/* Main Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    text-align: center;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #34495e;
    padding: 0.5rem 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
}

nav a:hover {
    background-color: #2c3e50;
}

.user-controls {
    display: flex;
    align-items: center;
}

.user-controls a {
    margin-left: 1rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}

table th, table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background-color: #34495e;
    color: white;
    font-weight: bold;
}

table tr:hover {
    background-color: #f1f1f1;
}

/* Forms */
.form-container {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    max-width: 800px;
    margin: 20px auto;
}

form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 20px;
}

.form-group {
    margin-bottom: 15px;
}

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

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

textarea.form-control {
    min-height: 100px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-danger {
    background-color: #e74c3c;
}

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

.btn-success {
    background-color: #2ecc71;
}

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

/* Button Icons */
.btn-icon {
    width: 16px;
    height: 16px;
    vertical-align: middle;
}

/* Action buttons */
.action-buttons a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-right: 5px;
    padding: 5px 10px;
    background-color: #3498db;
    color: white;
    border-radius: 3px;
    text-decoration: none;
    font-size: 14px;
}

.action-buttons a:hover {
    background-color: #2980b9;
}

.action-buttons a.delete {
    background-color: #e74c3c;
}

.action-buttons a.delete:hover {
    background-color: #c0392b;
}

.action-buttons a.view {
    background-color: #2ecc71;
}

.action-buttons a.view:hover {
    background-color: #27ae60;
}

.action-buttons a img {
    width: 16px;
    height: 16px;
    margin-right: 5px;
}

/* Login Form */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    background-color: white;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}

.login-container h1 {
    text-align: center;
    margin-bottom: 20px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .btn {
    width: 100%;
}

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

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* Responsive design */
@media screen and (max-width: 768px) {
    form {
        grid-template-columns: 1fr;
    }
    
    table {
        display: block;
        overflow-x: auto;
    }
    
    .action-buttons {
        display: flex;
        flex-direction: column;
    }
    
    .action-buttons a {
        margin-bottom: 5px;
    }
}