* { box-sizing: border-box; }
body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background-color: #f9fafb;
    color: #333;
}
.login-container {
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
}
.login-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}
.login-box h1 {
    color: #006030;
    text-align: center;
    margin-top: 0;
}
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}
.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.btn {
    width: 100%;
    padding: 0.75rem;
    background-color: #006030;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
}
.btn:hover {
    background-color: #004d26;
}
.error {
    color: red;
    text-align: center;
    margin-bottom: 1rem;
}

/* Admin Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
}
.admin-sidebar {
    width: 250px;
    background-color: #006030;
    color: white;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
}
.admin-sidebar h2 {
    margin-top: 0;
    padding-left: 1rem;
}
.admin-nav {
    list-style: none;
    padding: 0;
    flex: 1;
}
.admin-nav li {
    margin-bottom: 0.5rem;
}
.admin-nav a {
    display: block;
    padding: 0.75rem 1rem;
    color: white;
    text-decoration: none;
    border-radius: 6px;
}
.admin-nav a:hover, .admin-nav a.active {
    background-color: white;
    color: #006030;
}
.admin-main {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}
.card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    margin-bottom: 1rem;
}
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th, .table td {
    padding: 0.75rem;
    border-bottom: 1px solid #eee;
    text-align: left;
}