body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
}
h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 2em;
    font-weight: 300;
}
.form-group {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}
.form-group label {
    display: inline-block;
    width: 120px;
    font-weight: 500;
    color: #555;
}
.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    flex: 1;
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}
.form-group input[type="text"]:focus,
.form-group input[type="date"]:focus,
.form-group input[type="password"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}
.form-group input[type="radio"] {
    margin: 0 5px 0 10px;
}
button {
    padding: 12px 24px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}
button:disabled {
    background: #6c757d;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.result {
    margin-top: 20px;
    padding: 20px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    white-space: pre-wrap;
    background: #f8f9fa;
    font-family: monospace;
    line-height: 1.5;
}
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    backdrop-filter: blur(5px);
}
.modal-content {
    background: white;
    margin: 15% auto;
    padding: 30px;
    width: 90%;
    max-width: 400px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    text-align: center;
}
.modal-content h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.5em;
}
.modal-buttons {
    margin-top: 25px;
    display: flex;
    justify-content: center;
    gap: 10px;
}
.modal-buttons button {
    flex: 1;
    max-width: 120px;
}
#passwordInput {
    width: 100%;
    margin-bottom: 15px;
}
.error {
    color: #dc3545;
    margin-top: 10px;
    font-size: 14px;
}
#fileList {
    margin-top: 20px;
    max-height: 1800px;
    overflow-y: auto;
    border: 1px solid #e1e5e9;
    border-radius: 8px;
    padding: 10px;
}
#fileList a {
    display: block;
    margin: 8px 0;
    color: #007bff;
    text-decoration: none;
    padding: 8px;
    border-radius: 6px;
    transition: background 0.2s;
}
#fileList a:hover {
    background: #f8f9fa;
    text-decoration: none;
}
ul {
    list-style-type: none;
    padding: 0;
}
ul li {
    margin: 15px 0;
}
ul li a {
    color: #007bff;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 8px;
    display: inline-block;
    transition: background 0.2s;
}
ul li a:hover {
    background: #e9ecef;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}
th, td {
    border: 1px solid #dee2e6;
    padding: 12px;
    text-align: left;
}
th {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    font-weight: 500;
}
tr:nth-child(even) {
    background: #f8f9fa;
}
tr:hover {
    background: #e3f2fd;
}
.admin-links {
    margin-top: 30px;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 15px;
}
.admin-links a {
    padding: 12px 24px;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.admin-links a:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(40,167,69,0.3);
}
#statsTable {
    margin-top: 20px;
}