/* ===== SIDEBAR ===== */
.student-sidebar {
    width: 240px;
    min-width: 240px;
    height: 100vh;
    background: linear-gradient(180deg, #0f172a, #1e293b);
    color: #fff;
    padding: 20px;
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* MENU */
.sidebar-menu {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.sidebar-menu li {
    margin: 12px 0;
}

.sidebar-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: #cbd5f5;
    text-decoration: none;
    transition: 0.3s;
}

.sidebar-menu li.active a,
.sidebar-menu a:hover {
    background: #3b82f6;
    color: #fff;
}

/* PROFILE */
.sidebar-profile {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    font-size: 22px;
}