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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Main Content */
main {
    min-height: 100vh;
    width: 100%;
}

/* Alerts */
.alert {
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
    border-left: 4px solid;
}

.alert-success {
    background: #e8f5e9;
    border-color: #4caf50;
    color: #2e7d32;
}

.alert-error {
    background: #ffebee;
    border-color: #f44336;
    color: #c62828;
}

.alert-info {
    background: #e3f2fd;
    border-color: #2196f3;
    color: #1565c0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-primary {
    background: #1976d2;
    color: white;
}

.btn-primary:hover {
    background: #1565c0;
}

.btn-secondary {
    background: #757575;
    color: white;
}

.btn-secondary:hover {
    background: #616161;
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-danger:hover {
    background: #d32f2f;
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
select,
textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #1976d2;
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

label {
    display: block;
    margin: 10px 0 5px 0;
    font-weight: 500;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

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

th {
    background: #f5f5f5;
    font-weight: 600;
}

tr:hover {
    background: #f9f9f9;
}

/* Responsive */
@media (max-width: 768px) {
    /* Responsive styles can be added here as needed */
}