body {
    margin: 0;
    font-family: Arial;
    background: #111;
    color: white;
}

.header {
    background: #1B5E20;
    padding: 20px;
    text-align: center;
    font-size: 22px;
}

.container {
    display: flex;
}

.sidebar {
    width: 220px;
    background: #1c1c1c;
    padding: 20px;
    min-height: 100vh;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar li {
    margin: 15px 0;
    cursor: pointer;
}

.sidebar li.active {
    color: #00C853;
    font-weight: bold;
}

.main {
    flex: 1;
    padding: 30px;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.card {
    background: #1e1e1e;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.alert-card {
    background: #2a1414;
}

#alertList li {
    color: #FF5252;
    font-weight: bold;
    background: rgba(255, 82, 82, 0.1);
    padding: 8px;
    margin-bottom: 8px;
    border-left: 4px solid #FF5252;
}

input[type="number"] {
    padding: 6px;
    border-radius: 5px;
    border: none;
}

button {
    margin-top: 8px;
    margin-right: 10px;
    padding: 8px 12px;
    background: #00C853;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}