 1rem;
            box-sizing: border-box;
            transition: all 0.3s ease;
        }
        input[type='number'] {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(0, 0, 0, 0.5);
            color: white;
            font-size: 1rem;
            box-sizing: border-box;
            transition: all 0.3s ease;
        }
        select {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(0, 0, 0, 0.5);
            color: white;
            font-size: 1rem;
            box-sizing: border-box;
            transition: all 0.3s ease;
        }

        input:focus {
            outline: none;
            border-color: #b9f024;
            background: rgba(0, 0, 0, 0.7);
            box-shadow: 0 0 10px rgba(185, 240, 36, 0.3);
        }

        .button-group {
            display: flex;
            gap: 15px;
            width: 100%;
            margin-top: 20px;
        }

        input[type="submit"] {
            flex: 2;
            padding: 15px;
            background: linear-gradient(45deg, #b9f024, #8eb81b);
            color: #111;
            border: none;
            border-radius: 8px;
            font-weight: 900;
            text-transform: uppercase;
            cursor: pointer;
            transition: 0.3s;
            letter-spacing: 1px;
        }

        input[type="submit"]:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 20px rgba(185, 240, 36, 0.4);
            filter: brightness(1.1);
        }

        .btn-cancel {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: bold;
            text-transform: uppercase;
            font-size: 0.9rem;
            border: 1px solid rgba(255,255,255,0.2);
            transition: 0.3s;
        }

        .btn-cancel:hover {
            background: rgba(255, 50, 50, 0.3);
            border-color: #ff3232;
            box-shadow: 0 0 15px rgba(255, 50, 50, 0.4);
        }