* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", sans-serif;
}

/* LIGHT MODE */
body {
    background: linear-gradient(to right, #eef2ff, #f8fafc);
    color: #111827;
}

.top-bar {
    background: #4f46e5;
    color: white;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard {
    display: flex;
    min-height: calc(100vh - 120px);
}

.menu {
    width: 220px;
    background: #e0e7ff;
    padding: 20px;
}

.menu ul {
    list-style: none;
}

.menu li {
    padding: 10px 0;
    cursor: pointer;
}

.panel {
    flex: 1;
    padding: 25px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.info-box {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.info-box span {
    color: #6b7280;
    font-size: 14px;
}

.info-box h2 {
    margin-top: 10px;
    font-size: 28px;
    color: #4f46e5;
}

.bottom-bar {
    background: #4f46e5;
    color: white;
    text-align: center;
    padding: 12px;
}

button {
    background: #6366f1;
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
}

/* DARK MODE */
body.dark {
    background: #020617;
    color: #e5e7eb;
}

body.dark .top-bar,
body.dark .bottom-bar {
    background: #020617;
}

body.dark .menu {
    background: #1e1b4b;
}

body.dark .info-box {
    background: #111827;
    box-shadow: none;
}

body.dark .info-box h2 {
    color: #a5b4fc;
}

/* Responsive */
@media (max-width: 600px) {
    .dashboard {
        flex-direction: column;
    }

    .menu {
        width: 100%;
    }

    .panel {
        grid-template-columns: 1fr;
    }
}