* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f7f6;
    color: #333;
}

header {
    background-color: #2e7d32;
    color: #fff;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 1.5rem;
}

header a {
    color: #c8e6c9;
    text-decoration: none;
    margin-left: 15px;
    font-weight: bold;
}

header a:hover {
    color: #fff;
    text-decoration: underline;
}

.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.login-container h2 {
    margin-bottom: 20px;
    text-align: center;
    color: #2e7d32;
}

.form-container {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 40px auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #2e7d32;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
    text-align: center;
    transition: background 0.3s;
}

.btn:hover {
    background: #1b5e20;
}

.btn-primary {
    width: 100%;
    margin-top: 10px;
}

.btn-small {
    padding: 5px 10px;
    font-size: 0.9rem;
}

.btn-success {
    background: #0288d1;
}

.btn-success:hover {
    background: #01579b;
}

.error {
    color: #d32f2f;
    background: #ffcdd2;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: center;
}

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

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

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.menu-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.menu-card h2 {
    color: #2e7d32;
    margin-bottom: 15px;
}

.menu-card p {
    color: #666;
    margin-bottom: 25px;
}

.table-container,
.loop-container {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

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

.table th {
    background-color: #f1f8e9;
    color: #333;
}

.table tbody tr:hover {
    background-color: #f5f5f5;
}

.finalizado-row {
    color: #555;
}

.img-estandar {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
}