body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to bottom, #4ea7d1, #1978a5);
    margin: 0;
    padding: 0;
    color: #151515;
}

.container {
    max-width: 600px;
    margin: 100px auto;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

h1 {
    text-align: center;
    color: #1978a5;
    margin-bottom: 30px;
    font-size: 2.5rem;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

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

/* Style the custom button */
label.file-label {
    padding: 18px 40px;
    background-color: #0088cc;
    color: #fff;
    border-radius: 50px;
    cursor: pointer;
    transition: background-color 0.3s;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

label.file-label:hover {
    background-color: #005799;
}

#convertBtn {
    padding: 18px 40px;
    background-color: #28a745;
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: background-color 0.3s;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    margin-top: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#convertBtn:disabled {
    background-color: #adb5bd;
    cursor: not-allowed;
}

#convertBtn:hover {
    background-color: #218838;
}

#downloadLink {
    text-align: center;
    display: none;
    margin-top: 30px;
}

a {
    display: inline-block;
    padding: 16px 40px;
    background-color: #0088cc;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    transition: background-color 0.3s;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

a:hover {
    background-color: #005799;
}
/* Add the loading icon styles */
.loading-container {
    text-align: center;
    margin-bottom: 20px;
}

.loading-icon {
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top: 5px solid #37ff00;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.alert-message p {
    margin: 0;
    font-size: 1.1rem;
}

.progress-bar-container {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    width: 0%;
    height: 10px;
    background-color: #37ff00;
    transition: width 0.3s ease;
}

.progress-text {
    display: block;
    text-align: center;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Add some hover transitions */
.file-label,
#convertBtn,
a {
    transition: background-color 0.3s, transform 0.2s;
}

.file-label:hover,
#convertBtn:hover,
a:hover {
    background-color: #005799;
    transform: scale(1.05);
}
#uploadTime {
    display: none;
    text-align: center;
    padding: 10px;
    background-color: #4CAF50;
    color: #fff;
    border-radius: 5px;
    font-size: 14px;
    font-weight: bold;
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    opacity: 0;
    animation: popUpAnimation 0.3s ease-out forwards;
}

@keyframes popUpAnimation {
    0% {
        bottom: 0;
        opacity: 0;
    }

    100% {
        bottom: 30px;
        opacity: 1;
    }
}