body {
    background: #ffffff;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.upload-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    z-index:11;
    position: relative;
}

.upload-zone {
    border: 4px dashed #007bff;
    border-radius: 20px;
    background: linear-gradient(135deg, #f8f9ff 0%, #e3f2fd 100%);
    padding-block: 30px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.1);
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 123, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.upload-zone:hover::before {
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
        opacity: 0;
    }
}

.upload-zone:hover {
    border-color: #0056b3;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
}

.upload-zone.dragover {
    border-color: #28a745;
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 5rem;
    color: #007bff;
    margin-bottom: 1.5rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

.upload-text {
    color: #333;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.upload-subtext {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.file-input {
    display: none;
}

.upload-btn {
    background: linear-gradient(45deg, #ff6b6b, #ffa500);
    border: none;
    color: white;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.upload-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.6);
    background: linear-gradient(45deg, #ff5252, #ff9800);
}

.file-info {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 1.5rem;
    margin-top: 2rem;
    display: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.file-info.showw {
    display: block;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.file-name {
    font-size: 1.3rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 0.5rem;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.file-size {
    color: #666;
    font-size: 1rem;
}

.remove-file {
    background: #dc3545;
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.remove-file:hover {
    background: #c82333;
    transform: scale(1.05);
}

.submit-file {
    background: linear-gradient(45deg, #28a745, #20c997);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    margin-left: 0.5rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4);
}

.submit-file:hover {
    background: linear-gradient(45deg, #218838, #1ea085);
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.6);
}

.title {
    text-align: center;
    color: #007bff;
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 2rem;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px rgba(0, 123, 255, 0.3);
    }

    to {
        text-shadow: 0 0 20px rgba(0, 123, 255, 0.5);
    }
}

.supported-formats {
    color: #888;
    font-size: 0.9rem;
    margin-top: 1rem;
}

.download-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 20px auto;
    transition: transform 0.2s ease;
}

.download-box:hover {
    transform: translateY(-2px);
}

.file-name {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    word-break: break-word;
}

.btn-download {
    background: #2e7ce2;
    color: white;
    padding: 10px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.3s;
}

.btn-download:hover {
    background: #45a049;
}

/* box select option style  */
.select {
    justify-content: center;
}