/* General Body */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to right, #6a11cb, #2575fc);
    color: #333;
    margin: 0;
    padding: 0;
}

/* Container for forms and dashboard */
.container {
    max-width: 500px;
    margin: 80px auto;
    padding: 30px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    border-radius: 12px;
}

/* Headings */
h2, h3 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

/* Form inputs */
input[type=text],
input[type=password],
input[type=file] {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

input[type=text]:focus,
input[type=password]:focus,
input[type=file]:focus {
    border-color: #2575fc;
    box-shadow: 0 0 8px rgba(37, 117, 252, 0.3);
    outline: none;
}

/* Buttons */
button {
    width: 100%;
    padding: 12px;
    background-color: #2575fc;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

button:hover {
    background-color: #1a5ed8;
}

/* Error message */
.error-message {
    color: #ff4d4f;
    margin-bottom: 15px;
    text-align: center;
    font-weight: bold;
}

/* File list */
.file-list {
    list-style: none;
    padding: 0;
}

.file-list li {
    padding: 10px 15px;
    margin-bottom: 10px;
    background-color: #f1f1f1;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-list li a {
    text-decoration: none;
    color: #2575fc;
    font-weight: 500;
}

.file-list li a:hover {
    text-decoration: underline;
}

/* Logout link */
.logout-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    padding: 10px 15px;
    background-color: #ff4d4f;
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.logout-link:hover {
    background-color: #d9363e;
}