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

body {
    font-family: Arial, sans-serif;
    background: #f0f0f0;
    color: #333;
    line-height: 1.6;
}

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

/* Header */
header {
    background: #007bff;
    color: white;
    padding: 20px 0;
    margin-bottom: 30px;
}

header h1 {
    text-align: center;
    font-size: 2em;
}

nav {
    text-align: center;
    margin-top: 15px;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background 0.3s;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Cards */
.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.card h2 {
    margin-bottom: 15px;
    color: #007bff;
}

/* Forms */
form {
    margin: 20px 0;
}

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

input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

button,
.button {
    padding: 10px 20px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    transition: background 0.3s;
}

button:hover,
.button:hover {
    background: #0056b3;
}

button.secondary {
    background: #6c757d;
}

button.secondary:hover {
    background: #5a6268;
}

button.primary {
    background: #6ffc03;
}

button.primary:hover {
    background: #32a844;
}

button.danger {
    background: #dc3545;
}

button.danger:hover {
    background: #c82333;
}

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

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

table th {
    background: #f8f9fa;
    font-weight: bold;
    color: #495057;
}

table tr:hover {
    background: #f8f9fa;
}

.error {
    color: #dc3545;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 10px;
    border-radius: 4px;
    margin: 10px 0;
}

.success {
    color: #155724;
    background: #d4edda;
    border: 1px solid #c3e6cb;
    padding: 10px;
    border-radius: 4px;
    margin: 10px 0;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 300px;
    margin: 100px auto;
}

.login-box h2 {
    margin-bottom: 20px;
    color: #333;
    text-align: center;
}

.chart-container {
    position: relative;
    height: 400px;
    margin: 20px 0;
}

.project-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.project-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.project-card h3 {
    margin-bottom: 10px;
    color: #007bff;
}

.project-card .meta {
    font-size: 0.9em;
    color: #6c757d;
    margin-bottom: 10px;
}

.actions {
    margin-top: 15px;
}

.actions a,
.actions button {
    margin-right: 10px;
    padding: 5px 15px;
    font-size: 14px;
}