:root {
    --bg-overlay: rgba(0, 0, 0, 0.25);
    --bg1: #E8F1FF;
    --bg2: #F7FAFF;
    --primary: #1E6FFF;
    --primary-dark: #1554CC;
    --accent: #66A8FF;
    --text: #1A1A1A;
    --card-bg: #FFFFFF;
    --error: #D93644;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", sans-serif;
    background: linear-gradient(135deg, var(--bg1), var(--bg2));
    min-height: 100vh;
    color: var(--text);
    display: flex;
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    padding: 40px;
    min-height: calc(100vh - 120px);
}

.title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--primary-dark);
}

.subtitle {
    font-size: 16px;
    opacity: 0.7;
    margin-bottom: 25px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .sidebar {
        width: 180px;
    }

    .main {
        padding: 25px;
    }
}

@media (max-width: 560px) {
    body {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        text-align: center;
        padding: 15px 0;
        border-right: none;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .menu li {
        padding: 12px;
    }
}