* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
}

.login-container h1 {
    margin-bottom: 30px;
    color: #2c3e50;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

button, .btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    transition: background 0.3s;
}

button:hover, .btn:hover {
    background: #2980b9;
}

.error {
    background: #e74c3c;
    color: white;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.note {
    margin-top: 20px;
    color: #7f8c8d;
    font-size: 14px;
}

.header {
    background: #2c3e50;
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 24px;
}

.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.card h2 {
    margin-bottom: 20px;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

.templates-list, .files-list {
    list-style: none;
}

.templates-list li, .files-list li {
    padding: 10px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.success {
    background: #2ecc71;
    color: white;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 200px;
}

select, input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table th, table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

table th {
    background: #f8f9fa;
    font-weight: 600;
}

.btn-danger {
    background: #e74c3c;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-success {
    background: #27ae60;
}

.btn-success:hover {
    background: #229954;
}