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

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

.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.login-container h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: #25D366;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

button {
    width: 100%;
    padding: 0.75rem;
    background-color: #25D366;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #128C7E;
}

.error {
    color: #dc3545;
    margin-top: 1rem;
    text-align: center;
}

.dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

header h1 {
    color: #25D366;
}

.btn-logout {
    background-color: #dc3545;
    width: auto;
    padding: 0.5rem 1rem;
}

.btn-logout:hover {
    background-color: #c82333;
}

.status-container,
.settings-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.status {
    padding: 1rem;
    border-radius: 4px;
    background-color: #f8f9fa;
}

#qr-container {
    margin-top: 1rem;
    text-align: center;
}

#qr-code {
    display: inline-block;
    padding: 1rem;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.settings-group {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

.settings-group:last-child {
    border-bottom: none;
}

.settings-group h3 {
    margin-bottom: 1rem;
    color: #128C7E;
}

.btn-save {
    background-color: #25D366;
    margin-top: 1rem;
}

.btn-save:hover {
    background-color: #128C7E;
}

code {
    background-color: #f8f9fa;
    padding: 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    display: block;
    margin-top: 0.5rem;
    word-break: break-all;
}

@media (max-width: 768px) {
    .dashboard {
        padding: 1rem;
    }
    
    header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-logout {
        width: 100%;
    }
}