/* General body styling */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    background: #000; /* entire website background black */
    color: #fff; /* default text color white */
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
}

/* Heading styling */
h2 {
    color: #fff;
    margin-bottom: 20px;
}

/* Form styling */
form {
    background: #111; /* dark form background */
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 8px rgba(255,255,255,0.1);
    max-width: 800px;
    width: 100%;
    color: #fff;
}

/* Inputs and textarea */
input[type="file"], textarea, input[type="password"] {
    display: block;
    margin: 10px 0 20px 0;
    width: 100%;
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #444;
    background: #222;
    color: #fff;
}

textarea {
    resize: vertical;
}

/* Submit button */
input[type="submit"] {
    background: #3498db;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

input[type="submit"]:hover {
    background: #2980b9;
}

/* Paragraphs */
p {
    margin-top: 10px;
    font-weight: bold;
    color: #fff;
}

/* Table styling */
.file-list {
    margin-top: 30px;
    overflow-x: auto;
    width: 100%;
    max-width: 1000px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #111;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 8px rgba(255,255,255,0.1);
    color: #fff;
}

th, td {
    padding: 12px 15px;
    text-align: left;
}

th {
    background: #3498db;
    color: #fff;
}

tr:nth-child(even) {
    background: #222;
}

tr:hover {
    background: #333;
}

/* Buttons */
a.download-btn, a.delete-btn {
    padding: 5px 10px;
    border-radius: 5px;
    text-decoration: none;
    color: #fff;
    font-weight: bold;
}

a.download-btn {
    background: #2ecc71;
}

a.download-btn:hover {
    background: #27ae60;
}

a.delete-btn {
    background: #e74c3c;
}

a.delete-btn:hover {
    background: #c0392b;
}

/* Responsive */
@media (max-width: 600px) {
    table, th, td {
        font-size: 14px;
    }
    input[type="submit"] {
        width: 100%;
    }
}

/* Footer link */
.footer {
    text-align: center;
    margin-top: 30px;
}

.footer a {
    color: #3498db;
    text-decoration: none;
}

/* Hide default file input */
input[type="file"] {
    display: none;
}

/* Custom drop area styling */
.custom-file-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed #3498db;
    padding: 40px;
    border-radius: 10px;
    cursor: pointer;
    color: #3498db;
    font-weight: bold;
    text-align: center;
    transition: background 0.3s, color 0.3s;
    margin-bottom: 20px;
}

.custom-file-upload:hover {
    background: #3498db;
    color: #fff;
}

.custom-file-upload p {
    font-weight: normal;
    color: #aaa;
    margin-top: 10px;
    font-size: 14px;
}