body {
    margin: 0;
    font-family: 'Segoe UI';
    background: #0f172a;
    color: white;
}

.app {
    display: flex;
}

/* SIDEBAR */
.sidebar {
    width: 220px;
    height: 100vh;
    background: #020617;
    padding: 20px;
}

.sidebar h2 {
    color: #22c55e;
}

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

.sidebar li {
    padding: 10px;
    cursor: pointer;
    border-radius: 6px;
}

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

/* MAIN */
main {
    flex: 1;
    padding: 20px;
}

/* HEADER */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header button {
    background: #22c55e;
    border: none;
    padding: 10px 15px;
    color: white;
    cursor: pointer;
    border-radius: 6px;
}

/* STATS */
.stats {
    display: flex;
    gap: 20px;
    margin: 20px 0;
}

.card {
    background: #1e293b;
    padding: 20px;
    border-radius: 10px;
    flex: 1;
}

/* TABLE */
table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 12px;
    border-bottom: 1px solid #334155;
}

button {
    cursor: pointer;
}

/* MODAL */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: #1e293b;
    padding: 20px;
    border-radius: 10px;
}