/* Cyberglide Invoicing - Main Stylesheet */

body { 
    font-family: Arial, sans-serif; 
    margin: 0; 
    display: flex; 
    background: #f4f7f6; 
    min-height: 100vh;
}

/* Sidebar Navigation */
nav { 
    width: 250px; 
    background: #2c3e50; 
    color: white; 
    padding: 20px; 
    flex-shrink: 0;
}

nav h2 { color: white; margin-top: 0; }

nav a { 
    display: block; 
    color: #ecf0f1; 
    text-decoration: none; 
    padding: 10px; 
    margin-bottom: 5px; 
    border-radius: 4px;
}

nav a:hover { background: #34495e; }

/* Main Content Area */
main { 
    flex-grow: 1; 
    padding: 30px; 
}

.card { 
    background: white; 
    padding: 20px; 
    border-radius: 8px; 
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); 
    margin-bottom: 20px; 
}

/* Form Elements */
label { display: block; margin-bottom: 5px; font-weight: bold; }
input, select, textarea { 
    width: 100%; 
    padding: 8px; 
    margin-bottom: 15px; 
    border: 1px solid #ccc; 
    border-radius: 4px;
    box-sizing: border-box; 
}

button { 
    background: #3498db; 
    color: white; 
    padding: 10px 20px; 
    border: none; 
    border-radius: 4px; 
    cursor: pointer; 
    font-weight: bold;
}

button:hover { background: #2980b9; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid #eee; }
th { background-color: #f8f9fa; }