body {
    margin: 0;
    font-family: Arial;
    background: #f1f5f9;
}

/* Layout */
.container {
    display: flex;
}

/* Sidebar */
.sidebar {
    width: 220px;
    background: #0f172a;
    color: white;
    height: 100vh;
    padding: 20px;
    position: fixed;
}

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

.sidebar li {
    padding: 12px;
    cursor: pointer;
    border-radius: 6px;
}

.sidebar li:hover {
    background: #1e293b;
}

.sidebar .active {
    background: #2563eb;
}

.bottom-menu {
    position: absolute;
    bottom: 20px;
    width: 80%;
}

/* Main */
.main {
    margin-left: 240px;
    flex: 1;
    padding: 30px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 10px;
}

.green { color: green; }
.red { color: red; }

/* Images */
.images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 25px;
}

.img-box {
    background: white;
    padding: 15px;
    border-radius: 10px;
}

.img-box img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 10px;
}

/* Activity */
.activity {
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin-top: 25px;
}

.activity p {
    margin: 8px 0;
}