/* ===== Sidebar base ===== */

.sidebar {
    width: 240px;
    background-color: #1e293b;
    color: #ffffff;
    padding: 20px;
    min-height: 100vh;
}

.sidebar h2 {
    margin: 0 0 24px 0;
    font-size: 18px;
    font-weight: 600;
}

/* ===== Menu ===== */

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

.sidebar li {
    margin: 6px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.sidebar-divider {
    margin: 12px 0;
    border-top: 1px solid rgba(255,255,255,0.15);
    list-style: none;
}

.sidebar li a {
    display: block;
    padding: 12px 14px;
    color: #e5e7eb;
    text-decoration: none;
    font-size: 14px;
    border-radius: 6px;
}

/* Hover */
.sidebar li:hover {
    background-color: #334155;
}

/* Active item */
.sidebar li.active {
    background-color: #2563eb;
}

.sidebar li.active a {
    color: #ffffff;
    font-weight: 600;
}

.sidebar-overlay {
    display: none;
}

@media (max-width: 1024px) {

    /* ===========================
       SIDEBAR OFF-CANVAS
       =========================== */

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 260px;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 1001;
        box-shadow: 4px 0 12px rgba(0,0,0,0.2);
    }

    /* Sidebar visible */
    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    /* ===========================
       OVERLAY
       =========================== */

    .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s ease;
        z-index: 1000;
    }

    body.sidebar-open .sidebar-overlay {
        opacity: 1;
        pointer-events: auto;
    }

    /* ===========================
       APP LAYOUT FIX
       =========================== */

    .app {
        flex-direction: column;
    }

    .main {
        padding: 16px;
    }
}