* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    color: #ffffff;
}

a {
    color: #ffffff;
    text-decoration: none;
}

li {
    padding-left: 0.2vw;
    padding-top: 0.2vh;
}

.buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 35vh;
}

.file-upload-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.file-input-wrapper {
    position: relative;
    display: inline-block;
}

.file-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 2;
}

.file-input-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-width: 160px;
    display: inline-block;
}

.file-input-button:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.file-input-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

.file-input-button:hover:before {
    left: 100%;
}

.file-info {
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

.file-info.has-file {
    background: rgba(76, 175, 80, 0.2);
    border-color: rgba(76, 175, 80, 0.5);
}

.file-placeholder {
    color: rgba(255, 255, 255, 0.7);
    margin-right: 55px;
    font-style: italic;
    min-width: 250px;
}

.file-name {
    font-weight: 600;
    color: #4caf50;
}

.file-size {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin-left: 10px;
}

.upload-button {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    border: none;
    color: white;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-width: 140px;
}

.upload-button:hover:not(:disabled) {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #ff5252 0%, #e53935 100%);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
}

.upload-button:disabled {
    background: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.5);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}


.upload-button .icon {
    margin-right: 8px;
    font-size: 18px;
}

.centeredText {
    padding-top: 2vh;
    text-align: center;
}

.files-section {
    display: flex;
    justify-content: center;
}

.files-container {
    max-width: 600px;
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.files-header {
    text-align: center;
    margin-bottom: 25px;
}

.files-header h2 {
    color: #ffffff;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.last-updated {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin: 0;
}

.files-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    max-height: 350px;
    padding-right: 8px;
    margin-right: -8px;
}

.file-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    transition: all 0.3s ease;
    overflow: hidden;
    flex-shrink: 0;
    margin-top: 2px;
    height: 100px;
}

.file-content {
    display: flex;
    align-items: center;
    height: 100%;
    position: relative;
}

.file-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.file-link {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    padding-right: 8px;
    text-decoration: none;
    color: inherit;
    flex: 1;
    height: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.file-icon {
    font-size: 24px;
    margin-right: 16px;
    min-width: 32px;
    text-align: center;
}

.file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    max-width: calc(100% - 60px);
    overflow: hidden;
}

.file-name {
    color: #ffffff;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.file-details {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    width: 100%;
    overflow: hidden;
}

.file-size {
    font-weight: 500;
}

.file-date {
    margin-left: -7px;
    opacity: 0.8;
}

.copy-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 16px;
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.05);
    color: #ffffff;
}

.copy-button:active {
    transform: scale(0.95);
}

.copy-button.copied {
    background: rgba(76, 175, 80, 0.3);
    border-color: rgba(76, 175, 80, 0.5);
    color: #4caf50;
}

.files-grid::-webkit-scrollbar {
    width: 8px;
}

.files-grid::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.files-grid::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    transition: background 0.3s ease;
}

.files-grid::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.files-grid {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .files-container {
        margin: 0 10px;
        padding: 20px;
        max-height: 400px;
    }
    
    .files-grid {
        max-height: 280px;
    }
    
    .file-card {
        height: 70px;
        min-height: 70px;
    }
    
    .file-link {
        padding: 14px 16px;
        padding-right: 6px;
    }
    
    .file-info {
        max-width: calc(100% - 50px);
    }
    
    .file-icon {
        font-size: 20px;
        margin-right: 12px;
    }
    
    .file-name {
        font-size: 14px;
    }
    
    .file-details {
        font-size: 12px;
    }
    
    .copy-button {
        min-width: 35px;
        height: 35px;
        font-size: 14px;
        margin-right: 12px;
    }
}