body, html {
    height: 100%;
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
    color: #000;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.logo-space {
    margin-bottom: 30px;
    width: 100%;
    text-align: center;
}

.event-logo {
    max-width: 200px;
    height: auto;
}

.event-text {
    color: #000;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    text-align: center;
}

.cube {
    width: 100%;
    max-width: 300px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    overflow: hidden;
    margin-bottom: 20px;
}

.cube-face {
    padding: 20px;
    box-sizing: border-box;
}

.form-group {
    margin-bottom: 20px;
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #000;
    text-align: center;
}

input[type="file"] {
    display: none;
}

.custom-file-upload, .submit-button {
    display: block;
    width: 100%;
    padding: 10px;
    cursor: pointer;
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    border: none;
    border-radius: 25px;
    color: #000;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.button-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.8) 0%,
        rgba(255, 255, 255, 0) 70%
    );
    transform: scale(0);
    transition: transform 0.5s;
}

.custom-file-upload:hover .button-glow,
.submit-button:hover .button-glow {
    transform: scale(1);
}

.button-text {
    position: relative;
    z-index: 1;
}

textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid #ff6b6b;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    resize: none;
    color: #000;
    box-sizing: border-box;
}

.submit-button {
    margin-top: 20px;
    font-size: 18px;
    padding: 15px 30px;
}

.confetti {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

@media (max-width: 600px) {
    .cube {
        width: 100%;
    }

    .custom-file-upload, .submit-button {
        font-size: 16px;
        padding: 12px 20px;
    }

    .event-text {
        font-size: 1.5em;
    }

    textarea {
        font-size: 16px;
    }
}

@media (max-width: 400px) {
    .container {
        padding: 10px;
    }

    .event-text {
        font-size: 1.2em;
    }

    .custom-file-upload, .submit-button {
        font-size: 14px;
        padding: 10px 15px;
    }
}